- Add support for MDB2's 'sqlsrv' driver (#1486395)

46 files changed, 20799 insertions, 16390 deletions

diff --git a/program/lib/MDB2.php b/program/lib/MDB2.php
index 6615aef2f..a5128c96a 100644
--- a/program/lib/MDB2.php
+++ b/program/lib/MDB2.php
@@ -43,7 +43,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: MDB2.php,v 1.318 2008/03/08 14:18:38 quipo Exp $
+// $Id: MDB2.php 292663 2009-12-26 18:21:46Z quipo $
 //
 
 /**
@@ -101,6 +101,7 @@ define('MDB2_ERROR_MANAGER_PARSE',      -33);
 define('MDB2_ERROR_LOADMODULE',         -34);
 define('MDB2_ERROR_INSUFFICIENT_DATA',  -35);
 define('MDB2_ERROR_NO_PERMISSION',      -36);
+define('MDB2_ERROR_DISCONNECT_FAILED',  -37);
 
 // }}}
 // {{{ Verbose constants
@@ -342,6 +343,11 @@ class MDB2
                 $err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null, $msg);
                 return $err;
             }
+            if (!MDB2::classExists($class_name)) {
+                $msg = "unable to load class '$class_name' from file '$file_name'";
+                $err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null, $msg);
+                return $err;
+            }
         }
         return MDB2_OK;
     }
@@ -403,7 +409,7 @@ class MDB2
     // {{{ function &connect($dsn, $options = false)
 
     /**
-     * Create a new MDB2 connection object and connect to the specified
+     * Create a new MDB2_Driver_* connection object and connect to the specified
      * database
      *
      * IMPORTANT: In order for MDB2 to work properly it is necessary that
@@ -417,15 +423,15 @@ class MDB2
      *     $db = MDB2::connect($dsn);
      *          ^^
      *
-     * @param   mixed   'data source name', see the MDB2::parseDSN
-     *                            method for a description of the dsn format.
-     *                            Can also be specified as an array of the
-     *                            format returned by MDB2::parseDSN.
-     * @param   array   An associative array of option names and
-     *                            their values.
+     * @param mixed $dsn     'data source name', see the MDB2::parseDSN
+     *                       method for a description of the dsn format.
+     *                       Can also be specified as an array of the
+     *                       format returned by MDB2::parseDSN.
+     * @param array $options An associative array of option names and
+     *                       their values.
      *
-     * @return  mixed   a newly created MDB2 connection object, or a MDB2
-     *                  error object on error
+     * @return mixed a newly created MDB2 connection object, or a MDB2
+     *               error object on error
      *
      * @access  public
      * @see     MDB2::parseDSN
@@ -566,7 +572,7 @@ class MDB2
      */
     function apiVersion()
     {
-        return '2.5.0b1';
+        return '@package_version@';
     }
 
     // }}}
@@ -627,7 +633,7 @@ class MDB2
     function isError($data, $code = null)
     {
         if (is_a($data, 'MDB2_Error')) {
-            if (is_null($code)) {
+            if (null === $code) {
                 return true;
             } elseif (is_string($code)) {
                 return $data->getMessage() === $code;
@@ -767,10 +773,11 @@ class MDB2
                 MDB2_ERROR_TRUNCATED          => 'truncated',
                 MDB2_ERROR_DEADLOCK           => 'deadlock detected',
                 MDB2_ERROR_NO_PERMISSION      => 'no permission',
+                MDB2_ERROR_DISCONNECT_FAILED  => 'disconnect failed',
             );
         }
 
-        if (is_null($value)) {
+        if (null === $value) {
             return $errorMessages;
         }
 
@@ -824,7 +831,7 @@ class MDB2
      */
     function parseDSN($dsn)
     {
-        $parsed = array();
+        $parsed = $GLOBALS['_MDB2_dsninfo_default'];
 
         if (is_array($dsn)) {
             $dsn = array_merge($parsed, $dsn);
@@ -843,7 +850,6 @@ class MDB2
             $dsn = null;
         }
 
-  
         // Get phptype and dbsyntax
         // $str => phptype(dbsyntax)
         if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {
@@ -855,7 +861,7 @@ class MDB2
         }
 
         if (!count($dsn)) {
-            return array_merge($GLOBALS['_MDB2_dsninfo_default'], $parsed);
+            return $parsed;
         }
 
         // Get (if found): username and password
@@ -892,7 +898,9 @@ class MDB2
                 //"username/password@[//]host[:port][/service_name]"
                 //e.g. "scott/tiger@//mymachine:1521/oracle"
                 $proto_opts = $dsn;
-                $dsn = substr($proto_opts, strrpos($proto_opts, '/') + 1);
+                $pos = strrpos($proto_opts, '/');
+                $dsn = substr($proto_opts, $pos + 1);
+                $proto_opts = substr($proto_opts, 0, $pos);
             } elseif (strpos($dsn, '/') !== false) {
                 list($proto_opts, $dsn) = explode('/', $dsn, 2);
             } else {
@@ -930,7 +938,7 @@ class MDB2
                 }
                 foreach ($opts as $opt) {
                     list($key, $value) = explode('=', $opt);
-                    if (!isset($parsed[$key])) {
+                    if (!array_key_exists($key, $parsed) || false === $parsed[$key]) {
                         // don't allow params overwrite
                         $parsed[$key] = rawurldecode($value);
                     }
@@ -938,7 +946,7 @@ class MDB2
             }
         }
 
-	return array_merge($GLOBALS['_MDB2_dsninfo_default'], $parsed);
+        return $parsed;
     }
 
     // }}}
@@ -1001,7 +1009,7 @@ class MDB2_Error extends PEAR_Error
     function MDB2_Error($code = MDB2_ERROR, $mode = PEAR_ERROR_RETURN,
               $level = E_USER_NOTICE, $debuginfo = null, $dummy = null)
     {
-        if (is_null($code)) {
+        if (null === $code) {
             $code = MDB2_ERROR;
         }
         $this->PEAR_Error('MDB2 Error: '.MDB2::errorMessage($code), $code,
@@ -1146,8 +1154,11 @@ class MDB2_Driver_Common extends PEAR
      *  <li>$options['emulate_prepared'] -> boolean: force prepared statements to be emulated</li>
      *  <li>$options['datatype_map'] -> array: map user defined datatypes to other primitive datatypes</li>
      *  <li>$options['datatype_map_callback'] -> array: callback function/method that should be called</li>
-     *  <li>$options['bindname_format'] -> string: regular expression pattern for named parameters
+     *  <li>$options['bindname_format'] -> string: regular expression pattern for named parameters</li>
+     *  <li>$options['multi_query'] -> boolean: determines if queries returning multiple result sets should be executed</li>
      *  <li>$options['max_identifiers_length'] -> integer: max identifier length</li>
+     *  <li>$options['default_fk_action_onupdate'] -> string: default FOREIGN KEY ON UPDATE action ['RESTRICT'|'NO ACTION'|'SET DEFAULT'|'SET NULL'|'CASCADE']</li>
+     *  <li>$options['default_fk_action_ondelete'] -> string: default FOREIGN KEY ON DELETE action ['RESTRICT'|'NO ACTION'|'SET DEFAULT'|'SET NULL'|'CASCADE']</li>
      * </ul>
      *
      * @var     array
@@ -1197,6 +1208,8 @@ class MDB2_Driver_Common extends PEAR
         'lob_allow_url_include' => false,
         'bindname_format' => '(?:\d+)|(?:[a-zA-Z][a-zA-Z0-9_]*)',
         'max_identifiers_length' => 30,
+        'default_fk_action_onupdate' => 'RESTRICT',
+        'default_fk_action_ondelete' => 'RESTRICT',
     );
 
     /**
@@ -1427,36 +1440,44 @@ class MDB2_Driver_Common extends PEAR
      * callbacks etc.  Basically a wrapper for PEAR::raiseError
      * without the message string.
      *
-     * @param   mixed   integer error code, or a PEAR error object (all other
-     *                  parameters are ignored if this parameter is an object
-     * @param   int     error mode, see PEAR_Error docs
-     * @param   mixed   If error mode is PEAR_ERROR_TRIGGER, this is the
-         *              error level (E_USER_NOTICE etc).  If error mode is
-     *                  PEAR_ERROR_CALLBACK, this is the callback function,
-     *                  either as a function name, or as an array of an
-     *                  object and method name.  For other error modes this
-     *                  parameter is ignored.
-     * @param   string  Extra debug information.  Defaults to the last
-     *                  query and native error code.
-     * @param   string  name of the method that triggered the error
-     *
-     * @return PEAR_Error   instance of a PEAR Error object
+     * @param mixed  $code     integer error code, or a PEAR error object (all 
+     *                         other parameters are ignored if this parameter is
+     *                         an object
+     * @param int    $mode     error mode, see PEAR_Error docs
+     * @param mixed  $options  If error mode is PEAR_ERROR_TRIGGER, this is the
+     *                         error level (E_USER_NOTICE etc). If error mode is
+     *                         PEAR_ERROR_CALLBACK, this is the callback function,
+     *                         either as a function name, or as an array of an
+     *                         object and method name. For other error modes this
+     *                         parameter is ignored.
+     * @param string $userinfo Extra debug information. Defaults to the last
+     *                         query and native error code.
+     * @param string $method   name of the method that triggered the error
+     * @param string $dummy1   not used
+     * @param bool   $dummy2   not used
      *
-     * @access  public
-     * @see     PEAR_Error
+     * @return PEAR_Error instance of a PEAR Error object
+     * @access public
+     * @see    PEAR_Error
      */
-    function &raiseError($code = null, $mode = null, $options = null, $userinfo = null, $method = null)
-    {
+    function &raiseError($code = null,
+                         $mode = null,
+                         $options = null,
+                         $userinfo = null,
+                         $method = null,
+                         $dummy1 = null,
+                         $dummy2 = false
+    ) {
         $userinfo = "[Error message: $userinfo]\n";
         // The error is yet a MDB2 error object
         if (PEAR::isError($code)) {
             // because we use the static PEAR::raiseError, our global
             // handler should be used if it is set
-            if (is_null($mode) && !empty($this->_default_error_mode)) {
+            if ((null === $mode) && !empty($this->_default_error_mode)) {
                 $mode    = $this->_default_error_mode;
                 $options = $this->_default_error_options;
             }
-            if (is_null($userinfo)) {
+            if (null === $userinfo) {
                 $userinfo = $code->getUserinfo();
             }
             $code = $code->getCode();
@@ -1469,13 +1490,13 @@ class MDB2_Driver_Common extends PEAR
             }
             $native_errno = $native_msg = null;
             list($code, $native_errno, $native_msg) = $this->errorInfo($code);
-            if (!is_null($native_errno) && $native_errno !== '') {
+            if ((null !== $native_errno) && $native_errno !== '') {
                 $userinfo.= "[Native code: $native_errno]\n";
             }
-            if (!is_null($native_msg) && $native_msg !== '') {
+            if ((null !== $native_msg) && $native_msg !== '') {
                 $userinfo.= "[Native message: ". strip_tags($native_msg) ."]\n";
             }
-            if (!is_null($method)) {
+            if (null !== $method) {
                 $userinfo = $method.': '.$userinfo;
             }
         }
@@ -1926,7 +1947,7 @@ class MDB2_Driver_Common extends PEAR
                 return $err;
             }
             $this->{$property} = new $class_name($this->db_index);
-            $this->modules[$module] = $this->{$property};
+            $this->modules[$module] =& $this->{$property};
             if ($version) {
                 // this will be used in the connect method to determine if the module
                 // needs to be loaded with a different version if the server
@@ -1973,7 +1994,7 @@ class MDB2_Driver_Common extends PEAR
                 }
             }
         }
-        if (!is_null($module)) {
+        if (null !== $module) {
             return call_user_func_array(array(&$this->modules[$module], $method), $params);
         }
         trigger_error(sprintf('Call to undefined function: %s::%s().', get_class($this), $method), E_USER_ERROR);
@@ -2183,7 +2204,7 @@ class MDB2_Driver_Common extends PEAR
      */
     function failNestedTransaction($error = null, $immediately = false)
     {
-        if (is_null($error)) {
+        if (null !== $error) {
             $error = $this->has_transaction_error ? $this->has_transaction_error : true;
         } elseif (!$error) {
             $error = true;
@@ -2265,11 +2286,10 @@ class MDB2_Driver_Common extends PEAR
     /**
      * Log out and disconnect from the database.
      *
-     * @param   bool    if the disconnect should be forced even if the
-     *                  connection is opened persistently
+     * @param boolean $force whether the disconnect should be forced even if the
+     *                       connection is opened persistently
      *
-     * @return  mixed   true on success, false if not connected and error
-     *                  object on error
+     * @return mixed true on success, false if not connected and error object on error
      *
      * @access  public
      */
@@ -2385,6 +2405,26 @@ class MDB2_Driver_Common extends PEAR
     }
 
     // }}}
+    // {{{ _isNewLinkSet()
+
+    /**
+     * Check if the 'new_link' option is set
+     *
+     * @return boolean
+     *
+     * @access protected
+     */
+    function _isNewLinkSet()
+    {
+        return (isset($this->dsn['new_link'])
+            && ($this->dsn['new_link'] === true
+             || (is_string($this->dsn['new_link']) && preg_match('/^true$/i', $this->dsn['new_link']))
+             || (is_numeric($this->dsn['new_link']) && 0 != (int)$this->dsn['new_link'])
+            )
+        );
+    }
+
+    // }}}
     // {{{ function &standaloneQuery($query, $types = null, $is_manip = false)
 
    /**
@@ -2563,7 +2603,7 @@ class MDB2_Driver_Common extends PEAR
     }
 
     // }}}
-    // {{{ function &_wrapResult($result, $types = array(), $result_class = true, $result_wrap_class = false, $limit = null, $offset = null)
+    // {{{ function &_wrapResult($result_resource, $types = array(), $result_class = true, $result_wrap_class = false, $limit = null, $offset = null)
 
     /**
      * wrap a result set into the correct class
@@ -2634,7 +2674,7 @@ class MDB2_Driver_Common extends PEAR
                     'result wrap class does not exist '.$result_wrap_class, __FUNCTION__);
                 return $err;
             }
-            $result = new $result_wrap_class($result, $this->fetchmode);
+            $result = new $result_wrap_class($result_resource, $this->fetchmode);
         }
         return $result;
     }
@@ -2682,7 +2722,7 @@ class MDB2_Driver_Common extends PEAR
                 'it was not specified a valid selected range row limit', __FUNCTION__);
         }
         $this->limit = $limit;
-        if (!is_null($offset)) {
+        if (null !== $offset) {
             $offset = (int)$offset;
             if ($offset < 0) {
                 return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
@@ -2739,8 +2779,7 @@ class MDB2_Driver_Common extends PEAR
     /**
      * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
      * query, except that if there is already a row in the table with the same
-     * key field values, the REPLACE query just updates its values instead of
-     * inserting a new row.
+     * key field values, the old row is deleted before the new row is inserted.
      *
      * The REPLACE type of query does not make part of the SQL standards. Since
      * practically only MySQL and SQLite implement it natively, this type of
@@ -2912,11 +2951,10 @@ class MDB2_Driver_Common extends PEAR
             $query = $result;
         }
         $placeholder_type_guess = $placeholder_type = null;
-        $question = '?';
-        $colon = ':';
+        $question  = '?';
+        $colon     = ':';
         $positions = array();
-        $position = 0;
-	
+        $position  = 0;
         while ($position < strlen($query)) {
             $q_position = strpos($query, $question, $position);
             $c_position = strpos($query, $colon, $position);
@@ -2929,7 +2967,7 @@ class MDB2_Driver_Common extends PEAR
             } else {
                 break;
             }
-            if (is_null($placeholder_type)) {
+            if (null === $placeholder_type) {
                 $placeholder_type_guess = $query[$p_position];
             }
 
@@ -2943,7 +2981,7 @@ class MDB2_Driver_Common extends PEAR
             }
 
             if ($query[$position] == $placeholder_type_guess) {
-                if (is_null($placeholder_type)) {
+                if (null === $placeholder_type) {
                     $placeholder_type = $query[$p_position];
                     $question = $colon = $placeholder_type;
                     if (!empty($types) && is_array($types)) {
@@ -3007,8 +3045,8 @@ class MDB2_Driver_Common extends PEAR
      */
     function _skipDelimitedStrings($query, $position, $p_position)
     {
-	$ignores[] = $this->string_quoting;
-	$ignores[] = $this->identifier_quoting;
	
+        $ignores = $this->string_quoting;
+        $ignores[] = $this->identifier_quoting;
         $ignores = array_merge($ignores, $this->sql_comments);
         
         foreach ($ignores as $ignore) {
@@ -3026,10 +3064,12 @@ class MDB2_Driver_Common extends PEAR
                             }
                         }
                     } while ($ignore['escape']
-			    && $end_quote-1 != $start_quote
-			    && $query[($end_quote - 1)] == $ignore['escape']
-			    && ($ignore['escape_pattern'] !== $ignore['escape']
-				    || $query[($end_quote - 2)] != $ignore['escape']));
+                        && $end_quote-1 != $start_quote
+                        && $query[($end_quote - 1)] == $ignore['escape']
+                        && (   $ignore['escape_pattern'] !== $ignore['escape']
+                            || $query[($end_quote - 2)] != $ignore['escape'])
+                    );
+
                     $position = $end_quote + 1;
                     return $position;
                 }
@@ -3169,7 +3209,7 @@ class MDB2_Driver_Common extends PEAR
     function getIndexName($idx)
     {
         return sprintf($this->options['idxname_format'],
-            preg_replace('/[^a-z0-9_\$]/i', '_', $idx));
+            preg_replace('/[^a-z0-9_\-\$.]/i', '_', $idx));
     }
 
     // }}}
@@ -3238,12 +3278,12 @@ class MDB2_Driver_Common extends PEAR
      * the first row of the result set and then frees
      * the result set.
      *
-     * @param   string  the SELECT query statement to be executed.
-     * @param   string  optional argument that specifies the expected
-     *       datatype of the result set field, so that an eventual conversion
-     *       may be performed. The default datatype is text, meaning that no
-     *       conversion is performed
-     * @param   int     the column number to fetch
+     * @param string $query  the SELECT query statement to be executed.
+     * @param string $type   optional argument that specifies the expected
+     *                       datatype of the result set field, so that an eventual
+     *                       conversion may be performed. The default datatype is
+     *                       text, meaning that no conversion is performed
+     * @param mixed  $colnum the column number (or name) to fetch
      *
      * @return  mixed   MDB2_OK or field value on success, a MDB2 error on failure
      *
@@ -3299,15 +3339,14 @@ class MDB2_Driver_Common extends PEAR
      * Execute the specified query, fetch the value from the first column of
      * each row of the result set into an array and then frees the result set.
      *
-     * @param   string  the SELECT query statement to be executed.
-     * @param   string  optional argument that specifies the expected
-     *       datatype of the result set field, so that an eventual conversion
-     *       may be performed. The default datatype is text, meaning that no
-     *       conversion is performed
-     * @param   int     the row number to fetch
+     * @param string $query  the SELECT query statement to be executed.
+     * @param string $type   optional argument that specifies the expected
+     *                       datatype of the result set field, so that an eventual
+     *                       conversion may be performed. The default datatype is text,
+     *                       meaning that no conversion is performed
+     * @param mixed  $colnum the column number (or name) to fetch
      *
      * @return  mixed   MDB2_OK or data array on success, a MDB2 error on failure
-     *
      * @access  public
      */
     function queryCol($query, $type = null, $colnum = 0)
@@ -3517,11 +3556,10 @@ class MDB2_Result_Common extends MDB2_Result
     /**
      * fetch single column from the next row from a result set
      *
-     * @param   int     the column number to fetch
-     * @param   int     number of the row where the data can be found
-     *
-     * @return  string  data on success, a MDB2 error on failure
+     * @param int|string the column number (or name) to fetch
+     * @param int        number of the row where the data can be found
      *
+     * @return string data on success, a MDB2 error on failure
      * @access  public
      */
     function fetchOne($colnum = 0, $rownum = null)
@@ -3544,10 +3582,9 @@ class MDB2_Result_Common extends MDB2_Result
     /**
      * Fetch and return a column from the current row pointer position
      *
-     * @param   int     the column number to fetch
-     *
-     * @return  mixed   data array on success, a MDB2 error on failure
+     * @param int|string the column number (or name) to fetch
      *
+     * @return  mixed data array on success, a MDB2 error on failure
      * @access  public
      */
     function fetchCol($colnum = 0)
@@ -3608,7 +3645,7 @@ class MDB2_Result_Common extends MDB2_Result
         }
 
         $shift_array = $rekey ? false : null;
-        if (!is_null($shift_array)) {
+        if (null !== $shift_array) {
             if (is_object($row)) {
                 $colnum = count(get_object_vars($row));
             } else {
@@ -3814,7 +3851,7 @@ class MDB2_Result_Common extends MDB2_Result
             $column = $column_names[$column];
         }
         $this->values[$column] =& $value;
-        if (!is_null($type)) {
+        if (null !== $type) {
             $this->types[$column] = $type;
         }
         return MDB2_OK;
@@ -3984,7 +4021,7 @@ class MDB2_Statement_Common
                 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
         }
         $this->values[$parameter] = $value;
-        if (!is_null($type)) {
+        if (null !== $type) {
             $this->types[$parameter] = $type;
         }
         return MDB2_OK;
@@ -4053,7 +4090,7 @@ class MDB2_Statement_Common
                 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
         }
         $this->values[$parameter] =& $value;
-        if (!is_null($type)) {
+        if (null !== $type) {
             $this->types[$parameter] = $type;
         }
         return MDB2_OK;
@@ -4094,19 +4131,19 @@ class MDB2_Statement_Common
     /**
      * Execute a prepared query statement.
      *
-     * @param   array   specifies all necessary information
-     *       for bindParam() the array elements must use keys corresponding to
-     *       the number of the position of the parameter.
-     * @param   mixed   specifies which result class to use
-     * @param   mixed   specifies which class to wrap results in
-     *
-     * @return  mixed   a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @param array specifies all necessary information
+     *              for bindParam() the array elements must use keys corresponding
+     *              to the number of the position of the parameter.
+     * @param mixed specifies which result class to use
+     * @param mixed specifies which class to wrap results in
      *
-     * @access  public
+     * @return mixed MDB2_Result or integer (affected rows) on success,
+     *               a MDB2 error on failure
+     * @access public
      */
     function &execute($values = null, $result_class = true, $result_wrap_class = false)
     {
-        if (is_null($this->positions)) {
+        if (null === $this->positions) {
             return $this->db->raiseError(MDB2_ERROR, null, null,
                 'Prepared statement has already been freed', __FUNCTION__);
         }
@@ -4132,8 +4169,8 @@ class MDB2_Statement_Common
      * @param   mixed   specifies which result class to use
      * @param   mixed   specifies which class to wrap results in
      *
-     * @return  mixed   MDB2_Result or integer on success, a MDB2 error on failure
-     *
+     * @return mixed MDB2_Result or integer (affected rows) on success,
+     *               a MDB2 error on failure
      * @access  private
      */
     function &_execute($result_class = true, $result_wrap_class = false)
@@ -4184,7 +4221,7 @@ class MDB2_Statement_Common
      */
     function free()
     {
-        if (is_null($this->positions)) {
+        if (null === $this->positions) {
             return $this->db->raiseError(MDB2_ERROR, null, null,
                 'Prepared statement has already been freed', __FUNCTION__);
         }
@@ -4325,4 +4362,4 @@ function MDB2_defaultDebugOutput(&$db, $scope, $message, $context = array())
 }
 
 // }}}
-?>
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Date.php b/program/lib/MDB2/Date.php
index ce846543a..6ec60b8bb 100644
--- a/program/lib/MDB2/Date.php
+++ b/program/lib/MDB2/Date.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: Date.php,v 1.10 2006/03/01 12:15:32 lsmith Exp $
+// $Id: Date.php 208329 2006-03-01 12:15:38Z lsmith $
 //
 
 /**
diff --git a/program/lib/MDB2/Driver/Datatype/Common.php b/program/lib/MDB2/Driver/Datatype/Common.php
index 2134e64db..2a815cbef 100644
--- a/program/lib/MDB2/Driver/Datatype/Common.php
+++ b/program/lib/MDB2/Driver/Datatype/Common.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: Common.php,v 1.137 2008/02/17 18:53:40 afz Exp $
+// $Id: Common.php 292715 2009-12-28 14:06:34Z quipo $
 
 require_once 'MDB2/LOB.php';
 
@@ -232,7 +232,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
      */
     function convertResult($value, $type, $rtrim = true)
     {
-        if (is_null($value)) {
+        if (null === $value) {
             return null;
         }
         $db =& $this->getDBInstance();
@@ -313,7 +313,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
         if (count($types)) {
             reset($types);
             foreach (array_keys($sorted_types) as $k) {
-                if (is_null($sorted_types[$k])) {
+                if (null === $sorted_types[$k]) {
                     $sorted_types[$k] = current($types);
                     next($types);
                 }
@@ -511,7 +511,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
                     $field['default'] = ' ';
                 }
             }
-            if (!is_null($field['default'])) {
+            if (null !== $field['default']) {
                 $default = ' DEFAULT ' . $this->quote($field['default'], $field['type']);
             }
         }
@@ -1119,7 +1119,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
             return $db;
         }
 
-        if (is_null($value)
+        if ((null === $value)
             || ($value === '' && $db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
         ) {
             if (!$quote) {
@@ -1128,7 +1128,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
             return 'NULL';
         }
 
-        if (is_null($type)) {
+        if (null === $type) {
             switch (gettype($value)) {
             case 'integer':
                 $type = 'integer';
@@ -1288,9 +1288,15 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
      */
     function _quoteLOB($value, $quote, $escape_wildcards)
     {
-        $value = $this->_readFile($value);
-        if (PEAR::isError($value)) {
-            return $value;
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        if ($db->options['lob_allow_url_include']) {
+            $value = $this->_readFile($value);
+            if (PEAR::isError($value)) {
+                return $value;
+            }
         }
         return $this->_quoteText($value, $quote, $escape_wildcards);
     }
@@ -1554,7 +1560,7 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
      */
     function _retrieveLOB(&$lob)
     {
-        if (is_null($lob['value'])) {
+        if (null === $lob['value']) {
             $lob['value'] = $lob['resource'];
         }
         $lob['loaded'] = true;
@@ -1687,21 +1693,32 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
         }
 
         $match = '';
-        if (!is_null($operator)) {
+        if (null !== $operator) {
             $operator = strtoupper($operator);
             switch ($operator) {
             // case insensitive
             case 'ILIKE':
-                if (is_null($field)) {
+                if (null === $field) {
                     return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
                         'case insensitive LIKE matching requires passing the field name', __FUNCTION__);
                 }
                 $db->loadModule('Function', null, true);
                 $match = $db->function->lower($field).' LIKE ';
                 break;
+            case 'NOT ILIKE':
+                if (null === $field) {
+                    return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                        'case insensitive NOT ILIKE matching requires passing the field name', __FUNCTION__);
+                }
+                $db->loadModule('Function', null, true);
+                $match = $db->function->lower($field).' NOT LIKE ';
+                break;
             // case sensitive
             case 'LIKE':
-                $match = is_null($field) ? 'LIKE ' : $field.' LIKE ';
+                $match = (null === $field) ? 'LIKE ' : ($field.' LIKE ');
+                break;
+            case 'NOT LIKE':
+                $match = (null === $field) ? 'NOT LIKE ' : ($field.' NOT LIKE ');
                 break;
             default:
                 return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
@@ -1713,9 +1730,6 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
             if ($key % 2) {
                 $match.= $value;
             } else {
-                if ($operator === 'ILIKE') {
-                    $value = strtolower($value);
-                }
                 $escaped = $db->escape($value);
                 if (PEAR::isError($escaped)) {
                     return $escaped;
@@ -1821,4 +1835,4 @@ class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
         return $type;
     }
 }
-?>
\ No newline at end of file
+?>
diff --git a/program/lib/MDB2/Driver/Datatype/mssql.php b/program/lib/MDB2/Driver/Datatype/mssql.php
index fff343c73..dcabed2d2 100644
--- a/program/lib/MDB2/Driver/Datatype/mssql.php
+++ b/program/lib/MDB2/Driver/Datatype/mssql.php
@@ -44,7 +44,7 @@
 // |          Daniel Convissor <danielc@php.net>                          |
 // +----------------------------------------------------------------------+
 //
-// $Id: mssql.php,v 1.65 2008/02/19 14:54:17 afz Exp $
+// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
 //
 
 require_once 'MDB2/Driver/Datatype/Common.php';
@@ -71,7 +71,7 @@ class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
      */
     function _baseConvertResult($value, $type, $rtrim = true)
     {
-        if (is_null($value)) {
+        if (null === $value) {
             return null;
         }
         switch ($type) {
@@ -228,7 +228,7 @@ class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
             if ($field['default'] === '') {
                 $field['default'] = 0;
             }
-            if (is_null($field['default'])) {
+            if (null === $field['default']) {
                 $default = ' DEFAULT (null)';
             } else {
                 $default = ' DEFAULT (' . $this->quote($field['default'], 'integer') . ')';
@@ -339,6 +339,65 @@ class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
     }
 
     // }}}
+    // {{{ matchPattern()
+
+    /**
+     * build a pattern matching string
+     *
+     * @access public
+     *
+     * @param array $pattern even keys are strings, odd are patterns (% and _)
+     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+     * @param string $field optional field name that is being matched against
+     *                  (might be required when emulating ILIKE)
+     *
+     * @return string SQL pattern
+     */
+    function matchPattern($pattern, $operator = null, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $match = '';
+        if (null !== $operator) {
+            $field = (null === $field) ? '' : $field.' ';
+            $operator = strtoupper($operator);
+            switch ($operator) {
+            // case insensitive
+            case 'ILIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT ILIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            // case sensitive
+            case 'LIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT LIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'not a supported operator type:'. $operator, __FUNCTION__);
+            }
+        }
+        $match.= "'";
+        foreach ($pattern as $key => $value) {
+            if ($key % 2) {
+                $match.= $value;
+            } else {
+                $match.= $db->escapePattern($db->escape($value));
+            }
+        }
+        $match.= "'";
+        $match.= $this->patternEscapeString();
+        return $match;
+    }
+
+    // }}}
     // {{{ _mapNativeDatatype()
 
     /**
@@ -376,6 +435,7 @@ class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
             $type[0] = 'integer';
             $length = 8;
             break;
+        case 'smalldatetime':
         case 'datetime':
             $type[0] = 'timestamp';
             break;
diff --git a/program/lib/MDB2/Driver/Datatype/mysql.php b/program/lib/MDB2/Driver/Datatype/mysql.php
index f54dd0a9c..ac7bcd316 100644
--- a/program/lib/MDB2/Driver/Datatype/mysql.php
+++ b/program/lib/MDB2/Driver/Datatype/mysql.php
@@ -1,553 +1,559 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysql.php,v 1.65 2008/02/22 19:23:49 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Datatype/Common.php';

-

-/**

- * MDB2 MySQL driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common

-{

-    // {{{ _getCharsetFieldDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET

-     * of a field declaration to be used in statements like CREATE TABLE.

-     *

-     * @param string $charset   name of the charset

-     * @return string  DBMS specific SQL code portion needed to set the CHARACTER SET

-     *                 of a field declaration.

-     */

-    function _getCharsetFieldDeclaration($charset)

-    {

-        return 'CHARACTER SET '.$charset;

-    }

-

-    // }}}

-    // {{{ _getCollationFieldDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to set the COLLATION

-     * of a field declaration to be used in statements like CREATE TABLE.

-     *

-     * @param string $collation   name of the collation

-     * @return string  DBMS specific SQL code portion needed to set the COLLATION

-     *                 of a field declaration.

-     */

-    function _getCollationFieldDeclaration($collation)

-    {

-        return 'COLLATE '.$collation;

-    }

-

-    // }}}

-    // {{{ getTypeDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an text type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param array $field  associative array with the name of the properties

-     *      of the field being declared as array indexes. Currently, the types

-     *      of supported field properties are as follows:

-     *

-     *      length

-     *          Integer value that determines the maximum length of the text

-     *          field. If this argument is missing the field should be

-     *          declared to have the longest length allowed by the DBMS.

-     *

-     *      default

-     *          Text value to be used as default for this field.

-     *

-     *      notnull

-     *          Boolean flag that indicates whether this field is constrained

-     *          to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *      declare the specified field.

-     * @access public

-     */

-    function getTypeDeclaration($field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        switch ($field['type']) {

-        case 'text':

-            if (empty($field['length']) && array_key_exists('default', $field)) {

-                $field['length'] = $db->varchar_max_length;

-            }

-            $length = !empty($field['length']) ? $field['length'] : false;

-            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;

-            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')

-                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');

-        case 'clob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYTEXT';

-                } elseif ($length <= 65532) {

-                    return 'TEXT';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMTEXT';

-                }

-            }

-            return 'LONGTEXT';

-        case 'blob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYBLOB';

-                } elseif ($length <= 65532) {

-                    return 'BLOB';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMBLOB';

-                }

-            }

-            return 'LONGBLOB';

-        case 'integer':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 1) {

-                    return 'TINYINT';

-                } elseif ($length == 2) {

-                    return 'SMALLINT';

-                } elseif ($length == 3) {

-                    return 'MEDIUMINT';

-                } elseif ($length == 4) {

-                    return 'INT';

-                } elseif ($length > 4) {

-                    return 'BIGINT';

-                }

-            }

-            return 'INT';

-        case 'boolean':

-            return 'TINYINT(1)';

-        case 'date':

-            return 'DATE';

-        case 'time':

-            return 'TIME';

-        case 'timestamp':

-            return 'DATETIME';

-        case 'float':

-            return 'DOUBLE';

-        case 'decimal':

-            $length = !empty($field['length']) ? $field['length'] : 18;

-            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];

-            return 'DECIMAL('.$length.','.$scale.')';

-        }

-        return '';

-    }

-

-    // }}}

-    // {{{ _getIntegerDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an integer type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned integer if

-     *                        possible.

-     *

-     *                       default

-     *                        Integer value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getIntegerDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $default = $autoinc = '';

-        if (!empty($field['autoincrement'])) {

-            $autoinc = ' AUTO_INCREMENT PRIMARY KEY';

-        } elseif (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;

-    }

-

-    // }}}

-    // {{{ _getFloatDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an float type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned float if

-     *                        possible.

-     *

-     *                       default

-     *                        float value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getFloatDeclaration($name, $field)

-    {

-        // Since AUTO_INCREMENT can be used for integer or floating-point types,

-        // reuse the INTEGER declaration

-        // @see http://bugs.mysql.com/bug.php?id=31032

-        return $this->_getIntegerDeclaration($name, $field);

-    }

-

-    // }}}

-    // {{{ _getDecimalDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an decimal type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned integer if

-     *                        possible.

-     *

-     *                       default

-     *                        Decimal value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getDecimalDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $default = '';

-        if (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        } elseif (empty($field['notnull'])) {

-            $default = ' DEFAULT NULL';

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;

-    }

-

-    // }}}

-    // {{{ matchPattern()

-

-    /**

-     * build a pattern matching string

-     *

-     * @access public

-     *

-     * @param array $pattern even keys are strings, odd are patterns (% and _)

-     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)

-     * @param string $field optional field name that is being matched against

-     *                  (might be required when emulating ILIKE)

-     *

-     * @return string SQL pattern

-     */

-    function matchPattern($pattern, $operator = null, $field = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $match = '';

-        if (!is_null($operator)) {

-            $field = is_null($field) ? '' : $field.' ';

-            $operator = strtoupper($operator);

-            switch ($operator) {

-            // case insensitive

-            case 'ILIKE':

-                $match = $field.'LIKE ';

-                break;

-            // case sensitive

-            case 'LIKE':

-                $match = $field.'LIKE BINARY ';

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                    'not a supported operator type:'. $operator, __FUNCTION__);

-            }

-        }

-        $match.= "'";

-        foreach ($pattern as $key => $value) {

-            if ($key % 2) {

-                $match.= $value;

-            } else {

-                $match.= $db->escapePattern($db->escape($value));

-            }

-        }

-        $match.= "'";

-        $match.= $this->patternEscapeString();

-        return $match;

-    }

-

-    // }}}

-    // {{{ _mapNativeDatatype()

-

-    /**

-     * Maps a native array description of a field to a MDB2 datatype and length

-     *

-     * @param array  $field native field description

-     * @return array containing the various possible types, length, sign, fixed

-     * @access public

-     */

-    function _mapNativeDatatype($field)

-    {

-        $db_type = strtolower($field['type']);

-        $db_type = strtok($db_type, '(), ');

-        if ($db_type == 'national') {

-            $db_type = strtok('(), ');

-        }

-        if (!empty($field['length'])) {

-            $length = strtok($field['length'], ', ');

-            $decimal = strtok(', ');

-        } else {

-            $length = strtok('(), ');

-            $decimal = strtok('(), ');

-        }

-        $type = array();

-        $unsigned = $fixed = null;

-        switch ($db_type) {

-        case 'tinyint':

-            $type[] = 'integer';

-            $type[] = 'boolean';

-            if (preg_match('/^(is|has)/', $field['name'])) {

-                $type = array_reverse($type);

-            }

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 1;

-            break;

-        case 'smallint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 2;

-            break;

-        case 'mediumint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 3;

-            break;

-        case 'int':

-        case 'integer':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 4;

-            break;

-        case 'bigint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 8;

-            break;

-        case 'tinytext':

-        case 'mediumtext':

-        case 'longtext':

-        case 'text':

-        case 'varchar':

-            $fixed = false;

-        case 'string':

-        case 'char':

-            $type[] = 'text';

-            if ($length == '1') {

-                $type[] = 'boolean';

-                if (preg_match('/^(is|has)/', $field['name'])) {

-                    $type = array_reverse($type);

-                }

-            } elseif (strstr($db_type, 'text')) {

-                $type[] = 'clob';

-                if ($decimal == 'binary') {

-                    $type[] = 'blob';

-                }

-                $type = array_reverse($type);

-            }

-            if ($fixed !== false) {

-                $fixed = true;

-            }

-            break;

-        case 'enum':

-            $type[] = 'text';

-            preg_match_all('/\'.+\'/U', $field['type'], $matches);

-            $length = 0;

-            $fixed = false;

-            if (is_array($matches)) {

-                foreach ($matches[0] as $value) {

-                    $length = max($length, strlen($value)-2);

-                }

-                if ($length == '1' && count($matches[0]) == 2) {

-                    $type[] = 'boolean';

-                    if (preg_match('/^(is|has)/', $field['name'])) {

-                        $type = array_reverse($type);

-                    }

-                }

-            }

-            $type[] = 'integer';

-        case 'set':

-            $fixed = false;

-            $type[] = 'text';

-            $type[] = 'integer';

-            break;

-        case 'date':

-            $type[] = 'date';

-            $length = null;

-            break;

-        case 'datetime':

-        case 'timestamp':

-            $type[] = 'timestamp';

-            $length = null;

-            break;

-        case 'time':

-            $type[] = 'time';

-            $length = null;

-            break;

-        case 'float':

-        case 'double':

-        case 'real':

-            $type[] = 'float';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            break;

-        case 'unknown':

-        case 'decimal':

-        case 'numeric':

-            $type[] = 'decimal';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            if ($decimal !== false) {

-                $length = $length.','.$decimal;

-            }

-            break;

-        case 'tinyblob':

-        case 'mediumblob':

-        case 'longblob':

-        case 'blob':

-            $type[] = 'blob';

-            $length = null;

-            break;

-        case 'binary':

-        case 'varbinary':

-            $type[] = 'blob';

-            break;

-        case 'year':

-            $type[] = 'integer';

-            $type[] = 'date';

-            $length = null;

-            break;

-        default:

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'unknown database attribute type: '.$db_type, __FUNCTION__);

-        }

-

-        if ((int)$length <= 0) {

-            $length = null;

-        }

-

-        return array($type, $length, $unsigned, $fixed);

-    }

-

-    // }}}

-}

-

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MySQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common
+{
+    // {{{ _getCharsetFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $charset   name of the charset
+     * @return string  DBMS specific SQL code portion needed to set the CHARACTER SET
+     *                 of a field declaration.
+     */
+    function _getCharsetFieldDeclaration($charset)
+    {
+        return 'CHARACTER SET '.$charset;
+    }
+
+    // }}}
+    // {{{ _getCollationFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the COLLATION
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $collation   name of the collation
+     * @return string  DBMS specific SQL code portion needed to set the COLLATION
+     *                 of a field declaration.
+     */
+    function _getCollationFieldDeclaration($collation)
+    {
+        return 'COLLATE '.$collation;
+    }
+
+    // }}}
+    // {{{ getTypeDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an text type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param array $field  associative array with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      length
+     *          Integer value that determines the maximum length of the text
+     *          field. If this argument is missing the field should be
+     *          declared to have the longest length allowed by the DBMS.
+     *
+     *      default
+     *          Text value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *      declare the specified field.
+     * @access public
+     */
+    function getTypeDeclaration($field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch ($field['type']) {
+        case 'text':
+            if (empty($field['length']) && array_key_exists('default', $field)) {
+                $field['length'] = $db->varchar_max_length;
+            }
+            $length = !empty($field['length']) ? $field['length'] : false;
+            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
+                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+        case 'clob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYTEXT';
+                } elseif ($length <= 65532) {
+                    return 'TEXT';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMTEXT';
+                }
+            }
+            return 'LONGTEXT';
+        case 'blob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYBLOB';
+                } elseif ($length <= 65532) {
+                    return 'BLOB';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMBLOB';
+                }
+            }
+            return 'LONGBLOB';
+        case 'integer':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 1) {
+                    return 'TINYINT';
+                } elseif ($length == 2) {
+                    return 'SMALLINT';
+                } elseif ($length == 3) {
+                    return 'MEDIUMINT';
+                } elseif ($length == 4) {
+                    return 'INT';
+                } elseif ($length > 4) {
+                    return 'BIGINT';
+                }
+            }
+            return 'INT';
+        case 'boolean':
+            return 'TINYINT(1)';
+        case 'date':
+            return 'DATE';
+        case 'time':
+            return 'TIME';
+        case 'timestamp':
+            return 'DATETIME';
+        case 'float':
+            return 'DOUBLE';
+        case 'decimal':
+            $length = !empty($field['length']) ? $field['length'] : 18;
+            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+            return 'DECIMAL('.$length.','.$scale.')';
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _getIntegerDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an integer type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Integer value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getIntegerDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $default = $autoinc = '';
+        if (!empty($field['autoincrement'])) {
+            $autoinc = ' AUTO_INCREMENT PRIMARY KEY';
+        } elseif (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+    }
+
+    // }}}
+    // {{{ _getFloatDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an float type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned float if
+     *                        possible.
+     *
+     *                       default
+     *                        float value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getFloatDeclaration($name, $field)
+    {
+        // Since AUTO_INCREMENT can be used for integer or floating-point types,
+        // reuse the INTEGER declaration
+        // @see http://bugs.mysql.com/bug.php?id=31032
+        return $this->_getIntegerDeclaration($name, $field);
+    }
+
+    // }}}
+    // {{{ _getDecimalDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an decimal type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Decimal value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getDecimalDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $default = '';
+        if (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        } elseif (empty($field['notnull'])) {
+            $default = ' DEFAULT NULL';
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;
+    }
+
+    // }}}
+    // {{{ matchPattern()
+
+    /**
+     * build a pattern matching string
+     *
+     * @access public
+     *
+     * @param array $pattern even keys are strings, odd are patterns (% and _)
+     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+     * @param string $field optional field name that is being matched against
+     *                  (might be required when emulating ILIKE)
+     *
+     * @return string SQL pattern
+     */
+    function matchPattern($pattern, $operator = null, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $match = '';
+        if (null !== $operator) {
+            $field = (null === $field) ? '' : $field.' ';
+            $operator = strtoupper($operator);
+            switch ($operator) {
+            // case insensitive
+            case 'ILIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT ILIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            // case sensitive
+            case 'LIKE':
+                $match = $field.'LIKE BINARY ';
+                break;
+            case 'NOT LIKE':
+                $match = $field.'NOT LIKE BINARY ';
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'not a supported operator type:'. $operator, __FUNCTION__);
+            }
+        }
+        $match.= "'";
+        foreach ($pattern as $key => $value) {
+            if ($key % 2) {
+                $match.= $value;
+            } else {
+                $match.= $db->escapePattern($db->escape($value));
+            }
+        }
+        $match.= "'";
+        $match.= $this->patternEscapeString();
+        return $match;
+    }
+
+    // }}}
+    // {{{ _mapNativeDatatype()
+
+    /**
+     * Maps a native array description of a field to a MDB2 datatype and length
+     *
+     * @param array  $field native field description
+     * @return array containing the various possible types, length, sign, fixed
+     * @access public
+     */
+    function _mapNativeDatatype($field)
+    {
+        $db_type = strtolower($field['type']);
+        $db_type = strtok($db_type, '(), ');
+        if ($db_type == 'national') {
+            $db_type = strtok('(), ');
+        }
+        if (!empty($field['length'])) {
+            $length = strtok($field['length'], ', ');
+            $decimal = strtok(', ');
+        } else {
+            $length = strtok('(), ');
+            $decimal = strtok('(), ');
+        }
+        $type = array();
+        $unsigned = $fixed = null;
+        switch ($db_type) {
+        case 'tinyint':
+            $type[] = 'integer';
+            $type[] = 'boolean';
+            if (preg_match('/^(is|has)/', $field['name'])) {
+                $type = array_reverse($type);
+            }
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 1;
+            break;
+        case 'smallint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 2;
+            break;
+        case 'mediumint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 3;
+            break;
+        case 'int':
+        case 'integer':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 4;
+            break;
+        case 'bigint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 8;
+            break;
+        case 'tinytext':
+        case 'mediumtext':
+        case 'longtext':
+        case 'text':
+        case 'varchar':
+            $fixed = false;
+        case 'string':
+        case 'char':
+            $type[] = 'text';
+            if ($length == '1') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            } elseif (strstr($db_type, 'text')) {
+                $type[] = 'clob';
+                if ($decimal == 'binary') {
+                    $type[] = 'blob';
+                }
+                $type = array_reverse($type);
+            }
+            if ($fixed !== false) {
+                $fixed = true;
+            }
+            break;
+        case 'enum':
+            $type[] = 'text';
+            preg_match_all('/\'.+\'/U', $field['type'], $matches);
+            $length = 0;
+            $fixed = false;
+            if (is_array($matches)) {
+                foreach ($matches[0] as $value) {
+                    $length = max($length, strlen($value)-2);
+                }
+                if ($length == '1' && count($matches[0]) == 2) {
+                    $type[] = 'boolean';
+                    if (preg_match('/^(is|has)/', $field['name'])) {
+                        $type = array_reverse($type);
+                    }
+                }
+            }
+            $type[] = 'integer';
+        case 'set':
+            $fixed = false;
+            $type[] = 'text';
+            $type[] = 'integer';
+            break;
+        case 'date':
+            $type[] = 'date';
+            $length = null;
+            break;
+        case 'datetime':
+        case 'timestamp':
+            $type[] = 'timestamp';
+            $length = null;
+            break;
+        case 'time':
+            $type[] = 'time';
+            $length = null;
+            break;
+        case 'float':
+        case 'double':
+        case 'real':
+            $type[] = 'float';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            break;
+        case 'unknown':
+        case 'decimal':
+        case 'numeric':
+            $type[] = 'decimal';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            if ($decimal !== false) {
+                $length = $length.','.$decimal;
+            }
+            break;
+        case 'tinyblob':
+        case 'mediumblob':
+        case 'longblob':
+        case 'blob':
+            $type[] = 'blob';
+            $length = null;
+            break;
+        case 'binary':
+        case 'varbinary':
+            $type[] = 'blob';
+            break;
+        case 'year':
+            $type[] = 'integer';
+            $type[] = 'date';
+            $length = null;
+            break;
+        default:
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unknown database attribute type: '.$db_type, __FUNCTION__);
+        }
+
+        if ((int)$length <= 0) {
+            $length = null;
+        }
+
+        return array($type, $length, $unsigned, $fixed);
+    }
+
+    // }}}
+}
+
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Datatype/mysqli.php b/program/lib/MDB2/Driver/Datatype/mysqli.php
index deba9194e..9ccd1b443 100644
--- a/program/lib/MDB2/Driver/Datatype/mysqli.php
+++ b/program/lib/MDB2/Driver/Datatype/mysqli.php
@@ -1,590 +1,596 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysqli.php,v 1.63 2008/02/22 19:23:49 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Datatype/Common.php';

-

-/**

- * MDB2 MySQLi driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common

-{

-    // {{{ _getCharsetFieldDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET

-     * of a field declaration to be used in statements like CREATE TABLE.

-     *

-     * @param string $charset   name of the charset

-     * @return string  DBMS specific SQL code portion needed to set the CHARACTER SET

-     *                 of a field declaration.

-     */

-    function _getCharsetFieldDeclaration($charset)

-    {

-        return 'CHARACTER SET '.$charset;

-    }

-

-    // }}}

-    // {{{ _getCollationFieldDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to set the COLLATION

-     * of a field declaration to be used in statements like CREATE TABLE.

-     *

-     * @param string $collation   name of the collation

-     * @return string  DBMS specific SQL code portion needed to set the COLLATION

-     *                 of a field declaration.

-     */

-    function _getCollationFieldDeclaration($collation)

-    {

-        return 'COLLATE '.$collation;

-    }

-

-    // }}}

-    // {{{ getTypeDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an text type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param array $field  associative array with the name of the properties

-     *      of the field being declared as array indexes. Currently, the types

-     *      of supported field properties are as follows:

-     *

-     *      length

-     *          Integer value that determines the maximum length of the text

-     *          field. If this argument is missing the field should be

-     *          declared to have the longest length allowed by the DBMS.

-     *

-     *      default

-     *          Text value to be used as default for this field.

-     *

-     *      notnull

-     *          Boolean flag that indicates whether this field is constrained

-     *          to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *      declare the specified field.

-     * @access public

-     */

-    function getTypeDeclaration($field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        switch ($field['type']) {

-        case 'text':

-            if (empty($field['length']) && array_key_exists('default', $field)) {

-                $field['length'] = $db->varchar_max_length;

-            }

-            $length = !empty($field['length']) ? $field['length'] : false;

-            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;

-            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')

-                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');

-        case 'clob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYTEXT';

-                } elseif ($length <= 65532) {

-                    return 'TEXT';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMTEXT';

-                }

-            }

-            return 'LONGTEXT';

-        case 'blob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYBLOB';

-                } elseif ($length <= 65532) {

-                    return 'BLOB';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMBLOB';

-                }

-            }

-            return 'LONGBLOB';

-        case 'integer':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 1) {

-                    return 'TINYINT';

-                } elseif ($length == 2) {

-                    return 'SMALLINT';

-                } elseif ($length == 3) {

-                    return 'MEDIUMINT';

-                } elseif ($length == 4) {

-                    return 'INT';

-                } elseif ($length > 4) {

-                    return 'BIGINT';

-                }

-            }

-            return 'INT';

-        case 'boolean':

-            return 'TINYINT(1)';

-        case 'date':

-            return 'DATE';

-        case 'time':

-            return 'TIME';

-        case 'timestamp':

-            return 'DATETIME';

-        case 'float':

-            return 'DOUBLE';

-        case 'decimal':

-            $length = !empty($field['length']) ? $field['length'] : 18;

-            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];

-            return 'DECIMAL('.$length.','.$scale.')';

-        }

-        return '';

-    }

-

-    // }}}

-    // {{{ _getIntegerDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an integer type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned integer if

-     *                        possible.

-     *

-     *                       default

-     *                        Integer value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getIntegerDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $default = $autoinc = '';

-        if (!empty($field['autoincrement'])) {

-            $autoinc = ' AUTO_INCREMENT PRIMARY KEY';

-        } elseif (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;

-    }

-

-    // }}}

-    // {{{ _getFloatDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an float type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned float if

-     *                        possible.

-     *

-     *                       default

-     *                        float value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getFloatDeclaration($name, $field)

-    {

-        // Since AUTO_INCREMENT can be used for integer or floating-point types,

-        // reuse the INTEGER declaration

-        // @see http://bugs.mysql.com/bug.php?id=31032

-        return $this->_getIntegerDeclaration($name, $field);

-    }

-

-    // }}}

-    // {{{ _getDecimalDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an decimal type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned integer if

-     *                        possible.

-     *

-     *                       default

-     *                        Decimal value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getDecimalDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $default = '';

-        if (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        } elseif (empty($field['notnull'])) {

-            $default = ' DEFAULT NULL';

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;

-    }

-

-    // }}}

-    // {{{ matchPattern()

-

-    /**

-     * build a pattern matching string

-     *

-     * @access public

-     *

-     * @param array $pattern even keys are strings, odd are patterns (% and _)

-     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)

-     * @param string $field optional field name that is being matched against

-     *                  (might be required when emulating ILIKE)

-     *

-     * @return string SQL pattern

-     */

-    function matchPattern($pattern, $operator = null, $field = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $match = '';

-        if (!is_null($operator)) {

-            $field = is_null($field) ? '' : $field.' ';

-            $operator = strtoupper($operator);

-            switch ($operator) {

-            // case insensitive

-            case 'ILIKE':

-                $match = $field.'LIKE ';

-                break;

-            // case sensitive

-            case 'LIKE':

-                $match = $field.'LIKE BINARY ';

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                    'not a supported operator type:'. $operator, __FUNCTION__);

-            }

-        }

-        $match.= "'";

-        foreach ($pattern as $key => $value) {

-            if ($key % 2) {

-                $match.= $value;

-            } else {

-                $match.= $db->escapePattern($db->escape($value));

-            }

-        }

-        $match.= "'";

-        $match.= $this->patternEscapeString();

-        return $match;

-    }

-

-    // }}}

-    // {{{ _mapNativeDatatype()

-

-    /**

-     * Maps a native array description of a field to a MDB2 datatype and length

-     *

-     * @param array  $field native field description

-     * @return array containing the various possible types, length, sign, fixed

-     * @access public

-     */

-    function _mapNativeDatatype($field)

-    {

-        $db_type = strtolower($field['type']);

-        $db_type = strtok($db_type, '(), ');

-        if ($db_type == 'national') {

-            $db_type = strtok('(), ');

-        }

-        if (!empty($field['length'])) {

-            $length = strtok($field['length'], ', ');

-            $decimal = strtok(', ');

-        } else {

-            $length = strtok('(), ');

-            $decimal = strtok('(), ');

-        }

-        $type = array();

-        $unsigned = $fixed = null;

-        switch ($db_type) {

-        case 'tinyint':

-            $type[] = 'integer';

-            $type[] = 'boolean';

-            if (preg_match('/^(is|has)/', $field['name'])) {

-                $type = array_reverse($type);

-            }

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 1;

-            break;

-        case 'smallint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 2;

-            break;

-        case 'mediumint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 3;

-            break;

-        case 'int':

-        case 'integer':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 4;

-            break;

-        case 'bigint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 8;

-            break;

-        case 'tinytext':

-        case 'mediumtext':

-        case 'longtext':

-        case 'text':

-        case 'varchar':

-            $fixed = false;

-        case 'string':

-        case 'char':

-            $type[] = 'text';

-            if ($length == '1') {

-                $type[] = 'boolean';

-                if (preg_match('/^(is|has)/', $field['name'])) {

-                    $type = array_reverse($type);

-                }

-            } elseif (strstr($db_type, 'text')) {

-                $type[] = 'clob';

-                if ($decimal == 'binary') {

-                    $type[] = 'blob';

-                }

-                $type = array_reverse($type);

-            }

-            if ($fixed !== false) {

-                $fixed = true;

-            }

-            break;

-        case 'enum':

-            $type[] = 'text';

-            preg_match_all('/\'.+\'/U', $field['type'], $matches);

-            $length = 0;

-            $fixed = false;

-            if (is_array($matches)) {

-                foreach ($matches[0] as $value) {

-                    $length = max($length, strlen($value)-2);

-                }

-                if ($length == '1' && count($matches[0]) == 2) {

-                    $type[] = 'boolean';

-                    if (preg_match('/^(is|has)/', $field['name'])) {

-                        $type = array_reverse($type);

-                    }

-                }

-            }

-            $type[] = 'integer';

-        case 'set':

-            $fixed = false;

-            $type[] = 'text';

-            $type[] = 'integer';

-            break;

-        case 'date':

-            $type[] = 'date';

-            $length = null;

-            break;

-        case 'datetime':

-        case 'timestamp':

-            $type[] = 'timestamp';

-            $length = null;

-            break;

-        case 'time':

-            $type[] = 'time';

-            $length = null;

-            break;

-        case 'float':

-        case 'double':

-        case 'real':

-            $type[] = 'float';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            break;

-        case 'unknown':

-        case 'decimal':

-        case 'numeric':

-            $type[] = 'decimal';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            if ($decimal !== false) {

-                $length = $length.','.$decimal;

-            }

-            break;

-        case 'tinyblob':

-        case 'mediumblob':

-        case 'longblob':

-        case 'blob':

-            $type[] = 'blob';

-            $length = null;

-            break;

-        case 'binary':

-        case 'varbinary':

-            $type[] = 'blob';

-            break;

-        case 'year':

-            $type[] = 'integer';

-            $type[] = 'date';

-            $length = null;

-            break;

-        default:

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'unknown database attribute type: '.$db_type, __FUNCTION__);

-        }

-

-        if ((int)$length <= 0) {

-            $length = null;

-        }

-

-        return array($type, $length, $unsigned, $fixed);

-    }

-

-    // }}}

-    // {{{ mapPrepareDatatype()

-

-    /**

-     * Maps an MDB2 datatype to native prepare type

-     *

-     * @param string $type

-     * @return string

-     * @access public

-     */

-    function mapPrepareDatatype($type)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!empty($db->options['datatype_map'][$type])) {

-            $type = $db->options['datatype_map'][$type];

-            if (!empty($db->options['datatype_map_callback'][$type])) {

-                $parameter = array('type' => $type);

-                return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));

-            }

-        }

-

-        switch ($type) {

-            case 'integer':

-                return 'i';

-            case 'float':

-                return 'd';

-            case 'blob':

-                return 'b';

-            default:

-                break;

-        }

-        return 's';

-    }

-    

-    // }}}

-}

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MySQLi driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common
+{
+    // {{{ _getCharsetFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $charset   name of the charset
+     * @return string  DBMS specific SQL code portion needed to set the CHARACTER SET
+     *                 of a field declaration.
+     */
+    function _getCharsetFieldDeclaration($charset)
+    {
+        return 'CHARACTER SET '.$charset;
+    }
+
+    // }}}
+    // {{{ _getCollationFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the COLLATION
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $collation   name of the collation
+     * @return string  DBMS specific SQL code portion needed to set the COLLATION
+     *                 of a field declaration.
+     */
+    function _getCollationFieldDeclaration($collation)
+    {
+        return 'COLLATE '.$collation;
+    }
+
+    // }}}
+    // {{{ getTypeDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an text type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param array $field  associative array with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      length
+     *          Integer value that determines the maximum length of the text
+     *          field. If this argument is missing the field should be
+     *          declared to have the longest length allowed by the DBMS.
+     *
+     *      default
+     *          Text value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *      declare the specified field.
+     * @access public
+     */
+    function getTypeDeclaration($field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch ($field['type']) {
+        case 'text':
+            if (empty($field['length']) && array_key_exists('default', $field)) {
+                $field['length'] = $db->varchar_max_length;
+            }
+            $length = !empty($field['length']) ? $field['length'] : false;
+            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
+                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+        case 'clob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYTEXT';
+                } elseif ($length <= 65532) {
+                    return 'TEXT';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMTEXT';
+                }
+            }
+            return 'LONGTEXT';
+        case 'blob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYBLOB';
+                } elseif ($length <= 65532) {
+                    return 'BLOB';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMBLOB';
+                }
+            }
+            return 'LONGBLOB';
+        case 'integer':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 1) {
+                    return 'TINYINT';
+                } elseif ($length == 2) {
+                    return 'SMALLINT';
+                } elseif ($length == 3) {
+                    return 'MEDIUMINT';
+                } elseif ($length == 4) {
+                    return 'INT';
+                } elseif ($length > 4) {
+                    return 'BIGINT';
+                }
+            }
+            return 'INT';
+        case 'boolean':
+            return 'TINYINT(1)';
+        case 'date':
+            return 'DATE';
+        case 'time':
+            return 'TIME';
+        case 'timestamp':
+            return 'DATETIME';
+        case 'float':
+            return 'DOUBLE';
+        case 'decimal':
+            $length = !empty($field['length']) ? $field['length'] : 18;
+            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+            return 'DECIMAL('.$length.','.$scale.')';
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _getIntegerDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an integer type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Integer value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getIntegerDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $default = $autoinc = '';
+        if (!empty($field['autoincrement'])) {
+            $autoinc = ' AUTO_INCREMENT PRIMARY KEY';
+        } elseif (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+    }
+
+    // }}}
+    // {{{ _getFloatDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an float type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned float if
+     *                        possible.
+     *
+     *                       default
+     *                        float value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getFloatDeclaration($name, $field)
+    {
+        // Since AUTO_INCREMENT can be used for integer or floating-point types,
+        // reuse the INTEGER declaration
+        // @see http://bugs.mysql.com/bug.php?id=31032
+        return $this->_getIntegerDeclaration($name, $field);
+    }
+
+    // }}}
+    // {{{ _getDecimalDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an decimal type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Decimal value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getDecimalDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $default = '';
+        if (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        } elseif (empty($field['notnull'])) {
+            $default = ' DEFAULT NULL';
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;
+    }
+
+    // }}}
+    // {{{ matchPattern()
+
+    /**
+     * build a pattern matching string
+     *
+     * @access public
+     *
+     * @param array $pattern even keys are strings, odd are patterns (% and _)
+     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+     * @param string $field optional field name that is being matched against
+     *                  (might be required when emulating ILIKE)
+     *
+     * @return string SQL pattern
+     */
+    function matchPattern($pattern, $operator = null, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $match = '';
+        if (null !== $operator) {
+            $field = (null === $field) ? '' : $field.' ';
+            $operator = strtoupper($operator);
+            switch ($operator) {
+            // case insensitive
+            case 'ILIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT ILIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            // case sensitive
+            case 'LIKE':
+                $match = $field.'LIKE BINARY ';
+                break;
+            case 'NOT LIKE':
+                $match = $field.'NOT LIKE BINARY ';
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'not a supported operator type:'. $operator, __FUNCTION__);
+            }
+        }
+        $match.= "'";
+        foreach ($pattern as $key => $value) {
+            if ($key % 2) {
+                $match.= $value;
+            } else {
+                $match.= $db->escapePattern($db->escape($value));
+            }
+        }
+        $match.= "'";
+        $match.= $this->patternEscapeString();
+        return $match;
+    }
+
+    // }}}
+    // {{{ _mapNativeDatatype()
+
+    /**
+     * Maps a native array description of a field to a MDB2 datatype and length
+     *
+     * @param array  $field native field description
+     * @return array containing the various possible types, length, sign, fixed
+     * @access public
+     */
+    function _mapNativeDatatype($field)
+    {
+        $db_type = strtolower($field['type']);
+        $db_type = strtok($db_type, '(), ');
+        if ($db_type == 'national') {
+            $db_type = strtok('(), ');
+        }
+        if (!empty($field['length'])) {
+            $length = strtok($field['length'], ', ');
+            $decimal = strtok(', ');
+        } else {
+            $length = strtok('(), ');
+            $decimal = strtok('(), ');
+        }
+        $type = array();
+        $unsigned = $fixed = null;
+        switch ($db_type) {
+        case 'tinyint':
+            $type[] = 'integer';
+            $type[] = 'boolean';
+            if (preg_match('/^(is|has)/', $field['name'])) {
+                $type = array_reverse($type);
+            }
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 1;
+            break;
+        case 'smallint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 2;
+            break;
+        case 'mediumint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 3;
+            break;
+        case 'int':
+        case 'integer':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 4;
+            break;
+        case 'bigint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 8;
+            break;
+        case 'tinytext':
+        case 'mediumtext':
+        case 'longtext':
+        case 'text':
+        case 'varchar':
+            $fixed = false;
+        case 'string':
+        case 'char':
+            $type[] = 'text';
+            if ($length == '1') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            } elseif (strstr($db_type, 'text')) {
+                $type[] = 'clob';
+                if ($decimal == 'binary') {
+                    $type[] = 'blob';
+                }
+                $type = array_reverse($type);
+            }
+            if ($fixed !== false) {
+                $fixed = true;
+            }
+            break;
+        case 'enum':
+            $type[] = 'text';
+            preg_match_all('/\'.+\'/U', $field['type'], $matches);
+            $length = 0;
+            $fixed = false;
+            if (is_array($matches)) {
+                foreach ($matches[0] as $value) {
+                    $length = max($length, strlen($value)-2);
+                }
+                if ($length == '1' && count($matches[0]) == 2) {
+                    $type[] = 'boolean';
+                    if (preg_match('/^(is|has)/', $field['name'])) {
+                        $type = array_reverse($type);
+                    }
+                }
+            }
+            $type[] = 'integer';
+        case 'set':
+            $fixed = false;
+            $type[] = 'text';
+            $type[] = 'integer';
+            break;
+        case 'date':
+            $type[] = 'date';
+            $length = null;
+            break;
+        case 'datetime':
+        case 'timestamp':
+            $type[] = 'timestamp';
+            $length = null;
+            break;
+        case 'time':
+            $type[] = 'time';
+            $length = null;
+            break;
+        case 'float':
+        case 'double':
+        case 'real':
+            $type[] = 'float';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            break;
+        case 'unknown':
+        case 'decimal':
+        case 'numeric':
+            $type[] = 'decimal';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            if ($decimal !== false) {
+                $length = $length.','.$decimal;
+            }
+            break;
+        case 'tinyblob':
+        case 'mediumblob':
+        case 'longblob':
+        case 'blob':
+            $type[] = 'blob';
+            $length = null;
+            break;
+        case 'binary':
+        case 'varbinary':
+            $type[] = 'blob';
+            break;
+        case 'year':
+            $type[] = 'integer';
+            $type[] = 'date';
+            $length = null;
+            break;
+        default:
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unknown database attribute type: '.$db_type, __FUNCTION__);
+        }
+
+        if ((int)$length <= 0) {
+            $length = null;
+        }
+
+        return array($type, $length, $unsigned, $fixed);
+    }
+
+    // }}}
+    // {{{ mapPrepareDatatype()
+
+    /**
+     * Maps an MDB2 datatype to native prepare type
+     *
+     * @param string $type
+     * @return string
+     * @access public
+     */
+    function mapPrepareDatatype($type)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!empty($db->options['datatype_map'][$type])) {
+            $type = $db->options['datatype_map'][$type];
+            if (!empty($db->options['datatype_map_callback'][$type])) {
+                $parameter = array('type' => $type);
+                return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+            }
+        }
+
+        switch ($type) {
+            case 'integer':
+                return 'i';
+            case 'float':
+                return 'd';
+            case 'blob':
+                return 'b';
+            default:
+                break;
+        }
+        return 's';
+    }
+    
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php
index c31c7d83a..2a0bbb717 100644
--- a/program/lib/MDB2/Driver/Datatype/pgsql.php
+++ b/program/lib/MDB2/Driver/Datatype/pgsql.php
@@ -1,555 +1,576 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Paul Cooper <pgc@ucecom.com>                                 |

-// +----------------------------------------------------------------------+

-//

-// $Id: pgsql.php,v 1.91 2008/03/09 12:28:08 quipo Exp $

-

-require_once 'MDB2/Driver/Datatype/Common.php';

-

-/**

- * MDB2 PostGreSQL driver

- *

- * @package MDB2

- * @category Database

- * @author  Paul Cooper <pgc@ucecom.com>

- */

-class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common

-{

-    // {{{ _baseConvertResult()

-

-    /**

-     * General type conversion method

-     *

-     * @param mixed   $value refernce to a value to be converted

-     * @param string  $type  specifies which type to convert to

-     * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text

-     * @return object a MDB2 error on failure

-     * @access protected

-     */

-    function _baseConvertResult($value, $type, $rtrim = true)

-    {

-        if (is_null($value)) {

-            return null;

-        }

-        switch ($type) {

-        case 'boolean':

-            return $value == 't';

-        case 'float':

-            return doubleval($value);

-        case 'date':

-            return $value;

-        case 'time':

-            return substr($value, 0, strlen('HH:MM:SS'));

-        case 'timestamp':

-            return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));

-        case 'blob':

-            $value = pg_unescape_bytea($value);

-            return parent::_baseConvertResult($value, $type, $rtrim);

-        }

-        return parent::_baseConvertResult($value, $type, $rtrim);

-    }

-

-    // }}}

-    // {{{ getTypeDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an text type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param array $field  associative array with the name of the properties

-     *      of the field being declared as array indexes. Currently, the types

-     *      of supported field properties are as follows:

-     *

-     *      length

-     *          Integer value that determines the maximum length of the text

-     *          field. If this argument is missing the field should be

-     *          declared to have the longest length allowed by the DBMS.

-     *

-     *      default

-     *          Text value to be used as default for this field.

-     *

-     *      notnull

-     *          Boolean flag that indicates whether this field is constrained

-     *          to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *      declare the specified field.

-     * @access public

-     */

-    function getTypeDeclaration($field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        switch ($field['type']) {

-        case 'text':

-            $length = !empty($field['length'])

-                ? $field['length'] : $db->options['default_text_field_length'];

-            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;

-            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')

-                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');

-        case 'clob':

-            return 'TEXT';

-        case 'blob':

-            return 'BYTEA';

-        case 'integer':

-            if (!empty($field['autoincrement'])) {

-                if (!empty($field['length'])) {

-                    $length = $field['length'];

-                    if ($length > 4) {

-                        return 'BIGSERIAL PRIMARY KEY';

-                    }

-                }

-                return 'SERIAL PRIMARY KEY';

-            }

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 2) {

-                    return 'SMALLINT';

-                } elseif ($length == 3 || $length == 4) {

-                    return 'INT';

-                } elseif ($length > 4) {

-                    return 'BIGINT';

-                }

-            }

-            return 'INT';

-        case 'boolean':

-            return 'BOOLEAN';

-        case 'date':

-            return 'DATE';

-        case 'time':

-            return 'TIME without time zone';

-        case 'timestamp':

-            return 'TIMESTAMP without time zone';

-        case 'float':

-            return 'FLOAT8';

-        case 'decimal':

-            $length = !empty($field['length']) ? $field['length'] : 18;

-            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];

-            return 'NUMERIC('.$length.','.$scale.')';

-        }

-    }

-

-    // }}}

-    // {{{ _getIntegerDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an integer type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string $name name the field to be declared.

-     * @param array $field associative array with the name of the properties

-     *       of the field being declared as array indexes. Currently, the types

-     *       of supported field properties are as follows:

-     *

-     *       unsigned

-     *           Boolean flag that indicates whether the field should be

-     *           declared as unsigned integer if possible.

-     *

-     *       default

-     *           Integer value to be used as default for this field.

-     *

-     *       notnull

-     *           Boolean flag that indicates whether this field is constrained

-     *           to not be set to null.

-     * @return string DBMS specific SQL code portion that should be used to

-     *       declare the specified field.

-     * @access protected

-     */

-    function _getIntegerDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!empty($field['unsigned'])) {

-            $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";

-        }

-        if (!empty($field['autoincrement'])) {

-            $name = $db->quoteIdentifier($name, true);

-            return $name.' '.$this->getTypeDeclaration($field);

-        }

-        $default = '';

-        if (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;

-    }

-

-    // }}}

-    // {{{ _quoteCLOB()

-

-    /**

-     * Convert a text value into a DBMS specific format that is suitable to

-     * compose query statements.

-     *

-     * @param string $value text string value that is intended to be converted.

-     * @param bool $quote determines if the value should be quoted and escaped

-     * @param bool $escape_wildcards if to escape escape wildcards

-     * @return string text string that represents the given argument value in

-     *      a DBMS specific format.

-     * @access protected

-     */

-    function _quoteCLOB($value, $quote, $escape_wildcards)

-    {

-        return $this->_quoteText($value, $quote, $escape_wildcards);

-    }

-

-    // }}}

-    // {{{ _quoteBLOB()

-

-    /**

-     * Convert a text value into a DBMS specific format that is suitable to

-     * compose query statements.

-     *

-     * @param string $value text string value that is intended to be converted.

-     * @param bool $quote determines if the value should be quoted and escaped

-     * @param bool $escape_wildcards if to escape escape wildcards

-     * @return string text string that represents the given argument value in

-     *      a DBMS specific format.

-     * @access protected

-     */

-    function _quoteBLOB($value, $quote, $escape_wildcards)

-    {

-        if (!$quote) {

-            return $value;

-        }

-        if (version_compare(PHP_VERSION, '5.2.0RC6', '>=')) {

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-            $connection = $db->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-            $value = @pg_escape_bytea($connection, $value);

-        } else {

-            $value = @pg_escape_bytea($value);

-        }

-        return "'".$value."'";

-    }

-

-    // }}}

-    // {{{ _quoteBoolean()

-

-    /**

-     * Convert a text value into a DBMS specific format that is suitable to

-     * compose query statements.

-     *

-     * @param string $value text string value that is intended to be converted.

-     * @param bool $quote determines if the value should be quoted and escaped

-     * @param bool $escape_wildcards if to escape escape wildcards

-     * @return string text string that represents the given argument value in

-     *       a DBMS specific format.

-     * @access protected

-     */

-    function _quoteBoolean($value, $quote, $escape_wildcards)

-    {

-        $value = $value ? 't' : 'f';

-        if (!$quote) {

-            return $value;

-        }

-        return "'".$value."'";

-    }

-

-    // }}}

-    // {{{ matchPattern()

-

-    /**

-     * build a pattern matching string

-     *

-     * @access public

-     *

-     * @param array $pattern even keys are strings, odd are patterns (% and _)

-     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)

-     * @param string $field optional field name that is being matched against

-     *                  (might be required when emulating ILIKE)

-     *

-     * @return string SQL pattern

-     */

-    function matchPattern($pattern, $operator = null, $field = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $match = '';

-        if (!is_null($operator)) {

-            $field = is_null($field) ? '' : $field.' ';

-            $operator = strtoupper($operator);

-            switch ($operator) {

-            // case insensitive

-            case 'ILIKE':

-                $match = $field.'ILIKE ';

-                break;

-            // case sensitive

-            case 'LIKE':

-                $match = $field.'LIKE ';

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                    'not a supported operator type:'. $operator, __FUNCTION__);

-            }

-        }

-        $match.= "'";

-        foreach ($pattern as $key => $value) {

-            if ($key % 2) {

-                $match.= $value;

-            } else {

-                $match.= $db->escapePattern($db->escape($value));

-            }

-        }

-        $match.= "'";

-        $match.= $this->patternEscapeString();

-        return $match;

-    }

-

-    // }}}

-    // {{{ patternEscapeString()

-

-    /**

-     * build string to define escape pattern string

-     *

-     * @access public

-     *

-     *

-     * @return string define escape pattern

-     */

-    function patternEscapeString()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        return ' ESCAPE '.$this->quote($db->string_quoting['escape_pattern']);

-    }

-

-    // }}}

-    // {{{ _mapNativeDatatype()

-

-    /**

-     * Maps a native array description of a field to a MDB2 datatype and length

-     *

-     * @param array  $field native field description

-     * @return array containing the various possible types, length, sign, fixed

-     * @access public

-     */

-    function _mapNativeDatatype($field)

-    {

-        $db_type = strtolower($field['type']);

-        $length = $field['length'];

-        $type = array();

-        $unsigned = $fixed = null;

-        switch ($db_type) {

-        case 'smallint':

-        case 'int2':

-            $type[] = 'integer';

-            $unsigned = false;

-            $length = 2;

-            if ($length == '2') {

-                $type[] = 'boolean';

-                if (preg_match('/^(is|has)/', $field['name'])) {

-                    $type = array_reverse($type);

-                }

-            }

-            break;

-        case 'int':

-        case 'int4':

-        case 'integer':

-        case 'serial':

-        case 'serial4':

-            $type[] = 'integer';

-            $unsigned = false;

-            $length = 4;

-            break;

-        case 'bigint':

-        case 'int8':

-        case 'bigserial':

-        case 'serial8':

-            $type[] = 'integer';

-            $unsigned = false;

-            $length = 8;

-            break;

-        case 'bool':

-        case 'boolean':

-            $type[] = 'boolean';

-            $length = null;

-            break;

-        case 'text':

-        case 'varchar':

-            $fixed = false;

-        case 'unknown':

-        case 'char':

-        case 'bpchar':

-            $type[] = 'text';

-            if ($length == '1') {

-                $type[] = 'boolean';

-                if (preg_match('/^(is|has)/', $field['name'])) {

-                    $type = array_reverse($type);

-                }

-            } elseif (strstr($db_type, 'text')) {

-                $type[] = 'clob';

-                $type = array_reverse($type);

-            }

-            if ($fixed !== false) {

-                $fixed = true;

-            }

-            break;

-        case 'date':

-            $type[] = 'date';

-            $length = null;

-            break;

-        case 'datetime':

-        case 'timestamp':

-        case 'timestamptz':

-            $type[] = 'timestamp';

-            $length = null;

-            break;

-        case 'time':

-            $type[] = 'time';

-            $length = null;

-            break;

-        case 'float':

-        case 'float4':

-        case 'float8':

-        case 'double':

-        case 'real':

-            $type[] = 'float';

-            break;

-        case 'decimal':

-        case 'money':

-        case 'numeric':

-            $type[] = 'decimal';

-            if (isset($field['scale'])) {

-                $length = $length.','.$field['scale'];

-            }

-            break;

-        case 'tinyblob':

-        case 'mediumblob':

-        case 'longblob':

-        case 'blob':

-        case 'bytea':

-            $type[] = 'blob';

-            $length = null;

-            break;

-        case 'oid':

-            $type[] = 'blob';

-            $type[] = 'clob';

-            $length = null;

-            break;

-        case 'year':

-            $type[] = 'integer';

-            $type[] = 'date';

-            $length = null;

-            break;

-        default:

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'unknown database attribute type: '.$db_type, __FUNCTION__);

-        }

-

-        if ((int)$length <= 0) {

-            $length = null;

-        }

-

-        return array($type, $length, $unsigned, $fixed);

-    }

-

-    // }}}

-    // {{{ mapPrepareDatatype()

-

-    /**

-     * Maps an mdb2 datatype to native prepare type

-     *

-     * @param string $type

-     * @return string

-     * @access public

-     */

-    function mapPrepareDatatype($type)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!empty($db->options['datatype_map'][$type])) {

-            $type = $db->options['datatype_map'][$type];

-            if (!empty($db->options['datatype_map_callback'][$type])) {

-                $parameter = array('type' => $type);

-                return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));

-            }

-        }

-

-        switch ($type) {

-            case 'integer':

-                return 'int';

-            case 'boolean':

-                return 'bool';

-            case 'decimal':

-            case 'float':

-                return 'numeric';

-            case 'clob':

-                return 'text';

-            case 'blob':

-                return 'bytea';

-            default:

-                break;

-        }

-        return $type;

-    }

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com>                                 |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common
+{
+    // {{{ _baseConvertResult()
+
+    /**
+     * General type conversion method
+     *
+     * @param mixed   $value refernce to a value to be converted
+     * @param string  $type  specifies which type to convert to
+     * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+     * @return object a MDB2 error on failure
+     * @access protected
+     */
+    function _baseConvertResult($value, $type, $rtrim = true)
+    {
+        if (null === $value) {
+            return null;
+        }
+        switch ($type) {
+        case 'boolean':
+            return $value == 't';
+        case 'float':
+            return doubleval($value);
+        case 'date':
+            return $value;
+        case 'time':
+            return substr($value, 0, strlen('HH:MM:SS'));
+        case 'timestamp':
+            return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));
+        case 'blob':
+            $value = pg_unescape_bytea($value);
+            return parent::_baseConvertResult($value, $type, $rtrim);
+        }
+        return parent::_baseConvertResult($value, $type, $rtrim);
+    }
+
+    // }}}
+    // {{{ getTypeDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an text type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param array $field  associative array with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      length
+     *          Integer value that determines the maximum length of the text
+     *          field. If this argument is missing the field should be
+     *          declared to have the longest length allowed by the DBMS.
+     *
+     *      default
+     *          Text value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *      declare the specified field.
+     * @access public
+     */
+    function getTypeDeclaration($field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch ($field['type']) {
+        case 'text':
+            $length = !empty($field['length']) ? $field['length'] : false;
+            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+        case 'clob':
+            return 'TEXT';
+        case 'blob':
+            return 'BYTEA';
+        case 'integer':
+            if (!empty($field['autoincrement'])) {
+                if (!empty($field['length'])) {
+                    $length = $field['length'];
+                    if ($length > 4) {
+                        return 'BIGSERIAL PRIMARY KEY';
+                    }
+                }
+                return 'SERIAL PRIMARY KEY';
+            }
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 2) {
+                    return 'SMALLINT';
+                } elseif ($length == 3 || $length == 4) {
+                    return 'INT';
+                } elseif ($length > 4) {
+                    return 'BIGINT';
+                }
+            }
+            return 'INT';
+        case 'boolean':
+            return 'BOOLEAN';
+        case 'date':
+            return 'DATE';
+        case 'time':
+            return 'TIME without time zone';
+        case 'timestamp':
+            return 'TIMESTAMP without time zone';
+        case 'float':
+            return 'FLOAT8';
+        case 'decimal':
+            $length = !empty($field['length']) ? $field['length'] : 18;
+            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+            return 'NUMERIC('.$length.','.$scale.')';
+        }
+    }
+
+    // }}}
+    // {{{ _getIntegerDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an integer type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string $name name the field to be declared.
+     * @param array $field associative array with the name of the properties
+     *       of the field being declared as array indexes. Currently, the types
+     *       of supported field properties are as follows:
+     *
+     *       unsigned
+     *           Boolean flag that indicates whether the field should be
+     *           declared as unsigned integer if possible.
+     *
+     *       default
+     *           Integer value to be used as default for this field.
+     *
+     *       notnull
+     *           Boolean flag that indicates whether this field is constrained
+     *           to not be set to null.
+     * @return string DBMS specific SQL code portion that should be used to
+     *       declare the specified field.
+     * @access protected
+     */
+    function _getIntegerDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!empty($field['unsigned'])) {
+            $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+        }
+        if (!empty($field['autoincrement'])) {
+            $name = $db->quoteIdentifier($name, true);
+            return $name.' '.$this->getTypeDeclaration($field);
+        }
+        $default = '';
+        if (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+    }
+
+    // }}}
+    // {{{ _quoteCLOB()
+
+    /**
+     * Convert a text value into a DBMS specific format that is suitable to
+     * compose query statements.
+     *
+     * @param string $value text string value that is intended to be converted.
+     * @param bool $quote determines if the value should be quoted and escaped
+     * @param bool $escape_wildcards if to escape escape wildcards
+     * @return string text string that represents the given argument value in
+     *      a DBMS specific format.
+     * @access protected
+     */
+    function _quoteCLOB($value, $quote, $escape_wildcards)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        if ($db->options['lob_allow_url_include']) {
+            $value = $this->_readFile($value);
+            if (PEAR::isError($value)) {
+                return $value;
+            }
+        }
+        return $this->_quoteText($value, $quote, $escape_wildcards);
+    }
+
+    // }}}
+    // {{{ _quoteBLOB()
+
+    /**
+     * Convert a text value into a DBMS specific format that is suitable to
+     * compose query statements.
+     *
+     * @param string $value text string value that is intended to be converted.
+     * @param bool $quote determines if the value should be quoted and escaped
+     * @param bool $escape_wildcards if to escape escape wildcards
+     * @return string text string that represents the given argument value in
+     *      a DBMS specific format.
+     * @access protected
+     */
+    function _quoteBLOB($value, $quote, $escape_wildcards)
+    {
+        if (!$quote) {
+            return $value;
+        }
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        if ($db->options['lob_allow_url_include']) {
+            $value = $this->_readFile($value);
+            if (PEAR::isError($value)) {
+                return $value;
+            }
+        }
+        if (version_compare(PHP_VERSION, '5.2.0RC6', '>=')) {
+            $connection = $db->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+            $value = @pg_escape_bytea($connection, $value);
+        } else {
+            $value = @pg_escape_bytea($value);
+        }
+        return "'".$value."'";
+    }
+
+    // }}}
+    // {{{ _quoteBoolean()
+
+    /**
+     * Convert a text value into a DBMS specific format that is suitable to
+     * compose query statements.
+     *
+     * @param string $value text string value that is intended to be converted.
+     * @param bool $quote determines if the value should be quoted and escaped
+     * @param bool $escape_wildcards if to escape escape wildcards
+     * @return string text string that represents the given argument value in
+     *       a DBMS specific format.
+     * @access protected
+     */
+    function _quoteBoolean($value, $quote, $escape_wildcards)
+    {
+        $value = $value ? 't' : 'f';
+        if (!$quote) {
+            return $value;
+        }
+        return "'".$value."'";
+    }
+
+    // }}}
+    // {{{ matchPattern()
+
+    /**
+     * build a pattern matching string
+     *
+     * @access public
+     *
+     * @param array $pattern even keys are strings, odd are patterns (% and _)
+     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+     * @param string $field optional field name that is being matched against
+     *                  (might be required when emulating ILIKE)
+     *
+     * @return string SQL pattern
+     */
+    function matchPattern($pattern, $operator = null, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $match = '';
+        if (null !== $operator) {
+            $field = (null === $field) ? '' : $field.' ';
+            $operator = strtoupper($operator);
+            switch ($operator) {
+            // case insensitive
+            case 'ILIKE':
+                $match = $field.'ILIKE ';
+                break;
+            case 'NOT ILIKE':
+                $match = $field.'NOT ILIKE ';
+                break;
+            // case sensitive
+            case 'LIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT LIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'not a supported operator type:'. $operator, __FUNCTION__);
+            }
+        }
+        $match.= "'";
+        foreach ($pattern as $key => $value) {
+            if ($key % 2) {
+                $match.= $value;
+            } else {
+                $match.= $db->escapePattern($db->escape($value));
+            }
+        }
+        $match.= "'";
+        $match.= $this->patternEscapeString();
+        return $match;
+    }
+
+    // }}}
+    // {{{ patternEscapeString()
+
+    /**
+     * build string to define escape pattern string
+     *
+     * @access public
+     *
+     *
+     * @return string define escape pattern
+     */
+    function patternEscapeString()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        return ' ESCAPE '.$this->quote($db->string_quoting['escape_pattern']);
+    }
+
+    // }}}
+    // {{{ _mapNativeDatatype()
+
+    /**
+     * Maps a native array description of a field to a MDB2 datatype and length
+     *
+     * @param array  $field native field description
+     * @return array containing the various possible types, length, sign, fixed
+     * @access public
+     */
+    function _mapNativeDatatype($field)
+    {
+        $db_type = strtolower($field['type']);
+        $length = $field['length'];
+        $type = array();
+        $unsigned = $fixed = null;
+        switch ($db_type) {
+        case 'smallint':
+        case 'int2':
+            $type[] = 'integer';
+            $unsigned = false;
+            $length = 2;
+            if ($length == '2') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            }
+            break;
+        case 'int':
+        case 'int4':
+        case 'integer':
+        case 'serial':
+        case 'serial4':
+            $type[] = 'integer';
+            $unsigned = false;
+            $length = 4;
+            break;
+        case 'bigint':
+        case 'int8':
+        case 'bigserial':
+        case 'serial8':
+            $type[] = 'integer';
+            $unsigned = false;
+            $length = 8;
+            break;
+        case 'bool':
+        case 'boolean':
+            $type[] = 'boolean';
+            $length = null;
+            break;
+        case 'text':
+        case 'varchar':
+            $fixed = false;
+        case 'unknown':
+        case 'char':
+        case 'bpchar':
+            $type[] = 'text';
+            if ($length == '1') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            } elseif (strstr($db_type, 'text')) {
+                $type[] = 'clob';
+                $type = array_reverse($type);
+            }
+            if ($fixed !== false) {
+                $fixed = true;
+            }
+            break;
+        case 'date':
+            $type[] = 'date';
+            $length = null;
+            break;
+        case 'datetime':
+        case 'timestamp':
+        case 'timestamptz':
+            $type[] = 'timestamp';
+            $length = null;
+            break;
+        case 'time':
+            $type[] = 'time';
+            $length = null;
+            break;
+        case 'float':
+        case 'float4':
+        case 'float8':
+        case 'double':
+        case 'real':
+            $type[] = 'float';
+            break;
+        case 'decimal':
+        case 'money':
+        case 'numeric':
+            $type[] = 'decimal';
+            if (isset($field['scale'])) {
+                $length = $length.','.$field['scale'];
+            }
+            break;
+        case 'tinyblob':
+        case 'mediumblob':
+        case 'longblob':
+        case 'blob':
+        case 'bytea':
+            $type[] = 'blob';
+            $length = null;
+            break;
+        case 'oid':
+            $type[] = 'blob';
+            $type[] = 'clob';
+            $length = null;
+            break;
+        case 'year':
+            $type[] = 'integer';
+            $type[] = 'date';
+            $length = null;
+            break;
+        default:
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unknown database attribute type: '.$db_type, __FUNCTION__);
+        }
+
+        if ((int)$length <= 0) {
+            $length = null;
+        }
+
+        return array($type, $length, $unsigned, $fixed);
+    }
+
+    // }}}
+    // {{{ mapPrepareDatatype()
+
+    /**
+     * Maps an mdb2 datatype to native prepare type
+     *
+     * @param string $type
+     * @return string
+     * @access public
+     */
+    function mapPrepareDatatype($type)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!empty($db->options['datatype_map'][$type])) {
+            $type = $db->options['datatype_map'][$type];
+            if (!empty($db->options['datatype_map_callback'][$type])) {
+                $parameter = array('type' => $type);
+                return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+            }
+        }
+
+        switch ($type) {
+            case 'integer':
+                return 'int';
+            case 'boolean':
+                return 'bool';
+            case 'decimal':
+            case 'float':
+                return 'numeric';
+            case 'clob':
+                return 'text';
+            case 'blob':
+                return 'bytea';
+            default:
+                break;
+        }
+        return $type;
+    }
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Datatype/sqlite.php b/program/lib/MDB2/Driver/Datatype/sqlite.php
index 0310cc77d..4b68b8c40 100644
--- a/program/lib/MDB2/Driver/Datatype/sqlite.php
+++ b/program/lib/MDB2/Driver/Datatype/sqlite.php
@@ -1,409 +1,415 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: sqlite.php,v 1.67 2008/02/22 19:58:06 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Datatype/Common.php';

-

-/**

- * MDB2 SQLite driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common

-{

-    // {{{ _getCollationFieldDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to set the COLLATION

-     * of a field declaration to be used in statements like CREATE TABLE.

-     *

-     * @param string $collation name of the collation

-     *

-     * @return string DBMS specific SQL code portion needed to set the COLLATION

-     *                of a field declaration.

-     */

-    function _getCollationFieldDeclaration($collation)

-    {

-        return 'COLLATE '.$collation;

-    }

-

-    // }}}

-    // {{{ getTypeDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an text type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param array $field  associative array with the name of the properties

-     *      of the field being declared as array indexes. Currently, the types

-     *      of supported field properties are as follows:

-     *

-     *      length

-     *          Integer value that determines the maximum length of the text

-     *          field. If this argument is missing the field should be

-     *          declared to have the longest length allowed by the DBMS.

-     *

-     *      default

-     *          Text value to be used as default for this field.

-     *

-     *      notnull

-     *          Boolean flag that indicates whether this field is constrained

-     *          to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *      declare the specified field.

-     * @access public

-     */

-    function getTypeDeclaration($field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        switch ($field['type']) {

-        case 'text':

-            $length = !empty($field['length'])

-                ? $field['length'] : false;

-            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;

-            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')

-                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');

-        case 'clob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYTEXT';

-                } elseif ($length <= 65532) {

-                    return 'TEXT';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMTEXT';

-                }

-            }

-            return 'LONGTEXT';

-        case 'blob':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 255) {

-                    return 'TINYBLOB';

-                } elseif ($length <= 65532) {

-                    return 'BLOB';

-                } elseif ($length <= 16777215) {

-                    return 'MEDIUMBLOB';

-                }

-            }

-            return 'LONGBLOB';

-        case 'integer':

-            if (!empty($field['length'])) {

-                $length = $field['length'];

-                if ($length <= 2) {

-                    return 'SMALLINT';

-                } elseif ($length == 3 || $length == 4) {

-                    return 'INTEGER';

-                } elseif ($length > 4) {

-                    return 'BIGINT';

-                }

-            }

-            return 'INTEGER';

-        case 'boolean':

-            return 'BOOLEAN';

-        case 'date':

-            return 'DATE';

-        case 'time':

-            return 'TIME';

-        case 'timestamp':

-            return 'DATETIME';

-        case 'float':

-            return 'DOUBLE'.($db->options['fixed_float'] ? '('.

-                ($db->options['fixed_float']+2).','.$db->options['fixed_float'].')' : '');

-        case 'decimal':

-            $length = !empty($field['length']) ? $field['length'] : 18;

-            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];

-            return 'DECIMAL('.$length.','.$scale.')';

-        }

-        return '';

-    }

-

-    // }}}

-    // {{{ _getIntegerDeclaration()

-

-    /**

-     * Obtain DBMS specific SQL code portion needed to declare an integer type

-     * field to be used in statements like CREATE TABLE.

-     *

-     * @param string  $name   name the field to be declared.

-     * @param string  $field  associative array with the name of the properties

-     *                        of the field being declared as array indexes.

-     *                        Currently, the types of supported field

-     *                        properties are as follows:

-     *

-     *                       unsigned

-     *                        Boolean flag that indicates whether the field

-     *                        should be declared as unsigned integer if

-     *                        possible.

-     *

-     *                       default

-     *                        Integer value to be used as default for this

-     *                        field.

-     *

-     *                       notnull

-     *                        Boolean flag that indicates whether this field is

-     *                        constrained to not be set to null.

-     * @return string  DBMS specific SQL code portion that should be used to

-     *                 declare the specified field.

-     * @access protected

-     */

-    function _getIntegerDeclaration($name, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $default = $autoinc = '';

-        if (!empty($field['autoincrement'])) {

-            $autoinc = ' PRIMARY KEY';

-        } elseif (array_key_exists('default', $field)) {

-            if ($field['default'] === '') {

-                $field['default'] = empty($field['notnull']) ? null : 0;

-            }

-            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');

-        }

-

-        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';

-        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';

-        $name = $db->quoteIdentifier($name, true);

-        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;

-    }

-

-    // }}}

-    // {{{ matchPattern()

-

-    /**

-     * build a pattern matching string

-     *

-     * @access public

-     *

-     * @param array $pattern even keys are strings, odd are patterns (% and _)

-     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)

-     * @param string $field optional field name that is being matched against

-     *                  (might be required when emulating ILIKE)

-     *

-     * @return string SQL pattern

-     */

-    function matchPattern($pattern, $operator = null, $field = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $match = '';

-        if (!is_null($operator)) {

-            $field = is_null($field) ? '' : $field.' ';

-            $operator = strtoupper($operator);

-            switch ($operator) {

-            // case insensitive

-            case 'ILIKE':

-                $match = $field.'LIKE ';

-                break;

-            // case sensitive

-            case 'LIKE':

-                $match = $field.'LIKE ';

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                    'not a supported operator type:'. $operator, __FUNCTION__);

-            }

-        }

-        $match.= "'";

-        foreach ($pattern as $key => $value) {

-            if ($key % 2) {

-                $match.= $value;

-            } else {

-                $match.= $db->escapePattern($db->escape($value));

-            }

-        }

-        $match.= "'";

-        $match.= $this->patternEscapeString();

-        return $match;

-    }

-

-    // }}}

-    // {{{ _mapNativeDatatype()

-

-    /**

-     * Maps a native array description of a field to a MDB2 datatype and length

-     *

-     * @param array  $field native field description

-     * @return array containing the various possible types, length, sign, fixed

-     * @access public

-     */

-    function _mapNativeDatatype($field)

-    {

-        $db_type = strtolower($field['type']);

-        $length = !empty($field['length']) ? $field['length'] : null;

-        $unsigned = !empty($field['unsigned']) ? $field['unsigned'] : null;

-        $fixed = null;

-        $type = array();

-        switch ($db_type) {

-        case 'boolean':

-            $type[] = 'boolean';

-            break;

-        case 'tinyint':

-            $type[] = 'integer';

-            $type[] = 'boolean';

-            if (preg_match('/^(is|has)/', $field['name'])) {

-                $type = array_reverse($type);

-            }

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 1;

-            break;

-        case 'smallint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 2;

-            break;

-        case 'mediumint':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 3;

-            break;

-        case 'int':

-        case 'integer':

-        case 'serial':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 4;

-            break;

-        case 'bigint':

-        case 'bigserial':

-            $type[] = 'integer';

-            $unsigned = preg_match('/ unsigned/i', $field['type']);

-            $length = 8;

-            break;

-        case 'clob':

-            $type[] = 'clob';

-            $fixed  = false;

-            break;

-        case 'tinytext':

-        case 'mediumtext':

-        case 'longtext':

-        case 'text':

-        case 'varchar':

-        case 'varchar2':

-            $fixed = false;

-        case 'char':

-            $type[] = 'text';

-            if ($length == '1') {

-                $type[] = 'boolean';

-                if (preg_match('/^(is|has)/', $field['name'])) {

-                    $type = array_reverse($type);

-                }

-            } elseif (strstr($db_type, 'text')) {

-                $type[] = 'clob';

-                $type = array_reverse($type);

-            }

-            if ($fixed !== false) {

-                $fixed = true;

-            }

-            break;

-        case 'date':

-            $type[] = 'date';

-            $length = null;

-            break;

-        case 'datetime':

-        case 'timestamp':

-            $type[] = 'timestamp';

-            $length = null;

-            break;

-        case 'time':

-            $type[] = 'time';

-            $length = null;

-            break;

-        case 'float':

-        case 'double':

-        case 'real':

-            $type[] = 'float';

-            break;

-        case 'decimal':

-        case 'numeric':

-            $type[] = 'decimal';

-            $length = $length.','.$field['decimal'];

-            break;

-        case 'tinyblob':

-        case 'mediumblob':

-        case 'longblob':

-        case 'blob':

-            $type[] = 'blob';

-            $length = null;

-            break;

-        case 'year':

-            $type[] = 'integer';

-            $type[] = 'date';

-            $length = null;

-            break;

-        default:

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'unknown database attribute type: '.$db_type, __FUNCTION__);

-        }

-

-        if ((int)$length <= 0) {

-            $length = null;

-        }

-

-        return array($type, $length, $unsigned, $fixed);

-    }

-

-    // }}}

-}

-

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 SQLite driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common
+{
+    // {{{ _getCollationFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the COLLATION
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $collation name of the collation
+     *
+     * @return string DBMS specific SQL code portion needed to set the COLLATION
+     *                of a field declaration.
+     */
+    function _getCollationFieldDeclaration($collation)
+    {
+        return 'COLLATE '.$collation;
+    }
+
+    // }}}
+    // {{{ getTypeDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an text type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param array $field  associative array with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      length
+     *          Integer value that determines the maximum length of the text
+     *          field. If this argument is missing the field should be
+     *          declared to have the longest length allowed by the DBMS.
+     *
+     *      default
+     *          Text value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *      declare the specified field.
+     * @access public
+     */
+    function getTypeDeclaration($field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch ($field['type']) {
+        case 'text':
+            $length = !empty($field['length'])
+                ? $field['length'] : false;
+            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+                : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+        case 'clob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYTEXT';
+                } elseif ($length <= 65532) {
+                    return 'TEXT';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMTEXT';
+                }
+            }
+            return 'LONGTEXT';
+        case 'blob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 255) {
+                    return 'TINYBLOB';
+                } elseif ($length <= 65532) {
+                    return 'BLOB';
+                } elseif ($length <= 16777215) {
+                    return 'MEDIUMBLOB';
+                }
+            }
+            return 'LONGBLOB';
+        case 'integer':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 2) {
+                    return 'SMALLINT';
+                } elseif ($length == 3 || $length == 4) {
+                    return 'INTEGER';
+                } elseif ($length > 4) {
+                    return 'BIGINT';
+                }
+            }
+            return 'INTEGER';
+        case 'boolean':
+            return 'BOOLEAN';
+        case 'date':
+            return 'DATE';
+        case 'time':
+            return 'TIME';
+        case 'timestamp':
+            return 'DATETIME';
+        case 'float':
+            return 'DOUBLE'.($db->options['fixed_float'] ? '('.
+                ($db->options['fixed_float']+2).','.$db->options['fixed_float'].')' : '');
+        case 'decimal':
+            $length = !empty($field['length']) ? $field['length'] : 18;
+            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+            return 'DECIMAL('.$length.','.$scale.')';
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _getIntegerDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an integer type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Integer value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getIntegerDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $default = $autoinc = '';
+        if (!empty($field['autoincrement'])) {
+            $autoinc = ' PRIMARY KEY';
+        } elseif (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = empty($field['notnull']) ? null : 0;
+            }
+            $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+        }
+
+        $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+        $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+    }
+
+    // }}}
+    // {{{ matchPattern()
+
+    /**
+     * build a pattern matching string
+     *
+     * @access public
+     *
+     * @param array $pattern even keys are strings, odd are patterns (% and _)
+     * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+     * @param string $field optional field name that is being matched against
+     *                  (might be required when emulating ILIKE)
+     *
+     * @return string SQL pattern
+     */
+    function matchPattern($pattern, $operator = null, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $match = '';
+        if (null !== $operator) {
+            $field = (null === $field) ? '' : $field.' ';
+            $operator = strtoupper($operator);
+            switch ($operator) {
+            // case insensitive
+            case 'ILIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT ILIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            // case sensitive
+            case 'LIKE':
+                $match = $field.'LIKE ';
+                break;
+            case 'NOT LIKE':
+                $match = $field.'NOT LIKE ';
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'not a supported operator type:'. $operator, __FUNCTION__);
+            }
+        }
+        $match.= "'";
+        foreach ($pattern as $key => $value) {
+            if ($key % 2) {
+                $match.= $value;
+            } else {
+                $match.= $db->escapePattern($db->escape($value));
+            }
+        }
+        $match.= "'";
+        $match.= $this->patternEscapeString();
+        return $match;
+    }
+
+    // }}}
+    // {{{ _mapNativeDatatype()
+
+    /**
+     * Maps a native array description of a field to a MDB2 datatype and length
+     *
+     * @param array  $field native field description
+     * @return array containing the various possible types, length, sign, fixed
+     * @access public
+     */
+    function _mapNativeDatatype($field)
+    {
+        $db_type = strtolower($field['type']);
+        $length = !empty($field['length']) ? $field['length'] : null;
+        $unsigned = !empty($field['unsigned']) ? $field['unsigned'] : null;
+        $fixed = null;
+        $type = array();
+        switch ($db_type) {
+        case 'boolean':
+            $type[] = 'boolean';
+            break;
+        case 'tinyint':
+            $type[] = 'integer';
+            $type[] = 'boolean';
+            if (preg_match('/^(is|has)/', $field['name'])) {
+                $type = array_reverse($type);
+            }
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 1;
+            break;
+        case 'smallint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 2;
+            break;
+        case 'mediumint':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 3;
+            break;
+        case 'int':
+        case 'integer':
+        case 'serial':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 4;
+            break;
+        case 'bigint':
+        case 'bigserial':
+            $type[] = 'integer';
+            $unsigned = preg_match('/ unsigned/i', $field['type']);
+            $length = 8;
+            break;
+        case 'clob':
+            $type[] = 'clob';
+            $fixed  = false;
+            break;
+        case 'tinytext':
+        case 'mediumtext':
+        case 'longtext':
+        case 'text':
+        case 'varchar':
+        case 'varchar2':
+            $fixed = false;
+        case 'char':
+            $type[] = 'text';
+            if ($length == '1') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            } elseif (strstr($db_type, 'text')) {
+                $type[] = 'clob';
+                $type = array_reverse($type);
+            }
+            if ($fixed !== false) {
+                $fixed = true;
+            }
+            break;
+        case 'date':
+            $type[] = 'date';
+            $length = null;
+            break;
+        case 'datetime':
+        case 'timestamp':
+            $type[] = 'timestamp';
+            $length = null;
+            break;
+        case 'time':
+            $type[] = 'time';
+            $length = null;
+            break;
+        case 'float':
+        case 'double':
+        case 'real':
+            $type[] = 'float';
+            break;
+        case 'decimal':
+        case 'numeric':
+            $type[] = 'decimal';
+            $length = $length.','.$field['decimal'];
+            break;
+        case 'tinyblob':
+        case 'mediumblob':
+        case 'longblob':
+        case 'blob':
+            $type[] = 'blob';
+            $length = null;
+            break;
+        case 'year':
+            $type[] = 'integer';
+            $type[] = 'date';
+            $length = null;
+            break;
+        default:
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unknown database attribute type: '.$db_type, __FUNCTION__);
+        }
+
+        if ((int)$length <= 0) {
+            $length = null;
+        }
+
+        return array($type, $length, $unsigned, $fixed);
+    }
+
+    // }}}
+}
+
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Datatype/sqlsrv.php b/program/lib/MDB2/Driver/Datatype/sqlsrv.php
new file mode 100644
index 000000000..078c2a9b2
--- /dev/null
+++ b/program/lib/MDB2/Driver/Datatype/sqlsrv.php
@@ -0,0 +1,451 @@
+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Daniel Convissor <danielc@php.net>                          |
+// +----------------------------------------------------------------------+
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MS SQL driver
+ *
+ * @package MDB2
+ * @category Database
+ */
+class MDB2_Driver_Datatype_sqlsrv extends MDB2_Driver_Datatype_Common
+{
+    // {{{ _baseConvertResult()
+
+    /**
+     * general type conversion method
+     *
+     * @param mixed   $value refernce to a value to be converted
+     * @param string  $type  specifies which type to convert to
+     * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+     * @return object a MDB2 error on failure
+     * @access protected
+     */
+    function _baseConvertResult($value, $type, $rtrim = true)
+    {
+        if (null === $value) {
+            return null;
+        }
+        switch ($type) {
+        case 'boolean':
+            return $value == '1';
+        case 'date':
+            if (strlen($value) > 10) {
+                $value = substr($value,0,10);
+            }
+            return $value;
+        case 'time':
+            if (strlen($value) > 8) {
+                $value = substr($value,11,8);
+            }
+            return $value;
+        }
+        return parent::_baseConvertResult($value, $type, $rtrim);
+    }
+
+    // }}}
+    // {{{ _getCollationFieldDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to set the COLLATION
+     * of a field declaration to be used in statements like CREATE TABLE.
+     *
+     * @param string $collation name of the collation
+     *
+     * @return string DBMS specific SQL code portion needed to set the COLLATION
+     *                of a field declaration.
+     */
+    function _getCollationFieldDeclaration($collation)
+    {
+        return 'COLLATE '.$collation;
+    }
+
+    // }}}
+    // {{{ getTypeDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an text type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param array $field  associative array with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      length
+     *          Integer value that determines the maximum length of the text
+     *          field. If this argument is missing the field should be
+     *          declared to have the longest length allowed by the DBMS.
+     *
+     *      default
+     *          Text value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *      declare the specified field.
+     * @access public
+     */
+    function getTypeDeclaration($field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch ($field['type']) {
+        case 'text':
+            $length = !empty($field['length'])
+                ? $field['length'] : false;
+            $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+            return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+                : ($length ? 'VARCHAR('.$length.')' : 'VARCHAR(MAX)');
+        case 'clob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 8000) {
+                    return 'VARCHAR('.$length.')';
+                }
+             }
+             return 'VARCHAR(MAX)';
+        case 'blob':
+            if (!empty($field['length'])) {
+                $length = $field['length'];
+                if ($length <= 8000) {
+                    return "VARBINARY($length)";
+                }
+            }
+            return 'IMAGE';
+        case 'integer':
+            return 'INT';
+        case 'boolean':
+            return 'BIT';
+        case 'date':
+            return 'CHAR ('.strlen('YYYY-MM-DD').')';
+        case 'time':
+            return 'CHAR ('.strlen('HH:MM:SS').')';
+        case 'timestamp':
+            return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
+        case 'float':
+            return 'FLOAT';
+        case 'decimal':
+            $length = !empty($field['length']) ? $field['length'] : 18;
+            $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+            return 'DECIMAL('.$length.','.$scale.')';
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _getIntegerDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an integer type
+     * field to be used in statements like CREATE TABLE.
+     *
+     * @param string  $name   name the field to be declared.
+     * @param string  $field  associative array with the name of the properties
+     *                        of the field being declared as array indexes.
+     *                        Currently, the types of supported field
+     *                        properties are as follows:
+     *
+     *                       unsigned
+     *                        Boolean flag that indicates whether the field
+     *                        should be declared as unsigned integer if
+     *                        possible.
+     *
+     *                       default
+     *                        Integer value to be used as default for this
+     *                        field.
+     *
+     *                       notnull
+     *                        Boolean flag that indicates whether this field is
+     *                        constrained to not be set to null.
+     * @return string  DBMS specific SQL code portion that should be used to
+     *                 declare the specified field.
+     * @access protected
+     */
+    function _getIntegerDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+        $default = $autoinc = '';
+        if (!empty($field['autoincrement'])) {
+            $autoinc = ' IDENTITY PRIMARY KEY';
+        } elseif (array_key_exists('default', $field)) {
+            if ($field['default'] === '') {
+                $field['default'] = 0;
+            }
+            if (null === $field['default']) {
+                $default = ' DEFAULT (NULL)';
+            } else {
+                $default = ' DEFAULT (' . $this->quote($field['default'], 'integer') . ')';
+            }
+        }
+
+        if (!empty($field['unsigned'])) {
+            $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$notnull.$default.$autoinc;
+    }
+
+    // }}}
+    // {{{ _getCLOBDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an character
+     * large object type field to be used in statements like CREATE TABLE.
+     *
+     * @param string $name name the field to be declared.
+     * @param array $field associative array with the name of the properties
+     *        of the field being declared as array indexes. Currently, the types
+     *        of supported field properties are as follows:
+     *
+     *        length
+     *            Integer value that determines the maximum length of the large
+     *            object field. If this argument is missing the field should be
+     *            declared to have the longest length allowed by the DBMS.
+     *
+     *        notnull
+     *            Boolean flag that indicates whether this field is constrained
+     *            to not be set to null.
+     * @return string DBMS specific SQL code portion that should be used to
+     *        declare the specified field.
+     * @access public
+     */
+    function _getCLOBDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$notnull;
+    }
+
+    // }}}
+    // {{{ _getBLOBDeclaration()
+
+    /**
+     * Obtain DBMS specific SQL code portion needed to declare an binary large
+     * object type field to be used in statements like CREATE TABLE.
+     *
+     * @param string $name name the field to be declared.
+     * @param array $field associative array with the name of the properties
+     *        of the field being declared as array indexes. Currently, the types
+     *        of supported field properties are as follows:
+     *
+     *        length
+     *            Integer value that determines the maximum length of the large
+     *            object field. If this argument is missing the field should be
+     *            declared to have the longest length allowed by the DBMS.
+     *
+     *        notnull
+     *            Boolean flag that indicates whether this field is constrained
+     *            to not be set to null.
+     * @return string DBMS specific SQL code portion that should be used to
+     *        declare the specified field.
+     * @access protected
+     */
+    function _getBLOBDeclaration($name, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+        $name = $db->quoteIdentifier($name, true);
+        return $name.' '.$this->getTypeDeclaration($field).$notnull;
+    }
+
+    // }}}
+    // {{{ _quoteBLOB()
+
+    /**
+     * Convert a text value into a DBMS specific format that is suitable to
+     * compose query statements.
+     *
+     * @param string $value text string value that is intended to be converted.
+     * @param bool $quote determines if the value should be quoted and escaped
+     * @param bool $escape_wildcards if to escape escape wildcards
+     * @return string  text string that represents the given argument value in
+     *                 a DBMS specific format.
+     * @access protected
+     */
+    function _quoteBLOB($value, $quote, $escape_wildcards)
+    {
+        if (!$quote) {
+            return $value;
+        }
+        $value = '0x'.bin2hex($this->_readFile($value));
+        return $value;
+    }
+
+    // }}}
+    // {{{ _mapNativeDatatype()
+
+    /**
+     * Maps a native array description of a field to a MDB2 datatype and length
+     *
+     * @param array  $field native field description
+     * @return array containing the various possible types, length, sign, fixed
+     * @access public
+     */
+    function _mapNativeDatatype($field)
+    {
+        // todo: handle length of various int variations
+        $db_type = $field['type'];
+        $length = $field['length'];
+        $type = array();
+        // todo: unsigned handling seems to be missing
+        $unsigned = $fixed = null;
+        switch ($db_type) {
+        case 'bit':
+        case SQLSRV_SQLTYPE_BIT:
+            $type[0] = 'boolean';
+            break;
+        case 'tinyint':
+        case SQLSRV_SQLTYPE_TINYINT:
+            $type[0] = 'integer';
+            $length = 1;
+            break;
+        case 'smallint':
+        case SQLSRV_SQLTYPE_SMALLINT:
+            $type[0] = 'integer';
+            $length = 2;
+            break;
+        case 'int':
+        case SQLSRV_SQLTYPE_INT:
+            $type[0] = 'integer';
+            $length = 4;
+            break;
+        case 'bigint':
+        case SQLSRV_SQLTYPE_BIGINT:
+            $type[0] = 'integer';
+            $length = 8;
+            break;
+        case 'datetime':
+        case SQLSRV_SQLTYPE_DATETIME:
+            $type[0] = 'timestamp';
+            break;
+        case 'float':
+        case SQLSRV_SQLTYPE_FLOAT:
+        case 'real':
+        case SQLSRV_SQLTYPE_REAL:
+            $type[0] = 'float';
+            break;
+        case 'numeric':
+        case SQLSRV_SQLTYPE_NUMERIC:
+        case 'decimal':
+        case SQLSRV_SQLTYPE_DECIMAL:
+        case 'money':
+        case SQLSRV_SQLTYPE_MONEY:
+            $type[0] = 'decimal';
+            $length = $field['numeric_precision'].','.$field['numeric_scale'];
+            break;
+        case 'text':
+        case SQLSRV_SQLTYPE_TEXT:
+        case 'ntext':
+        case SQLSRV_SQLTYPE_NTEXT:
+        case 'varchar':
+        case SQLSRV_SQLTYPE_VARCHAR:
+        case 'nvarchar':
+        case SQLSRV_SQLTYPE_NVARCHAR:
+            $fixed = false;
+        case 'char':
+        case SQLSRV_SQLTYPE_CHAR:
+        case 'nchar':
+        case SQLSRV_SQLTYPE_NCHAR:
+            $type[0] = 'text';
+            if ($length == '1') {
+                $type[] = 'boolean';
+                if (preg_match('/^(is|has)/', $field['name'])) {
+                    $type = array_reverse($type);
+                }
+            } elseif (strstr($db_type, 'text') || strstr($db_type, SQLSRV_SQLTYPE_TEXT)) {
+                $type[] = 'clob';
+                $type = array_reverse($type);
+            }
+            if ($fixed !== false) {
+                $fixed = true;
+            }
+            break;
+        case 'image':
+        case SQLSRV_SQLTYPE_IMAGE:
+        case 'varbinary':
+        case SQLSRV_SQLTYPE_VARBINARY:
+            $type[] = 'blob';
+            $length = null;
+            break;
+        default:
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unknown database attribute type: '.$db_type, __FUNCTION__);
+        }
+
+        if ((int)$length <= 0) {
+            $length = null;
+        }
+
+        return array($type, $length, $unsigned, $fixed);
+    }
+    // }}}
+}
+
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/Common.php b/program/lib/MDB2/Driver/Function/Common.php
index d361b5586..78922551f 100644
--- a/program/lib/MDB2/Driver/Function/Common.php
+++ b/program/lib/MDB2/Driver/Function/Common.php
@@ -1,293 +1,293 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: Common.php,v 1.21 2008/02/17 18:51:39 quipo Exp $

-//

-

-/**

- * @package  MDB2

- * @category Database

- * @author   Lukas Smith <smith@pooteeweet.org>

- */

-

-/**

- * Base class for the function modules that is extended by each MDB2 driver

- *

- * To load this module in the MDB2 object:

- * $mdb->loadModule('Function');

- *

- * @package  MDB2

- * @category Database

- * @author   Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_Common extends MDB2_Module_Common

-{

-    // {{{ executeStoredProc()

-

-    /**

-     * Execute a stored procedure and return any results

-     *

-     * @param string $name string that identifies the function to execute

-     * @param mixed  $params  array that contains the paramaters to pass the stored proc

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     *

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-        return $error;

-    }

-

-    // }}}

-    // {{{ functionTable()

-

-    /**

-     * return string for internal table used when calling only a function

-     *

-     * @return string for internal table used when calling only a function

-     * @access public

-     */

-    function functionTable()

-    {

-        return '';

-    }

-

-    // }}}

-    // {{{ now()

-

-    /**

-     * Return string to call a variable with the current timestamp inside an SQL statement

-     * There are three special variables for current date and time:

-     * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)

-     * - CURRENT_DATE (date, DATE type)

-     * - CURRENT_TIME (time, TIME type)

-     *

-     * @param string $type 'timestamp' | 'time' | 'date'

-     *

-     * @return string to call a variable with the current timestamp

-     * @access public

-     */

-    function now($type = 'timestamp')

-    {

-        switch ($type) {

-        case 'time':

-            return 'CURRENT_TIME';

-        case 'date':

-            return 'CURRENT_DATE';

-        case 'timestamp':

-        default:

-            return 'CURRENT_TIMESTAMP';

-        }

-    }

-

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-        return $error;

-    }

-

-    // }}}

-    // {{{ substring()

-

-    /**

-     * return string to call a function to get a substring inside an SQL statement

-     *

-     * @return string to call a function to get a substring

-     * @access public

-     */

-    function substring($value, $position = 1, $length = null)

-    {

-        if (!is_null($length)) {

-            return "SUBSTRING($value FROM $position FOR $length)";

-        }

-        return "SUBSTRING($value FROM $position)";

-    }

-

-    // }}}

-    // {{{ replace()

-

-    /**

-     * return string to call a function to get replace inside an SQL statement.

-     *

-     * @return string to call a function to get a replace

-     * @access public

-     */

-    function replace($str, $from_str, $to_str)

-    {

-        return "REPLACE($str, $from_str , $to_str)";

-    }

-

-    // }}}

-    // {{{ concat()

-

-    /**

-     * Returns string to concatenate two or more string parameters

-     *

-     * @param string $value1

-     * @param string $value2

-     * @param string $values...

-     *

-     * @return string to concatenate two strings

-     * @access public

-     */

-    function concat($value1, $value2)

-    {

-        $args = func_get_args();

-        return "(".implode(' || ', $args).")";

-    }

-

-    // }}}

-    // {{{ random()

-

-    /**

-     * return string to call a function to get random value inside an SQL statement

-     *

-     * @return return string to generate float between 0 and 1

-     * @access public

-     */

-    function random()

-    {

-        return 'RAND()';

-    }

-

-    // }}}

-    // {{{ lower()

-

-    /**

-     * return string to call a function to lower the case of an expression

-     *

-     * @param string $expression

-     *

-     * @return return string to lower case of an expression

-     * @access public

-     */

-    function lower($expression)

-    {

-        return "LOWER($expression)";

-    }

-

-    // }}}

-    // {{{ upper()

-

-    /**

-     * return string to call a function to upper the case of an expression

-     *

-     * @param string $expression

-     *

-     * @return return string to upper case of an expression

-     * @access public

-     */

-    function upper($expression)

-    {

-        return "UPPER($expression)";

-    }

-

-    // }}}

-    // {{{ length()

-

-    /**

-     * return string to call a function to get the length of a string expression

-     *

-     * @param string $expression

-     *

-     * @return return string to get the string expression length

-     * @access public

-     */

-    function length($expression)

-    {

-        return "LENGTH($expression)";

-    }

-

-    // }}}

-    // {{{ guid()

-

-    /**

-     * Returns global unique identifier

-     *

-     * @return string to get global unique identifier

-     * @access public

-     */

-    function guid()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-        return $error;

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+/**
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ */
+
+/**
+ * Base class for the function modules that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Function');
+ *
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_Common extends MDB2_Module_Common
+{
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     *
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+        return $error;
+    }
+
+    // }}}
+    // {{{ functionTable()
+
+    /**
+     * return string for internal table used when calling only a function
+     *
+     * @return string for internal table used when calling only a function
+     * @access public
+     */
+    function functionTable()
+    {
+        return '';
+    }
+
+    // }}}
+    // {{{ now()
+
+    /**
+     * Return string to call a variable with the current timestamp inside an SQL statement
+     * There are three special variables for current date and time:
+     * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
+     * - CURRENT_DATE (date, DATE type)
+     * - CURRENT_TIME (time, TIME type)
+     *
+     * @param string $type 'timestamp' | 'time' | 'date'
+     *
+     * @return string to call a variable with the current timestamp
+     * @access public
+     */
+    function now($type = 'timestamp')
+    {
+        switch ($type) {
+        case 'time':
+            return 'CURRENT_TIME';
+        case 'date':
+            return 'CURRENT_DATE';
+        case 'timestamp':
+        default:
+            return 'CURRENT_TIMESTAMP';
+        }
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+        return $error;
+    }
+
+    // }}}
+    // {{{ substring()
+
+    /**
+     * return string to call a function to get a substring inside an SQL statement
+     *
+     * @return string to call a function to get a substring
+     * @access public
+     */
+    function substring($value, $position = 1, $length = null)
+    {
+        if (null !== $length) {
+            return "SUBSTRING($value FROM $position FOR $length)";
+        }
+        return "SUBSTRING($value FROM $position)";
+    }
+
+    // }}}
+    // {{{ replace()
+
+    /**
+     * return string to call a function to get replace inside an SQL statement.
+     *
+     * @return string to call a function to get a replace
+     * @access public
+     */
+    function replace($str, $from_str, $to_str)
+    {
+        return "REPLACE($str, $from_str , $to_str)";
+    }
+
+    // }}}
+    // {{{ concat()
+
+    /**
+     * Returns string to concatenate two or more string parameters
+     *
+     * @param string $value1
+     * @param string $value2
+     * @param string $values...
+     *
+     * @return string to concatenate two strings
+     * @access public
+     */
+    function concat($value1, $value2)
+    {
+        $args = func_get_args();
+        return "(".implode(' || ', $args).")";
+    }
+
+    // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return return string to generate float between 0 and 1
+     * @access public
+     */
+    function random()
+    {
+        return 'RAND()';
+    }
+
+    // }}}
+    // {{{ lower()
+
+    /**
+     * return string to call a function to lower the case of an expression
+     *
+     * @param string $expression
+     *
+     * @return return string to lower case of an expression
+     * @access public
+     */
+    function lower($expression)
+    {
+        return "LOWER($expression)";
+    }
+
+    // }}}
+    // {{{ upper()
+
+    /**
+     * return string to call a function to upper the case of an expression
+     *
+     * @param string $expression
+     *
+     * @return return string to upper case of an expression
+     * @access public
+     */
+    function upper($expression)
+    {
+        return "UPPER($expression)";
+    }
+
+    // }}}
+    // {{{ length()
+
+    /**
+     * return string to call a function to get the length of a string expression
+     *
+     * @param string $expression
+     *
+     * @return return string to get the string expression length
+     * @access public
+     */
+    function length($expression)
+    {
+        return "LENGTH($expression)";
+    }
+
+    // }}}
+    // {{{ guid()
+
+    /**
+     * Returns global unique identifier
+     *
+     * @return string to get global unique identifier
+     * @access public
+     */
+    function guid()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+        return $error;
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/mssql.php b/program/lib/MDB2/Driver/Function/mssql.php
index 1038901b6..972c5adfe 100644
--- a/program/lib/MDB2/Driver/Function/mssql.php
+++ b/program/lib/MDB2/Driver/Function/mssql.php
@@ -1,193 +1,193 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Frank M. Kromann <frank@kromann.info>                        |

-// +----------------------------------------------------------------------+

-//

-// $Id: mssql.php,v 1.16 2008/02/17 18:54:08 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Function/Common.php';

-

-// {{{ class MDB2_Driver_Function_mssql

-/**

- * MDB2 MSSQL driver for the function modules

- *

- * @package MDB2

- * @category Database

- * @author Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_mssql extends MDB2_Driver_Function_Common

-{

-    // {{{ executeStoredProc()

-

-    /**

-     * Execute a stored procedure and return any results

-     *

-     * @param string $name string that identifies the function to execute

-     * @param mixed  $params  array that contains the paramaters to pass the stored proc

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'EXECUTE '.$name;

-        $query .= $params ? ' '.implode(', ', $params) : '';

-        return $db->query($query, $types, $result_class, $result_wrap_class);

-    }

-

-    // }}}

-    // {{{ now()

-

-    /**

-     * Return string to call a variable with the current timestamp inside an SQL statement

-     * There are three special variables for current date and time:

-     * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)

-     * - CURRENT_DATE (date, DATE type)

-     * - CURRENT_TIME (time, TIME type)

-     *

-     * @return string to call a variable with the current timestamp

-     * @access public

-     */

-    function now($type = 'timestamp')

-    {

-        switch ($type) {

-        case 'time':

-        case 'date':

-        case 'timestamp':

-        default:

-            return 'GETDATE()';

-        }

-    }

-

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        return 'DATEDIFF(second, \'19700101\', '. $expression.') + DATEDIFF(second, GETDATE(), GETUTCDATE())';

-    }

-

-    // }}}

-    // {{{ substring()

-

-    /**

-     * return string to call a function to get a substring inside an SQL statement

-     *

-     * @return string to call a function to get a substring

-     * @access public

-     */

-    function substring($value, $position = 1, $length = null)

-    {

-        if (!is_null($length)) {

-            return "SUBSTRING($value, $position, $length)";

-        }

-        return "SUBSTRING($value, $position, LEN($value) - $position + 1)";

-    }

-

-    // }}}

-    // {{{ concat()

-

-    /**

-     * Returns string to concatenate two or more string parameters

-     *

-     * @param string $value1

-     * @param string $value2

-     * @param string $values...

-     * @return string to concatenate two strings

-     * @access public

-     **/

-    function concat($value1, $value2)

-    {

-        $args = func_get_args();

-        return "(".implode(' + ', $args).")";

-    }

-

-    // }}}

-    // {{{ length()

-

-    /**

-     * return string to call a function to get the length of a string expression

-     *

-     * @param string $expression

-     * @return return string to get the string expression length

-     * @access public

-     */

-    function length($expression)

-    {

-        return "LEN($expression)";

-    }

-

-    // }}}

-    // {{{ guid()

-

-    /**

-     * Returns global unique identifier

-     *

-     * @return string to get global unique identifier

-     * @access public

-     */

-    function guid()

-    {

-        return 'NEWID()';

-    }

-

-    // }}}

-}

-// }}}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Frank M. Kromann <frank@kromann.info>                        |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+// {{{ class MDB2_Driver_Function_mssql
+/**
+ * MDB2 MSSQL driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_mssql extends MDB2_Driver_Function_Common
+{
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'EXECUTE '.$name;
+        $query .= $params ? ' '.implode(', ', $params) : '';
+        return $db->query($query, $types, $result_class, $result_wrap_class);
+    }
+
+    // }}}
+    // {{{ now()
+
+    /**
+     * Return string to call a variable with the current timestamp inside an SQL statement
+     * There are three special variables for current date and time:
+     * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
+     * - CURRENT_DATE (date, DATE type)
+     * - CURRENT_TIME (time, TIME type)
+     *
+     * @return string to call a variable with the current timestamp
+     * @access public
+     */
+    function now($type = 'timestamp')
+    {
+        switch ($type) {
+        case 'time':
+        case 'date':
+        case 'timestamp':
+        default:
+            return 'GETDATE()';
+        }
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'DATEDIFF(second, \'19700101\', '. $expression.') + DATEDIFF(second, GETDATE(), GETUTCDATE())';
+    }
+
+    // }}}
+    // {{{ substring()
+
+    /**
+     * return string to call a function to get a substring inside an SQL statement
+     *
+     * @return string to call a function to get a substring
+     * @access public
+     */
+    function substring($value, $position = 1, $length = null)
+    {
+        if (null !== $length) {
+            return "SUBSTRING($value, $position, $length)";
+        }
+        return "SUBSTRING($value, $position, LEN($value) - $position + 1)";
+    }
+
+    // }}}
+    // {{{ concat()
+
+    /**
+     * Returns string to concatenate two or more string parameters
+     *
+     * @param string $value1
+     * @param string $value2
+     * @param string $values...
+     * @return string to concatenate two strings
+     * @access public
+     **/
+    function concat($value1, $value2)
+    {
+        $args = func_get_args();
+        return "(".implode(' + ', $args).")";
+    }
+
+    // }}}
+    // {{{ length()
+
+    /**
+     * return string to call a function to get the length of a string expression
+     *
+     * @param string $expression
+     * @return return string to get the string expression length
+     * @access public
+     */
+    function length($expression)
+    {
+        return "LEN($expression)";
+    }
+
+    // }}}
+    // {{{ guid()
+
+    /**
+     * Returns global unique identifier
+     *
+     * @return string to get global unique identifier
+     * @access public
+     */
+    function guid()
+    {
+        return 'NEWID()';
+    }
+
+    // }}}
+}
+// }}}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/mysql.php b/program/lib/MDB2/Driver/Function/mysql.php
index d8ae7bbf6..81d9911f3 100644
--- a/program/lib/MDB2/Driver/Function/mysql.php
+++ b/program/lib/MDB2/Driver/Function/mysql.php
@@ -1,136 +1,136 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysql.php,v 1.12 2008/02/17 18:54:08 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Function/Common.php';

-

-/**

- * MDB2 MySQL driver for the function modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_mysql extends MDB2_Driver_Function_Common

-{

-     // }}}

-    // {{{ executeStoredProc()

-

-    /**

-     * Execute a stored procedure and return any results

-     *

-     * @param string $name string that identifies the function to execute

-     * @param mixed  $params  array that contains the paramaters to pass the stored proc

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'CALL '.$name;

-        $query .= $params ? '('.implode(', ', $params).')' : '()';

-        return $db->query($query, $types, $result_class, $result_wrap_class);

-    }

-

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        return 'UNIX_TIMESTAMP('. $expression.')';

-    }

-

-    // }}}

-    // {{{ concat()

-

-    /**

-     * Returns string to concatenate two or more string parameters

-     *

-     * @param string $value1

-     * @param string $value2

-     * @param string $values...

-     * @return string to concatenate two strings

-     * @access public

-     **/

-    function concat($value1, $value2)

-    {

-        $args = func_get_args();

-        return "CONCAT(".implode(', ', $args).")";

-    }

-

-    // }}}

-    // {{{ guid()

-

-    /**

-     * Returns global unique identifier

-     *

-     * @return string to get global unique identifier

-     * @access public

-     */

-    function guid()

-    {

-        return 'UUID()';

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php 253106 2008-02-17 18:54:08Z quipo $
+//
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+/**
+ * MDB2 MySQL driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_mysql extends MDB2_Driver_Function_Common
+{
+     // }}}
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'CALL '.$name;
+        $query .= $params ? '('.implode(', ', $params).')' : '()';
+        return $db->query($query, $types, $result_class, $result_wrap_class);
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'UNIX_TIMESTAMP('. $expression.')';
+    }
+
+    // }}}
+    // {{{ concat()
+
+    /**
+     * Returns string to concatenate two or more string parameters
+     *
+     * @param string $value1
+     * @param string $value2
+     * @param string $values...
+     * @return string to concatenate two strings
+     * @access public
+     **/
+    function concat($value1, $value2)
+    {
+        $args = func_get_args();
+        return "CONCAT(".implode(', ', $args).")";
+    }
+
+    // }}}
+    // {{{ guid()
+
+    /**
+     * Returns global unique identifier
+     *
+     * @return string to get global unique identifier
+     * @access public
+     */
+    function guid()
+    {
+        return 'UUID()';
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/mysqli.php b/program/lib/MDB2/Driver/Function/mysqli.php
index c1fe5d60b..b5adc2ae8 100644
--- a/program/lib/MDB2/Driver/Function/mysqli.php
+++ b/program/lib/MDB2/Driver/Function/mysqli.php
@@ -1,144 +1,144 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysqli.php,v 1.14 2008/02/17 18:54:08 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Function/Common.php';

-

-/**

- * MDB2 MySQLi driver for the function modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_mysqli extends MDB2_Driver_Function_Common

-{

-     // }}}

-    // {{{ executeStoredProc()

-

-    /**

-     * Execute a stored procedure and return any results

-     *

-     * @param string $name string that identifies the function to execute

-     * @param mixed  $params  array that contains the paramaters to pass the stored proc

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $multi_query = $db->getOption('multi_query');

-        if (!$multi_query) {

-            $db->setOption('multi_query', true);

-        }

-        $query = 'CALL '.$name;

-        $query .= $params ? '('.implode(', ', $params).')' : '()';

-        $result =& $db->query($query, $types, $result_class, $result_wrap_class);

-        if (!$multi_query) {

-            $db->setOption('multi_query', false);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        return 'UNIX_TIMESTAMP('. $expression.')';

-    }

-

-    // }}}

-    // {{{ concat()

-

-    /**

-     * Returns string to concatenate two or more string parameters

-     *

-     * @param string $value1

-     * @param string $value2

-     * @param string $values...

-     * @return string to concatenate two strings

-     * @access public

-     **/

-    function concat($value1, $value2)

-    {

-        $args = func_get_args();

-        return "CONCAT(".implode(', ', $args).")";

-    }

-

-    // }}}

-    // {{{ guid()

-

-    /**

-     * Returns global unique identifier

-     *

-     * @return string to get global unique identifier

-     * @access public

-     */

-    function guid()

-    {

-        return 'UUID()';

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php 253106 2008-02-17 18:54:08Z quipo $
+//
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_mysqli extends MDB2_Driver_Function_Common
+{
+     // }}}
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $multi_query = $db->getOption('multi_query');
+        if (!$multi_query) {
+            $db->setOption('multi_query', true);
+        }
+        $query = 'CALL '.$name;
+        $query .= $params ? '('.implode(', ', $params).')' : '()';
+        $result =& $db->query($query, $types, $result_class, $result_wrap_class);
+        if (!$multi_query) {
+            $db->setOption('multi_query', false);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'UNIX_TIMESTAMP('. $expression.')';
+    }
+
+    // }}}
+    // {{{ concat()
+
+    /**
+     * Returns string to concatenate two or more string parameters
+     *
+     * @param string $value1
+     * @param string $value2
+     * @param string $values...
+     * @return string to concatenate two strings
+     * @access public
+     **/
+    function concat($value1, $value2)
+    {
+        $args = func_get_args();
+        return "CONCAT(".implode(', ', $args).")";
+    }
+
+    // }}}
+    // {{{ guid()
+
+    /**
+     * Returns global unique identifier
+     *
+     * @return string to get global unique identifier
+     * @access public
+     */
+    function guid()
+    {
+        return 'UUID()';
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/pgsql.php b/program/lib/MDB2/Driver/Function/pgsql.php
index 8b23ec659..75cad08eb 100644
--- a/program/lib/MDB2/Driver/Function/pgsql.php
+++ b/program/lib/MDB2/Driver/Function/pgsql.php
@@ -1,115 +1,115 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Paul Cooper <pgc@ucecom.com>                                 |

-// +----------------------------------------------------------------------+

-//

-// $Id: pgsql.php,v 1.10 2008/02/17 18:54:08 quipo Exp $

-

-require_once 'MDB2/Driver/Function/Common.php';

-

-/**

- * MDB2 MySQL driver for the function modules

- *

- * @package MDB2

- * @category Database

- * @author Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_pgsql extends MDB2_Driver_Function_Common

-{

-    // {{{ executeStoredProc()

-

-    /**

-     * Execute a stored procedure and return any results

-     *

-     * @param string $name string that identifies the function to execute

-     * @param mixed  $params  array that contains the paramaters to pass the stored proc

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SELECT * FROM '.$name;

-        $query .= $params ? '('.implode(', ', $params).')' : '()';

-        return $db->query($query, $types, $result_class, $result_wrap_class);

-    }

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        return 'EXTRACT(EPOCH FROM DATE_TRUNC(\'seconds\', TIMESTAMP '. $expression.'))';

-    }

-

-    // }}}

-    // {{{ random()

-

-    /**

-     * return string to call a function to get random value inside an SQL statement

-     *

-     * @return return string to generate float between 0 and 1

-     * @access public

-     */

-    function random()

-    {

-        return 'RANDOM()';

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com>                                 |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 268669 2008-11-09 19:46:50Z quipo $
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+/**
+ * MDB2 MySQL driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_pgsql extends MDB2_Driver_Function_Common
+{
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT * FROM '.$name;
+        $query .= $params ? '('.implode(', ', $params).')' : '()';
+        return $db->query($query, $types, $result_class, $result_wrap_class);
+    }
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'EXTRACT(EPOCH FROM DATE_TRUNC(\'seconds\', CAST ((' . $expression . ') AS TIMESTAMP)))';
+    }
+
+    // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return return string to generate float between 0 and 1
+     * @access public
+     */
+    function random()
+    {
+        return 'RANDOM()';
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Function/sqlite.php b/program/lib/MDB2/Driver/Function/sqlite.php
index 2761059d0..307a5c834 100644
--- a/program/lib/MDB2/Driver/Function/sqlite.php
+++ b/program/lib/MDB2/Driver/Function/sqlite.php
@@ -1,162 +1,162 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: sqlite.php,v 1.10 2008/02/17 18:54:08 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Function/Common.php';

-

-/**

- * MDB2 SQLite driver for the function modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Function_sqlite extends MDB2_Driver_Function_Common

-{

-    // {{{ constructor

-

-    /**

-     * Constructor

-     */

-    function __construct($db_index)

-    {

-        parent::__construct($db_index);

-        // create all sorts of UDFs

-    }

-

-    // {{{ now()

-

-    /**

-     * Return string to call a variable with the current timestamp inside an SQL statement

-     * There are three special variables for current date and time.

-     *

-     * @return string to call a variable with the current timestamp

-     * @access public

-     */

-    function now($type = 'timestamp')

-    {

-        switch ($type) {

-        case 'time':

-            return 'time(\'now\')';

-        case 'date':

-            return 'date(\'now\')';

-        case 'timestamp':

-        default:

-            return 'datetime(\'now\')';

-        }

-    }

-

-    // }}}

-    // {{{ unixtimestamp()

-

-    /**

-     * return string to call a function to get the unix timestamp from a iso timestamp

-     *

-     * @param string $expression

-     *

-     * @return string to call a variable with the timestamp

-     * @access public

-     */

-    function unixtimestamp($expression)

-    {

-        return 'strftime("%s",'. $expression.', "utc")';

-    }

-

-    // }}}

-    // {{{ substring()

-

-    /**

-     * return string to call a function to get a substring inside an SQL statement

-     *

-     * @return string to call a function to get a substring

-     * @access public

-     */

-    function substring($value, $position = 1, $length = null)

-    {

-        if (!is_null($length)) {

-            return "substr($value,$position,$length)";

-        }

-        return "substr($value,$position,length($value))";

-    }

-

-    // }}}

-    // {{{ random()

-

-    /**

-     * return string to call a function to get random value inside an SQL statement

-     *

-     * @return return string to generate float between 0 and 1

-     * @access public

-     */

-    function random()

-    {

-        return '((RANDOM()+2147483648)/4294967296)';

-    }

-

-    // }}}

-    // {{{ replace()

-

-    /**

-     * return string to call a function to get a replacement inside an SQL statement.

-     *

-     * @return string to call a function to get a replace

-     * @access public

-     */

-    function replace($str, $from_str, $to_str)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-        return $error;

-    }

-

-    // }}}

-}

-?>

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+/**
+ * MDB2 SQLite driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_sqlite extends MDB2_Driver_Function_Common
+{
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    function __construct($db_index)
+    {
+        parent::__construct($db_index);
+        // create all sorts of UDFs
+    }
+
+    // {{{ now()
+
+    /**
+     * Return string to call a variable with the current timestamp inside an SQL statement
+     * There are three special variables for current date and time.
+     *
+     * @return string to call a variable with the current timestamp
+     * @access public
+     */
+    function now($type = 'timestamp')
+    {
+        switch ($type) {
+        case 'time':
+            return 'time(\'now\')';
+        case 'date':
+            return 'date(\'now\')';
+        case 'timestamp':
+        default:
+            return 'datetime(\'now\')';
+        }
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'strftime("%s",'. $expression.', "utc")';
+    }
+
+    // }}}
+    // {{{ substring()
+
+    /**
+     * return string to call a function to get a substring inside an SQL statement
+     *
+     * @return string to call a function to get a substring
+     * @access public
+     */
+    function substring($value, $position = 1, $length = null)
+    {
+        if (null !== $length) {
+            return "substr($value, $position, $length)";
+        }
+        return "substr($value, $position, length($value))";
+    }
+
+    // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return return string to generate float between 0 and 1
+     * @access public
+     */
+    function random()
+    {
+        return '((RANDOM()+2147483648)/4294967296)';
+    }
+
+    // }}}
+    // {{{ replace()
+
+    /**
+     * return string to call a function to get a replacement inside an SQL statement.
+     *
+     * @return string to call a function to get a replace
+     * @access public
+     */
+    function replace($str, $from_str, $to_str)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+        return $error;
+    }
+
+    // }}}
+}
+?>
diff --git a/program/lib/MDB2/Driver/Function/sqlsrv.php b/program/lib/MDB2/Driver/Function/sqlsrv.php
new file mode 100644
index 000000000..4b1f35a40
--- /dev/null
+++ b/program/lib/MDB2/Driver/Function/sqlsrv.php
@@ -0,0 +1,189 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Frank M. Kromann <frank@kromann.info>                        |
+// +----------------------------------------------------------------------+
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+// {{{ class MDB2_Driver_Function_sqlsrv
+/**
+ * MDB2 MSSQL driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ */
+class MDB2_Driver_Function_sqlsrv extends MDB2_Driver_Function_Common
+{
+    // {{{ executeStoredProc()
+
+    /**
+     * Execute a stored procedure and return any results
+     *
+     * @param string $name string that identifies the function to execute
+     * @param mixed  $params  array that contains the paramaters to pass the stored proc
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'EXECUTE '.$name;
+        $query .= $params ? ' '.implode(', ', $params) : '';
+        return $db->query($query, $types, $result_class, $result_wrap_class);
+    }
+
+    // }}}
+    // {{{ now()
+
+    /**
+     * Return string to call a variable with the current timestamp inside an SQL statement
+     * There are three special variables for current date and time:
+     * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
+     * - CURRENT_DATE (date, DATE type)
+     * - CURRENT_TIME (time, TIME type)
+     *
+     * @return string to call a variable with the current timestamp
+     * @access public
+     */
+    function now($type = 'timestamp')
+    {
+        switch ($type) {
+        case 'time':
+        case 'date':
+        case 'timestamp':
+        default:
+            return 'GETDATE()';
+        }
+    }
+
+    // }}}
+    // {{{ unixtimestamp()
+
+    /**
+     * return string to call a function to get the unix timestamp from a iso timestamp
+     *
+     * @param string $expression
+     *
+     * @return string to call a variable with the timestamp
+     * @access public
+     */
+    function unixtimestamp($expression)
+    {
+        return 'DATEDIFF(second, \'19700101\', '. $expression.') + DATEDIFF(second, GETDATE(), GETUTCDATE())';
+    }
+
+    // }}}
+    // {{{ substring()
+
+    /**
+     * return string to call a function to get a substring inside an SQL statement
+     *
+     * @return string to call a function to get a substring
+     * @access public
+     */
+    function substring($value, $position = 1, $length = null)
+    {
+        if (null !== $length) {
+            return "SUBSTRING($value, $position, $length)";
+        }
+        return "SUBSTRING($value, $position, LEN($value) - $position + 1)";
+    }
+
+    // }}}
+    // {{{ concat()
+
+    /**
+     * Returns string to concatenate two or more string parameters
+     *
+     * @param string $value1
+     * @param string $value2
+     * @param string $values...
+     * @return string to concatenate two strings
+     * @access public
+     **/
+    function concat($value1, $value2)
+    {
+        $args = func_get_args();
+        return "(".implode(' + ', $args).")";
+    }
+
+    // }}}
+    // {{{ length()
+
+    /**
+     * return string to call a function to get the length of a string expression
+     *
+     * @param string $expression
+     * @return return string to get the string expression length
+     * @access public
+     */
+    function length($expression)
+    {
+        return "LEN($expression)";
+    }
+
+    // }}}
+    // {{{ guid()
+
+    /**
+     * Returns global unique identifier
+     *
+     * @return string to get global unique identifier
+     * @access public
+     */
+    function guid()
+    {
+        return 'NEWID()';
+    }
+
+    // }}}
+}
+// }}}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/Common.php b/program/lib/MDB2/Driver/Manager/Common.php
index 672f577ee..f7f07d9ec 100644
--- a/program/lib/MDB2/Driver/Manager/Common.php
+++ b/program/lib/MDB2/Driver/Manager/Common.php
@@ -1,1010 +1,1014 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Authors: Lukas Smith <smith@pooteeweet.org>                          |

-// |          Lorenzo Alberton <l.alberton@quipo.it>                      |

-// +----------------------------------------------------------------------+

-//

-// $Id: Common.php,v 1.71 2008/02/12 23:12:27 quipo Exp $

-//

-

-/**

- * @package  MDB2

- * @category Database

- * @author   Lukas Smith <smith@pooteeweet.org>

- * @author   Lorenzo Alberton <l.alberton@quipo.it>

- */

-

-/**

- * Base class for the management modules that is extended by each MDB2 driver

- *

- * To load this module in the MDB2 object:

- * $mdb->loadModule('Manager');

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Manager_Common extends MDB2_Module_Common

-{

-    // {{{ splitTableSchema()

-

-    /**

-     * Split the "[owner|schema].table" notation into an array

-     * @access private

-     */

-    function splitTableSchema($table)

-    {

-        $ret = array();

-        if (strpos($table, '.') !== false) {

-            return explode('.', $table);

-        }

-        return array(null, $table);

-    }

-

-    // }}}

-    // {{{ getFieldDeclarationList()

-

-    /**

-     * Get declaration of a number of field in bulk

-     *

-     * @param array $fields  a multidimensional associative array.

-     *      The first dimension determines the field name, while the second

-     *      dimension is keyed with the name of the properties

-     *      of the field being declared as array indexes. Currently, the types

-     *      of supported field properties are as follows:

-     *

-     *      default

-     *          Boolean value to be used as default for this field.

-     *

-     *      notnull

-     *          Boolean flag that indicates whether this field is constrained

-     *          to not be set to null.

-     *

-     * @return mixed string on success, a MDB2 error on failure

-     * @access public

-     */

-    function getFieldDeclarationList($fields)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!is_array($fields) || empty($fields)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'missing any fields', __FUNCTION__);

-        }

-        foreach ($fields as $field_name => $field) {

-            $query = $db->getDeclaration($field['type'], $field_name, $field);

-            if (PEAR::isError($query)) {

-                return $query;

-            }

-            $query_fields[] = $query;

-        }

-        return implode(', ', $query_fields);

-    }

-

-    // }}}

-    // {{{ _fixSequenceName()

-

-    /**

-     * Removes any formatting in an sequence name using the 'seqname_format' option

-     *

-     * @param string $sqn string that containts name of a potential sequence

-     * @param bool $check if only formatted sequences should be returned

-     * @return string name of the sequence with possible formatting removed

-     * @access protected

-     */

-    function _fixSequenceName($sqn, $check = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';

-        $seq_name = preg_replace($seq_pattern, '\\1', $sqn);

-        if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {

-            return $seq_name;

-        }

-        if ($check) {

-            return false;

-        }

-        return $sqn;

-    }

-

-    // }}}

-    // {{{ _fixIndexName()

-

-    /**

-     * Removes any formatting in an index name using the 'idxname_format' option

-     *

-     * @param string $idx string that containts name of anl index

-     * @return string name of the index with eventual formatting removed

-     * @access protected

-     */

-    function _fixIndexName($idx)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';

-        $idx_name = preg_replace($idx_pattern, '\\1', $idx);

-        if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {

-            return $idx_name;

-        }

-        return $idx;

-    }

-

-    // }}}

-    // {{{ createDatabase()

-

-    /**

-     * create a new database

-     *

-     * @param string $name    name of the database that should be created

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createDatabase($database, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ alterDatabase()

-

-    /**

-     * alter an existing database

-     *

-     * @param string $name    name of the database that should be created

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function alterDatabase($database, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ dropDatabase()

-

-    /**

-     * drop an existing database

-     *

-     * @param string $name name of the database that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropDatabase($database)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ _getCreateTableQuery()

-

-    /**

-     * Create a basic SQL query for a new table creation

-     *

-     * @param string $name    Name of the database that should be created

-     * @param array  $fields  Associative array that contains the definition of each field of the new table

-     * @param array  $options An associative array of table options

-     *

-     * @return mixed string (the SQL query) on success, a MDB2 error on failure

-     * @see createTable()

-     */

-    function _getCreateTableQuery($name, $fields, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!$name) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,

-                'no valid table name specified', __FUNCTION__);

-        }

-        if (empty($fields)) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,

-                'no fields specified for table "'.$name.'"', __FUNCTION__);

-        }

-        $query_fields = $this->getFieldDeclarationList($fields);

-        if (PEAR::isError($query_fields)) {

-            return $query_fields;

-        }

-        if (!empty($options['primary'])) {

-            $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        $result = 'CREATE ';

-        if (!empty($options['temporary'])) {

-            $result .= $this->_getTemporaryTableQuery();

-        }

-        $result .= " TABLE $name ($query_fields)";

-        return $result;

-    }

-

-    // }}}

-    // {{{ _getTemporaryTableQuery()

-

-    /**

-     * A method to return the required SQL string that fits between CREATE ... TABLE

-     * to create the table as a temporary table.

-     *

-     * Should be overridden in driver classes to return the correct string for the

-     * specific database type.

-     *

-     * The default is to return the string "TEMPORARY" - this will result in a

-     * SQL error for any database that does not support temporary tables, or that

-     * requires a different SQL command from "CREATE TEMPORARY TABLE".

-     *

-     * @return string The string required to be placed between "CREATE" and "TABLE"

-     *                to generate a temporary table, if possible.

-     */

-    function _getTemporaryTableQuery()

-    {

-        return 'TEMPORARY';

-    }

-

-    // }}}

-    // {{{ createTable()

-

-    /**

-     * create a new table

-     *

-     * @param string $name   Name of the database that should be created

-     * @param array $fields  Associative array that contains the definition of each field of the new table

-     *                       The indexes of the array entries are the names of the fields of the table an

-     *                       the array entry values are associative arrays like those that are meant to be

-     *                       passed with the field definitions to get[Type]Declaration() functions.

-     *                          array(

-     *                              'id' => array(

-     *                                  'type' => 'integer',

-     *                                  'unsigned' => 1

-     *                                  'notnull' => 1

-     *                                  'default' => 0

-     *                              ),

-     *                              'name' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              ),

-     *                              'password' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              )

-     *                          );

-     * @param array $options  An associative array of table options:

-     *                          array(

-     *                              'comment' => 'Foo',

-     *                              'temporary' => true|false,

-     *                          );

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createTable($name, $fields, $options = array())

-    {

-        $query = $this->_getCreateTableQuery($name, $fields, $options);

-        if (PEAR::isError($query)) {

-            return $query;

-        }

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        $result = $db->exec($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropTable()

-

-    /**

-     * drop an existing table

-     *

-     * @param string $name name of the table that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("DROP TABLE $name");

-    }

-

-    // }}}

-    // {{{ truncateTable()

-

-    /**

-     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,

-     * it falls back to a DELETE FROM TABLE query)

-     *

-     * @param string $name name of the table that should be truncated

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function truncateTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("DELETE FROM $name");

-    }

-

-    // }}}

-    // {{{ vacuum()

-

-    /**

-     * Optimize (vacuum) all the tables in the db (or only the specified table)

-     * and optionally run ANALYZE.

-     *

-     * @param string $table table name (all the tables if empty)

-     * @param array  $options an array with driver-specific options:

-     *               - timeout [int] (in seconds) [mssql-only]

-     *               - analyze [boolean] [pgsql and mysql]

-     *               - full [boolean] [pgsql-only]

-     *               - freeze [boolean] [pgsql-only]

-     *

-     * @return mixed MDB2_OK success, a MDB2 error on failure

-     * @access public

-     */

-    function vacuum($table = null, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ alterTable()

-

-    /**

-     * alter an existing table

-     *

-     * @param string $name         name of the table that is intended to be changed.

-     * @param array $changes     associative array that contains the details of each type

-     *                             of change that is intended to be performed. The types of

-     *                             changes that are currently supported are defined as follows:

-     *

-     *                             name

-     *

-     *                                New name for the table.

-     *

-     *                            add

-     *

-     *                                Associative array with the names of fields to be added as

-     *                                 indexes of the array. The value of each entry of the array

-     *                                 should be set to another associative array with the properties

-     *                                 of the fields to be added. The properties of the fields should

-     *                                 be the same as defined by the MDB2 parser.

-     *

-     *

-     *                            remove

-     *

-     *                                Associative array with the names of fields to be removed as indexes

-     *                                 of the array. Currently the values assigned to each entry are ignored.

-     *                                 An empty array should be used for future compatibility.

-     *

-     *                            rename

-     *

-     *                                Associative array with the names of fields to be renamed as indexes

-     *                                 of the array. The value of each entry of the array should be set to

-     *                                 another associative array with the entry named name with the new

-     *                                 field name and the entry named Declaration that is expected to contain

-     *                                 the portion of the field declaration already in DBMS specific SQL code

-     *                                 as it is used in the CREATE TABLE statement.

-     *

-     *                            change

-     *

-     *                                Associative array with the names of the fields to be changed as indexes

-     *                                 of the array. Keep in mind that if it is intended to change either the

-     *                                 name of a field and any other properties, the change array entries

-     *                                 should have the new names of the fields as array indexes.

-     *

-     *                                The value of each entry of the array should be set to another associative

-     *                                 array with the properties of the fields to that are meant to be changed as

-     *                                 array entries. These entries should be assigned to the new values of the

-     *                                 respective properties. The properties of the fields should be the same

-     *                                 as defined by the MDB2 parser.

-     *

-     *                            Example

-     *                                array(

-     *                                    'name' => 'userlist',

-     *                                    'add' => array(

-     *                                        'quota' => array(

-     *                                            'type' => 'integer',

-     *                                            'unsigned' => 1

-     *                                        )

-     *                                    ),

-     *                                    'remove' => array(

-     *                                        'file_limit' => array(),

-     *                                        'time_limit' => array()

-     *                                    ),

-     *                                    'change' => array(

-     *                                        'name' => array(

-     *                                            'length' => '20',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 20,

-     *                                            ),

-     *                                        )

-     *                                    ),

-     *                                    'rename' => array(

-     *                                        'sex' => array(

-     *                                            'name' => 'gender',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 1,

-     *                                                'default' => 'M',

-     *                                            ),

-     *                                        )

-     *                                    )

-     *                                )

-     *

-     * @param boolean $check     indicates whether the function should just check if the DBMS driver

-     *                             can perform the requested table alterations if the value is true or

-     *                             actually perform them otherwise.

-     * @access public

-     *

-      * @return mixed MDB2_OK on success, a MDB2 error on failure

-     */

-    function alterTable($name, $changes, $check)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listDatabases()

-

-    /**

-     * list all databases

-     *

-     * @return mixed array of database names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listDatabases()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implementedd', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listUsers()

-

-    /**

-     * list all users

-     *

-     * @return mixed array of user names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listUsers()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listViews()

-

-    /**

-     * list all views in the current database

-     *

-     * @param string database, the current is default

-     *               NB: not all the drivers can get the view names from

-     *               a database other than the current one

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listViews($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listTableViews()

-

-    /**

-     * list the views in the database that reference a given table

-     *

-     * @param string table for which all referenced views should be found

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableViews($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listTableTriggers()

-

-    /**

-     * list all triggers in the database that reference a given table

-     *

-     * @param string table for which all referenced triggers should be found

-     * @return mixed array of trigger names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableTriggers($table = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listFunctions()

-

-    /**

-     * list all functions in the current database

-     *

-     * @return mixed array of function names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listFunctions()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listTables()

-

-    /**

-     * list all tables in the current database

-     *

-     * @param string database, the current is default.

-     *               NB: not all the drivers can get the table names from

-     *               a database other than the current one

-     * @return mixed array of table names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTables($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listTableFields()

-

-    /**

-     * list all fields in a table in the current database

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of field names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableFields($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ createIndex()

-

-    /**

-     * Get the stucture of a field into an array

-     *

-     * @param string    $table         name of the table on which the index is to be created

-     * @param string    $name         name of the index to be created

-     * @param array     $definition        associative array that defines properties of the index to be created.

-     *                                 Currently, only one property named FIELDS is supported. This property

-     *                                 is also an associative with the names of the index fields as array

-     *                                 indexes. Each entry of this array is set to another type of associative

-     *                                 array that specifies properties of the index that are specific to

-     *                                 each field.

-     *

-     *                                Currently, only the sorting property is supported. It should be used

-     *                                 to define the sorting direction of the index. It may be set to either

-     *                                 ascending or descending.

-     *

-     *                                Not all DBMS support index sorting direction configuration. The DBMS

-     *                                 drivers of those that do not support it ignore this property. Use the

-     *                                 function supports() to determine whether the DBMS driver can manage indexes.

-     *

-     *                                 Example

-     *                                    array(

-     *                                        'fields' => array(

-     *                                            'user_name' => array(

-     *                                                'sorting' => 'ascending'

-     *                                            ),

-     *                                            'last_login' => array()

-     *                                        )

-     *                                    )

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createIndex($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "CREATE INDEX $name ON $table";

-        $fields = array();

-        foreach (array_keys($definition['fields']) as $field) {

-            $fields[] = $db->quoteIdentifier($field, true);

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropIndex()

-

-    /**

-     * drop existing index

-     *

-     * @param string    $table         name of table that should be used in method

-     * @param string    $name         name of the index to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropIndex($table, $name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        return $db->exec("DROP INDEX $name");

-    }

-

-    // }}}

-    // {{{ listTableIndexes()

-

-    /**

-     * list all indexes in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of index names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableIndexes($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ _getAdvancedFKOptions()

-

-    /**

-     * Return the FOREIGN KEY query section dealing with non-standard options

-     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...

-     *

-     * @param array $definition

-     * @return string

-     * @access protected

-     */

-    function _getAdvancedFKOptions($definition)

-    {

-        return '';

-    }

-

-    // }}}

-    // {{{ createConstraint()

-

-    /**

-     * create a constraint on a table

-     *

-     * @param string    $table       name of the table on which the constraint is to be created

-     * @param string    $name        name of the constraint to be created

-     * @param array     $definition  associative array that defines properties of the constraint to be created.

-     *                               The full structure of the array looks like this:

-     *          <pre>

-     *          array (

-     *              [primary] => 0

-     *              [unique]  => 0

-     *              [foreign] => 1

-     *              [check]   => 0

-     *              [fields] => array (

-     *                  [field1name] => array() // one entry per each field covered

-     *                  [field2name] => array() // by the index

-     *                  [field3name] => array(

-     *                      [sorting]  => ascending

-     *                      [position] => 3

-     *                  )

-     *              )

-     *              [references] => array(

-     *                  [table] => name

-     *                  [fields] => array(

-     *                      [field1name] => array(  //one entry per each referenced field

-     *                           [position] => 1

-     *                      )

-     *                  )

-     *              )

-     *              [deferrable] => 0

-     *              [initiallydeferred] => 0

-     *              [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION

-     *              [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION

-     *              [match] => SIMPLE|PARTIAL|FULL

-     *          );

-     *          </pre>

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createConstraint($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "ALTER TABLE $table ADD CONSTRAINT $name";

-        if (!empty($definition['primary'])) {

-            $query.= ' PRIMARY KEY';

-        } elseif (!empty($definition['unique'])) {

-            $query.= ' UNIQUE';

-        } elseif (!empty($definition['foreign'])) {

-            $query.= ' FOREIGN KEY';

-        }

-        $fields = array();

-        foreach (array_keys($definition['fields']) as $field) {

-            $fields[] = $db->quoteIdentifier($field, true);

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        if (!empty($definition['foreign'])) {

-            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);

-            $referenced_fields = array();

-            foreach (array_keys($definition['references']['fields']) as $field) {

-                $referenced_fields[] = $db->quoteIdentifier($field, true);

-            }

-            $query .= ' ('. implode(', ', $referenced_fields) . ')';

-            $query .= $this->_getAdvancedFKOptions($definition);

-        }

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropConstraint()

-

-    /**

-     * drop existing constraint

-     *

-     * @param string    $table        name of table that should be used in method

-     * @param string    $name         name of the constraint to be dropped

-     * @param string    $primary      hint if the constraint is primary

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropConstraint($table, $name, $primary = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");

-    }

-

-    // }}}

-    // {{{ listTableConstraints()

-

-    /**

-     * list all constraints in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of constraint names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableConstraints($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ createSequence()

-

-    /**

-     * create sequence

-     *

-     * @param string    $seq_name     name of the sequence to be created

-     * @param string    $start         start value of the sequence; default is 1

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createSequence($seq_name, $start = 1)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ dropSequence()

-

-    /**

-     * drop existing sequence

-     *

-     * @param string    $seq_name     name of the sequence to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropSequence($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listSequences()

-

-    /**

-     * list all sequences in the current database

-     *

-     * @param string database, the current is default

-     *               NB: not all the drivers can get the sequence names from

-     *               a database other than the current one

-     * @return mixed array of sequence names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listSequences($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php 273526 2009-01-14 15:01:21Z quipo $
+//
+
+/**
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ * @author   Lorenzo Alberton <l.alberton@quipo.it>
+ */
+
+/**
+ * Base class for the management modules that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Manager');
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_Common extends MDB2_Module_Common
+{
+    // {{{ splitTableSchema()
+
+    /**
+     * Split the "[owner|schema].table" notation into an array
+     *
+     * @param string $table [schema and] table name
+     *
+     * @return array array(schema, table)
+     * @access private
+     */
+    function splitTableSchema($table)
+    {
+        $ret = array();
+        if (strpos($table, '.') !== false) {
+            return explode('.', $table);
+        }
+        return array(null, $table);
+    }
+
+    // }}}
+    // {{{ getFieldDeclarationList()
+
+    /**
+     * Get declaration of a number of field in bulk
+     *
+     * @param array $fields  a multidimensional associative array.
+     *      The first dimension determines the field name, while the second
+     *      dimension is keyed with the name of the properties
+     *      of the field being declared as array indexes. Currently, the types
+     *      of supported field properties are as follows:
+     *
+     *      default
+     *          Boolean value to be used as default for this field.
+     *
+     *      notnull
+     *          Boolean flag that indicates whether this field is constrained
+     *          to not be set to null.
+     *
+     * @return mixed string on success, a MDB2 error on failure
+     * @access public
+     */
+    function getFieldDeclarationList($fields)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!is_array($fields) || empty($fields)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'missing any fields', __FUNCTION__);
+        }
+        foreach ($fields as $field_name => $field) {
+            $query = $db->getDeclaration($field['type'], $field_name, $field);
+            if (PEAR::isError($query)) {
+                return $query;
+            }
+            $query_fields[] = $query;
+        }
+        return implode(', ', $query_fields);
+    }
+
+    // }}}
+    // {{{ _fixSequenceName()
+
+    /**
+     * Removes any formatting in an sequence name using the 'seqname_format' option
+     *
+     * @param string $sqn string that containts name of a potential sequence
+     * @param bool $check if only formatted sequences should be returned
+     * @return string name of the sequence with possible formatting removed
+     * @access protected
+     */
+    function _fixSequenceName($sqn, $check = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';
+        $seq_name = preg_replace($seq_pattern, '\\1', $sqn);
+        if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {
+            return $seq_name;
+        }
+        if ($check) {
+            return false;
+        }
+        return $sqn;
+    }
+
+    // }}}
+    // {{{ _fixIndexName()
+
+    /**
+     * Removes any formatting in an index name using the 'idxname_format' option
+     *
+     * @param string $idx string that containts name of anl index
+     * @return string name of the index with eventual formatting removed
+     * @access protected
+     */
+    function _fixIndexName($idx)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';
+        $idx_name = preg_replace($idx_pattern, '\\1', $idx);
+        if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {
+            return $idx_name;
+        }
+        return $idx;
+    }
+
+    // }}}
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($database, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ alterDatabase()
+
+    /**
+     * alter an existing database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterDatabase($database, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($database)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ _getCreateTableQuery()
+
+    /**
+     * Create a basic SQL query for a new table creation
+     *
+     * @param string $name    Name of the database that should be created
+     * @param array  $fields  Associative array that contains the definition of each field of the new table
+     * @param array  $options An associative array of table options
+     *
+     * @return mixed string (the SQL query) on success, a MDB2 error on failure
+     * @see createTable()
+     */
+    function _getCreateTableQuery($name, $fields, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!$name) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no valid table name specified', __FUNCTION__);
+        }
+        if (empty($fields)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no fields specified for table "'.$name.'"', __FUNCTION__);
+        }
+        $query_fields = $this->getFieldDeclarationList($fields);
+        if (PEAR::isError($query_fields)) {
+            return $query_fields;
+        }
+        if (!empty($options['primary'])) {
+            $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        $result = 'CREATE ';
+        if (!empty($options['temporary'])) {
+            $result .= $this->_getTemporaryTableQuery();
+        }
+        $result .= " TABLE $name ($query_fields)";
+        return $result;
+    }
+
+    // }}}
+    // {{{ _getTemporaryTableQuery()
+
+    /**
+     * A method to return the required SQL string that fits between CREATE ... TABLE
+     * to create the table as a temporary table.
+     *
+     * Should be overridden in driver classes to return the correct string for the
+     * specific database type.
+     *
+     * The default is to return the string "TEMPORARY" - this will result in a
+     * SQL error for any database that does not support temporary tables, or that
+     * requires a different SQL command from "CREATE TEMPORARY TABLE".
+     *
+     * @return string The string required to be placed between "CREATE" and "TABLE"
+     *                to generate a temporary table, if possible.
+     */
+    function _getTemporaryTableQuery()
+    {
+        return 'TEMPORARY';
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name   Name of the database that should be created
+     * @param array $fields  Associative array that contains the definition of each field of the new table
+     *                       The indexes of the array entries are the names of the fields of the table an
+     *                       the array entry values are associative arrays like those that are meant to be
+     *                       passed with the field definitions to get[Type]Declaration() functions.
+     *                          array(
+     *                              'id' => array(
+     *                                  'type' => 'integer',
+     *                                  'unsigned' => 1
+     *                                  'notnull' => 1
+     *                                  'default' => 0
+     *                              ),
+     *                              'name' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              ),
+     *                              'password' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              )
+     *                          );
+     * @param array $options  An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'temporary' => true|false,
+     *                          );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields, $options = array())
+    {
+        $query = $this->_getCreateTableQuery($name, $fields, $options);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $result = $db->exec($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("DROP TABLE $name");
+    }
+
+    // }}}
+    // {{{ truncateTable()
+
+    /**
+     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+     * it falls back to a DELETE FROM TABLE query)
+     *
+     * @param string $name name of the table that should be truncated
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function truncateTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("DELETE FROM $name");
+    }
+
+    // }}}
+    // {{{ vacuum()
+
+    /**
+     * Optimize (vacuum) all the tables in the db (or only the specified table)
+     * and optionally run ANALYZE.
+     *
+     * @param string $table table name (all the tables if empty)
+     * @param array  $options an array with driver-specific options:
+     *               - timeout [int] (in seconds) [mssql-only]
+     *               - analyze [boolean] [pgsql and mysql]
+     *               - full [boolean] [pgsql-only]
+     *               - freeze [boolean] [pgsql-only]
+     *
+     * @return mixed MDB2_OK success, a MDB2 error on failure
+     * @access public
+     */
+    function vacuum($table = null, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the MDB2 parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the MDB2 parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                    ),
+     *                                    'change' => array(
+     *                                        'name' => array(
+     *                                            'length' => '20',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 20,
+     *                                            ),
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 1,
+     *                                                'default' => 'M',
+     *                                            ),
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed array of database names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implementedd', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed array of user names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @param string database, the current is default
+     *               NB: not all the drivers can get the view names from
+     *               a database other than the current one
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listTableViews()
+
+    /**
+     * list the views in the database that reference a given table
+     *
+     * @param string table for which all referenced views should be found
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableViews($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listTableTriggers()
+
+    /**
+     * list all triggers in the database that reference a given table
+     *
+     * @param string table for which all referenced triggers should be found
+     * @return mixed array of trigger names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableTriggers($table = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed array of function names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @param string database, the current is default.
+     *               NB: not all the drivers can get the table names from
+     *               a database other than the current one
+     * @return mixed array of table names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a table in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of field names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * Get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "CREATE INDEX $name ON $table";
+        $fields = array();
+        foreach (array_keys($definition['fields']) as $field) {
+            $fields[] = $db->quoteIdentifier($field, true);
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        return $db->exec("DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of index names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ _getAdvancedFKOptions()
+
+    /**
+     * Return the FOREIGN KEY query section dealing with non-standard options
+     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+     *
+     * @param array $definition
+     * @return string
+     * @access protected
+     */
+    function _getAdvancedFKOptions($definition)
+    {
+        return '';
+    }
+
+    // }}}
+    // {{{ createConstraint()
+
+    /**
+     * create a constraint on a table
+     *
+     * @param string    $table       name of the table on which the constraint is to be created
+     * @param string    $name        name of the constraint to be created
+     * @param array     $definition  associative array that defines properties of the constraint to be created.
+     *                               The full structure of the array looks like this:
+     *          <pre>
+     *          array (
+     *              [primary] => 0
+     *              [unique]  => 0
+     *              [foreign] => 1
+     *              [check]   => 0
+     *              [fields] => array (
+     *                  [field1name] => array() // one entry per each field covered
+     *                  [field2name] => array() // by the index
+     *                  [field3name] => array(
+     *                      [sorting]  => ascending
+     *                      [position] => 3
+     *                  )
+     *              )
+     *              [references] => array(
+     *                  [table] => name
+     *                  [fields] => array(
+     *                      [field1name] => array(  //one entry per each referenced field
+     *                           [position] => 1
+     *                      )
+     *                  )
+     *              )
+     *              [deferrable] => 0
+     *              [initiallydeferred] => 0
+     *              [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+     *              [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+     *              [match] => SIMPLE|PARTIAL|FULL
+     *          );
+     *          </pre>
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createConstraint($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "ALTER TABLE $table ADD CONSTRAINT $name";
+        if (!empty($definition['primary'])) {
+            $query.= ' PRIMARY KEY';
+        } elseif (!empty($definition['unique'])) {
+            $query.= ' UNIQUE';
+        } elseif (!empty($definition['foreign'])) {
+            $query.= ' FOREIGN KEY';
+        }
+        $fields = array();
+        foreach (array_keys($definition['fields']) as $field) {
+            $fields[] = $db->quoteIdentifier($field, true);
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        if (!empty($definition['foreign'])) {
+            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+            $referenced_fields = array();
+            foreach (array_keys($definition['references']['fields']) as $field) {
+                $referenced_fields[] = $db->quoteIdentifier($field, true);
+            }
+            $query .= ' ('. implode(', ', $referenced_fields) . ')';
+            $query .= $this->_getAdvancedFKOptions($definition);
+        }
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropConstraint()
+
+    /**
+     * drop existing constraint
+     *
+     * @param string    $table        name of table that should be used in method
+     * @param string    $name         name of the constraint to be dropped
+     * @param string    $primary      hint if the constraint is primary
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropConstraint($table, $name, $primary = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");
+    }
+
+    // }}}
+    // {{{ listTableConstraints()
+
+    /**
+     * list all constraints in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of constraint names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableConstraints($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @param string database, the current is default
+     *               NB: not all the drivers can get the sequence names from
+     *               a database other than the current one
+     * @return mixed array of sequence names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php
index fc260f8e6..16e1bbe38 100644
--- a/program/lib/MDB2/Driver/Manager/mssql.php
+++ b/program/lib/MDB2/Driver/Manager/mssql.php
@@ -44,7 +44,7 @@
 // |          Lorenzo Alberton <l.alberton@quipo.it>                      |
 // +----------------------------------------------------------------------+
 //
-// $Id: mssql.php,v 1.109 2008/03/05 12:55:57 afz Exp $
+// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
 //
 
 require_once 'MDB2/Driver/Manager/Common.php';
@@ -715,11 +715,11 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
             return $db;
         }
 
-        $table = $db->quoteIdentifier($table, true);
+        $table = $db->quote($table, 'text');
         $columns = $db->queryCol("SELECT c.name
                                     FROM syscolumns c
                                LEFT JOIN sysobjects o ON c.id = o.id
-                                   WHERE o.name = '$table'");
+                                   WHERE o.name = $table");
         if (PEAR::isError($columns)) {
             return $columns;
         }
@@ -893,7 +893,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
                     FROM sysobjects o
                    WHERE xtype = 'TR'
                      AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0";
-        if (!is_null($table)) {
+        if (null !== $table) {
             $query .= " AND object_name(parent_obj) = $table";
         }
 
@@ -994,12 +994,12 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
         if (PEAR::isError($db)) {
             return $db;
         }
-        $table = $db->quoteIdentifier($table, true);
+        $table = $db->quote($table, 'text');
 
         $query = "SELECT c.constraint_name
                     FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
                    WHERE c.constraint_catalog = DB_NAME()
-                     AND c.table_name = '$table'";
+                     AND c.table_name = $table";
         $constraints = $db->queryCol($query);
         if (PEAR::isError($constraints)) {
             return $constraints;
diff --git a/program/lib/MDB2/Driver/Manager/mysql.php b/program/lib/MDB2/Driver/Manager/mysql.php
index a055d8d01..2fb15aac1 100644
--- a/program/lib/MDB2/Driver/Manager/mysql.php
+++ b/program/lib/MDB2/Driver/Manager/mysql.php
@@ -1,1418 +1,1438 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysql.php,v 1.108 2008/03/11 19:58:12 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Manager/Common.php';

-

-/**

- * MDB2 MySQL driver for the management modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common

-{

-

-    // }}}

-    // {{{ createDatabase()

-

-    /**

-     * create a new database

-     *

-     * @param string $name    name of the database that should be created

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createDatabase($name, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name  = $db->quoteIdentifier($name, true);

-        $query = 'CREATE DATABASE ' . $name;

-        if (!empty($options['charset'])) {

-            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');

-        }

-        if (!empty($options['collation'])) {

-            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');

-        }

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ alterDatabase()

-

-    /**

-     * alter an existing database

-     *

-     * @param string $name    name of the database that is intended to be changed

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function alterDatabase($name, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);

-        if (!empty($options['charset'])) {

-            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');

-        }

-        if (!empty($options['collation'])) {

-            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');

-        }

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ dropDatabase()

-

-    /**

-     * drop an existing database

-     *

-     * @param string $name name of the database that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropDatabase($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        $query = "DROP DATABASE $name";

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ _getAdvancedFKOptions()

-

-    /**

-     * Return the FOREIGN KEY query section dealing with non-standard options

-     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...

-     *

-     * @param array $definition

-     * @return string

-     * @access protected

-     */

-    function _getAdvancedFKOptions($definition)

-    {

-        $query = '';

-        if (!empty($definition['match'])) {

-            $query .= ' MATCH '.$definition['match'];

-        }

-        if (!empty($definition['onupdate'])) {

-            $query .= ' ON UPDATE '.$definition['onupdate'];

-        }

-        if (!empty($definition['ondelete'])) {

-            $query .= ' ON DELETE '.$definition['ondelete'];

-        }

-        return $query;

-    }

-

-    // }}}

-    // {{{ createTable()

-

-    /**

-     * create a new table

-     *

-     * @param string $name   Name of the database that should be created

-     * @param array $fields  Associative array that contains the definition of each field of the new table

-     *                       The indexes of the array entries are the names of the fields of the table an

-     *                       the array entry values are associative arrays like those that are meant to be

-     *                       passed with the field definitions to get[Type]Declaration() functions.

-     *                          array(

-     *                              'id' => array(

-     *                                  'type' => 'integer',

-     *                                  'unsigned' => 1

-     *                                  'notnull' => 1

-     *                                  'default' => 0

-     *                              ),

-     *                              'name' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              ),

-     *                              'password' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              )

-     *                          );

-     * @param array $options  An associative array of table options:

-     *                          array(

-     *                              'comment' => 'Foo',

-     *                              'charset' => 'utf8',

-     *                              'collate' => 'utf8_unicode_ci',

-     *                              'type'    => 'innodb',

-     *                          );

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createTable($name, $fields, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        // if we have an AUTO_INCREMENT column and a PK on more than one field,

-        // we have to handle it differently...

-        $autoincrement = null;

-        if (empty($options['primary'])) {

-            $pk_fields = array();

-            foreach ($fields as $fieldname => $def) {

-                if (!empty($def['primary'])) {

-                    $pk_fields[$fieldname] = true;

-                }

-                if (!empty($def['autoincrement'])) {

-                    $autoincrement = $fieldname;

-                }

-            }

-            if (!is_null($autoincrement) && count($pk_fields) > 1) {

-                $options['primary'] = $pk_fields;

-            } else {

-                // the PK constraint is on max one field => OK

-                $autoincrement = null;

-            }

-        }

-

-        $query = $this->_getCreateTableQuery($name, $fields, $options);

-        if (PEAR::isError($query)) {

-            return $query;

-        }

-

-        if (!is_null($autoincrement)) {

-            // we have to remove the PK clause added by _getIntegerDeclaration()

-            $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);

-        }

-

-        $options_strings = array();

-

-        if (!empty($options['comment'])) {

-            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');

-        }

-

-        if (!empty($options['charset'])) {

-            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];

-            if (!empty($options['collate'])) {

-                $options_strings['charset'].= ' COLLATE '.$options['collate'];

-            }

-        }

-

-        $type = false;

-        if (!empty($options['type'])) {

-            $type = $options['type'];

-        } elseif ($db->options['default_table_type']) {

-            $type = $db->options['default_table_type'];

-        }

-        if ($type) {

-            $options_strings[] = "ENGINE = $type";

-        }

-

-        if (!empty($options_strings)) {

-            $query .= ' '.implode(' ', $options_strings);

-        }

-        $result = $db->exec($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropTable()

-

-    /**

-     * drop an existing table

-     *

-     * @param string $name name of the table that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        //delete the triggers associated to existing FK constraints

-        $constraints = $this->listTableConstraints($name);

-        if (!PEAR::isError($constraints) && !empty($constraints)) {

-            $db->loadModule('Reverse', null, true);

-            foreach ($constraints as $constraint) {

-                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);

-                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-

-        return parent::dropTable($name);

-    }

-

-    // }}}

-    // {{{ truncateTable()

-

-    /**

-     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,

-     * it falls back to a DELETE FROM TABLE query)

-     *

-     * @param string $name name of the table that should be truncated

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function truncateTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("TRUNCATE TABLE $name");

-    }

-

-    // }}}

-    // {{{ vacuum()

-

-    /**

-     * Optimize (vacuum) all the tables in the db (or only the specified table)

-     * and optionally run ANALYZE.

-     *

-     * @param string $table table name (all the tables if empty)

-     * @param array  $options an array with driver-specific options:

-     *               - timeout [int] (in seconds) [mssql-only]

-     *               - analyze [boolean] [pgsql and mysql]

-     *               - full [boolean] [pgsql-only]

-     *               - freeze [boolean] [pgsql-only]

-     *

-     * @return mixed MDB2_OK success, a MDB2 error on failure

-     * @access public

-     */

-    function vacuum($table = null, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (empty($table)) {

-            $table = $this->listTables();

-            if (PEAR::isError($table)) {

-                return $table;

-            }

-        }

-        if (is_array($table)) {

-            foreach (array_keys($table) as $k) {

-            	$table[$k] = $db->quoteIdentifier($table[$k], true);

-            }

-            $table = implode(', ', $table);

-        } else {

-            $table = $db->quoteIdentifier($table, true);

-        }

-        

-        $result = $db->exec('OPTIMIZE TABLE '.$table);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if (!empty($options['analyze'])) {

-            return $db->exec('ANALYZE TABLE '.$table);

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ alterTable()

-

-    /**

-     * alter an existing table

-     *

-     * @param string $name         name of the table that is intended to be changed.

-     * @param array $changes     associative array that contains the details of each type

-     *                             of change that is intended to be performed. The types of

-     *                             changes that are currently supported are defined as follows:

-     *

-     *                             name

-     *

-     *                                New name for the table.

-     *

-     *                            add

-     *

-     *                                Associative array with the names of fields to be added as

-     *                                 indexes of the array. The value of each entry of the array

-     *                                 should be set to another associative array with the properties

-     *                                 of the fields to be added. The properties of the fields should

-     *                                 be the same as defined by the MDB2 parser.

-     *

-     *

-     *                            remove

-     *

-     *                                Associative array with the names of fields to be removed as indexes

-     *                                 of the array. Currently the values assigned to each entry are ignored.

-     *                                 An empty array should be used for future compatibility.

-     *

-     *                            rename

-     *

-     *                                Associative array with the names of fields to be renamed as indexes

-     *                                 of the array. The value of each entry of the array should be set to

-     *                                 another associative array with the entry named name with the new

-     *                                 field name and the entry named Declaration that is expected to contain

-     *                                 the portion of the field declaration already in DBMS specific SQL code

-     *                                 as it is used in the CREATE TABLE statement.

-     *

-     *                            change

-     *

-     *                                Associative array with the names of the fields to be changed as indexes

-     *                                 of the array. Keep in mind that if it is intended to change either the

-     *                                 name of a field and any other properties, the change array entries

-     *                                 should have the new names of the fields as array indexes.

-     *

-     *                                The value of each entry of the array should be set to another associative

-     *                                 array with the properties of the fields to that are meant to be changed as

-     *                                 array entries. These entries should be assigned to the new values of the

-     *                                 respective properties. The properties of the fields should be the same

-     *                                 as defined by the MDB2 parser.

-     *

-     *                            Example

-     *                                array(

-     *                                    'name' => 'userlist',

-     *                                    'add' => array(

-     *                                        'quota' => array(

-     *                                            'type' => 'integer',

-     *                                            'unsigned' => 1

-     *                                        )

-     *                                    ),

-     *                                    'remove' => array(

-     *                                        'file_limit' => array(),

-     *                                        'time_limit' => array()

-     *                                    ),

-     *                                    'change' => array(

-     *                                        'name' => array(

-     *                                            'length' => '20',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 20,

-     *                                            ),

-     *                                        )

-     *                                    ),

-     *                                    'rename' => array(

-     *                                        'sex' => array(

-     *                                            'name' => 'gender',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 1,

-     *                                                'default' => 'M',

-     *                                            ),

-     *                                        )

-     *                                    )

-     *                                )

-     *

-     * @param boolean $check     indicates whether the function should just check if the DBMS driver

-     *                             can perform the requested table alterations if the value is true or

-     *                             actually perform them otherwise.

-     * @access public

-     *

-      * @return mixed MDB2_OK on success, a MDB2 error on failure

-     */

-    function alterTable($name, $changes, $check)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        foreach ($changes as $change_name => $change) {

-            switch ($change_name) {

-            case 'add':

-            case 'remove':

-            case 'change':

-            case 'rename':

-            case 'name':

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,

-                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);

-            }

-        }

-

-        if ($check) {

-            return MDB2_OK;

-        }

-

-        $query = '';

-        if (!empty($changes['name'])) {

-            $change_name = $db->quoteIdentifier($changes['name'], true);

-            $query .= 'RENAME TO ' . $change_name;

-        }

-

-        if (!empty($changes['add']) && is_array($changes['add'])) {

-            foreach ($changes['add'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);

-            }

-        }

-

-        if (!empty($changes['remove']) && is_array($changes['remove'])) {

-            foreach ($changes['remove'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $field_name = $db->quoteIdentifier($field_name, true);

-                $query.= 'DROP ' . $field_name;

-            }

-        }

-

-        $rename = array();

-        if (!empty($changes['rename']) && is_array($changes['rename'])) {

-            foreach ($changes['rename'] as $field_name => $field) {

-                $rename[$field['name']] = $field_name;

-            }

-        }

-

-        if (!empty($changes['change']) && is_array($changes['change'])) {

-            foreach ($changes['change'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                if (isset($rename[$field_name])) {

-                    $old_field_name = $rename[$field_name];

-                    unset($rename[$field_name]);

-                } else {

-                    $old_field_name = $field_name;

-                }

-                $old_field_name = $db->quoteIdentifier($old_field_name, true);

-                $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);

-            }

-        }

-

-        if (!empty($rename) && is_array($rename)) {

-            foreach ($rename as $rename_name => $renamed_field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $field = $changes['rename'][$renamed_field];

-                $renamed_field = $db->quoteIdentifier($renamed_field, true);

-                $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);

-            }

-        }

-

-        if (!$query) {

-            return MDB2_OK;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("ALTER TABLE $name $query");

-    }

-

-    // }}}

-    // {{{ listDatabases()

-

-    /**

-     * list all databases

-     *

-     * @return mixed array of database names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listDatabases()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->queryCol('SHOW DATABASES');

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listUsers()

-

-    /**

-     * list all users

-     *

-     * @return mixed array of user names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listUsers()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');

-    }

-

-    // }}}

-    // {{{ listFunctions()

-

-    /**

-     * list all functions in the current database

-     *

-     * @return mixed array of function names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listFunctions()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM mysql.proc";

-        /*

-        SELECT ROUTINE_NAME

-          FROM INFORMATION_SCHEMA.ROUTINES

-         WHERE ROUTINE_TYPE = 'FUNCTION'

-        */

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableTriggers()

-

-    /**

-     * list all triggers in the database that reference a given table

-     *

-     * @param string table for which all referenced triggers should be found

-     * @return mixed array of trigger names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableTriggers($table = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SHOW TRIGGERS';

-        if (!is_null($table)) {

-            $table = $db->quote($table, 'text');

-            $query .= " LIKE $table";

-        }

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTables()

-

-    /**

-     * list all tables in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of table names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTables($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SHOW /*!50002 FULL*/ TABLES";

-        if (!is_null($database)) {

-            $query .= " FROM $database";

-        }

-        $query.= "/*!50002  WHERE Table_type = 'BASE TABLE'*/";

-

-        $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-

-        $result = array();

-        foreach ($table_names as $table) {

-            if (!$this->_fixSequenceName($table[0], true)) {

-                $result[] = $table[0];

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listViews()

-

-    /**

-     * list all views in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listViews($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SHOW FULL TABLES';

-        if (!is_null($database)) {

-            $query.= " FROM $database";

-        }

-        $query.= " WHERE Table_type = 'VIEW'";

-

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableFields()

-

-    /**

-     * list all fields in a table in the current database

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of field names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableFields($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $result = $db->queryCol("SHOW COLUMNS FROM $table");

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ createIndex()

-

-    /**

-     * Get the stucture of a field into an array

-     *

-     * @author Leoncx

-     * @param string $table      name of the table on which the index is to be created

-     * @param string $name       name of the index to be created

-     * @param array  $definition associative array that defines properties of the index to be created.

-     *                           Currently, only one property named FIELDS is supported. This property

-     *                           is also an associative with the names of the index fields as array

-     *                           indexes. Each entry of this array is set to another type of associative

-     *                           array that specifies properties of the index that are specific to

-     *                           each field.

-     *

-     *                           Currently, only the sorting property is supported. It should be used

-     *                           to define the sorting direction of the index. It may be set to either

-     *                           ascending or descending.

-     *

-     *                           Not all DBMS support index sorting direction configuration. The DBMS

-     *                           drivers of those that do not support it ignore this property. Use the

-     *                           function supports() to determine whether the DBMS driver can manage indexes.

-     *

-     *                           Example

-     *                               array(

-     *                                   'fields' => array(

-     *                                       'user_name' => array(

-     *                                           'sorting' => 'ascending'

-     *                                           'length' => 10

-     *                                       ),

-     *                                       'last_login' => array()

-     *                                    )

-     *                                )

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createIndex($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "CREATE INDEX $name ON $table";

-        $fields = array();

-        foreach ($definition['fields'] as $field => $fieldinfo) {

-            if (!empty($fieldinfo['length'])) {

-                $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';

-            } else {

-                $fields[] = $db->quoteIdentifier($field, true);

-            }

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropIndex()

-

-    /**

-     * drop existing index

-     *

-     * @param string    $table         name of table that should be used in method

-     * @param string    $name         name of the index to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropIndex($table, $name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        return $db->exec("DROP INDEX $name ON $table");

-    }

-

-    // }}}

-    // {{{ listTableIndexes()

-

-    /**

-     * list all indexes in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of index names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableIndexes($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $key_name = 'Key_name';

-        $non_unique = 'Non_unique';

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $key_name = strtolower($key_name);

-                $non_unique = strtolower($non_unique);

-            } else {

-                $key_name = strtoupper($key_name);

-                $non_unique = strtoupper($non_unique);

-            }

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table";

-        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $index_data) {

-            if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {

-                $result[$index] = true;

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createConstraint()

-

-    /**

-     * create a constraint on a table

-     *

-     * @param string    $table        name of the table on which the constraint is to be created

-     * @param string    $name         name of the constraint to be created

-     * @param array     $definition   associative array that defines properties of the constraint to be created.

-     *                                Currently, only one property named FIELDS is supported. This property

-     *                                is also an associative with the names of the constraint fields as array

-     *                                constraints. Each entry of this array is set to another type of associative

-     *                                array that specifies properties of the constraint that are specific to

-     *                                each field.

-     *

-     *                                Example

-     *                                   array(

-     *                                       'fields' => array(

-     *                                           'user_name' => array(),

-     *                                           'last_login' => array()

-     *                                       )

-     *                                   )

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createConstraint($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $type = '';

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        if (!empty($definition['primary'])) {

-            $type = 'PRIMARY';

-            $name = 'KEY';

-        } elseif (!empty($definition['unique'])) {

-            $type = 'UNIQUE';

-        } elseif (!empty($definition['foreign'])) {

-            $type = 'CONSTRAINT';

-        }

-        if (empty($type)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'invalid definition, could not create constraint', __FUNCTION__);

-        }

-

-        $table_quoted = $db->quoteIdentifier($table, true);

-        $query = "ALTER TABLE $table_quoted ADD $type $name";

-        if (!empty($definition['foreign'])) {

-            $query .= ' FOREIGN KEY';

-        }

-        $fields = array();

-        foreach (array_keys($definition['fields']) as $field) {

-            $fields[] = $db->quoteIdentifier($field, true);

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        if (!empty($definition['foreign'])) {

-            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);

-            $referenced_fields = array();

-            foreach (array_keys($definition['references']['fields']) as $field) {

-                $referenced_fields[] = $db->quoteIdentifier($field, true);

-            }

-            $query .= ' ('. implode(', ', $referenced_fields) . ')';

-            $query .= $this->_getAdvancedFKOptions($definition);

-        }

-        $res = $db->exec($query);

-        if (PEAR::isError($res)) {

-            return $res;

-        }

-        if (!empty($definition['foreign'])) {

-            return $this->_createFKTriggers($table, array($name => $definition));

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropConstraint()

-

-    /**

-     * drop existing constraint

-     *

-     * @param string    $table        name of table that should be used in method

-     * @param string    $name         name of the constraint to be dropped

-     * @param string    $primary      hint if the constraint is primary

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropConstraint($table, $name, $primary = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if ($primary || strtolower($name) == 'primary') {

-            $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';

-            return $db->exec($query);

-        }

-

-        //is it a FK constraint? If so, also delete the associated triggers

-        $db->loadModule('Reverse', null, true);

-        $definition = $db->reverse->getTableConstraintDefinition($table, $name);

-        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-            //first drop the FK enforcing triggers

-            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            //then drop the constraint itself

-            $table = $db->quoteIdentifier($table, true);

-            $name = $db->quoteIdentifier($db->getIndexName($name), true);

-            $query = "ALTER TABLE $table DROP FOREIGN KEY $name";

-            return $db->exec($query);

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "ALTER TABLE $table DROP INDEX $name";

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ _createFKTriggers()

-

-    /**

-     * Create triggers to enforce the FOREIGN KEY constraint on the table

-     *

-     * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,

-     * we call a non-existent procedure to raise the FK violation message.

-     * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877

-     *

-     * @param string $table        table name

-     * @param array  $foreign_keys FOREIGN KEY definitions

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function _createFKTriggers($table, $foreign_keys)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        // create triggers to enforce FOREIGN KEY constraints

-        if ($db->supports('triggers') && !empty($foreign_keys)) {

-            $table = $db->quoteIdentifier($table, true);

-            foreach ($foreign_keys as $fkname => $fkdef) {

-                if (empty($fkdef)) {

-                    continue;

-                }

-                //set actions to 'RESTRICT' if not set

-                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);

-                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);

-

-                $trigger_names = array(

-                    'insert'    => $fkname.'_insert_trg',

-                    'update'    => $fkname.'_update_trg',

-                    'pk_update' => $fkname.'_pk_update_trg',

-                    'pk_delete' => $fkname.'_pk_delete_trg',

-                );

-                $table_fields = array_keys($fkdef['fields']);

-                $referenced_fields = array_keys($fkdef['references']['fields']);

-

-                //create the ON [UPDATE|DELETE] triggers on the primary table

-                $restrict_action = ' IF (SELECT ';

-                $aliased_fields = array();

-                foreach ($table_fields as $field) {

-                    $aliased_fields[] = $table .'.'.$field .' AS '.$field;

-                }

-                $restrict_action .= implode(',', $aliased_fields)

-                       .' FROM '.$table

-                       .' WHERE ';

-                $conditions  = array();

-                $new_values  = array();

-                $null_values = array();

-                for ($i=0; $i<count($table_fields); $i++) {

-                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];

-                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];

-                    $null_values[] = $table_fields[$i] .' = NULL';

-                }

-                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'

-                                .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'

-                                .' END IF;';

-

-                $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';

-                $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';

-                $setnull_action        = 'UPDATE '.$table.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';

-

-                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {

-                    $db->loadModule('Reverse', null, true);

-                    $default_values = array();

-                    foreach ($table_fields as $table_field) {

-                        $field_definition = $db->reverse->getTableFieldDefinition($table, $field);

-                        if (PEAR::isError($field_definition)) {

-                            return $field_definition;

-                        }

-                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];

-                    }

-                    $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';

-                }

-

-                $query = 'CREATE TRIGGER %s'

-                        .' %s ON '.$fkdef['references']['table']

-                        .' FOR EACH ROW BEGIN '

-                        .' SET FOREIGN_KEY_CHECKS = 0; ';  //only really needed for ON UPDATE CASCADE

-

-                if ('CASCADE' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE',  'update') . $cascade_action_update;

-                } elseif ('SET NULL' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;

-                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;

-                } elseif ('NO ACTION' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');

-                } else {

-                    //'RESTRICT'

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');

-                }

-                if ('CASCADE' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE',  'delete') . $cascade_action_delete;

-                } elseif ('SET NULL' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;

-                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;

-                } elseif ('NO ACTION' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');

-                } else {

-                    //'RESTRICT'

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');

-                }

-                $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';

-                $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';

-

-                $db->pushErrorHandling(PEAR_ERROR_RETURN);

-                $db->expectError(MDB2_ERROR_CANNOT_CREATE);

-                $result = $db->exec($sql_delete);

-                $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';

-                $db->popExpect();

-                $db->popErrorHandling();

-                if (PEAR::isError($result)) {

-                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                        return $result;

-                    }

-                    $db->warnings[] = $expected_errmsg;

-                }

-                $db->pushErrorHandling(PEAR_ERROR_RETURN);

-                $db->expectError(MDB2_ERROR_CANNOT_CREATE);

-                $result = $db->exec($sql_update);

-                $db->popExpect();

-                $db->popErrorHandling();

-                if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                        return $result;

-                    }

-                    $db->warnings[] = $expected_errmsg;

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ _dropFKTriggers()

-

-    /**

-     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table

-     *

-     * @param string $table            table name

-     * @param string $fkname           FOREIGN KEY constraint name

-     * @param string $referenced_table referenced table name

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function _dropFKTriggers($table, $fkname, $referenced_table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $triggers  = $this->listTableTriggers($table);

-        $triggers2 = $this->listTableTriggers($referenced_table);

-        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {

-            $triggers = array_merge($triggers, $triggers2);

-            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';

-            foreach ($triggers as $trigger) {

-                if (preg_match($pattern, $trigger)) {

-                    $result = $db->exec('DROP TRIGGER '.$trigger);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ listTableConstraints()

-

-    /**

-     * list all constraints in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of constraint names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableConstraints($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $key_name = 'Key_name';

-        $non_unique = 'Non_unique';

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $key_name = strtolower($key_name);

-                $non_unique = strtolower($non_unique);

-            } else {

-                $key_name = strtoupper($key_name);

-                $non_unique = strtoupper($non_unique);

-            }

-        }

-

-        $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);

-        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $index_data) {

-            if (!$index_data[$non_unique]) {

-                if ($index_data[$key_name] !== 'PRIMARY') {

-                    $index = $this->_fixIndexName($index_data[$key_name]);

-                } else {

-                    $index = 'PRIMARY';

-                }

-                if (!empty($index)) {

-                    $result[$index] = true;

-                }

-            }

-        }

-        

-        //list FOREIGN KEY constraints...

-        $query = 'SHOW CREATE TABLE '. $db->escape($table);

-        $definition = $db->queryOne($query, 'text', 1);

-        if (!PEAR::isError($definition) && !empty($definition)) {

-            $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';

-            if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {

-                foreach ($matches[1] as $constraint) {

-                    $result[$constraint] = true;

-                }

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createSequence()

-

-    /**

-     * create sequence

-     *

-     * @param string    $seq_name name of the sequence to be created

-     * @param string    $start    start value of the sequence; default is 1

-     * @param array     $options  An associative array of table options:

-     *                          array(

-     *                              'comment' => 'Foo',

-     *                              'charset' => 'utf8',

-     *                              'collate' => 'utf8_unicode_ci',

-     *                              'type'    => 'innodb',

-     *                          );

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createSequence($seq_name, $start = 1, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);

-        

-        $options_strings = array();

-

-        if (!empty($options['comment'])) {

-            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');

-        }

-

-        if (!empty($options['charset'])) {

-            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];

-            if (!empty($options['collate'])) {

-                $options_strings['charset'].= ' COLLATE '.$options['collate'];

-            }

-        }

-

-        $type = false;

-        if (!empty($options['type'])) {

-            $type = $options['type'];

-        } elseif ($db->options['default_table_type']) {

-            $type = $db->options['default_table_type'];

-        }

-        if ($type) {

-            $options_strings[] = "ENGINE = $type";

-        }

-

-        $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";

-        if (!empty($options_strings)) {

-            $query .= ' '.implode(' ', $options_strings);

-        }

-        $res = $db->exec($query);

-        if (PEAR::isError($res)) {

-            return $res;

-        }

-

-        if ($start == 1) {

-            return MDB2_OK;

-        }

-

-        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';

-        $res = $db->exec($query);

-        if (!PEAR::isError($res)) {

-            return MDB2_OK;

-        }

-

-        // Handle error

-        $result = $db->exec("DROP TABLE $sequence_name");

-        if (PEAR::isError($result)) {

-            return $db->raiseError($result, null, null,

-                'could not drop inconsistent sequence table', __FUNCTION__);

-        }

-

-        return $db->raiseError($res, null, null,

-            'could not create sequence table', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ dropSequence()

-

-    /**

-     * drop existing sequence

-     *

-     * @param string    $seq_name     name of the sequence to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropSequence($seq_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        return $db->exec("DROP TABLE $sequence_name");

-    }

-

-    // }}}

-    // {{{ listSequences()

-

-    /**

-     * list all sequences in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of sequence names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listSequences($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SHOW TABLES";

-        if (!is_null($database)) {

-            $query .= " FROM $database";

-        }

-        $table_names = $db->queryCol($query);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-

-        $result = array();

-        foreach ($table_names as $table_name) {

-            if ($sqn = $this->_fixSequenceName($table_name, true)) {

-                $result[] = $sqn;

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
+{
+
+    // }}}
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name  = $db->quoteIdentifier($name, true);
+        $query = 'CREATE DATABASE ' . $name;
+        if (!empty($options['charset'])) {
+            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+        }
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ alterDatabase()
+
+    /**
+     * alter an existing database
+     *
+     * @param string $name    name of the database that is intended to be changed
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+        if (!empty($options['charset'])) {
+            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+        }
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        $query = "DROP DATABASE $name";
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ _getAdvancedFKOptions()
+
+    /**
+     * Return the FOREIGN KEY query section dealing with non-standard options
+     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+     *
+     * @param array $definition
+     * @return string
+     * @access protected
+     */
+    function _getAdvancedFKOptions($definition)
+    {
+        $query = '';
+        if (!empty($definition['match'])) {
+            $query .= ' MATCH '.$definition['match'];
+        }
+        if (!empty($definition['onupdate'])) {
+            $query .= ' ON UPDATE '.$definition['onupdate'];
+        }
+        if (!empty($definition['ondelete'])) {
+            $query .= ' ON DELETE '.$definition['ondelete'];
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name   Name of the database that should be created
+     * @param array $fields  Associative array that contains the definition of each field of the new table
+     *                       The indexes of the array entries are the names of the fields of the table an
+     *                       the array entry values are associative arrays like those that are meant to be
+     *                       passed with the field definitions to get[Type]Declaration() functions.
+     *                          array(
+     *                              'id' => array(
+     *                                  'type' => 'integer',
+     *                                  'unsigned' => 1
+     *                                  'notnull' => 1
+     *                                  'default' => 0
+     *                              ),
+     *                              'name' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              ),
+     *                              'password' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              )
+     *                          );
+     * @param array $options  An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'charset' => 'utf8',
+     *                              'collate' => 'utf8_unicode_ci',
+     *                              'type'    => 'innodb',
+     *                          );
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        // if we have an AUTO_INCREMENT column and a PK on more than one field,
+        // we have to handle it differently...
+        $autoincrement = null;
+        if (empty($options['primary'])) {
+            $pk_fields = array();
+            foreach ($fields as $fieldname => $def) {
+                if (!empty($def['primary'])) {
+                    $pk_fields[$fieldname] = true;
+                }
+                if (!empty($def['autoincrement'])) {
+                    $autoincrement = $fieldname;
+                }
+            }
+            if ((null !== $autoincrement) && count($pk_fields) > 1) {
+                $options['primary'] = $pk_fields;
+            } else {
+                // the PK constraint is on max one field => OK
+                $autoincrement = null;
+            }
+        }
+
+        $query = $this->_getCreateTableQuery($name, $fields, $options);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+
+        if (null !== $autoincrement) {
+            // we have to remove the PK clause added by _getIntegerDeclaration()
+            $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+        }
+
+        $options_strings = array();
+
+        if (!empty($options['comment'])) {
+            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+        }
+
+        if (!empty($options['charset'])) {
+            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+            if (!empty($options['collate'])) {
+                $options_strings['charset'].= ' COLLATE '.$options['collate'];
+            }
+        }
+
+        $type = false;
+        if (!empty($options['type'])) {
+            $type = $options['type'];
+        } elseif ($db->options['default_table_type']) {
+            $type = $db->options['default_table_type'];
+        }
+        if ($type) {
+            $options_strings[] = "ENGINE = $type";
+        }
+
+        if (!empty($options_strings)) {
+            $query .= ' '.implode(' ', $options_strings);
+        }
+        $result = $db->exec($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        //delete the triggers associated to existing FK constraints
+        $constraints = $this->listTableConstraints($name);
+        if (!PEAR::isError($constraints) && !empty($constraints)) {
+            $db->loadModule('Reverse', null, true);
+            foreach ($constraints as $constraint) {
+                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+
+        return parent::dropTable($name);
+    }
+
+    // }}}
+    // {{{ truncateTable()
+
+    /**
+     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+     * it falls back to a DELETE FROM TABLE query)
+     *
+     * @param string $name name of the table that should be truncated
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function truncateTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("TRUNCATE TABLE $name");
+    }
+
+    // }}}
+    // {{{ vacuum()
+
+    /**
+     * Optimize (vacuum) all the tables in the db (or only the specified table)
+     * and optionally run ANALYZE.
+     *
+     * @param string $table table name (all the tables if empty)
+     * @param array  $options an array with driver-specific options:
+     *               - timeout [int] (in seconds) [mssql-only]
+     *               - analyze [boolean] [pgsql and mysql]
+     *               - full [boolean] [pgsql-only]
+     *               - freeze [boolean] [pgsql-only]
+     *
+     * @return mixed MDB2_OK success, a MDB2 error on failure
+     * @access public
+     */
+    function vacuum($table = null, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (empty($table)) {
+            $table = $this->listTables();
+            if (PEAR::isError($table)) {
+                return $table;
+            }
+        }
+        if (is_array($table)) {
+            foreach (array_keys($table) as $k) {
+            	$table[$k] = $db->quoteIdentifier($table[$k], true);
+            }
+            $table = implode(', ', $table);
+        } else {
+            $table = $db->quoteIdentifier($table, true);
+        }
+        
+        $result = $db->exec('OPTIMIZE TABLE '.$table);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if (!empty($options['analyze'])) {
+            return $db->exec('ANALYZE TABLE '.$table);
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the MDB2 parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the MDB2 parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                    ),
+     *                                    'change' => array(
+     *                                        'name' => array(
+     *                                            'length' => '20',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 20,
+     *                                            ),
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 1,
+     *                                                'default' => 'M',
+     *                                            ),
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'rename':
+            case 'name':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = '';
+        if (!empty($changes['name'])) {
+            $change_name = $db->quoteIdentifier($changes['name'], true);
+            $query .= 'RENAME TO ' . $change_name;
+        }
+
+        if (!empty($changes['add']) && is_array($changes['add'])) {
+            foreach ($changes['add'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+            }
+        }
+
+        if (!empty($changes['remove']) && is_array($changes['remove'])) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $field_name = $db->quoteIdentifier($field_name, true);
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        $rename = array();
+        if (!empty($changes['rename']) && is_array($changes['rename'])) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                $rename[$field['name']] = $field_name;
+            }
+        }
+
+        if (!empty($changes['change']) && is_array($changes['change'])) {
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                if (isset($rename[$field_name])) {
+                    $old_field_name = $rename[$field_name];
+                    unset($rename[$field_name]);
+                } else {
+                    $old_field_name = $field_name;
+                }
+                $old_field_name = $db->quoteIdentifier($old_field_name, true);
+                $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+            }
+        }
+
+        if (!empty($rename) && is_array($rename)) {
+            foreach ($rename as $rename_name => $renamed_field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $field = $changes['rename'][$renamed_field];
+                $renamed_field = $db->quoteIdentifier($renamed_field, true);
+                $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed array of database names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->queryCol('SHOW DATABASES');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed array of user names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed array of function names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM mysql.proc";
+        /*
+        SELECT ROUTINE_NAME
+          FROM INFORMATION_SCHEMA.ROUTINES
+         WHERE ROUTINE_TYPE = 'FUNCTION'
+        */
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableTriggers()
+
+    /**
+     * list all triggers in the database that reference a given table
+     *
+     * @param string table for which all referenced triggers should be found
+     * @return mixed array of trigger names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableTriggers($table = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SHOW TRIGGERS';
+        if (null !== $table) {
+            $table = $db->quote($table, 'text');
+            $query .= " LIKE $table";
+        }
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of table names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SHOW /*!50002 FULL*/ TABLES";
+        if (null !== $database) {
+            $query .= " FROM $database";
+        }
+        $query.= "/*!50002  WHERE Table_type = 'BASE TABLE'*/";
+
+        $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $result = array();
+        foreach ($table_names as $table) {
+            if (!$this->_fixSequenceName($table[0], true)) {
+                $result[] = $table[0];
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SHOW FULL TABLES';
+        if (null !== $database) {
+            $query.= " FROM $database";
+        }
+        $query.= " WHERE Table_type = 'VIEW'";
+
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a table in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of field names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $result = $db->queryCol("SHOW COLUMNS FROM $table");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * Get the stucture of a field into an array
+     *
+     * @author Leoncx
+     * @param string $table      name of the table on which the index is to be created
+     * @param string $name       name of the index to be created
+     * @param array  $definition associative array that defines properties of the index to be created.
+     *                           Currently, only one property named FIELDS is supported. This property
+     *                           is also an associative with the names of the index fields as array
+     *                           indexes. Each entry of this array is set to another type of associative
+     *                           array that specifies properties of the index that are specific to
+     *                           each field.
+     *
+     *                           Currently, only the sorting property is supported. It should be used
+     *                           to define the sorting direction of the index. It may be set to either
+     *                           ascending or descending.
+     *
+     *                           Not all DBMS support index sorting direction configuration. The DBMS
+     *                           drivers of those that do not support it ignore this property. Use the
+     *                           function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                           Example
+     *                               array(
+     *                                   'fields' => array(
+     *                                       'user_name' => array(
+     *                                           'sorting' => 'ascending'
+     *                                           'length' => 10
+     *                                       ),
+     *                                       'last_login' => array()
+     *                                    )
+     *                                )
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "CREATE INDEX $name ON $table";
+        $fields = array();
+        foreach ($definition['fields'] as $field => $fieldinfo) {
+            if (!empty($fieldinfo['length'])) {
+                $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
+            } else {
+                $fields[] = $db->quoteIdentifier($field, true);
+            }
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        return $db->exec("DROP INDEX $name ON $table");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of index names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        $non_unique = 'Non_unique';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $non_unique = strtolower($non_unique);
+            } else {
+                $key_name = strtoupper($key_name);
+                $non_unique = strtoupper($non_unique);
+            }
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table";
+        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $index_data) {
+            if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
+                $result[$index] = true;
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createConstraint()
+
+    /**
+     * create a constraint on a table
+     *
+     * @param string    $table        name of the table on which the constraint is to be created
+     * @param string    $name         name of the constraint to be created
+     * @param array     $definition   associative array that defines properties of the constraint to be created.
+     *                                Currently, only one property named FIELDS is supported. This property
+     *                                is also an associative with the names of the constraint fields as array
+     *                                constraints. Each entry of this array is set to another type of associative
+     *                                array that specifies properties of the constraint that are specific to
+     *                                each field.
+     *
+     *                                Example
+     *                                   array(
+     *                                       'fields' => array(
+     *                                           'user_name' => array(),
+     *                                           'last_login' => array()
+     *                                       )
+     *                                   )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createConstraint($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $type = '';
+        $idx_name = $db->quoteIdentifier($db->getIndexName($name), true);
+        if (!empty($definition['primary'])) {
+            $type = 'PRIMARY';
+            $idx_name = 'KEY';
+        } elseif (!empty($definition['unique'])) {
+            $type = 'UNIQUE';
+        } elseif (!empty($definition['foreign'])) {
+            $type = 'CONSTRAINT';
+        }
+        if (empty($type)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'invalid definition, could not create constraint', __FUNCTION__);
+        }
+
+        $table_quoted = $db->quoteIdentifier($table, true);
+        $query = "ALTER TABLE $table_quoted ADD $type $idx_name";
+        if (!empty($definition['foreign'])) {
+            $query .= ' FOREIGN KEY';
+        }
+        $fields = array();
+        foreach ($definition['fields'] as $field => $fieldinfo) {
+            $quoted = $db->quoteIdentifier($field, true);
+            if (!empty($fieldinfo['length'])) {
+                $quoted .= '(' . $fieldinfo['length'] . ')';
+            }
+            $fields[] = $quoted;
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        if (!empty($definition['foreign'])) {
+            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+            $referenced_fields = array();
+            foreach (array_keys($definition['references']['fields']) as $field) {
+                $referenced_fields[] = $db->quoteIdentifier($field, true);
+            }
+            $query .= ' ('. implode(', ', $referenced_fields) . ')';
+            $query .= $this->_getAdvancedFKOptions($definition);
+
+            // add index on FK column(s) or we can't add a FK constraint
+            // @see http://forums.mysql.com/read.php?22,19755,226009
+            $result = $this->createIndex($table, $name.'_fkidx', $definition);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+        if (!empty($definition['foreign'])) {
+            return $this->_createFKTriggers($table, array($name => $definition));
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropConstraint()
+
+    /**
+     * drop existing constraint
+     *
+     * @param string    $table        name of table that should be used in method
+     * @param string    $name         name of the constraint to be dropped
+     * @param string    $primary      hint if the constraint is primary
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropConstraint($table, $name, $primary = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($primary || strtolower($name) == 'primary') {
+            $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+            return $db->exec($query);
+        }
+
+        //is it a FK constraint? If so, also delete the associated triggers
+        $db->loadModule('Reverse', null, true);
+        $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+            //first drop the FK enforcing triggers
+            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            //then drop the constraint itself
+            $table = $db->quoteIdentifier($table, true);
+            $name = $db->quoteIdentifier($db->getIndexName($name), true);
+            $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+            return $db->exec($query);
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "ALTER TABLE $table DROP INDEX $name";
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ _createFKTriggers()
+
+    /**
+     * Create triggers to enforce the FOREIGN KEY constraint on the table
+     *
+     * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+     * we call a non-existent procedure to raise the FK violation message.
+     * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+     *
+     * @param string $table        table name
+     * @param array  $foreign_keys FOREIGN KEY definitions
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _createFKTriggers($table, $foreign_keys)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        // create triggers to enforce FOREIGN KEY constraints
+        if ($db->supports('triggers') && !empty($foreign_keys)) {
+            $table_quoted = $db->quoteIdentifier($table, true);
+            foreach ($foreign_keys as $fkname => $fkdef) {
+                if (empty($fkdef)) {
+                    continue;
+                }
+                //set actions to default if not set
+                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
+                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($fkdef['ondelete']);
+
+                $trigger_names = array(
+                    'insert'    => $fkname.'_insert_trg',
+                    'update'    => $fkname.'_update_trg',
+                    'pk_update' => $fkname.'_pk_update_trg',
+                    'pk_delete' => $fkname.'_pk_delete_trg',
+                );
+                $table_fields = array_keys($fkdef['fields']);
+                $referenced_fields = array_keys($fkdef['references']['fields']);
+
+                //create the ON [UPDATE|DELETE] triggers on the primary table
+                $restrict_action = ' IF (SELECT ';
+                $aliased_fields = array();
+                foreach ($table_fields as $field) {
+                    $aliased_fields[] = $table_quoted .'.'.$field .' AS '.$field;
+                }
+                $restrict_action .= implode(',', $aliased_fields)
+                       .' FROM '.$table_quoted
+                       .' WHERE ';
+                $conditions  = array();
+                $new_values  = array();
+                $null_values = array();
+                for ($i=0; $i<count($table_fields); $i++) {
+                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+                    $null_values[] = $table_fields[$i] .' = NULL';
+                }
+                $conditions2 = array();
+                if ('NO ACTION' != $fkdef['ondelete']) {
+                    // There is no NEW row in on DELETE trigger
+                    for ($i=0; $i<count($referenced_fields); $i++) {
+                        $conditions2[]  = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
+                    }
+                }
+
+                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL';
+                if (!empty($conditions2)) {
+                    $restrict_action .= ' AND (' .implode(' OR ', $conditions2) .')';
+                }
+                $restrict_action .= ' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+                                   .' END IF;';
+
+                $cascade_action_update = 'UPDATE '.$table_quoted.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+                $cascade_action_delete = 'DELETE FROM '.$table_quoted.' WHERE '.implode(' AND ', $conditions). ';';
+                $setnull_action        = 'UPDATE '.$table_quoted.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
+
+                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+                    $db->loadModule('Reverse', null, true);
+                    $default_values = array();
+                    foreach ($table_fields as $table_field) {
+                        $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
+                        if (PEAR::isError($field_definition)) {
+                            return $field_definition;
+                        }
+                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+                    }
+                    $setdefault_action = 'UPDATE '.$table_quoted.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+                }
+
+                $query = 'CREATE TRIGGER %s'
+                        .' %s ON '.$fkdef['references']['table']
+                        .' FOR EACH ROW BEGIN '
+                        .' SET FOREIGN_KEY_CHECKS = 0; ';  //only really needed for ON UPDATE CASCADE
+
+                if ('CASCADE' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE',  'update') . $cascade_action_update;
+                } elseif ('SET NULL' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+                } elseif ('NO ACTION' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+                } elseif ('RESTRICT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+                }
+                if ('CASCADE' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE',  'delete') . $cascade_action_delete;
+                } elseif ('SET NULL' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+                } elseif ('NO ACTION' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+                } elseif ('RESTRICT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+                }
+                $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+                $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+                $db->pushErrorHandling(PEAR_ERROR_RETURN);
+                $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+                $result = $db->exec($sql_delete);
+                $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+                $db->popExpect();
+                $db->popErrorHandling();
+                if (PEAR::isError($result)) {
+                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                        return $result;
+                    }
+                    $db->warnings[] = $expected_errmsg;
+                }
+                $db->pushErrorHandling(PEAR_ERROR_RETURN);
+                $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+                $result = $db->exec($sql_update);
+                $db->popExpect();
+                $db->popErrorHandling();
+                if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                        return $result;
+                    }
+                    $db->warnings[] = $expected_errmsg;
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _dropFKTriggers()
+
+    /**
+     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+     *
+     * @param string $table            table name
+     * @param string $fkname           FOREIGN KEY constraint name
+     * @param string $referenced_table referenced table name
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _dropFKTriggers($table, $fkname, $referenced_table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $triggers  = $this->listTableTriggers($table);
+        $triggers2 = $this->listTableTriggers($referenced_table);
+        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+            $triggers = array_merge($triggers, $triggers2);
+            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+            foreach ($triggers as $trigger) {
+                if (preg_match($pattern, $trigger)) {
+                    $result = $db->exec('DROP TRIGGER '.$trigger);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ listTableConstraints()
+
+    /**
+     * list all constraints in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of constraint names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableConstraints($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        $non_unique = 'Non_unique';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $non_unique = strtolower($non_unique);
+            } else {
+                $key_name = strtoupper($key_name);
+                $non_unique = strtoupper($non_unique);
+            }
+        }
+
+        $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
+        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $index_data) {
+            if (!$index_data[$non_unique]) {
+                if ($index_data[$key_name] !== 'PRIMARY') {
+                    $index = $this->_fixIndexName($index_data[$key_name]);
+                } else {
+                    $index = 'PRIMARY';
+                }
+                if (!empty($index)) {
+                    $result[$index] = true;
+                }
+            }
+        }
+        
+        //list FOREIGN KEY constraints...
+        $query = 'SHOW CREATE TABLE '. $db->escape($table);
+        $definition = $db->queryOne($query, 'text', 1);
+        if (!PEAR::isError($definition) && !empty($definition)) {
+            $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+            if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
+                foreach ($matches[1] as $constraint) {
+                    $result[$constraint] = true;
+                }
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name name of the sequence to be created
+     * @param string    $start    start value of the sequence; default is 1
+     * @param array     $options  An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'charset' => 'utf8',
+     *                              'collate' => 'utf8_unicode_ci',
+     *                              'type'    => 'innodb',
+     *                          );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+        
+        $options_strings = array();
+
+        if (!empty($options['comment'])) {
+            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+        }
+
+        if (!empty($options['charset'])) {
+            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+            if (!empty($options['collate'])) {
+                $options_strings['charset'].= ' COLLATE '.$options['collate'];
+            }
+        }
+
+        $type = false;
+        if (!empty($options['type'])) {
+            $type = $options['type'];
+        } elseif ($db->options['default_table_type']) {
+            $type = $db->options['default_table_type'];
+        }
+        if ($type) {
+            $options_strings[] = "ENGINE = $type";
+        }
+
+        $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
+        if (!empty($options_strings)) {
+            $query .= ' '.implode(' ', $options_strings);
+        }
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+
+        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
+        $res = $db->exec($query);
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+
+        // Handle error
+        $result = $db->exec("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError($result, null, null,
+                'could not drop inconsistent sequence table', __FUNCTION__);
+        }
+
+        return $db->raiseError($res, null, null,
+            'could not create sequence table', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        return $db->exec("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of sequence names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SHOW TABLES";
+        if (null !== $database) {
+            $query .= " FROM $database";
+        }
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if ($sqn = $this->_fixSequenceName($table_name, true)) {
+                $result[] = $sqn;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php
index db4f875dd..d08544988 100644
--- a/program/lib/MDB2/Driver/Manager/mysqli.php
+++ b/program/lib/MDB2/Driver/Manager/mysqli.php
@@ -1,1418 +1,1438 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysqli.php,v 1.95 2008/03/11 19:58:12 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Manager/Common.php';

-

-/**

- * MDB2 MySQLi driver for the management modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common

-{

-

-    // }}}

-    // {{{ createDatabase()

-

-    /**

-     * create a new database

-     *

-     * @param string $name    name of the database that should be created

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createDatabase($name, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name  = $db->quoteIdentifier($name, true);

-        $query = 'CREATE DATABASE ' . $name;

-        if (!empty($options['charset'])) {

-            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');

-        }

-        if (!empty($options['collation'])) {

-            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');

-        }

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ alterDatabase()

-

-    /**

-     * alter an existing database

-     *

-     * @param string $name    name of the database that is intended to be changed

-     * @param array  $options array with charset, collation info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function alterDatabase($name, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);

-        if (!empty($options['charset'])) {

-            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');

-        }

-        if (!empty($options['collation'])) {

-            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');

-        }

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ dropDatabase()

-

-    /**

-     * drop an existing database

-     *

-     * @param string $name name of the database that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropDatabase($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        $query = "DROP DATABASE $name";

-        return $db->standaloneQuery($query, null, true);

-    }

-

-    // }}}

-    // {{{ _getAdvancedFKOptions()

-

-    /**

-     * Return the FOREIGN KEY query section dealing with non-standard options

-     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...

-     *

-     * @param array $definition

-     * @return string

-     * @access protected

-     */

-    function _getAdvancedFKOptions($definition)

-    {

-        $query = '';

-        if (!empty($definition['match'])) {

-            $query .= ' MATCH '.$definition['match'];

-        }

-        if (!empty($definition['onupdate'])) {

-            $query .= ' ON UPDATE '.$definition['onupdate'];

-        }

-        if (!empty($definition['ondelete'])) {

-            $query .= ' ON DELETE '.$definition['ondelete'];

-        }

-        return $query;

-    }

-

-    // }}}

-    // {{{ createTable()

-

-    /**

-     * create a new table

-     *

-     * @param string $name   Name of the database that should be created

-     * @param array $fields  Associative array that contains the definition of each field of the new table

-     *                       The indexes of the array entries are the names of the fields of the table an

-     *                       the array entry values are associative arrays like those that are meant to be

-     *                       passed with the field definitions to get[Type]Declaration() functions.

-     *                          array(

-     *                              'id' => array(

-     *                                  'type' => 'integer',

-     *                                  'unsigned' => 1

-     *                                  'notnull' => 1

-     *                                  'default' => 0

-     *                              ),

-     *                              'name' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              ),

-     *                              'password' => array(

-     *                                  'type' => 'text',

-     *                                  'length' => 12

-     *                              )

-     *                          );

-     * @param array $options  An associative array of table options:

-     *                          array(

-     *                              'comment' => 'Foo',

-     *                              'charset' => 'utf8',

-     *                              'collate' => 'utf8_unicode_ci',

-     *                              'type'    => 'innodb',

-     *                          );

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createTable($name, $fields, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        // if we have an AUTO_INCREMENT column and a PK on more than one field,

-        // we have to handle it differently...

-        $autoincrement = null;

-        if (empty($options['primary'])) {

-            $pk_fields = array();

-            foreach ($fields as $fieldname => $def) {

-                if (!empty($def['primary'])) {

-                    $pk_fields[$fieldname] = true;

-                }

-                if (!empty($def['autoincrement'])) {

-                    $autoincrement = $fieldname;

-                }

-            }

-            if (!is_null($autoincrement) && count($pk_fields) > 1) {

-                $options['primary'] = $pk_fields;

-            } else {

-                // the PK constraint is on max one field => OK

-                $autoincrement = null;

-            }

-        }

-

-        $query = $this->_getCreateTableQuery($name, $fields, $options);

-        if (PEAR::isError($query)) {

-            return $query;

-        }

-

-        if (!is_null($autoincrement)) {

-            // we have to remove the PK clause added by _getIntegerDeclaration()

-            $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);

-        }

-

-        $options_strings = array();

-

-        if (!empty($options['comment'])) {

-            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');

-        }

-

-        if (!empty($options['charset'])) {

-            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];

-            if (!empty($options['collate'])) {

-                $options_strings['charset'].= ' COLLATE '.$options['collate'];

-            }

-        }

-

-        $type = false;

-        if (!empty($options['type'])) {

-            $type = $options['type'];

-        } elseif ($db->options['default_table_type']) {

-            $type = $db->options['default_table_type'];

-        }

-        if ($type) {

-            $options_strings[] = "ENGINE = $type";

-        }

-

-        if (!empty($options_strings)) {

-            $query .= ' '.implode(' ', $options_strings);

-        }

-        $result = $db->exec($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropTable()

-

-    /**

-     * drop an existing table

-     *

-     * @param string $name name of the table that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        //delete the triggers associated to existing FK constraints

-        $constraints = $this->listTableConstraints($name);

-        if (!PEAR::isError($constraints) && !empty($constraints)) {

-            $db->loadModule('Reverse', null, true);

-            foreach ($constraints as $constraint) {

-                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);

-                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-

-        return parent::dropTable($name);

-    }

-

-    // }}}

-    // {{{ truncateTable()

-

-    /**

-     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,

-     * it falls back to a DELETE FROM TABLE query)

-     *

-     * @param string $name name of the table that should be truncated

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function truncateTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("TRUNCATE TABLE $name");

-    }

-

-    // }}}

-    // {{{ vacuum()

-

-    /**

-     * Optimize (vacuum) all the tables in the db (or only the specified table)

-     * and optionally run ANALYZE.

-     *

-     * @param string $table table name (all the tables if empty)

-     * @param array  $options an array with driver-specific options:

-     *               - timeout [int] (in seconds) [mssql-only]

-     *               - analyze [boolean] [pgsql and mysql]

-     *               - full [boolean] [pgsql-only]

-     *               - freeze [boolean] [pgsql-only]

-     *

-     * @return mixed MDB2_OK success, a MDB2 error on failure

-     * @access public

-     */

-    function vacuum($table = null, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (empty($table)) {

-            $table = $this->listTables();

-            if (PEAR::isError($table)) {

-                return $table;

-            }

-        }

-        if (is_array($table)) {

-            foreach (array_keys($table) as $k) {

-            	$table[$k] = $db->quoteIdentifier($table[$k], true);

-            }

-            $table = implode(', ', $table);

-        } else {

-            $table = $db->quoteIdentifier($table, true);

-        }

-

-        $result = $db->exec('OPTIMIZE TABLE '.$table);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if (!empty($options['analyze'])) {

-            return $db->exec('ANALYZE TABLE '.$table);

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ alterTable()

-

-    /**

-     * alter an existing table

-     *

-     * @param string $name         name of the table that is intended to be changed.

-     * @param array $changes     associative array that contains the details of each type

-     *                             of change that is intended to be performed. The types of

-     *                             changes that are currently supported are defined as follows:

-     *

-     *                             name

-     *

-     *                                New name for the table.

-     *

-     *                            add

-     *

-     *                                Associative array with the names of fields to be added as

-     *                                 indexes of the array. The value of each entry of the array

-     *                                 should be set to another associative array with the properties

-     *                                 of the fields to be added. The properties of the fields should

-     *                                 be the same as defined by the MDB2 parser.

-     *

-     *

-     *                            remove

-     *

-     *                                Associative array with the names of fields to be removed as indexes

-     *                                 of the array. Currently the values assigned to each entry are ignored.

-     *                                 An empty array should be used for future compatibility.

-     *

-     *                            rename

-     *

-     *                                Associative array with the names of fields to be renamed as indexes

-     *                                 of the array. The value of each entry of the array should be set to

-     *                                 another associative array with the entry named name with the new

-     *                                 field name and the entry named Declaration that is expected to contain

-     *                                 the portion of the field declaration already in DBMS specific SQL code

-     *                                 as it is used in the CREATE TABLE statement.

-     *

-     *                            change

-     *

-     *                                Associative array with the names of the fields to be changed as indexes

-     *                                 of the array. Keep in mind that if it is intended to change either the

-     *                                 name of a field and any other properties, the change array entries

-     *                                 should have the new names of the fields as array indexes.

-     *

-     *                                The value of each entry of the array should be set to another associative

-     *                                 array with the properties of the fields to that are meant to be changed as

-     *                                 array entries. These entries should be assigned to the new values of the

-     *                                 respective properties. The properties of the fields should be the same

-     *                                 as defined by the MDB2 parser.

-     *

-     *                            Example

-     *                                array(

-     *                                    'name' => 'userlist',

-     *                                    'add' => array(

-     *                                        'quota' => array(

-     *                                            'type' => 'integer',

-     *                                            'unsigned' => 1

-     *                                        )

-     *                                    ),

-     *                                    'remove' => array(

-     *                                        'file_limit' => array(),

-     *                                        'time_limit' => array()

-     *                                    ),

-     *                                    'change' => array(

-     *                                        'name' => array(

-     *                                            'length' => '20',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 20,

-     *                                            ),

-     *                                        )

-     *                                    ),

-     *                                    'rename' => array(

-     *                                        'sex' => array(

-     *                                            'name' => 'gender',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 1,

-     *                                                'default' => 'M',

-     *                                            ),

-     *                                        )

-     *                                    )

-     *                                )

-     *

-     * @param boolean $check     indicates whether the function should just check if the DBMS driver

-     *                             can perform the requested table alterations if the value is true or

-     *                             actually perform them otherwise.

-     * @access public

-     *

-      * @return mixed MDB2_OK on success, a MDB2 error on failure

-     */

-    function alterTable($name, $changes, $check)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        foreach ($changes as $change_name => $change) {

-            switch ($change_name) {

-            case 'add':

-            case 'remove':

-            case 'change':

-            case 'rename':

-            case 'name':

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,

-                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);

-            }

-        }

-

-        if ($check) {

-            return MDB2_OK;

-        }

-

-        $query = '';

-        if (!empty($changes['name'])) {

-            $change_name = $db->quoteIdentifier($changes['name'], true);

-            $query .= 'RENAME TO ' . $change_name;

-        }

-

-        if (!empty($changes['add']) && is_array($changes['add'])) {

-            foreach ($changes['add'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);

-            }

-        }

-

-        if (!empty($changes['remove']) && is_array($changes['remove'])) {

-            foreach ($changes['remove'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $field_name = $db->quoteIdentifier($field_name, true);

-                $query.= 'DROP ' . $field_name;

-            }

-        }

-

-        $rename = array();

-        if (!empty($changes['rename']) && is_array($changes['rename'])) {

-            foreach ($changes['rename'] as $field_name => $field) {

-                $rename[$field['name']] = $field_name;

-            }

-        }

-

-        if (!empty($changes['change']) && is_array($changes['change'])) {

-            foreach ($changes['change'] as $field_name => $field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                if (isset($rename[$field_name])) {

-                    $old_field_name = $rename[$field_name];

-                    unset($rename[$field_name]);

-                } else {

-                    $old_field_name = $field_name;

-                }

-                $old_field_name = $db->quoteIdentifier($old_field_name, true);

-                $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);

-            }

-        }

-

-        if (!empty($rename) && is_array($rename)) {

-            foreach ($rename as $rename_name => $renamed_field) {

-                if ($query) {

-                    $query.= ', ';

-                }

-                $field = $changes['rename'][$renamed_field];

-                $renamed_field = $db->quoteIdentifier($renamed_field, true);

-                $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);

-            }

-        }

-

-        if (!$query) {

-            return MDB2_OK;

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("ALTER TABLE $name $query");

-    }

-

-    // }}}

-    // {{{ listDatabases()

-

-    /**

-     * list all databases

-     *

-     * @return mixed array of database names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listDatabases()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->queryCol('SHOW DATABASES');

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listUsers()

-

-    /**

-     * list all users

-     *

-     * @return mixed array of user names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listUsers()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');

-    }

-

-    // }}}

-    // {{{ listFunctions()

-

-    /**

-     * list all functions in the current database

-     *

-     * @return mixed array of function names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listFunctions()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM mysql.proc";

-        /*

-        SELECT ROUTINE_NAME

-          FROM INFORMATION_SCHEMA.ROUTINES

-         WHERE ROUTINE_TYPE = 'FUNCTION'

-        */

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableTriggers()

-

-    /**

-     * list all triggers in the database that reference a given table

-     *

-     * @param string table for which all referenced triggers should be found

-     * @return mixed array of trigger names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableTriggers($table = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SHOW TRIGGERS';

-        if (!is_null($table)) {

-            $table = $db->quote($table, 'text');

-            $query .= " LIKE $table";

-        }

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTables()

-

-    /**

-     * list all tables in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of table names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTables($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SHOW /*!50002 FULL*/ TABLES";

-        if (!is_null($database)) {

-            $query .= " FROM $database";

-        }

-        $query.= "/*!50002  WHERE Table_type = 'BASE TABLE'*/";

-

-        $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-

-        $result = array();

-        foreach ($table_names as $table) {

-            if (!$this->_fixSequenceName($table[0], true)) {

-                $result[] = $table[0];

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listViews()

-

-    /**

-     * list all views in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listViews($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SHOW FULL TABLES';

-        if (!is_null($database)) {

-            $query.= " FROM $database";

-        }

-        $query.= " WHERE Table_type = 'VIEW'";

-

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableFields()

-

-    /**

-     * list all fields in a table in the current database

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of field names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableFields($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $result = $db->queryCol("SHOW COLUMNS FROM $table");

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ createIndex()

-

-    /**

-     * Get the stucture of a field into an array

-     *

-     * @author Leoncx

-     * @param string    $table         name of the table on which the index is to be created

-     * @param string    $name         name of the index to be created

-     * @param array     $definition        associative array that defines properties of the index to be created.

-     *                                 Currently, only one property named FIELDS is supported. This property

-     *                                 is also an associative with the names of the index fields as array

-     *                                 indexes. Each entry of this array is set to another type of associative

-     *                                 array that specifies properties of the index that are specific to

-     *                                 each field.

-     *

-     *                                Currently, only the sorting property is supported. It should be used

-     *                                 to define the sorting direction of the index. It may be set to either

-     *                                 ascending or descending.

-     *

-     *                                Not all DBMS support index sorting direction configuration. The DBMS

-     *                                 drivers of those that do not support it ignore this property. Use the

-     *                                 function supports() to determine whether the DBMS driver can manage indexes.

-     *

-     *                                 Example

-     *                                    array(

-     *                                        'fields' => array(

-     *                                            'user_name' => array(

-     *                                                'sorting' => 'ascending'

-     *                                                'length' => 10

-     *                                            ),

-     *                                            'last_login' => array()

-     *                                        )

-     *                                    )

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createIndex($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "CREATE INDEX $name ON $table";

-        $fields = array();

-        foreach ($definition['fields'] as $field => $fieldinfo) {

-            if (!empty($fieldinfo['length'])) {

-                $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';

-            } else {

-                $fields[] = $db->quoteIdentifier($field, true);

-            }

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropIndex()

-

-    /**

-     * drop existing index

-     *

-     * @param string    $table         name of table that should be used in method

-     * @param string    $name         name of the index to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropIndex($table, $name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        return $db->exec("DROP INDEX $name ON $table");

-    }

-

-    // }}}

-    // {{{ listTableIndexes()

-

-    /**

-     * list all indexes in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of index names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableIndexes($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $key_name = 'Key_name';

-        $non_unique = 'Non_unique';

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $key_name = strtolower($key_name);

-                $non_unique = strtolower($non_unique);

-            } else {

-                $key_name = strtoupper($key_name);

-                $non_unique = strtoupper($non_unique);

-            }

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table";

-        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $index_data) {

-            if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {

-                $result[$index] = true;

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createConstraint()

-

-    /**

-     * create a constraint on a table

-     *

-     * @param string    $table         name of the table on which the constraint is to be created

-     * @param string    $name         name of the constraint to be created

-     * @param array     $definition        associative array that defines properties of the constraint to be created.

-     *                                 Currently, only one property named FIELDS is supported. This property

-     *                                 is also an associative with the names of the constraint fields as array

-     *                                 constraints. Each entry of this array is set to another type of associative

-     *                                 array that specifies properties of the constraint that are specific to

-     *                                 each field.

-     *

-     *                                 Example

-     *                                    array(

-     *                                        'fields' => array(

-     *                                            'user_name' => array(),

-     *                                            'last_login' => array()

-     *                                        )

-     *                                    )

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createConstraint($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $type = '';

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        if (!empty($definition['primary'])) {

-            $type = 'PRIMARY';

-            $name = 'KEY';

-        } elseif (!empty($definition['unique'])) {

-            $type = 'UNIQUE';

-        } elseif (!empty($definition['foreign'])) {

-            $type = 'CONSTRAINT';

-        }

-        if (empty($type)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'invalid definition, could not create constraint', __FUNCTION__);

-        }

-

-        $table_quoted = $db->quoteIdentifier($table, true);

-        $query = "ALTER TABLE $table_quoted ADD $type $name";

-        if (!empty($definition['foreign'])) {

-            $query .= ' FOREIGN KEY';

-        }

-        $fields = array();

-        foreach (array_keys($definition['fields']) as $field) {

-            $fields[] = $db->quoteIdentifier($field, true);

-        }

-        $query .= ' ('. implode(', ', $fields) . ')';

-        if (!empty($definition['foreign'])) {

-            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);

-            $referenced_fields = array();

-            foreach (array_keys($definition['references']['fields']) as $field) {

-                $referenced_fields[] = $db->quoteIdentifier($field, true);

-            }

-            $query .= ' ('. implode(', ', $referenced_fields) . ')';

-            $query .= $this->_getAdvancedFKOptions($definition);

-        }

-        $res = $db->exec($query);

-        if (PEAR::isError($res)) {

-            return $res;

-        }

-        if (!empty($definition['foreign'])) {

-            return $this->_createFKTriggers($table, array($name => $definition));

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropConstraint()

-

-    /**

-     * drop existing constraint

-     *

-     * @param string    $table        name of table that should be used in method

-     * @param string    $name         name of the constraint to be dropped

-     * @param string    $primary      hint if the constraint is primary

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropConstraint($table, $name, $primary = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        if ($primary || strtolower($name) == 'primary') {

-            $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';

-            return $db->exec($query);

-        }

-        

-        //is it a FK constraint? If so, also delete the associated triggers

-        $db->loadModule('Reverse', null, true);

-        $definition = $db->reverse->getTableConstraintDefinition($table, $name);

-        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-            //first drop the FK enforcing triggers

-            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            //then drop the constraint itself

-            $table = $db->quoteIdentifier($table, true);

-            $name = $db->quoteIdentifier($db->getIndexName($name), true);

-            $query = "ALTER TABLE $table DROP FOREIGN KEY $name";

-            return $db->exec($query);

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name = $db->quoteIdentifier($db->getIndexName($name), true);

-        $query = "ALTER TABLE $table DROP INDEX $name";

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ _createFKTriggers()

-

-    /**

-     * Create triggers to enforce the FOREIGN KEY constraint on the table

-     *

-     * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,

-     * we call a non-existent procedure to raise the FK violation message.

-     * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877

-     *

-     * @param string $table        table name

-     * @param array  $foreign_keys FOREIGN KEY definitions

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function _createFKTriggers($table, $foreign_keys)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        // create triggers to enforce FOREIGN KEY constraints

-        if ($db->supports('triggers') && !empty($foreign_keys)) {

-            $table = $db->quoteIdentifier($table, true);

-            foreach ($foreign_keys as $fkname => $fkdef) {

-                if (empty($fkdef)) {

-                    continue;

-                }

-                //set actions to 'RESTRICT' if not set

-                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);

-                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);

-

-                $trigger_names = array(

-                    'insert'    => $fkname.'_insert_trg',

-                    'update'    => $fkname.'_update_trg',

-                    'pk_update' => $fkname.'_pk_update_trg',

-                    'pk_delete' => $fkname.'_pk_delete_trg',

-                );

-                $table_fields = array_keys($fkdef['fields']);

-                $referenced_fields = array_keys($fkdef['references']['fields']);

-

-                //create the ON [UPDATE|DELETE] triggers on the primary table

-                $restrict_action = ' IF (SELECT ';

-                $aliased_fields = array();

-                foreach ($table_fields as $field) {

-                    $aliased_fields[] = $table .'.'.$field .' AS '.$field;

-                }

-                $restrict_action .= implode(',', $aliased_fields)

-                       .' FROM '.$table

-                       .' WHERE ';

-                $conditions  = array();

-                $new_values  = array();

-                $null_values = array();

-                for ($i=0; $i<count($table_fields); $i++) {

-                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];

-                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];

-                    $null_values[] = $table_fields[$i] .' = NULL';

-                }

-                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'

-                                .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'

-                                .' END IF;';

-

-                $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';

-                $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';

-                $setnull_action        = 'UPDATE '.$table.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';

-

-                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {

-                    $db->loadModule('Reverse', null, true);

-                    $default_values = array();

-                    foreach ($table_fields as $table_field) {

-                        $field_definition = $db->reverse->getTableFieldDefinition($table, $field);

-                        if (PEAR::isError($field_definition)) {

-                            return $field_definition;

-                        }

-                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];

-                    }

-                    $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';

-                }

-

-                $query = 'CREATE TRIGGER %s'

-                        .' %s ON '.$fkdef['references']['table']

-                        .' FOR EACH ROW BEGIN '

-                        .' SET FOREIGN_KEY_CHECKS = 0; ';  //only really needed for ON UPDATE CASCADE

-

-                if ('CASCADE' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE',  'update') . $cascade_action_update;

-                } elseif ('SET NULL' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;

-                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;

-                } elseif ('NO ACTION' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');

-                } else {

-                    //'RESTRICT'

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');

-                }

-                if ('CASCADE' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE',  'delete') . $cascade_action_delete;

-                } elseif ('SET NULL' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;

-                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;

-                } elseif ('NO ACTION' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');

-                } else {

-                    //'RESTRICT'

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');

-                }

-                $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';

-                $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';

-

-                $db->pushErrorHandling(PEAR_ERROR_RETURN);

-                $db->expectError(MDB2_ERROR_CANNOT_CREATE); 

-                $result = $db->exec($sql_delete);

-                $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';

-                $db->popExpect();

-                $db->popErrorHandling();

-                if (PEAR::isError($result)) {

-                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                        return $result;

-                    }

-                    $db->warnings[] = $expected_errmsg;

-                }

-                $db->pushErrorHandling(PEAR_ERROR_RETURN);

-                $db->expectError(MDB2_ERROR_CANNOT_CREATE);

-                $result = $db->exec($sql_update);

-                $db->popExpect();

-                $db->popErrorHandling();

-                if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {

-                        return $result;

-                    }

-                    $db->warnings[] = $expected_errmsg;

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ _dropFKTriggers()

-

-    /**

-     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table

-     *

-     * @param string $table            table name

-     * @param string $fkname           FOREIGN KEY constraint name

-     * @param string $referenced_table referenced table name

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function _dropFKTriggers($table, $fkname, $referenced_table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $triggers  = $this->listTableTriggers($table);

-        $triggers2 = $this->listTableTriggers($referenced_table);

-        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {

-            $triggers = array_merge($triggers, $triggers2);

-            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';

-            foreach ($triggers as $trigger) {

-                if (preg_match($pattern, $trigger)) {

-                    $result = $db->exec('DROP TRIGGER '.$trigger);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ listTableConstraints()

-

-    /**

-     * list all constraints in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of constraint names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableConstraints($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $key_name = 'Key_name';

-        $non_unique = 'Non_unique';

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $key_name = strtolower($key_name);

-                $non_unique = strtolower($non_unique);

-            } else {

-                $key_name = strtoupper($key_name);

-                $non_unique = strtoupper($non_unique);

-            }

-        }

-

-        $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);

-        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $index_data) {

-            if (!$index_data[$non_unique]) {

-                if ($index_data[$key_name] !== 'PRIMARY') {

-                    $index = $this->_fixIndexName($index_data[$key_name]);

-                } else {

-                    $index = 'PRIMARY';

-                }

-                if (!empty($index)) {

-                    $result[$index] = true;

-                }

-            }

-        }

-

-        //list FOREIGN KEY constraints...

-        $query = 'SHOW CREATE TABLE '. $db->escape($table);

-        $definition = $db->queryOne($query, 'text', 1);

-        if (!PEAR::isError($definition) && !empty($definition)) {

-            $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';

-            if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {

-                foreach ($matches[1] as $constraint) {

-                    $result[$constraint] = true;

-                }

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createSequence()

-

-    /**

-     * create sequence

-     *

-     * @param string    $seq_name name of the sequence to be created

-     * @param string    $start    start value of the sequence; default is 1

-     * @param array     $options  An associative array of table options:

-     *                          array(

-     *                              'comment' => 'Foo',

-     *                              'charset' => 'utf8',

-     *                              'collate' => 'utf8_unicode_ci',

-     *                              'type'    => 'innodb',

-     *                          );

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createSequence($seq_name, $start = 1, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);

-        

-        $options_strings = array();

-

-        if (!empty($options['comment'])) {

-            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');

-        }

-

-        if (!empty($options['charset'])) {

-            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];

-            if (!empty($options['collate'])) {

-                $options_strings['charset'].= ' COLLATE '.$options['collate'];

-            }

-        }

-

-        $type = false;

-        if (!empty($options['type'])) {

-            $type = $options['type'];

-        } elseif ($db->options['default_table_type']) {

-            $type = $db->options['default_table_type'];

-        }

-        if ($type) {

-            $options_strings[] = "ENGINE = $type";

-        }

-

-        $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";

-        if (!empty($options_strings)) {

-            $query .= ' '.implode(' ', $options_strings);

-        }

-        $res = $db->exec($query);

-        if (PEAR::isError($res)) {

-            return $res;

-        }

-

-        if ($start == 1) {

-            return MDB2_OK;

-        }

-

-        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';

-        $res = $db->exec($query);

-        if (!PEAR::isError($res)) {

-            return MDB2_OK;

-        }

-

-        // Handle error

-        $result = $db->exec("DROP TABLE $sequence_name");

-        if (PEAR::isError($result)) {

-            return $db->raiseError($result, null, null,

-                'could not drop inconsistent sequence table', __FUNCTION__);

-        }

-

-        return $db->raiseError($res, null, null,

-            'could not create sequence table', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ dropSequence()

-

-    /**

-     * drop existing sequence

-     *

-     * @param string    $seq_name     name of the sequence to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropSequence($seq_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        return $db->exec("DROP TABLE $sequence_name");

-    }

-

-    // }}}

-    // {{{ listSequences()

-

-    /**

-     * list all sequences in the current database

-     *

-     * @param string database, the current is default

-     * @return mixed array of sequence names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listSequences($database = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SHOW TABLES";

-        if (!is_null($database)) {

-            $query .= " FROM $database";

-        }

-        $table_names = $db->queryCol($query);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-

-        $result = array();

-        foreach ($table_names as $table_name) {

-            if ($sqn = $this->_fixSequenceName($table_name, true)) {

-                $result[] = $sqn;

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
+{
+
+    // }}}
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name  = $db->quoteIdentifier($name, true);
+        $query = 'CREATE DATABASE ' . $name;
+        if (!empty($options['charset'])) {
+            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+        }
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ alterDatabase()
+
+    /**
+     * alter an existing database
+     *
+     * @param string $name    name of the database that is intended to be changed
+     * @param array  $options array with charset, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+        if (!empty($options['charset'])) {
+            $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+        }
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        $query = "DROP DATABASE $name";
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ _getAdvancedFKOptions()
+
+    /**
+     * Return the FOREIGN KEY query section dealing with non-standard options
+     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+     *
+     * @param array $definition
+     * @return string
+     * @access protected
+     */
+    function _getAdvancedFKOptions($definition)
+    {
+        $query = '';
+        if (!empty($definition['match'])) {
+            $query .= ' MATCH '.$definition['match'];
+        }
+        if (!empty($definition['onupdate'])) {
+            $query .= ' ON UPDATE '.$definition['onupdate'];
+        }
+        if (!empty($definition['ondelete'])) {
+            $query .= ' ON DELETE '.$definition['ondelete'];
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name   Name of the database that should be created
+     * @param array $fields  Associative array that contains the definition of each field of the new table
+     *                       The indexes of the array entries are the names of the fields of the table an
+     *                       the array entry values are associative arrays like those that are meant to be
+     *                       passed with the field definitions to get[Type]Declaration() functions.
+     *                          array(
+     *                              'id' => array(
+     *                                  'type' => 'integer',
+     *                                  'unsigned' => 1
+     *                                  'notnull' => 1
+     *                                  'default' => 0
+     *                              ),
+     *                              'name' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              ),
+     *                              'password' => array(
+     *                                  'type' => 'text',
+     *                                  'length' => 12
+     *                              )
+     *                          );
+     * @param array $options  An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'charset' => 'utf8',
+     *                              'collate' => 'utf8_unicode_ci',
+     *                              'type'    => 'innodb',
+     *                          );
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        // if we have an AUTO_INCREMENT column and a PK on more than one field,
+        // we have to handle it differently...
+        $autoincrement = null;
+        if (empty($options['primary'])) {
+            $pk_fields = array();
+            foreach ($fields as $fieldname => $def) {
+                if (!empty($def['primary'])) {
+                    $pk_fields[$fieldname] = true;
+                }
+                if (!empty($def['autoincrement'])) {
+                    $autoincrement = $fieldname;
+                }
+            }
+            if ((null !== $autoincrement) && count($pk_fields) > 1) {
+                $options['primary'] = $pk_fields;
+            } else {
+                // the PK constraint is on max one field => OK
+                $autoincrement = null;
+            }
+        }
+
+        $query = $this->_getCreateTableQuery($name, $fields, $options);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+
+        if (null !== $autoincrement) {
+            // we have to remove the PK clause added by _getIntegerDeclaration()
+            $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+        }
+
+        $options_strings = array();
+
+        if (!empty($options['comment'])) {
+            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+        }
+
+        if (!empty($options['charset'])) {
+            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+            if (!empty($options['collate'])) {
+                $options_strings['charset'].= ' COLLATE '.$options['collate'];
+            }
+        }
+
+        $type = false;
+        if (!empty($options['type'])) {
+            $type = $options['type'];
+        } elseif ($db->options['default_table_type']) {
+            $type = $db->options['default_table_type'];
+        }
+        if ($type) {
+            $options_strings[] = "ENGINE = $type";
+        }
+
+        if (!empty($options_strings)) {
+            $query .= ' '.implode(' ', $options_strings);
+        }
+        $result = $db->exec($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        //delete the triggers associated to existing FK constraints
+        $constraints = $this->listTableConstraints($name);
+        if (!PEAR::isError($constraints) && !empty($constraints)) {
+            $db->loadModule('Reverse', null, true);
+            foreach ($constraints as $constraint) {
+                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+
+        return parent::dropTable($name);
+    }
+
+    // }}}
+    // {{{ truncateTable()
+
+    /**
+     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+     * it falls back to a DELETE FROM TABLE query)
+     *
+     * @param string $name name of the table that should be truncated
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function truncateTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("TRUNCATE TABLE $name");
+    }
+
+    // }}}
+    // {{{ vacuum()
+
+    /**
+     * Optimize (vacuum) all the tables in the db (or only the specified table)
+     * and optionally run ANALYZE.
+     *
+     * @param string $table table name (all the tables if empty)
+     * @param array  $options an array with driver-specific options:
+     *               - timeout [int] (in seconds) [mssql-only]
+     *               - analyze [boolean] [pgsql and mysql]
+     *               - full [boolean] [pgsql-only]
+     *               - freeze [boolean] [pgsql-only]
+     *
+     * @return mixed MDB2_OK success, a MDB2 error on failure
+     * @access public
+     */
+    function vacuum($table = null, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (empty($table)) {
+            $table = $this->listTables();
+            if (PEAR::isError($table)) {
+                return $table;
+            }
+        }
+        if (is_array($table)) {
+            foreach (array_keys($table) as $k) {
+            	$table[$k] = $db->quoteIdentifier($table[$k], true);
+            }
+            $table = implode(', ', $table);
+        } else {
+            $table = $db->quoteIdentifier($table, true);
+        }
+
+        $result = $db->exec('OPTIMIZE TABLE '.$table);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if (!empty($options['analyze'])) {
+            return $db->exec('ANALYZE TABLE '.$table);
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the MDB2 parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the MDB2 parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                    ),
+     *                                    'change' => array(
+     *                                        'name' => array(
+     *                                            'length' => '20',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 20,
+     *                                            ),
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 1,
+     *                                                'default' => 'M',
+     *                                            ),
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'rename':
+            case 'name':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = '';
+        if (!empty($changes['name'])) {
+            $change_name = $db->quoteIdentifier($changes['name'], true);
+            $query .= 'RENAME TO ' . $change_name;
+        }
+
+        if (!empty($changes['add']) && is_array($changes['add'])) {
+            foreach ($changes['add'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+            }
+        }
+
+        if (!empty($changes['remove']) && is_array($changes['remove'])) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $field_name = $db->quoteIdentifier($field_name, true);
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        $rename = array();
+        if (!empty($changes['rename']) && is_array($changes['rename'])) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                $rename[$field['name']] = $field_name;
+            }
+        }
+
+        if (!empty($changes['change']) && is_array($changes['change'])) {
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                if (isset($rename[$field_name])) {
+                    $old_field_name = $rename[$field_name];
+                    unset($rename[$field_name]);
+                } else {
+                    $old_field_name = $field_name;
+                }
+                $old_field_name = $db->quoteIdentifier($old_field_name, true);
+                $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+            }
+        }
+
+        if (!empty($rename) && is_array($rename)) {
+            foreach ($rename as $rename_name => $renamed_field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $field = $changes['rename'][$renamed_field];
+                $renamed_field = $db->quoteIdentifier($renamed_field, true);
+                $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed array of database names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->queryCol('SHOW DATABASES');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed array of user names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed array of function names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM mysql.proc";
+        /*
+        SELECT ROUTINE_NAME
+          FROM INFORMATION_SCHEMA.ROUTINES
+         WHERE ROUTINE_TYPE = 'FUNCTION'
+        */
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableTriggers()
+
+    /**
+     * list all triggers in the database that reference a given table
+     *
+     * @param string table for which all referenced triggers should be found
+     * @return mixed array of trigger names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableTriggers($table = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SHOW TRIGGERS';
+        if (null !== $table) {
+            $table = $db->quote($table, 'text');
+            $query .= " LIKE $table";
+        }
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of table names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SHOW /*!50002 FULL*/ TABLES";
+        if (null !== $database) {
+            $query .= " FROM $database";
+        }
+        $query.= "/*!50002  WHERE Table_type = 'BASE TABLE'*/";
+
+        $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $result = array();
+        foreach ($table_names as $table) {
+            if (!$this->_fixSequenceName($table[0], true)) {
+                $result[] = $table[0];
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SHOW FULL TABLES';
+        if (null !== $database) {
+            $query.= " FROM $database";
+        }
+        $query.= " WHERE Table_type = 'VIEW'";
+
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a table in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of field names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $result = $db->queryCol("SHOW COLUMNS FROM $table");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * Get the stucture of a field into an array
+     *
+     * @author Leoncx
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                                'length' => 10
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "CREATE INDEX $name ON $table";
+        $fields = array();
+        foreach ($definition['fields'] as $field => $fieldinfo) {
+            if (!empty($fieldinfo['length'])) {
+                $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
+            } else {
+                $fields[] = $db->quoteIdentifier($field, true);
+            }
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        return $db->exec("DROP INDEX $name ON $table");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of index names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        $non_unique = 'Non_unique';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $non_unique = strtolower($non_unique);
+            } else {
+                $key_name = strtoupper($key_name);
+                $non_unique = strtoupper($non_unique);
+            }
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table";
+        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $index_data) {
+            if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
+                $result[$index] = true;
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createConstraint()
+
+    /**
+     * create a constraint on a table
+     *
+     * @param string    $table         name of the table on which the constraint is to be created
+     * @param string    $name         name of the constraint to be created
+     * @param array     $definition        associative array that defines properties of the constraint to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the constraint fields as array
+     *                                 constraints. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the constraint that are specific to
+     *                                 each field.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createConstraint($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $type = '';
+        $idx_name = $db->quoteIdentifier($db->getIndexName($name), true);
+        if (!empty($definition['primary'])) {
+            $type = 'PRIMARY';
+            $idx_name = 'KEY';
+        } elseif (!empty($definition['unique'])) {
+            $type = 'UNIQUE';
+        } elseif (!empty($definition['foreign'])) {
+            $type = 'CONSTRAINT';
+        }
+        if (empty($type)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'invalid definition, could not create constraint', __FUNCTION__);
+        }
+
+        $table_quoted = $db->quoteIdentifier($table, true);
+        $query = "ALTER TABLE $table_quoted ADD $type $idx_name";
+        if (!empty($definition['foreign'])) {
+            $query .= ' FOREIGN KEY';
+        }
+        $fields = array();
+        foreach ($definition['fields'] as $field => $fieldinfo) {
+            $quoted = $db->quoteIdentifier($field, true);
+            if (!empty($fieldinfo['length'])) {
+                $quoted .= '(' . $fieldinfo['length'] . ')';
+            }
+            $fields[] = $quoted;
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+        if (!empty($definition['foreign'])) {
+            $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+            $referenced_fields = array();
+            foreach (array_keys($definition['references']['fields']) as $field) {
+                $referenced_fields[] = $db->quoteIdentifier($field, true);
+            }
+            $query .= ' ('. implode(', ', $referenced_fields) . ')';
+            $query .= $this->_getAdvancedFKOptions($definition);
+
+            // add index on FK column(s) or we can't add a FK constraint
+            // @see http://forums.mysql.com/read.php?22,19755,226009
+            $result = $this->createIndex($table, $name.'_fkidx', $definition);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+        if (!empty($definition['foreign'])) {
+            return $this->_createFKTriggers($table, array($name => $definition));
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropConstraint()
+
+    /**
+     * drop existing constraint
+     *
+     * @param string    $table        name of table that should be used in method
+     * @param string    $name         name of the constraint to be dropped
+     * @param string    $primary      hint if the constraint is primary
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropConstraint($table, $name, $primary = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        if ($primary || strtolower($name) == 'primary') {
+            $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+            return $db->exec($query);
+        }
+        
+        //is it a FK constraint? If so, also delete the associated triggers
+        $db->loadModule('Reverse', null, true);
+        $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+            //first drop the FK enforcing triggers
+            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            //then drop the constraint itself
+            $table = $db->quoteIdentifier($table, true);
+            $name = $db->quoteIdentifier($db->getIndexName($name), true);
+            $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+            return $db->exec($query);
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        $query = "ALTER TABLE $table DROP INDEX $name";
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ _createFKTriggers()
+
+    /**
+     * Create triggers to enforce the FOREIGN KEY constraint on the table
+     *
+     * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+     * we call a non-existent procedure to raise the FK violation message.
+     * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+     *
+     * @param string $table        table name
+     * @param array  $foreign_keys FOREIGN KEY definitions
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _createFKTriggers($table, $foreign_keys)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        // create triggers to enforce FOREIGN KEY constraints
+        if ($db->supports('triggers') && !empty($foreign_keys)) {
+            $table_quoted = $db->quoteIdentifier($table, true);
+            foreach ($foreign_keys as $fkname => $fkdef) {
+                if (empty($fkdef)) {
+                    continue;
+                }
+                //set actions to default if not set
+                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
+                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($fkdef['ondelete']);
+
+                $trigger_names = array(
+                    'insert'    => $fkname.'_insert_trg',
+                    'update'    => $fkname.'_update_trg',
+                    'pk_update' => $fkname.'_pk_update_trg',
+                    'pk_delete' => $fkname.'_pk_delete_trg',
+                );
+                $table_fields = array_keys($fkdef['fields']);
+                $referenced_fields = array_keys($fkdef['references']['fields']);
+
+                //create the ON [UPDATE|DELETE] triggers on the primary table
+                $restrict_action = ' IF (SELECT ';
+                $aliased_fields = array();
+                foreach ($table_fields as $field) {
+                    $aliased_fields[] = $table_quoted .'.'.$field .' AS '.$field;
+                }
+                $restrict_action .= implode(',', $aliased_fields)
+                       .' FROM '.$table_quoted
+                       .' WHERE ';
+                $conditions  = array();
+                $new_values  = array();
+                $null_values = array();
+                for ($i=0; $i<count($table_fields); $i++) {
+                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+                    $null_values[] = $table_fields[$i] .' = NULL';
+                }
+                $conditions2 = array();
+                if ('NO ACTION' != $fkdef['ondelete']) {
+                    // There is no NEW row in on DELETE trigger
+                    for ($i=0; $i<count($referenced_fields); $i++) {
+                        $conditions2[]  = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
+                    }
+                }
+
+                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL';
+                if (!empty($conditions2)) {
+                    $restrict_action .= ' AND (' .implode(' OR ', $conditions2) .')';
+                }
+                $restrict_action .= ' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+                                   .' END IF;';
+
+                $cascade_action_update = 'UPDATE '.$table_quoted.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+                $cascade_action_delete = 'DELETE FROM '.$table_quoted.' WHERE '.implode(' AND ', $conditions). ';';
+                $setnull_action        = 'UPDATE '.$table_quoted.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
+
+                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+                    $db->loadModule('Reverse', null, true);
+                    $default_values = array();
+                    foreach ($table_fields as $table_field) {
+                        $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
+                        if (PEAR::isError($field_definition)) {
+                            return $field_definition;
+                        }
+                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+                    }
+                    $setdefault_action = 'UPDATE '.$table_quoted.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+                }
+
+                $query = 'CREATE TRIGGER %s'
+                        .' %s ON '.$fkdef['references']['table']
+                        .' FOR EACH ROW BEGIN '
+                        .' SET FOREIGN_KEY_CHECKS = 0; ';  //only really needed for ON UPDATE CASCADE
+
+                if ('CASCADE' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE',  'update') . $cascade_action_update;
+                } elseif ('SET NULL' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+                } elseif ('NO ACTION' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+                } elseif ('RESTRICT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+                }
+                if ('CASCADE' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE',  'delete') . $cascade_action_delete;
+                } elseif ('SET NULL' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+                } elseif ('NO ACTION' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+                } elseif ('RESTRICT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+                }
+                $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+                $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+                $db->pushErrorHandling(PEAR_ERROR_RETURN);
+                $db->expectError(MDB2_ERROR_CANNOT_CREATE); 
+                $result = $db->exec($sql_delete);
+                $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+                $db->popExpect();
+                $db->popErrorHandling();
+                if (PEAR::isError($result)) {
+                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                        return $result;
+                    }
+                    $db->warnings[] = $expected_errmsg;
+                }
+                $db->pushErrorHandling(PEAR_ERROR_RETURN);
+                $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+                $result = $db->exec($sql_update);
+                $db->popExpect();
+                $db->popErrorHandling();
+                if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                    if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+                        return $result;
+                    }
+                    $db->warnings[] = $expected_errmsg;
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _dropFKTriggers()
+
+    /**
+     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+     *
+     * @param string $table            table name
+     * @param string $fkname           FOREIGN KEY constraint name
+     * @param string $referenced_table referenced table name
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _dropFKTriggers($table, $fkname, $referenced_table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $triggers  = $this->listTableTriggers($table);
+        $triggers2 = $this->listTableTriggers($referenced_table);
+        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+            $triggers = array_merge($triggers, $triggers2);
+            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+            foreach ($triggers as $trigger) {
+                if (preg_match($pattern, $trigger)) {
+                    $result = $db->exec('DROP TRIGGER '.$trigger);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ listTableConstraints()
+
+    /**
+     * list all constraints in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of constraint names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableConstraints($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        $non_unique = 'Non_unique';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $non_unique = strtolower($non_unique);
+            } else {
+                $key_name = strtoupper($key_name);
+                $non_unique = strtoupper($non_unique);
+            }
+        }
+
+        $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
+        $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $index_data) {
+            if (!$index_data[$non_unique]) {
+                if ($index_data[$key_name] !== 'PRIMARY') {
+                    $index = $this->_fixIndexName($index_data[$key_name]);
+                } else {
+                    $index = 'PRIMARY';
+                }
+                if (!empty($index)) {
+                    $result[$index] = true;
+                }
+            }
+        }
+
+        //list FOREIGN KEY constraints...
+        $query = 'SHOW CREATE TABLE '. $db->escape($table);
+        $definition = $db->queryOne($query, 'text', 1);
+        if (!PEAR::isError($definition) && !empty($definition)) {
+            $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+            if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
+                foreach ($matches[1] as $constraint) {
+                    $result[$constraint] = true;
+                }
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name name of the sequence to be created
+     * @param string    $start    start value of the sequence; default is 1
+     * @param array     $options  An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'charset' => 'utf8',
+     *                              'collate' => 'utf8_unicode_ci',
+     *                              'type'    => 'innodb',
+     *                          );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+        
+        $options_strings = array();
+
+        if (!empty($options['comment'])) {
+            $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+        }
+
+        if (!empty($options['charset'])) {
+            $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+            if (!empty($options['collate'])) {
+                $options_strings['charset'].= ' COLLATE '.$options['collate'];
+            }
+        }
+
+        $type = false;
+        if (!empty($options['type'])) {
+            $type = $options['type'];
+        } elseif ($db->options['default_table_type']) {
+            $type = $db->options['default_table_type'];
+        }
+        if ($type) {
+            $options_strings[] = "ENGINE = $type";
+        }
+
+        $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
+        if (!empty($options_strings)) {
+            $query .= ' '.implode(' ', $options_strings);
+        }
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+
+        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
+        $res = $db->exec($query);
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+
+        // Handle error
+        $result = $db->exec("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError($result, null, null,
+                'could not drop inconsistent sequence table', __FUNCTION__);
+        }
+
+        return $db->raiseError($res, null, null,
+            'could not create sequence table', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        return $db->exec("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @param string database, the current is default
+     * @return mixed array of sequence names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences($database = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SHOW TABLES";
+        if (null !== $database) {
+            $query .= " FROM $database";
+        }
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if ($sqn = $this->_fixSequenceName($table_name, true)) {
+                $result[] = $sqn;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php
index 1015c2bef..913a58db0 100644
--- a/program/lib/MDB2/Driver/Manager/pgsql.php
+++ b/program/lib/MDB2/Driver/Manager/pgsql.php
@@ -42,7 +42,7 @@
 // | Author: Paul Cooper <pgc@ucecom.com>                                 |
 // +----------------------------------------------------------------------+
 //
-// $Id: pgsql.php,v 1.82 2008/03/05 12:55:57 afz Exp $
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
 
 require_once 'MDB2/Driver/Manager/Common.php';
 
@@ -349,6 +349,8 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
             return MDB2_OK;
         }
 
+        $name = $db->quoteIdentifier($name, true);
+
         if (!empty($changes['remove']) && is_array($changes['remove'])) {
             foreach ($changes['remove'] as $field_name => $field) {
                 $field_name = $db->quoteIdentifier($field_name, true);
@@ -393,7 +395,8 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
                             'changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above', __FUNCTION__);
                     }
                     $db->loadModule('Datatype', null, true);
-                    $query = "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field['definition']);
+                    $type = $db->datatype->getTypeDeclaration($field['definition']);
+                    $query = "ALTER $field_name TYPE $type USING CAST($field_name AS $type)";
                     $result = $db->exec("ALTER TABLE $name $query");
                     if (PEAR::isError($result)) {
                         return $result;
@@ -406,7 +409,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
                         return $result;
                     }
                 }
-                if (!empty($field['definition']['notnull'])) {
+                if (array_key_exists('notnull', $field['definition'])) {
                     $query = "ALTER $field_name ".($field['definition']['notnull'] ? 'SET' : 'DROP').' NOT NULL';
                     $result = $db->exec("ALTER TABLE $name $query");
                     if (PEAR::isError($result)) {
@@ -416,7 +419,6 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
             }
         }
 
-        $name = $db->quoteIdentifier($name, true);
         if (!empty($changes['name'])) {
             $change_name = $db->quoteIdentifier($changes['name'], true);
             $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name);
@@ -606,9 +608,9 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
                     FROM pg_trigger trg,
                          pg_class tbl
                    WHERE trg.tgrelid = tbl.oid';
-        if (!is_null($table)) {
+        if (null !== $table) {
             $table = $db->quote(strtoupper($table), 'text');
-            $query .= " AND tbl.relname = $table";
+            $query .= " AND UPPER(tbl.relname) = $table";
         }
         $result = $db->queryCol($query);
         if (PEAR::isError($result)) {
@@ -683,7 +685,12 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
             return $db;
         }
 
+        list($schema, $table) = $this->splitTableSchema($table);
+
         $table = $db->quoteIdentifier($table, true);
+        if (!empty($schema)) {
+            $table = $db->quoteIdentifier($schema, true) . '.' .$table;
+        }
         $db->setLimit(1);
         $result2 = $db->query("SELECT * FROM $table");
         if (PEAR::isError($result2)) {
@@ -714,9 +721,19 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
             return $db;
         }
 
+        list($schema, $table) = $this->splitTableSchema($table);
+
         $table = $db->quote($table, 'text');
-        $subquery = "SELECT indexrelid FROM pg_index, pg_class";
-        $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'";
+        $subquery = "SELECT indexrelid
+                       FROM pg_index
+                  LEFT JOIN pg_class ON pg_class.oid = pg_index.indrelid
+                  LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid
+                      WHERE pg_class.relname = $table
+                        AND indisunique != 't'
+                        AND indisprimary != 't'";
+        if (!empty($schema)) {
+            $subquery .= ' AND pg_namespace.nspname = '.$db->quote($schema, 'text');
+        }
         $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
         $indexes = $db->queryCol($query, 'text');
         if (PEAR::isError($indexes)) {
@@ -738,6 +755,57 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
     }
 
     // }}}
+    // {{{ dropConstraint()
+
+    /**
+     * drop existing constraint
+     *
+     * @param string $table   name of table that should be used in method
+     * @param string $name    name of the constraint to be dropped
+     * @param string $primary hint if the constraint is primary
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropConstraint($table, $name, $primary = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        // is it an UNIQUE index?
+        $query = 'SELECT relname
+                    FROM pg_class
+                   WHERE oid IN (
+                         SELECT indexrelid
+                           FROM pg_index, pg_class
+                          WHERE pg_class.relname = '.$db->quote($table, 'text').'
+                            AND pg_class.oid = pg_index.indrelid
+                            AND indisunique = \'t\')
+                  EXCEPT
+                  SELECT conname
+                   FROM pg_constraint, pg_class
+                  WHERE pg_constraint.conrelid = pg_class.oid
+                    AND relname = '. $db->quote($table, 'text');
+        $unique = $db->queryCol($query, 'text');
+        if (PEAR::isError($unique) || empty($unique)) {
+            // not an UNIQUE index, maybe a CONSTRAINT
+            return parent::dropConstraint($table, $name, $primary);
+        }
+
+        if (in_array($name, $unique)) {
+            return $db->exec('DROP INDEX '.$db->quoteIdentifier($name, true));
+        }
+        $idxname = $db->getIndexName($name);
+        if (in_array($idxname, $unique)) {
+            return $db->exec('DROP INDEX '.$db->quoteIdentifier($idxname, true));
+        }
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+            $name . ' is not an existing constraint for table ' . $table, __FUNCTION__);
+    }
+
+    // }}}
     // {{{ listTableConstraints()
 
     /**
@@ -754,11 +822,32 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
             return $db;
         }
 
+        list($schema, $table) = $this->splitTableSchema($table);
+
         $table = $db->quote($table, 'text');
         $query = 'SELECT conname
-                    FROM pg_constraint, pg_class
-                   WHERE pg_constraint.conrelid = pg_class.oid
-                     AND relname = ' .$table;
+                    FROM pg_constraint
+               LEFT JOIN pg_class ON pg_constraint.conrelid = pg_class.oid
+               LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid
+                   WHERE relname = ' .$table;
+        if (!empty($schema)) {
+            $query .= ' AND pg_namespace.nspname = ' . $db->quote($schema, 'text');
+        }
+        $query .= '
+                   UNION DISTINCT
+                  SELECT relname
+                    FROM pg_class
+                   WHERE oid IN (
+                         SELECT indexrelid
+                           FROM pg_index
+                      LEFT JOIN pg_class ON pg_class.oid = pg_index.indrelid
+                      LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid
+                          WHERE pg_class.relname = '.$table.'
+                            AND indisunique = \'t\'';
+        if (!empty($schema)) {
+            $query .= ' AND pg_namespace.nspname = ' . $db->quote($schema, 'text');
+        }
+        $query .= ')';
         $constraints = $db->queryCol($query);
         if (PEAR::isError($constraints)) {
             return $constraints;
diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php
index 676127c94..ba0d162c5 100644
--- a/program/lib/MDB2/Driver/Manager/sqlite.php
+++ b/program/lib/MDB2/Driver/Manager/sqlite.php
@@ -1,1356 +1,1362 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton                       |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Authors: Lukas Smith <smith@pooteeweet.org>                          |

-// |          Lorenzo Alberton <l.alberton@quipo.it>                      |

-// +----------------------------------------------------------------------+

-//

-// $Id: sqlite.php,v 1.74 2008/03/05 11:08:53 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Manager/Common.php';

-

-/**

- * MDB2 SQLite driver for the management modules

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- * @author  Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common

-{

-    // {{{ createDatabase()

-

-    /**

-     * create a new database

-     *

-     * @param string $name    name of the database that should be created

-     * @param array  $options array with charset info

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createDatabase($name, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $database_file = $db->_getDatabaseFile($name);

-        if (file_exists($database_file)) {

-            return $db->raiseError(MDB2_ERROR_ALREADY_EXISTS, null, null,

-                'database already exists', __FUNCTION__);

-        }

-        $php_errormsg = '';

-        $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg);

-        if (!$handle) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,

-                (isset($php_errormsg) ? $php_errormsg : 'could not create the database file'), __FUNCTION__);

-        }

-        if (!empty($options['charset'])) {

-            $query = 'PRAGMA encoding = ' . $db->quote($options['charset'], 'text');

-            @sqlite_query($query, $handle);

-        }

-        @sqlite_close($handle);

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropDatabase()

-

-    /**

-     * drop an existing database

-     *

-     * @param string $name name of the database that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropDatabase($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $database_file = $db->_getDatabaseFile($name);

-        if (!@file_exists($database_file)) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,

-                'database does not exist', __FUNCTION__);

-        }

-        $result = @unlink($database_file);

-        if (!$result) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,

-                (isset($php_errormsg) ? $php_errormsg : 'could not remove the database file'), __FUNCTION__);

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ _getAdvancedFKOptions()

-

-    /**

-     * Return the FOREIGN KEY query section dealing with non-standard options

-     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...

-     *

-     * @param array $definition

-     * @return string

-     * @access protected

-     */

-    function _getAdvancedFKOptions($definition)

-    {

-        $query = '';

-        if (!empty($definition['match'])) {

-            $query .= ' MATCH '.$definition['match'];

-        }

-        if (!empty($definition['onupdate']) && (strtoupper($definition['onupdate']) != 'NO ACTION')) {

-            $query .= ' ON UPDATE '.$definition['onupdate'];

-        }

-        if (!empty($definition['ondelete']) && (strtoupper($definition['ondelete']) != 'NO ACTION')) {

-            $query .= ' ON DELETE '.$definition['ondelete'];

-        }

-        if (!empty($definition['deferrable'])) {

-            $query .= ' DEFERRABLE';

-        } else {

-            $query .= ' NOT DEFERRABLE';

-        }

-        if (!empty($definition['initiallydeferred'])) {

-            $query .= ' INITIALLY DEFERRED';

-        } else {

-            $query .= ' INITIALLY IMMEDIATE';

-        }

-        return $query;

-    }

-

-    // }}}

-    // {{{ _getCreateTableQuery()

-

-    /**

-     * Create a basic SQL query for a new table creation

-     * @param string $name   Name of the database that should be created

-     * @param array $fields  Associative array that contains the definition of each field of the new table

-     * @param array $options  An associative array of table options

-     * @return mixed string (the SQL query) on success, a MDB2 error on failure

-     * @see createTable()

-     */

-    function _getCreateTableQuery($name, $fields, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!$name) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,

-                'no valid table name specified', __FUNCTION__);

-        }

-        if (empty($fields)) {

-            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,

-                'no fields specified for table "'.$name.'"', __FUNCTION__);

-        }

-        $query_fields = $this->getFieldDeclarationList($fields);

-        if (PEAR::isError($query_fields)) {

-            return $query_fields;

-        }

-        if (!empty($options['primary'])) {

-            $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';

-        }

-        if (!empty($options['foreign_keys'])) {

-            foreach ($options['foreign_keys'] as $fkname => $fkdef) {

-                if (empty($fkdef)) {

-                    continue;

-                }

-                $query_fields.= ', CONSTRAINT '.$fkname.' FOREIGN KEY ('.implode(', ', array_keys($fkdef['fields'])).')';

-                $query_fields.= ' REFERENCES '.$fkdef['references']['table'].' ('.implode(', ', array_keys($fkdef['references']['fields'])).')';

-                $query_fields.= $this->_getAdvancedFKOptions($fkdef);

-            }

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        $result = 'CREATE ';

-        if (!empty($options['temporary'])) {

-            $result .= $this->_getTemporaryTableQuery();

-        }

-        $result .= " TABLE $name ($query_fields)";

-        return $result;

-    }

-

-    // }}}

-    // {{{ createTable()

-

-    /**

-     * create a new table

-     *

-     * @param string $name   Name of the database that should be created

-     * @param array $fields  Associative array that contains the definition of each field of the new table

-     * @param array $options  An associative array of table options

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createTable($name, $fields, $options = array())

-    {

-        $result = parent::createTable($name, $fields, $options);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        // create triggers to enforce FOREIGN KEY constraints

-        if (!empty($options['foreign_keys'])) {

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-            foreach ($options['foreign_keys'] as $fkname => $fkdef) {

-                if (empty($fkdef)) {

-                    continue;

-                }

-                //set actions to 'RESTRICT' if not set

-                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);

-                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);

-

-                $trigger_names = array(

-                    'insert'    => $fkname.'_insert_trg',

-                    'update'    => $fkname.'_update_trg',

-                    'pk_update' => $fkname.'_pk_update_trg',

-                    'pk_delete' => $fkname.'_pk_delete_trg',

-                );

-                

-                //create the [insert|update] triggers on the FK table

-                $table_fields = array_keys($fkdef['fields']);

-                $referenced_fields = array_keys($fkdef['references']['fields']);

-                $query = 'CREATE TRIGGER %s BEFORE %s ON '.$name

-                        .' FOR EACH ROW BEGIN'

-                        .' SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'

-                        .' WHERE  (SELECT ';

-                $aliased_fields = array();

-                foreach ($referenced_fields as $field) {

-                    $aliased_fields[] = $fkdef['references']['table'] .'.'.$field .' AS '.$field;

-                }

-                $query .= implode(',', $aliased_fields)

-                       .' FROM '.$fkdef['references']['table']

-                       .' WHERE ';

-                $conditions = array();

-                for ($i=0; $i<count($table_fields); $i++) {

-                    $conditions[] = $referenced_fields[$i] .' = NEW.'.$table_fields[$i];

-                }

-                $query .= implode(' AND ', $conditions).') IS NULL; END;';

-                $result = $db->exec(sprintf($query, $trigger_names['insert'], 'INSERT', 'insert'));

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-

-                $result = $db->exec(sprintf($query, $trigger_names['update'], 'UPDATE', 'update'));

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-                

-                //create the ON [UPDATE|DELETE] triggers on the primary table

-                $restrict_action = 'SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'

-                                  .' WHERE  (SELECT ';

-                $aliased_fields = array();

-                foreach ($table_fields as $field) {

-                    $aliased_fields[] = $name .'.'.$field .' AS '.$field;

-                }

-                $restrict_action .= implode(',', $aliased_fields)

-                       .' FROM '.$name

-                       .' WHERE ';

-                $conditions  = array();

-                $new_values  = array();

-                $null_values = array();

-                for ($i=0; $i<count($table_fields); $i++) {

-                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];

-                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];

-                    $null_values[] = $table_fields[$i] .' = NULL';

-                }

-                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL';

-

-                $cascade_action_update = 'UPDATE '.$name.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions);

-                $cascade_action_delete = 'DELETE FROM '.$name.' WHERE '.implode(' AND ', $conditions);

-                $setnull_action        = 'UPDATE '.$name.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions);

-

-                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {

-                    $db->loadModule('Reverse', null, true);

-                    $default_values = array();

-                    foreach ($table_fields as $table_field) {

-                        $field_definition = $db->reverse->getTableFieldDefinition($name, $field);

-                        if (PEAR::isError($field_definition)) {

-                            return $field_definition;

-                        }

-                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];

-                    }

-                    $setdefault_action = 'UPDATE '.$name.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions);

-                }

-

-                $query = 'CREATE TRIGGER %s'

-                        .' %s ON '.$fkdef['references']['table']

-                        .' FOR EACH ROW BEGIN ';

-

-                if ('CASCADE' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'AFTER UPDATE',  'update') . $cascade_action_update. '; END;';

-                } elseif ('SET NULL' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action. '; END;';

-                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action. '; END;';

-                } elseif ('NO ACTION' == $fkdef['onupdate']) {

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update') . '; END;';

-                } else {

-                    //'RESTRICT'

-                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . '; END;';

-                }

-                if ('CASCADE' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'AFTER DELETE',  'delete') . $cascade_action_delete. '; END;';

-                } elseif ('SET NULL' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action. '; END;';

-                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action. '; END;';

-                } elseif ('NO ACTION' == $fkdef['ondelete']) {

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete')  . '; END;';

-                } else {

-                    //'RESTRICT'

-                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . '; END;';

-                }

-

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-                $result = $db->exec($sql_delete);

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-                $result = $db->exec($sql_update);

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-            }

-        }

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ dropTable()

-

-    /**

-     * drop an existing table

-     *

-     * @param string $name name of the table that should be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropTable($name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        //delete the triggers associated to existing FK constraints

-        $constraints = $this->listTableConstraints($name);

-        if (!PEAR::isError($constraints) && !empty($constraints)) {

-            $db->loadModule('Reverse', null, true);

-            foreach ($constraints as $constraint) {

-                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);

-                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-

-        $name = $db->quoteIdentifier($name, true);

-        return $db->exec("DROP TABLE $name");

-    }

-

-    // }}}

-    // {{{ vacuum()

-

-    /**

-     * Optimize (vacuum) all the tables in the db (or only the specified table)

-     * and optionally run ANALYZE.

-     *

-     * @param string $table table name (all the tables if empty)

-     * @param array  $options an array with driver-specific options:

-     *               - timeout [int] (in seconds) [mssql-only]

-     *               - analyze [boolean] [pgsql and mysql]

-     *               - full [boolean] [pgsql-only]

-     *               - freeze [boolean] [pgsql-only]

-     *

-     * @return mixed MDB2_OK success, a MDB2 error on failure

-     * @access public

-     */

-    function vacuum($table = null, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'VACUUM';

-        if (!empty($table)) {

-            $query .= ' '.$db->quoteIdentifier($table, true);

-        }

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ alterTable()

-

-    /**

-     * alter an existing table

-     *

-     * @param string $name         name of the table that is intended to be changed.

-     * @param array $changes     associative array that contains the details of each type

-     *                             of change that is intended to be performed. The types of

-     *                             changes that are currently supported are defined as follows:

-     *

-     *                             name

-     *

-     *                                New name for the table.

-     *

-     *                            add

-     *

-     *                                Associative array with the names of fields to be added as

-     *                                 indexes of the array. The value of each entry of the array

-     *                                 should be set to another associative array with the properties

-     *                                 of the fields to be added. The properties of the fields should

-     *                                 be the same as defined by the MDB2 parser.

-     *

-     *

-     *                            remove

-     *

-     *                                Associative array with the names of fields to be removed as indexes

-     *                                 of the array. Currently the values assigned to each entry are ignored.

-     *                                 An empty array should be used for future compatibility.

-     *

-     *                            rename

-     *

-     *                                Associative array with the names of fields to be renamed as indexes

-     *                                 of the array. The value of each entry of the array should be set to

-     *                                 another associative array with the entry named name with the new

-     *                                 field name and the entry named Declaration that is expected to contain

-     *                                 the portion of the field declaration already in DBMS specific SQL code

-     *                                 as it is used in the CREATE TABLE statement.

-     *

-     *                            change

-     *

-     *                                Associative array with the names of the fields to be changed as indexes

-     *                                 of the array. Keep in mind that if it is intended to change either the

-     *                                 name of a field and any other properties, the change array entries

-     *                                 should have the new names of the fields as array indexes.

-     *

-     *                                The value of each entry of the array should be set to another associative

-     *                                 array with the properties of the fields to that are meant to be changed as

-     *                                 array entries. These entries should be assigned to the new values of the

-     *                                 respective properties. The properties of the fields should be the same

-     *                                 as defined by the MDB2 parser.

-     *

-     *                            Example

-     *                                array(

-     *                                    'name' => 'userlist',

-     *                                    'add' => array(

-     *                                        'quota' => array(

-     *                                            'type' => 'integer',

-     *                                            'unsigned' => 1

-     *                                        )

-     *                                    ),

-     *                                    'remove' => array(

-     *                                        'file_limit' => array(),

-     *                                        'time_limit' => array()

-     *                                    ),

-     *                                    'change' => array(

-     *                                        'name' => array(

-     *                                            'length' => '20',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 20,

-     *                                            ),

-     *                                        )

-     *                                    ),

-     *                                    'rename' => array(

-     *                                        'sex' => array(

-     *                                            'name' => 'gender',

-     *                                            'definition' => array(

-     *                                                'type' => 'text',

-     *                                                'length' => 1,

-     *                                                'default' => 'M',

-     *                                            ),

-     *                                        )

-     *                                    )

-     *                                )

-     *

-     * @param boolean $check     indicates whether the function should just check if the DBMS driver

-     *                             can perform the requested table alterations if the value is true or

-     *                             actually perform them otherwise.

-     * @access public

-     *

-      * @return mixed MDB2_OK on success, a MDB2 error on failure

-     */

-    function alterTable($name, $changes, $check, $options = array())

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        foreach ($changes as $change_name => $change) {

-            switch ($change_name) {

-            case 'add':

-            case 'remove':

-            case 'change':

-            case 'name':

-            case 'rename':

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,

-                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);

-            }

-        }

-

-        if ($check) {

-            return MDB2_OK;

-        }

-

-        $db->loadModule('Reverse', null, true);

-

-        // actually sqlite 2.x supports no ALTER TABLE at all .. so we emulate it

-        $fields = $db->manager->listTableFields($name);

-        if (PEAR::isError($fields)) {

-            return $fields;

-        }

-

-        $fields = array_flip($fields);

-        foreach ($fields as $field => $value) {

-            $definition = $db->reverse->getTableFieldDefinition($name, $field);

-            if (PEAR::isError($definition)) {

-                return $definition;

-            }

-            $fields[$field] = $definition[0];

-        }

-

-        $indexes = $db->manager->listTableIndexes($name);

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $indexes = array_flip($indexes);

-        foreach ($indexes as $index => $value) {

-            $definition = $db->reverse->getTableIndexDefinition($name, $index);

-            if (PEAR::isError($definition)) {

-                return $definition;

-            }

-            $indexes[$index] = $definition;

-        }

-

-        $constraints = $db->manager->listTableConstraints($name);

-        if (PEAR::isError($constraints)) {

-            return $constraints;

-        }

-

-        if (!array_key_exists('foreign_keys', $options)) {

-            $options['foreign_keys'] = array();

-        }

-        $constraints = array_flip($constraints);

-        foreach ($constraints as $constraint => $value) {

-            if (!empty($definition['primary'])) {

-                if (!array_key_exists('primary', $options)) {

-                    $options['primary'] = $definition['fields'];

-                    //remove from the $constraint array, it's already handled by createTable()

-                    unset($constraints[$constraint]);

-                }

-            } else {

-                $c_definition = $db->reverse->getTableConstraintDefinition($name, $constraint);

-                if (PEAR::isError($c_definition)) {

-                    return $c_definition;

-                }

-                if (!empty($c_definition['foreign'])) {

-                    if (!array_key_exists($constraint, $options['foreign_keys'])) {

-                        $options['foreign_keys'][$constraint] = $c_definition;

-                    }

-                    //remove from the $constraint array, it's already handled by createTable()

-                    unset($constraints[$constraint]);

-                } else {

-                    $constraints[$constraint] = $c_definition;

-                }

-            }

-        }

-

-        $name_new = $name;

-        $create_order = $select_fields = array_keys($fields);

-        foreach ($changes as $change_name => $change) {

-            switch ($change_name) {

-            case 'add':

-                foreach ($change as $field_name => $field) {

-                    $fields[$field_name] = $field;

-                    $create_order[] = $field_name;

-                }

-                break;

-            case 'remove':

-                foreach ($change as $field_name => $field) {

-                    unset($fields[$field_name]);

-                    $select_fields = array_diff($select_fields, array($field_name));

-                    $create_order = array_diff($create_order, array($field_name));

-                }

-                break;

-            case 'change':

-                foreach ($change as $field_name => $field) {

-                    $fields[$field_name] = $field['definition'];

-                }

-                break;

-            case 'name':

-                $name_new = $change;

-                break;

-            case 'rename':

-                foreach ($change as $field_name => $field) {

-                    unset($fields[$field_name]);

-                    $fields[$field['name']] = $field['definition'];

-                    $create_order[array_search($field_name, $create_order)] = $field['name'];

-                }

-                break;

-            default:

-                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,

-                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);

-            }

-        }

-

-        $data = null;

-        if (!empty($select_fields)) {

-            $query = 'SELECT '.implode(', ', $select_fields).' FROM '.$db->quoteIdentifier($name, true);

-            $data = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);

-        }

-

-        $result = $this->dropTable($name);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        $result = $this->createTable($name_new, $fields, $options);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        foreach ($indexes as $index => $definition) {

-            $this->createIndex($name_new, $index, $definition);

-        }

-

-        foreach ($constraints as $constraint => $definition) {

-            $this->createConstraint($name_new, $constraint, $definition);

-        }

-

-        if (!empty($select_fields) && !empty($data)) {

-            $query = 'INSERT INTO '.$db->quoteIdentifier($name_new, true);

-            $query.= '('.implode(', ', array_slice(array_keys($fields), 0, count($select_fields))).')';

-            $query.=' VALUES (?'.str_repeat(', ?', (count($select_fields) - 1)).')';

-            $stmt =& $db->prepare($query, null, MDB2_PREPARE_MANIP);

-            if (PEAR::isError($stmt)) {

-                return $stmt;

-            }

-            foreach ($data as $row) {

-                $result = $stmt->execute($row);

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ listDatabases()

-

-    /**

-     * list all databases

-     *

-     * @return mixed array of database names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listDatabases()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'list databases is not supported', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listUsers()

-

-    /**

-     * list all users

-     *

-     * @return mixed array of user names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listUsers()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'list databases is not supported', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ listViews()

-

-    /**

-     * list all views in the current database

-     *

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listViews()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM sqlite_master WHERE type='view' AND sql NOT NULL";

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableViews()

-

-    /**

-     * list the views in the database that reference a given table

-     *

-     * @param string table for which all referenced views should be found

-     * @return mixed array of view names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableViews($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";

-        $views = $db->queryAll($query, array('text', 'text'), MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($views)) {

-            return $views;

-        }

-        $result = array();

-        foreach ($views as $row) {

-            if (preg_match("/^create view .* \bfrom\b\s+\b{$table}\b /i", $row['sql'])) {

-                if (!empty($row['name'])) {

-                    $result[$row['name']] = true;

-                }

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ listTables()

-

-    /**

-     * list all tables in the current database

-     *

-     * @return mixed array of table names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTables()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";

-        $table_names = $db->queryCol($query);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-        $result = array();

-        foreach ($table_names as $table_name) {

-            if (!$this->_fixSequenceName($table_name, true)) {

-                $result[] = $table_name;

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ listTableFields()

-

-    /**

-     * list all fields in a table in the current database

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of field names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableFields($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Reverse', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');

-        } else {

-            $query.= 'name='.$db->quote($table, 'text');

-        }

-        $sql = $db->queryOne($query);

-        if (PEAR::isError($sql)) {

-            return $sql;

-        }

-        $columns = $db->reverse->_getTableColumns($sql);

-        $fields = array();

-        foreach ($columns as $column) {

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column['name'] = strtolower($column['name']);

-                } else {

-                    $column['name'] = strtoupper($column['name']);

-                }

-            } else {

-                $column = array_change_key_case($column, $db->options['field_case']);

-            }

-            $fields[] = $column['name'];

-        }

-        return $fields;

-    }

-

-    // }}}

-    // {{{ listTableTriggers()

-

-    /**

-     * list all triggers in the database that reference a given table

-     *

-     * @param string table for which all referenced triggers should be found

-     * @return mixed array of trigger names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableTriggers($table = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM sqlite_master WHERE type='trigger' AND sql NOT NULL";

-        if (!is_null($table)) {

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                $query.= ' AND LOWER(tbl_name)='.$db->quote(strtolower($table), 'text');

-            } else {

-                $query.= ' AND tbl_name='.$db->quote($table, 'text');

-            }

-        }

-        $result = $db->queryCol($query);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ createIndex()

-

-    /**

-     * Get the stucture of a field into an array

-     *

-     * @param string    $table         name of the table on which the index is to be created

-     * @param string    $name         name of the index to be created

-     * @param array     $definition        associative array that defines properties of the index to be created.

-     *                                 Currently, only one property named FIELDS is supported. This property

-     *                                 is also an associative with the names of the index fields as array

-     *                                 indexes. Each entry of this array is set to another type of associative

-     *                                 array that specifies properties of the index that are specific to

-     *                                 each field.

-     *

-     *                                Currently, only the sorting property is supported. It should be used

-     *                                 to define the sorting direction of the index. It may be set to either

-     *                                 ascending or descending.

-     *

-     *                                Not all DBMS support index sorting direction configuration. The DBMS

-     *                                 drivers of those that do not support it ignore this property. Use the

-     *                                 function support() to determine whether the DBMS driver can manage indexes.

-

-     *                                 Example

-     *                                    array(

-     *                                        'fields' => array(

-     *                                            'user_name' => array(

-     *                                                'sorting' => 'ascending'

-     *                                            ),

-     *                                            'last_login' => array()

-     *                                        )

-     *                                    )

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createIndex($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name  = $db->getIndexName($name);

-        $query = "CREATE INDEX $name ON $table";

-        $fields = array();

-        foreach ($definition['fields'] as $field_name => $field) {

-            $field_string = $field_name;

-            if (!empty($field['sorting'])) {

-                switch ($field['sorting']) {

-                case 'ascending':

-                    $field_string.= ' ASC';

-                    break;

-                case 'descending':

-                    $field_string.= ' DESC';

-                    break;

-                }

-            }

-            $fields[] = $field_string;

-        }

-        $query .= ' ('.implode(', ', $fields) . ')';

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropIndex()

-

-    /**

-     * drop existing index

-     *

-     * @param string    $table         name of table that should be used in method

-     * @param string    $name         name of the index to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropIndex($table, $name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $name = $db->getIndexName($name);

-        return $db->exec("DROP INDEX $name");

-    }

-

-    // }}}

-    // {{{ listTableIndexes()

-

-    /**

-     * list all indexes in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of index names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableIndexes($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quote($table, 'text');

-        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(tbl_name)='.strtolower($table);

-        } else {

-            $query.= "tbl_name=$table";

-        }

-        $query.= " AND sql NOT NULL ORDER BY name";

-        $indexes = $db->queryCol($query, 'text');

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $sql) {

-            if (preg_match("/^create index ([^ ]+) on /i", $sql, $tmp)) {

-                $index = $this->_fixIndexName($tmp[1]);

-                if (!empty($index)) {

-                    $result[$index] = true;

-                }

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createConstraint()

-

-    /**

-     * create a constraint on a table

-     *

-     * @param string $table      name of the table on which the constraint is to be created

-     * @param string $name       name of the constraint to be created

-     * @param array  $definition associative array that defines properties of the constraint to be created.

-     *                           Currently, only one property named FIELDS is supported. This property

-     *                           is also an associative with the names of the constraint fields as array

-     *                           constraints. Each entry of this array is set to another type of associative

-     *                           array that specifies properties of the constraint that are specific to

-     *                           each field.

-     *

-     *                           Example

-     *                              array(

-     *                                  'fields' => array(

-     *                                      'user_name' => array(),

-     *                                      'last_login' => array()

-     *                                  )

-     *                              )

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createConstraint($table, $name, $definition)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!empty($definition['primary'])) {

-            return $db->manager->alterTable($table, array(), false, array('primary' => $definition['fields']));

-        }

-        

-        if (!empty($definition['foreign'])) {

-            return $db->manager->alterTable($table, array(), false, array('foreign_keys' => array($name => $definition)));

-        }

-

-        $table = $db->quoteIdentifier($table, true);

-        $name  = $db->getIndexName($name);

-        $query = "CREATE UNIQUE INDEX $name ON $table";

-        $fields = array();

-        foreach ($definition['fields'] as $field_name => $field) {

-            $field_string = $field_name;

-            if (!empty($field['sorting'])) {

-                switch ($field['sorting']) {

-                case 'ascending':

-                    $field_string.= ' ASC';

-                    break;

-                case 'descending':

-                    $field_string.= ' DESC';

-                    break;

-                }

-            }

-            $fields[] = $field_string;

-        }

-        $query .= ' ('.implode(', ', $fields) . ')';

-        return $db->exec($query);

-    }

-

-    // }}}

-    // {{{ dropConstraint()

-

-    /**

-     * drop existing constraint

-     *

-     * @param string    $table        name of table that should be used in method

-     * @param string    $name         name of the constraint to be dropped

-     * @param string    $primary      hint if the constraint is primary

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropConstraint($table, $name, $primary = false)

-    {

-        if ($primary || $name == 'PRIMARY') {

-            return $this->alterTable($table, array(), false, array('primary' => null));

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        //is it a FK constraint? If so, also delete the associated triggers

-        $db->loadModule('Reverse', null, true);

-        $definition = $db->reverse->getTableConstraintDefinition($table, $name);

-        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {

-            //first drop the FK enforcing triggers

-            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            //then drop the constraint itself

-            return $this->alterTable($table, array(), false, array('foreign_keys' => array($name => null)));

-        }

-

-        $name = $db->getIndexName($name);

-        return $db->exec("DROP INDEX $name");

-    }

-

-    // }}}

-    // {{{ _dropFKTriggers()

-    

-    /**

-     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table

-     *

-     * @param string $table  table name

-     * @param string $fkname FOREIGN KEY constraint name

-     * @param string $referenced_table  referenced table name

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function _dropFKTriggers($table, $fkname, $referenced_table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $triggers  = $this->listTableTriggers($table);

-        $triggers2 = $this->listTableTriggers($referenced_table);

-        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {

-            $triggers = array_merge($triggers, $triggers2);

-            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';

-            foreach ($triggers as $trigger) {

-                if (preg_match($pattern, $trigger)) {

-                    $result = $db->exec('DROP TRIGGER '.$trigger);

-                    if (PEAR::isError($result)) {

-                        return $result;

-                    }

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }]]

-    // {{{ listTableConstraints()

-

-    /**

-     * list all constraints in a table

-     *

-     * @param string $table name of table that should be used in method

-     * @return mixed array of constraint names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listTableConstraints($table)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $table = $db->quote($table, 'text');

-        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(tbl_name)='.strtolower($table);

-        } else {

-            $query.= "tbl_name=$table";

-        }

-        $query.= " AND sql NOT NULL ORDER BY name";

-        $indexes = $db->queryCol($query, 'text');

-        if (PEAR::isError($indexes)) {

-            return $indexes;

-        }

-

-        $result = array();

-        foreach ($indexes as $sql) {

-            if (preg_match("/^create unique index ([^ ]+) on /i", $sql, $tmp)) {

-                $index = $this->_fixIndexName($tmp[1]);

-                if (!empty($index)) {

-                    $result[$index] = true;

-                }

-            }

-        }

-        

-        // also search in table definition for PRIMARY KEYs...

-        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(name)='.strtolower($table);

-        } else {

-            $query.= "name=$table";

-        }

-        $query.= " AND sql NOT NULL ORDER BY name";

-        $table_def = $db->queryOne($query, 'text');

-        if (PEAR::isError($table_def)) {

-            return $table_def;

-        }

-        if (preg_match("/\bPRIMARY\s+KEY\b/i", $table_def, $tmp)) {

-            $result['primary'] = true;

-        }

-

-        // ...and for FOREIGN KEYs

-        if (preg_match_all("/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN\s+KEY/imsx", $table_def, $tmp)) {

-            foreach ($tmp[1] as $fk) {

-                $result[$fk] = true;

-            }

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_change_key_case($result, $db->options['field_case']);

-        }

-        return array_keys($result);

-    }

-

-    // }}}

-    // {{{ createSequence()

-

-    /**

-     * create sequence

-     *

-     * @param string    $seq_name     name of the sequence to be created

-     * @param string    $start         start value of the sequence; default is 1

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function createSequence($seq_name, $start = 1)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);

-        $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)";

-        $res = $db->exec($query);

-        if (PEAR::isError($res)) {

-            return $res;

-        }

-        if ($start == 1) {

-            return MDB2_OK;

-        }

-        $res = $db->exec("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');

-        if (!PEAR::isError($res)) {

-            return MDB2_OK;

-        }

-        // Handle error

-        $result = $db->exec("DROP TABLE $sequence_name");

-        if (PEAR::isError($result)) {

-            return $db->raiseError($result, null, null,

-                'could not drop inconsistent sequence table', __FUNCTION__);

-        }

-        return $db->raiseError($res, null, null,

-            'could not create sequence table', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ dropSequence()

-

-    /**

-     * drop existing sequence

-     *

-     * @param string    $seq_name     name of the sequence to be dropped

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function dropSequence($seq_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);

-        return $db->exec("DROP TABLE $sequence_name");

-    }

-

-    // }}}

-    // {{{ listSequences()

-

-    /**

-     * list all sequences in the current database

-     *

-     * @return mixed array of sequence names on success, a MDB2 error on failure

-     * @access public

-     */

-    function listSequences()

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";

-        $table_names = $db->queryCol($query);

-        if (PEAR::isError($table_names)) {

-            return $table_names;

-        }

-        $result = array();

-        foreach ($table_names as $table_name) {

-            if ($sqn = $this->_fixSequenceName($table_name, true)) {

-                $result[] = $sqn;

-            }

-        }

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);

-        }

-        return $result;

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 SQLite driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with charset info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $database_file = $db->_getDatabaseFile($name);
+        if (file_exists($database_file)) {
+            return $db->raiseError(MDB2_ERROR_ALREADY_EXISTS, null, null,
+                'database already exists', __FUNCTION__);
+        }
+        $php_errormsg = '';
+        $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg);
+        if (!$handle) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                (isset($php_errormsg) ? $php_errormsg : 'could not create the database file'), __FUNCTION__);
+        }
+        if (!empty($options['charset'])) {
+            $query = 'PRAGMA encoding = ' . $db->quote($options['charset'], 'text');
+            @sqlite_query($query, $handle);
+        }
+        @sqlite_close($handle);
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $database_file = $db->_getDatabaseFile($name);
+        if (!@file_exists($database_file)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+                'database does not exist', __FUNCTION__);
+        }
+        $result = @unlink($database_file);
+        if (!$result) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+                (isset($php_errormsg) ? $php_errormsg : 'could not remove the database file'), __FUNCTION__);
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _getAdvancedFKOptions()
+
+    /**
+     * Return the FOREIGN KEY query section dealing with non-standard options
+     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+     *
+     * @param array $definition
+     * @return string
+     * @access protected
+     */
+    function _getAdvancedFKOptions($definition)
+    {
+        $query = '';
+        if (!empty($definition['match'])) {
+            $query .= ' MATCH '.$definition['match'];
+        }
+        if (!empty($definition['onupdate']) && (strtoupper($definition['onupdate']) != 'NO ACTION')) {
+            $query .= ' ON UPDATE '.$definition['onupdate'];
+        }
+        if (!empty($definition['ondelete']) && (strtoupper($definition['ondelete']) != 'NO ACTION')) {
+            $query .= ' ON DELETE '.$definition['ondelete'];
+        }
+        if (!empty($definition['deferrable'])) {
+            $query .= ' DEFERRABLE';
+        } else {
+            $query .= ' NOT DEFERRABLE';
+        }
+        if (!empty($definition['initiallydeferred'])) {
+            $query .= ' INITIALLY DEFERRED';
+        } else {
+            $query .= ' INITIALLY IMMEDIATE';
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ _getCreateTableQuery()
+
+    /**
+     * Create a basic SQL query for a new table creation
+     * @param string $name   Name of the database that should be created
+     * @param array $fields  Associative array that contains the definition of each field of the new table
+     * @param array $options  An associative array of table options
+     * @return mixed string (the SQL query) on success, a MDB2 error on failure
+     * @see createTable()
+     */
+    function _getCreateTableQuery($name, $fields, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!$name) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no valid table name specified', __FUNCTION__);
+        }
+        if (empty($fields)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no fields specified for table "'.$name.'"', __FUNCTION__);
+        }
+        $query_fields = $this->getFieldDeclarationList($fields);
+        if (PEAR::isError($query_fields)) {
+            return $query_fields;
+        }
+        if (!empty($options['primary'])) {
+            $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+        }
+        if (!empty($options['foreign_keys'])) {
+            foreach ($options['foreign_keys'] as $fkname => $fkdef) {
+                if (empty($fkdef)) {
+                    continue;
+                }
+                $query_fields.= ', CONSTRAINT '.$fkname.' FOREIGN KEY ('.implode(', ', array_keys($fkdef['fields'])).')';
+                $query_fields.= ' REFERENCES '.$fkdef['references']['table'].' ('.implode(', ', array_keys($fkdef['references']['fields'])).')';
+                $query_fields.= $this->_getAdvancedFKOptions($fkdef);
+            }
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        $result = 'CREATE ';
+        if (!empty($options['temporary'])) {
+            $result .= $this->_getTemporaryTableQuery();
+        }
+        $result .= " TABLE $name ($query_fields)";
+        return $result;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name    Name of the database that should be created
+     * @param array  $fields  Associative array that contains the definition
+     *                        of each field of the new table
+     * @param array  $options An associative array of table options
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields, $options = array())
+    {
+        $result = parent::createTable($name, $fields, $options);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        // create triggers to enforce FOREIGN KEY constraints
+        if (!empty($options['foreign_keys'])) {
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+            foreach ($options['foreign_keys'] as $fkname => $fkdef) {
+                if (empty($fkdef)) {
+                    continue;
+                }
+                //set actions to default if not set
+                $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
+                $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($fkdef['ondelete']);
+
+                $trigger_names = array(
+                    'insert'    => $fkname.'_insert_trg',
+                    'update'    => $fkname.'_update_trg',
+                    'pk_update' => $fkname.'_pk_update_trg',
+                    'pk_delete' => $fkname.'_pk_delete_trg',
+                );
+                
+                //create the [insert|update] triggers on the FK table
+                $table_fields = array_keys($fkdef['fields']);
+                $referenced_fields = array_keys($fkdef['references']['fields']);
+                $query = 'CREATE TRIGGER %s BEFORE %s ON '.$name
+                        .' FOR EACH ROW BEGIN'
+                        .' SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'
+                        .' WHERE  (SELECT ';
+                $aliased_fields = array();
+                foreach ($referenced_fields as $field) {
+                    $aliased_fields[] = $fkdef['references']['table'] .'.'.$field .' AS '.$field;
+                }
+                $query .= implode(',', $aliased_fields)
+                       .' FROM '.$fkdef['references']['table']
+                       .' WHERE ';
+                $conditions = array();
+                for ($i=0; $i<count($table_fields); $i++) {
+                    $conditions[] = $referenced_fields[$i] .' = NEW.'.$table_fields[$i];
+                }
+                $query .= implode(' AND ', $conditions).') IS NULL; END;';
+                $result = $db->exec(sprintf($query, $trigger_names['insert'], 'INSERT', 'insert'));
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+
+                $result = $db->exec(sprintf($query, $trigger_names['update'], 'UPDATE', 'update'));
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+                
+                //create the ON [UPDATE|DELETE] triggers on the primary table
+                $restrict_action = 'SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'
+                                  .' WHERE  (SELECT ';
+                $aliased_fields = array();
+                foreach ($table_fields as $field) {
+                    $aliased_fields[] = $name .'.'.$field .' AS '.$field;
+                }
+                $restrict_action .= implode(',', $aliased_fields)
+                       .' FROM '.$name
+                       .' WHERE ';
+                $conditions  = array();
+                $new_values  = array();
+                $null_values = array();
+                for ($i=0; $i<count($table_fields); $i++) {
+                    $conditions[]  = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+                    $new_values[]  = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+                    $null_values[] = $table_fields[$i] .' = NULL';
+                }
+                $conditions2 = array();
+                for ($i=0; $i<count($referenced_fields); $i++) {
+                    $conditions2[]  = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
+                }
+                $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
+                                 .' AND (' .implode(' OR ', $conditions2) .')';
+
+                $cascade_action_update = 'UPDATE '.$name.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions);
+                $cascade_action_delete = 'DELETE FROM '.$name.' WHERE '.implode(' AND ', $conditions);
+                $setnull_action        = 'UPDATE '.$name.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions);
+
+                if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+                    $db->loadModule('Reverse', null, true);
+                    $default_values = array();
+                    foreach ($table_fields as $table_field) {
+                        $field_definition = $db->reverse->getTableFieldDefinition($name, $field);
+                        if (PEAR::isError($field_definition)) {
+                            return $field_definition;
+                        }
+                        $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+                    }
+                    $setdefault_action = 'UPDATE '.$name.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions);
+                }
+
+                $query = 'CREATE TRIGGER %s'
+                        .' %s ON '.$fkdef['references']['table']
+                        .' FOR EACH ROW BEGIN ';
+
+                if ('CASCADE' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'AFTER UPDATE',  'update') . $cascade_action_update. '; END;';
+                } elseif ('SET NULL' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action. '; END;';
+                } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action. '; END;';
+                } elseif ('NO ACTION' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update') . '; END;';
+                } elseif ('RESTRICT' == $fkdef['onupdate']) {
+                    $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . '; END;';
+                }
+                if ('CASCADE' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'AFTER DELETE',  'delete') . $cascade_action_delete. '; END;';
+                } elseif ('SET NULL' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action. '; END;';
+                } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action. '; END;';
+                } elseif ('NO ACTION' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete')  . '; END;';
+                } elseif ('RESTRICT' == $fkdef['ondelete']) {
+                    $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . '; END;';
+                }
+
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+                $result = $db->exec($sql_delete);
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+                $result = $db->exec($sql_update);
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+            }
+        }
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        //delete the triggers associated to existing FK constraints
+        $constraints = $this->listTableConstraints($name);
+        if (!PEAR::isError($constraints) && !empty($constraints)) {
+            $db->loadModule('Reverse', null, true);
+            foreach ($constraints as $constraint) {
+                $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+                if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+                    $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("DROP TABLE $name");
+    }
+
+    // }}}
+    // {{{ vacuum()
+
+    /**
+     * Optimize (vacuum) all the tables in the db (or only the specified table)
+     * and optionally run ANALYZE.
+     *
+     * @param string $table table name (all the tables if empty)
+     * @param array  $options an array with driver-specific options:
+     *               - timeout [int] (in seconds) [mssql-only]
+     *               - analyze [boolean] [pgsql and mysql]
+     *               - full [boolean] [pgsql-only]
+     *               - freeze [boolean] [pgsql-only]
+     *
+     * @return mixed MDB2_OK success, a MDB2 error on failure
+     * @access public
+     */
+    function vacuum($table = null, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'VACUUM';
+        if (!empty($table)) {
+            $query .= ' '.$db->quoteIdentifier($table, true);
+        }
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the MDB2 parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the MDB2 parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                    ),
+     *                                    'change' => array(
+     *                                        'name' => array(
+     *                                            'length' => '20',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 20,
+     *                                            ),
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 1,
+     *                                                'default' => 'M',
+     *                                            ),
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'name':
+            case 'rename':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $db->loadModule('Reverse', null, true);
+
+        // actually sqlite 2.x supports no ALTER TABLE at all .. so we emulate it
+        $fields = $db->manager->listTableFields($name);
+        if (PEAR::isError($fields)) {
+            return $fields;
+        }
+
+        $fields = array_flip($fields);
+        foreach ($fields as $field => $value) {
+            $definition = $db->reverse->getTableFieldDefinition($name, $field);
+            if (PEAR::isError($definition)) {
+                return $definition;
+            }
+            $fields[$field] = $definition[0];
+        }
+
+        $indexes = $db->manager->listTableIndexes($name);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $indexes = array_flip($indexes);
+        foreach ($indexes as $index => $value) {
+            $definition = $db->reverse->getTableIndexDefinition($name, $index);
+            if (PEAR::isError($definition)) {
+                return $definition;
+            }
+            $indexes[$index] = $definition;
+        }
+
+        $constraints = $db->manager->listTableConstraints($name);
+        if (PEAR::isError($constraints)) {
+            return $constraints;
+        }
+
+        if (!array_key_exists('foreign_keys', $options)) {
+            $options['foreign_keys'] = array();
+        }
+        $constraints = array_flip($constraints);
+        foreach ($constraints as $constraint => $value) {
+            if (!empty($definition['primary'])) {
+                if (!array_key_exists('primary', $options)) {
+                    $options['primary'] = $definition['fields'];
+                    //remove from the $constraint array, it's already handled by createTable()
+                    unset($constraints[$constraint]);
+                }
+            } else {
+                $c_definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+                if (PEAR::isError($c_definition)) {
+                    return $c_definition;
+                }
+                if (!empty($c_definition['foreign'])) {
+                    if (!array_key_exists($constraint, $options['foreign_keys'])) {
+                        $options['foreign_keys'][$constraint] = $c_definition;
+                    }
+                    //remove from the $constraint array, it's already handled by createTable()
+                    unset($constraints[$constraint]);
+                } else {
+                    $constraints[$constraint] = $c_definition;
+                }
+            }
+        }
+
+        $name_new = $name;
+        $create_order = $select_fields = array_keys($fields);
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+                foreach ($change as $field_name => $field) {
+                    $fields[$field_name] = $field;
+                    $create_order[] = $field_name;
+                }
+                break;
+            case 'remove':
+                foreach ($change as $field_name => $field) {
+                    unset($fields[$field_name]);
+                    $select_fields = array_diff($select_fields, array($field_name));
+                    $create_order = array_diff($create_order, array($field_name));
+                }
+                break;
+            case 'change':
+                foreach ($change as $field_name => $field) {
+                    $fields[$field_name] = $field['definition'];
+                }
+                break;
+            case 'name':
+                $name_new = $change;
+                break;
+            case 'rename':
+                foreach ($change as $field_name => $field) {
+                    unset($fields[$field_name]);
+                    $fields[$field['name']] = $field['definition'];
+                    $create_order[array_search($field_name, $create_order)] = $field['name'];
+                }
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+            }
+        }
+
+        $data = null;
+        if (!empty($select_fields)) {
+            $query = 'SELECT '.implode(', ', $select_fields).' FROM '.$db->quoteIdentifier($name, true);
+            $data = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+        }
+
+        $result = $this->dropTable($name);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $result = $this->createTable($name_new, $fields, $options);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        foreach ($indexes as $index => $definition) {
+            $this->createIndex($name_new, $index, $definition);
+        }
+
+        foreach ($constraints as $constraint => $definition) {
+            $this->createConstraint($name_new, $constraint, $definition);
+        }
+
+        if (!empty($select_fields) && !empty($data)) {
+            $query = 'INSERT INTO '.$db->quoteIdentifier($name_new, true);
+            $query.= '('.implode(', ', array_slice(array_keys($fields), 0, count($select_fields))).')';
+            $query.=' VALUES (?'.str_repeat(', ?', (count($select_fields) - 1)).')';
+            $stmt =& $db->prepare($query, null, MDB2_PREPARE_MANIP);
+            if (PEAR::isError($stmt)) {
+                return $stmt;
+            }
+            foreach ($data as $row) {
+                $result = $stmt->execute($row);
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed array of database names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'list databases is not supported', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed array of user names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'list databases is not supported', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sqlite_master WHERE type='view' AND sql NOT NULL";
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableViews()
+
+    /**
+     * list the views in the database that reference a given table
+     *
+     * @param string table for which all referenced views should be found
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableViews($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";
+        $views = $db->queryAll($query, array('text', 'text'), MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($views)) {
+            return $views;
+        }
+        $result = array();
+        foreach ($views as $row) {
+            if (preg_match("/^create view .* \bfrom\b\s+\b{$table}\b /i", $row['sql'])) {
+                if (!empty($row['name'])) {
+                    $result[$row['name']] = true;
+                }
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed array of table names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if (!$this->_fixSequenceName($table_name, true)) {
+                $result[] = $table_name;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a table in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of field names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Reverse', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+        } else {
+            $query.= 'name='.$db->quote($table, 'text');
+        }
+        $sql = $db->queryOne($query);
+        if (PEAR::isError($sql)) {
+            return $sql;
+        }
+        $columns = $db->reverse->_getTableColumns($sql);
+        $fields = array();
+        foreach ($columns as $column) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column['name'] = strtolower($column['name']);
+                } else {
+                    $column['name'] = strtoupper($column['name']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            $fields[] = $column['name'];
+        }
+        return $fields;
+    }
+
+    // }}}
+    // {{{ listTableTriggers()
+
+    /**
+     * list all triggers in the database that reference a given table
+     *
+     * @param string table for which all referenced triggers should be found
+     * @return mixed array of trigger names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableTriggers($table = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sqlite_master WHERE type='trigger' AND sql NOT NULL";
+        if (null !== $table) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                $query.= ' AND LOWER(tbl_name)='.$db->quote(strtolower($table), 'text');
+            } else {
+                $query.= ' AND tbl_name='.$db->quote($table, 'text');
+            }
+        }
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * Get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function support() to determine whether the DBMS driver can manage indexes.
+
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name  = $db->getIndexName($name);
+        $query = "CREATE INDEX $name ON $table";
+        $fields = array();
+        foreach ($definition['fields'] as $field_name => $field) {
+            $field_string = $field_name;
+            if (!empty($field['sorting'])) {
+                switch ($field['sorting']) {
+                case 'ascending':
+                    $field_string.= ' ASC';
+                    break;
+                case 'descending':
+                    $field_string.= ' DESC';
+                    break;
+                }
+            }
+            $fields[] = $field_string;
+        }
+        $query .= ' ('.implode(', ', $fields) . ')';
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->getIndexName($name);
+        return $db->exec("DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of index names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quote($table, 'text');
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(tbl_name)='.strtolower($table);
+        } else {
+            $query.= "tbl_name=$table";
+        }
+        $query.= " AND sql NOT NULL ORDER BY name";
+        $indexes = $db->queryCol($query, 'text');
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $sql) {
+            if (preg_match("/^create index ([^ ]+) on /i", $sql, $tmp)) {
+                $index = $this->_fixIndexName($tmp[1]);
+                if (!empty($index)) {
+                    $result[$index] = true;
+                }
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createConstraint()
+
+    /**
+     * create a constraint on a table
+     *
+     * @param string $table      name of the table on which the constraint is to be created
+     * @param string $name       name of the constraint to be created
+     * @param array  $definition associative array that defines properties of the constraint to be created.
+     *                           Currently, only one property named FIELDS is supported. This property
+     *                           is also an associative with the names of the constraint fields as array
+     *                           constraints. Each entry of this array is set to another type of associative
+     *                           array that specifies properties of the constraint that are specific to
+     *                           each field.
+     *
+     *                           Example
+     *                              array(
+     *                                  'fields' => array(
+     *                                      'user_name' => array(),
+     *                                      'last_login' => array()
+     *                                  )
+     *                              )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createConstraint($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!empty($definition['primary'])) {
+            return $db->manager->alterTable($table, array(), false, array('primary' => $definition['fields']));
+        }
+        
+        if (!empty($definition['foreign'])) {
+            return $db->manager->alterTable($table, array(), false, array('foreign_keys' => array($name => $definition)));
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name  = $db->getIndexName($name);
+        $query = "CREATE UNIQUE INDEX $name ON $table";
+        $fields = array();
+        foreach ($definition['fields'] as $field_name => $field) {
+            $field_string = $field_name;
+            if (!empty($field['sorting'])) {
+                switch ($field['sorting']) {
+                case 'ascending':
+                    $field_string.= ' ASC';
+                    break;
+                case 'descending':
+                    $field_string.= ' DESC';
+                    break;
+                }
+            }
+            $fields[] = $field_string;
+        }
+        $query .= ' ('.implode(', ', $fields) . ')';
+        return $db->exec($query);
+    }
+
+    // }}}
+    // {{{ dropConstraint()
+
+    /**
+     * drop existing constraint
+     *
+     * @param string    $table        name of table that should be used in method
+     * @param string    $name         name of the constraint to be dropped
+     * @param string    $primary      hint if the constraint is primary
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropConstraint($table, $name, $primary = false)
+    {
+        if ($primary || $name == 'PRIMARY') {
+            return $this->alterTable($table, array(), false, array('primary' => null));
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        //is it a FK constraint? If so, also delete the associated triggers
+        $db->loadModule('Reverse', null, true);
+        $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+        if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+            //first drop the FK enforcing triggers
+            $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            //then drop the constraint itself
+            return $this->alterTable($table, array(), false, array('foreign_keys' => array($name => null)));
+        }
+
+        $name = $db->getIndexName($name);
+        return $db->exec("DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ _dropFKTriggers()
+    
+    /**
+     * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+     *
+     * @param string $table  table name
+     * @param string $fkname FOREIGN KEY constraint name
+     * @param string $referenced_table  referenced table name
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _dropFKTriggers($table, $fkname, $referenced_table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $triggers  = $this->listTableTriggers($table);
+        $triggers2 = $this->listTableTriggers($referenced_table);
+        if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+            $triggers = array_merge($triggers, $triggers2);
+            $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+            foreach ($triggers as $trigger) {
+                if (preg_match($pattern, $trigger)) {
+                    $result = $db->exec('DROP TRIGGER '.$trigger);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ listTableConstraints()
+
+    /**
+     * list all constraints in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed array of constraint names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableConstraints($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quote($table, 'text');
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(tbl_name)='.strtolower($table);
+        } else {
+            $query.= "tbl_name=$table";
+        }
+        $query.= " AND sql NOT NULL ORDER BY name";
+        $indexes = $db->queryCol($query, 'text');
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+
+        $result = array();
+        foreach ($indexes as $sql) {
+            if (preg_match("/^create unique index ([^ ]+) on /i", $sql, $tmp)) {
+                $index = $this->_fixIndexName($tmp[1]);
+                if (!empty($index)) {
+                    $result[$index] = true;
+                }
+            }
+        }
+        
+        // also search in table definition for PRIMARY KEYs...
+        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(name)='.strtolower($table);
+        } else {
+            $query.= "name=$table";
+        }
+        $query.= " AND sql NOT NULL ORDER BY name";
+        $table_def = $db->queryOne($query, 'text');
+        if (PEAR::isError($table_def)) {
+            return $table_def;
+        }
+        if (preg_match("/\bPRIMARY\s+KEY\b/i", $table_def, $tmp)) {
+            $result['primary'] = true;
+        }
+
+        // ...and for FOREIGN KEYs
+        if (preg_match_all("/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN\s+KEY/imsx", $table_def, $tmp)) {
+            foreach ($tmp[1] as $fk) {
+                $result[$fk] = true;
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+        $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)";
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+        $res = $db->exec("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+        // Handle error
+        $result = $db->exec("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError($result, null, null,
+                'could not drop inconsistent sequence table', __FUNCTION__);
+        }
+        return $db->raiseError($res, null, null,
+            'could not create sequence table', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        return $db->exec("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed array of sequence names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if ($sqn = $this->_fixSequenceName($table_name, true)) {
+                $result[] = $sqn;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/sqlsrv.php b/program/lib/MDB2/Driver/Manager/sqlsrv.php
new file mode 100644
index 000000000..d0cac98c7
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/sqlsrv.php
@@ -0,0 +1,1383 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Frank M. Kromann <frank@kromann.info>                       |
+// |          David Coallier <davidc@php.net>                             |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+// {{{ class MDB2_Driver_Manager_sqlsrv
+
+/**
+ * MDB2 MSSQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ * @author  David Coallier <davidc@php.net>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+    /**
+     * create a new database
+     *
+     * @param string $name    name of the database that should be created
+     * @param array  $options array with collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        $query = "CREATE DATABASE $name";
+        if ($db->options['database_device']) {
+            $query.= ' ON '.$db->options['database_device'];
+            $query.= $db->options['database_size'] ? '=' .
+                     $db->options['database_size'] : '';
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $options['collation'];
+        }
+        return $db->standaloneQuery($query, null, true);
+    }
+
+    // }}}
+    // {{{ alterDatabase()
+
+    /**
+     * alter an existing database
+     *
+     * @param string $name    name of the database that is intended to be changed
+     * @param array  $options array with name, collation info
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterDatabase($name, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = '';
+        if (!empty($options['name'])) {
+            $query .= ' MODIFY NAME = ' .$db->quoteIdentifier($options['name'], true);
+        }
+        if (!empty($options['collation'])) {
+            $query .= ' COLLATE ' . $options['collation'];
+        }
+        if (!empty($query)) {
+            $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true) . $query;
+            return $db->standaloneQuery($query, null, true);
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->standaloneQuery("DROP DATABASE $name", null, true);
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='$name') DROP TABLE $name");
+    }
+
+    // }}}	
+    // {{{ _getTemporaryTableQuery()
+
+    /**
+     * Override the parent method.
+     *
+     * @return string The string required to be placed between "CREATE" and "TABLE"
+     *                to generate a temporary table, if possible.
+     */
+    function _getTemporaryTableQuery()
+    {
+        return '';
+    }
+
+    // }}}
+    // {{{ _getAdvancedFKOptions()
+
+    /**
+     * Return the FOREIGN KEY query section dealing with non-standard options
+     * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+     *
+     * @param array $definition
+     *
+     * @return string
+     * @access protected
+     */
+    function _getAdvancedFKOptions($definition)
+    {
+        $query = '';
+        if (!empty($definition['onupdate'])) {
+            $query .= ' ON UPDATE '.$definition['onupdate'];
+        }
+        if (!empty($definition['ondelete'])) {
+            $query .= ' ON DELETE '.$definition['ondelete'];
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name   Name of the database that should be created
+     * @param array  $fields Associative array that contains the definition of each field of the new table
+     *                       The indexes of the array entries are the names of the fields of the table an
+     *                       the array entry values are associative arrays like those that are meant to be
+     *                       passed with the field definitions to get[Type]Declaration() functions.
+     *
+     *                      Example
+     *                        array(
+     *
+     *                            'id' => array(
+     *                                'type' => 'integer',
+     *                                'unsigned' => 1,
+     *                                'notnull' => 1,
+     *                                'default' => 0,
+     *                            ),
+     *                            'name' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12,
+     *                            ),
+     *                            'description' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12,
+     *                            )
+     *                        );
+     * @param array $options An associative array of table options:
+     *                          array(
+     *                              'comment' => 'Foo',
+     *                              'temporary' => true|false,
+     *                          );
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields, $options = array())
+    {
+        /*if (!empty($options['temporary'])) {
+            $name = '#'.$name;//would make subsequent calls fail because it would go out ot scope and be destroyed already
+        }*/
+        return parent::createTable($name, $fields, $options);
+    }
+
+    // }}}
+    // {{{ truncateTable()
+
+    /**
+     * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+     * it falls back to a DELETE FROM TABLE query)
+     *
+     * @param string $name name of the table that should be truncated
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function truncateTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $name = $db->quoteIdentifier($name, true);
+        return $db->exec("TRUNCATE TABLE $name");
+    }
+
+    // }}}
+    // {{{ vacuum()
+
+    /**
+     * Optimize (vacuum) all the tables in the db (or only the specified table)
+     * and optionally run ANALYZE.
+     *
+     * @param string $table table name (all the tables if empty)
+     * @param array  $options an array with driver-specific options:
+     *               - timeout [int] (in seconds) [mssql-only]
+     *               - analyze [boolean] [pgsql and mysql]
+     *               - full [boolean] [pgsql-only]
+     *               - freeze [boolean] [pgsql-only]
+     *
+     * NB: you have to run the NSControl Create utility to enable VACUUM
+     *
+     * @return mixed MDB2_OK success, a MDB2 error on failure
+     * @access public
+     */
+    function vacuum($table = null, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300;
+
+        $query = 'NSControl Create';
+        $result = $db->exec($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        return $db->exec('EXEC NSVacuum '.$timeout);
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string  $name    name of the table that is intended to be changed.
+     * @param array   $changes associative array that contains the details of each type
+     *                         of change that is intended to be performed. The types of
+     *                         changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the MDB2 parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the MDB2 parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                    ),
+     *                                    'change' => array(
+     *                                        'name' => array(
+     *                                            'length' => '20',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 20,
+     *                                            ),
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                            'definition' => array(
+     *                                                'type' => 'text',
+     *                                                'length' => 1,
+     *                                                'default' => 'M',
+     *                                            ),
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check   indicates whether the function should just check if the DBMS driver
+     *                         can perform the requested table alterations if the value is true or
+     *                         actually perform them otherwise.
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $name_quoted = $db->quoteIdentifier($name, true);
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'remove':
+            case 'rename':
+            case 'add':
+            case 'change':
+            case 'name':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $idxname_format = $db->getOption('idxname_format');
+        $db->setOption('idxname_format', '%s');
+
+        if (!empty($changes['remove']) && is_array($changes['remove'])) {
+            $result = $this->_dropConflictingIndices($name, array_keys($changes['remove']));
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+            $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove']));
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+
+            $query = '';
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $field_name = $db->quoteIdentifier($field_name, true);
+                $query.= 'COLUMN ' . $field_name;
+            }
+
+            $result = $db->exec("ALTER TABLE $name_quoted DROP $query");
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+        }
+
+        if (!empty($changes['rename']) && is_array($changes['rename'])) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                $field_name = $db->quoteIdentifier($field_name, true);
+                $result = $db->exec("sp_rename '$name_quoted.$field_name', '".$field['name']."', 'COLUMN'");
+                if (PEAR::isError($result)) {
+                    $db->setOption('idxname_format', $idxname_format);
+                    return $result;
+                }
+            }
+        }
+
+        if (!empty($changes['add']) && is_array($changes['add'])) {
+            $query = '';
+            foreach ($changes['add'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                } else {
+                    $query.= 'ADD ';
+                }
+                $query.= $db->getDeclaration($field['type'], $field_name, $field);
+            }
+
+            $result = $db->exec("ALTER TABLE $name_quoted $query");
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+        }
+
+        $dropped_indices     = array();
+        $dropped_constraints = array();
+
+        if (!empty($changes['change']) && is_array($changes['change'])) {
+            $dropped = $this->_dropConflictingIndices($name, array_keys($changes['change']));
+            if (PEAR::isError($dropped)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $dropped;
+            }
+            $dropped_indices = array_merge($dropped_indices, $dropped);
+            $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change']));
+            if (PEAR::isError($dropped)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $dropped;
+            }
+            $dropped_constraints = array_merge($dropped_constraints, $dropped);
+
+            foreach ($changes['change'] as $field_name => $field) {
+                //MSSQL doesn't allow multiple ALTER COLUMNs in one query
+                $query = 'ALTER COLUMN ';
+
+                //MSSQL doesn't allow changing the DEFAULT value of a field in altering mode
+                if (array_key_exists('default', $field['definition'])) {
+                    unset($field['definition']['default']);
+                }
+
+                $query .= $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+                $result = $db->exec("ALTER TABLE $name_quoted $query");
+                if (PEAR::isError($result)) {
+                    $db->setOption('idxname_format', $idxname_format);
+                    return $result;
+                }
+            }
+        }
+
+        // restore the dropped conflicting indices and constraints
+        foreach ($dropped_indices as $index_name => $index) {
+            $result = $this->createIndex($name, $index_name, $index);
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+        }
+        foreach ($dropped_constraints as $constraint_name => $constraint) {
+            $result = $this->createConstraint($name, $constraint_name, $constraint);
+            if (PEAR::isError($result)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $result;
+            }
+        }
+
+        $db->setOption('idxname_format', $idxname_format);
+
+        if (!empty($changes['name'])) {
+            $new_name = $db->quoteIdentifier($changes['name'], true);
+            $result = $db->exec("sp_rename '$name_quoted', '$new_name'");
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _dropConflictingIndices()
+
+    /**
+     * Drop the indices that prevent a successful ALTER TABLE action
+     *
+     * @param string $table  table name
+     * @param array  $fields array of names of the fields affected by the change
+     *
+     * @return array dropped indices definitions
+     */
+    function _dropConflictingIndices($table, $fields)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $dropped = array();
+        $index_names = $this->listTableIndexes($table);
+        if (PEAR::isError($index_names)) {
+            return $index_names;
+        }
+        $db->loadModule('Reverse');
+        $indexes = array();
+        foreach ($index_names as $index_name) {
+        	$idx_def = $db->reverse->getTableIndexDefinition($table, $index_name);
+            if (!PEAR::isError($idx_def)) {
+                $indexes[$index_name] = $idx_def;
+            }
+        }
+        foreach ($fields as $field_name) {
+            foreach ($indexes as $index_name => $index) {
+                if (!isset($dropped[$index_name]) && array_key_exists($field_name, $index['fields'])) {
+                    $dropped[$index_name] = $index;
+                    $result = $this->dropIndex($table, $index_name);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+        }
+
+        return $dropped;
+    }
+
+    // }}}
+    // {{{ _dropConflictingConstraints()
+
+    /**
+     * Drop the constraints that prevent a successful ALTER TABLE action
+     *
+     * @param string $table  table name
+     * @param array  $fields array of names of the fields affected by the change
+     *
+     * @return array dropped constraints definitions
+     */
+    function _dropConflictingConstraints($table, $fields)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $dropped = array();
+        $constraint_names = $this->listTableConstraints($table);
+        if (PEAR::isError($constraint_names)) {
+            return $constraint_names;
+        }
+        $db->loadModule('Reverse');
+        $constraints = array();
+        foreach ($constraint_names as $constraint_name) {
+        	$cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name);
+            if (!PEAR::isError($cons_def)) {
+                $constraints[$constraint_name] = $cons_def;
+            }
+        }
+        foreach ($fields as $field_name) {
+            foreach ($constraints as $constraint_name => $constraint) {
+                if (!isset($dropped[$constraint_name]) && array_key_exists($field_name, $constraint['fields'])) {
+                    $dropped[$constraint_name] = $constraint;
+                    $result = $this->dropConstraint($table, $constraint_name);
+                    if (PEAR::isError($result)) {
+                        return $result;
+                    }
+                }
+            }
+            // also drop implicit DEFAULT constraints
+            $default = $this->_getTableFieldDefaultConstraint($table, $field_name);
+            if (!PEAR::isError($default) && !empty($default)) {
+                $result = $this->dropConstraint($table, $default);
+                if (PEAR::isError($result)) {
+                    return $result;
+                }
+            }
+        }
+
+        return $dropped;
+    }
+
+    // }}}
+    // {{{ _getTableFieldDefaultConstraint()
+
+    /**
+     * Get the default constraint for a table field
+     *
+     * @param string $table name of table that should be used in method
+     * @param string $field name of field that should be used in method
+     *
+     * @return mixed name of default constraint on success, a MDB2 error on failure
+     * @access private
+     */
+    function _getTableFieldDefaultConstraint($table, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $field = $db->quote($field, 'text');
+        $query = "SELECT OBJECT_NAME(syscolumns.cdefault)
+                    FROM syscolumns
+                   WHERE syscolumns.id = object_id('$table')
+                     AND syscolumns.name = $field
+                     AND syscolumns.cdefault <> 0";
+        return $db->queryOne($query);
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed array of table names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'EXEC sp_tables @table_type = "\'TABLE\'"';
+        $table_names = $db->queryCol($query, null, 2);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if (!$this->_fixSequenceName($table_name, true)) {
+                $result[] = $table_name;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+                        'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a table in the current database
+     *
+     * @param string $table name of table that should be used in method
+     *
+     * @return mixed array of field names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $columns = $db->queryCol("SELECT c.name
+                                    FROM syscolumns c
+                               LEFT JOIN sysobjects o ON c.id = o.id
+                                   WHERE o.name = '$table'");
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns);
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     *
+     * @return mixed array of index names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'INDEX_NAME';
+        $pk_name = 'PK_NAME';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $pk_name  = strtolower($pk_name);
+            } else {
+                $key_name = strtoupper($key_name);
+                $pk_name  = strtoupper($pk_name);
+            }
+        }
+        $table = $db->quote($table, 'text');
+        $query = "EXEC sp_statistics @table_name=$table";
+        $indexes = $db->queryCol($query, 'text', $key_name);
+        if (PEAR::isError($indexes)) {
+            return $indexes;
+        }
+        $query = "EXEC sp_pkeys @table_name=$table";
+        $pk_all = $db->queryCol($query, 'text', $pk_name);
+        $result = array();
+        foreach ($indexes as $index) {
+            if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) {
+                $result[$index] = true;
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed array of database names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->queryCol('SELECT name FROM sys.databases');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed array of user names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses');
+        if (PEAR::isError($result) || empty($result)) {
+            return $result;
+        }
+        foreach (array_keys($result) as $k) {
+            $result[$k] = trim($result[$k]);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed array of function names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name
+                    FROM sysobjects
+                   WHERE objectproperty(id, N'IsMSShipped') = 0
+                    AND (objectproperty(id, N'IsTableFunction') = 1
+                     OR objectproperty(id, N'IsScalarFunction') = 1)";
+        /*
+        SELECT ROUTINE_NAME
+          FROM INFORMATION_SCHEMA.ROUTINES
+         WHERE ROUTINE_TYPE = 'FUNCTION'
+        */
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listTableTriggers()
+
+    /**
+     * list all triggers in the database that reference a given table
+     *
+     * @param string table for which all referenced triggers should be found
+     *
+     * @return mixed array of trigger names on success,  otherwise, false which
+     *               could be a db error if the db is not instantiated or could
+     *               be the results of the error that occured during the
+     *               querying of the sysobject module.
+     * @access public
+     */
+    function listTableTriggers($table = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quote($table, 'text');
+        $query = "SELECT o.name
+                    FROM sysobjects o
+                   WHERE xtype = 'TR'
+                     AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0";
+        if (null !== $table) {
+            $query .= " AND object_name(parent_obj) = $table";
+        }
+
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
+            $db->options['field_case'] == CASE_LOWER)
+        {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+                'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @param string database, the current is default
+     *
+     * @return mixed array of view names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name
+                    FROM sysobjects
+                   WHERE xtype = 'V'";
+        /*
+        SELECT *
+          FROM sysobjects
+         WHERE objectproperty(id, N'IsMSShipped') = 0
+           AND objectproperty(id, N'IsView') = 1
+        */
+
+        $result = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
+            $db->options['field_case'] == CASE_LOWER)
+        {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+                          'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string $table name of table that should be used in method
+     * @param string $name  name of the index to be dropped
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        return $db->exec("DROP INDEX $table.$name");
+    }
+
+    // }}}
+    // {{{ listTableConstraints()
+
+    /**
+     * list all constraints in a table
+     *
+     * @param string $table name of table that should be used in method
+     *
+     * @return mixed array of constraint names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableConstraints($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query = "SELECT c.constraint_name
+                    FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+                   WHERE c.constraint_catalog = DB_NAME()
+                     AND c.table_name = '$table'";
+        $constraints = $db->queryCol($query);
+        if (PEAR::isError($constraints)) {
+            return $constraints;
+        }
+
+        $result = array();
+        foreach ($constraints as $constraint) {
+            $constraint = $this->_fixIndexName($constraint);
+            if (!empty($constraint)) {
+                $result[$constraint] = true;
+            }
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_change_key_case($result, $db->options['field_case']);
+        }
+        return array_keys($result);
+    }
+
+    // }}}
+    // {{{
+
+    /**
+     * Create a basic SQL query for a new table creation
+     *
+     * @param string $name   Name of the database that should be created
+     * @param array $fields  Associative array that contains the definition of each field of the new table
+     * @param array $options An associative array of table options
+     *                          Supported options are:
+     *                          'primary'   An array of column names in the array keys
+     *                                      that form the primary key of the table
+     *                          'temporary' If true, creates the table as a temporary table
+     * @return mixed string  The SQL query on success, or MDB2 error on failure
+     * @see createTable()
+     */
+    function _getCreateTableQuery($name, $fields, $options = array())
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!$name) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no valid table name specified', __FUNCTION__);
+        }
+        if (empty($fields)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'no fields specified for table "'.$name.'"', __FUNCTION__);
+        }
+        $query_fields = $this->getFieldDeclarationList($fields);
+        if (PEAR::isError($query_fields)) {
+            return $query_fields;
+        }
+        /*Removed since you can't get the PK name from Schema here, will result in a redefinition of PK index error
+		if (!empty($options['primary'])) {
+            $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+        }*/
+
+        $name = $db->quoteIdentifier($name, true);
+        $result = 'CREATE ';
+        if (!empty($options['temporary']) && $options['temporary']) {
+            $result .= $this->_getTemporaryTableQuery() . ' ';
+        }
+        $result .= "TABLE $name ($query_fields)";
+        return $result;
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string $seq_name name of the sequence to be created
+     * @param string $start    start value of the sequence; default is 1
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+        $query = "CREATE TABLE $sequence_name ($seqcol_name " .
+                 "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
+
+        $res = $db->exec($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+
+        $query = "SET IDENTITY_INSERT $sequence_name ON ".
+                 "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
+        $res = $db->exec($query);
+
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+
+        $result = $db->exec("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError($result, null, null,
+                'could not drop inconsistent sequence table', __FUNCTION__);
+        }
+
+        return $db->raiseError($res, null, null,
+            'could not create sequence table', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * This function drops an existing sequence
+     *
+     * @param string $seq_name name of the sequence to be dropped
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+        return $db->exec("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed array of sequence names on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $result = array();
+        foreach ($table_names as $table_name) {
+            if ($sqn = $this->_fixSequenceName($table_name, true)) {
+                $result[] = $sqn;
+            }
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+                          'strtolower' : 'strtoupper'), $result);
+        }
+        return $result;
+    }
+
+    // }}}
+    /**
+     * New OPENX method to check table name according to specifications:
+     *  http://msdn.microsoft.com/en-us/library/aa258255(SQL.80).aspx
+     *
+     *  Table names must conform to the rules for identifiers. The combination of owner.table_name 
+     *  must be unique within the database. table_name can contain a maximum of 128 characters, 
+     *  except for local temporary table names (names prefixed with a single number sign (#)) that 
+     *  cannot exceed 116 characters.
+     *
+     * @param string $name table name to check
+     * @return true if name is correct and PEAR error on failure
+     */
+    function validateTableName($name)
+    {
+        // Table name maximum length is 128
+        if (strlen($name) > 128) {
+            return PEAR::raiseError(
+               'SQL Server table names are limited to 128 characters in length');
+        }
+        return true;
+    }
+
+    /**
+     * New OpenX method
+     *
+     * @param string $table
+     * @return array
+     */
+    function getTableStatus($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query      = "exec sp_spaceused '{$table}'";
+        $result     = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($result))
+        {
+            return array();
+        }
+		$result[0]['data_length'] = (isset($result[0]['data'])) ? $result[0]['data'] : 0;
+		$result[0]['data_free'] = (isset($result[0]['unused'])) ? $result[0]['unused'] : 0;
+		//data_length,rows,auto_increment,data_free
+        $query      = "SELECT IDENT_CURRENT ('{$table}') + IDENT_INCR ('{$table}') AS auto_increment";
+        $resultIdentity     = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+		$result[0]['auto_increment'] = (isset($resultIdentity[0]['auto_increment'])) ? $resultIdentity[0]['auto_increment'] : 0;
+        return $result;
+    }
+
+    function checkTable($tableName)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query  = 'CHECK TABLE '.$tableName;
+        $result = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($result))
+        {
+            return array('msg_text' => $result->getUserInfo());
+        }
+        return $result;
+    }
+
+    /**
+     * New OPENX method to check database name according to specifications:
+     *  Mysql specification: http://dev.mysql.com/doc/refman/4.1/en/identifiers.html
+     *  Mysql specification: http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
+     *  For 4.0, 4.1, 5.0 seem to be the same
+     *
+     * @param string $name database name to check
+     * @return true in name is correct and PEAR error on failure
+     */
+    function validateDatabaseName($name)
+    {
+        return $this->_validateEntityName($name, 'Database');
+    }
+
+    /**
+     * New OPENX method to check entity name according to specifications:
+     *  Mysql specification: http://dev.mysql.com/doc/refman/4.1/en/identifiers.html
+     *  Mysql specification: http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
+     *  For 4.0, 4.1, 5.0 seem to be the same
+     *
+     *  There are some restrictions on the characters that may appear in identifiers:
+     *  - No identifier can contain ASCII 0 (0x00) or a byte with a value of 255.
+     *  - Before MySQL 4.1, identifier quote characters should not be used in identifiers.
+     *  - Database, table, and column names should not end with space characters.
+     *  - Database and table names cannot contain “/”, “\”, “.”, or characters that are not allowed in filenames.
+     *
+     *  Table/Database name maximum length:
+     *  - 64
+     *
+     * @param string $name table name to check
+     * @return true if name is correct and PEAR error on failure
+     *      *
+     * @param unknown_type $name
+     * @param unknown_type $entityType
+     * @return unknown
+     */
+    function _validateEntityName($name, $entityType)
+    {
+        // Table name maximum length is 64
+        if (strlen($name) > 64) {
+            return PEAR::raiseError(
+               $entityType.' names are limited to 64 characters in length');
+        }
+
+        // Database, table, and column names should not end with space characters.
+        // Extended for leading and ending spaces
+        if ($name != trim($name)) {
+            return PEAR::raiseError(
+                $entityType.' names should not start or end with space characters');
+        }
+
+        // No identifier can contain ASCII 0 (0x00) or a byte with a value of 255.
+        if (preg_match( '/([\x00\xff])/', $name)) {
+            return PEAR::raiseError(
+               $entityType.' names cannot contain ASCII 0 (0x00) or a byte with a value of 255');
+        }
+
+        //Before MySQL 4.1, identifier quote characters should not be used in identifiers.
+        //we actually extend that and disallow quoting at all
+        if (preg_match( '/(\\\\|\/|\.|\"|\\\'| |\\(|\\)|\\:|\\;)/', $name)) {
+            return PEAR::raiseError(
+                $entityType.' names cannot contain "/", "\\", ".", or characters that are not allowed in filenames');
+        }
+
+        return true;
+    }
+
+    // {{{ createConstraint()
+
+    /**
+     * create a constraint on a table
+     *
+     * @param string    $table         name of the table on which the constraint is to be created
+     * @param string    $name         name of the constraint to be created
+     * @param array     $definition        associative array that defines properties of the constraint to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the constraint fields as array
+     *                                 constraints. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the constraint that are specific to
+     *                                 each field.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createConstraint($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $table = $db->quoteIdentifier($table, true);
+        $name = $db->quoteIdentifier($db->getIndexName($name), true);
+        if (!empty($definition['primary']) && empty($definition['unique'])) {
+	        $query = "ALTER TABLE $table ADD CONSTRAINT $name";
+	        if (!empty($definition['primary'])) {
+	            $query.= ' PRIMARY KEY';
+	        } elseif (!empty($definition['unique'])) {
+	            $query.= ' UNIQUE';
+	        }
+        } elseif (!empty($definition['unique'])) {
+	        $query = "CREATE UNIQUE NONCLUSTERED INDEX $name ON $table";
+        }
+        $fields = array();
+        foreach (array_keys($definition['fields']) as $field) {
+            $fields[] = $db->quoteIdentifier($field, true);
+        }
+        $query .= ' ('. implode(', ', $fields) . ')';
+		//deals with NULL values and UNIQUE indexes, this solution is only available in SQL Server 2008
+		//https://connect.microsoft.com/SQLServer/feedback/ViewFeedback.aspx?FeedbackID=299229
+		if (!empty($definition['unique']) && empty($definition['primary'])) {
+			for($i=0;$i<count($fields);$i++) $fields[$i] .= ' is NOT NULL';
+			$query .= ' WHERE '. implode(' AND ', $fields);
+		}
+        return $db->exec($query);
+    }
+
+    // }}}
+	
+}
+
+// }}}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Native/Common.php b/program/lib/MDB2/Driver/Native/Common.php
index c01caa35b..20e652e3e 100644
--- a/program/lib/MDB2/Driver/Native/Common.php
+++ b/program/lib/MDB2/Driver/Native/Common.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: Common.php,v 1.2 2007/09/09 13:47:36 quipo Exp $
+// $Id: Common.php 242348 2007-09-09 13:47:36Z quipo $
 //
 
 /**
diff --git a/program/lib/MDB2/Driver/Native/mssql.php b/program/lib/MDB2/Driver/Native/mssql.php
index e72faba92..dad6a14db 100644
--- a/program/lib/MDB2/Driver/Native/mssql.php
+++ b/program/lib/MDB2/Driver/Native/mssql.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mssql.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $
+// $Id: mssql.php 215004 2006-06-18 21:59:05Z lsmith $
 //
 
 require_once 'MDB2/Driver/Native/Common.php';
diff --git a/program/lib/MDB2/Driver/Native/mysql.php b/program/lib/MDB2/Driver/Native/mysql.php
index 90ff068e6..2d4ffe09d 100644
--- a/program/lib/MDB2/Driver/Native/mysql.php
+++ b/program/lib/MDB2/Driver/Native/mysql.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysql.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $
+// $Id: mysql.php 215004 2006-06-18 21:59:05Z lsmith $
 //
 
 require_once 'MDB2/Driver/Native/Common.php';
diff --git a/program/lib/MDB2/Driver/Native/mysqli.php b/program/lib/MDB2/Driver/Native/mysqli.php
index 326c1d87e..22d8f3693 100644
--- a/program/lib/MDB2/Driver/Native/mysqli.php
+++ b/program/lib/MDB2/Driver/Native/mysqli.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysqli.php,v 1.8 2006/06/18 21:59:05 lsmith Exp $
+// $Id: mysqli.php 215004 2006-06-18 21:59:05Z lsmith $
 //
 
 require_once 'MDB2/Driver/Native/Common.php';
diff --git a/program/lib/MDB2/Driver/Native/pgsql.php b/program/lib/MDB2/Driver/Native/pgsql.php
index acab8389c..9b2a4f21e 100644
--- a/program/lib/MDB2/Driver/Native/pgsql.php
+++ b/program/lib/MDB2/Driver/Native/pgsql.php
@@ -42,7 +42,7 @@
 // | Author: Paul Cooper <pgc@ucecom.com>                                 |
 // +----------------------------------------------------------------------+
 //
-// $Id: pgsql.php,v 1.12 2006/07/15 13:07:15 lsmith Exp $
+// $Id: pgsql.php 216444 2006-07-15 13:07:15Z lsmith $
 
 require_once 'MDB2/Driver/Native/Common.php';
 
diff --git a/program/lib/MDB2/Driver/Native/sqlite.php b/program/lib/MDB2/Driver/Native/sqlite.php
index 0213293a5..ee2a54fd8 100644
--- a/program/lib/MDB2/Driver/Native/sqlite.php
+++ b/program/lib/MDB2/Driver/Native/sqlite.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: sqlite.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $
+// $Id: sqlite.php 215004 2006-06-18 21:59:05Z lsmith $
 //
 
 require_once 'MDB2/Driver/Native/Common.php';
diff --git a/program/lib/MDB2/Driver/Native/sqlsrv.php b/program/lib/MDB2/Driver/Native/sqlsrv.php
new file mode 100644
index 000000000..f9a811d24
--- /dev/null
+++ b/program/lib/MDB2/Driver/Native/sqlsrv.php
@@ -0,0 +1,57 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+
+require_once 'MDB2/Driver/Native/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the native module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Native_sqlsrv extends MDB2_Driver_Native_Common
+{
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php
index 18e9da931..5d9f27ccb 100644
--- a/program/lib/MDB2/Driver/Reverse/Common.php
+++ b/program/lib/MDB2/Driver/Reverse/Common.php
@@ -1,513 +1,517 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: Common.php,v 1.42 2008/01/12 12:50:58 quipo Exp $

-//

-

-/**

- * @package MDB2

- * @category Database

- */

-

-/**

- * These are constants for the tableInfo-function

- * they are bitwised or'ed. so if there are more constants to be defined

- * in the future, adjust MDB2_TABLEINFO_FULL accordingly

- */

-

-define('MDB2_TABLEINFO_ORDER',      1);

-define('MDB2_TABLEINFO_ORDERTABLE', 2);

-define('MDB2_TABLEINFO_FULL',       3);

-

-/**

- * Base class for the schema reverse engineering module that is extended by each MDB2 driver

- *

- * To load this module in the MDB2 object:

- * $mdb->loadModule('Reverse');

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Reverse_Common extends MDB2_Module_Common

-{

-    // {{{ splitTableSchema()

-

-    /**

-     * Split the "[owner|schema].table" notation into an array

-     * @access private

-     */

-    function splitTableSchema($table)

-    {

-        $ret = array();

-        if (strpos($table, '.') !== false) {

-            return explode('.', $table);

-        }

-        return array(null, $table);

-    }

-

-    // }}}

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string    $table     name of table that should be used in method

-     * @param string    $field     name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure.

-     *          The returned array contains an array for each field definition,

-     *          with all or some of these indices, depending on the field data type:

-     *          [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]

-     * @access public

-     */

-    function getTableFieldDefinition($table, $field)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string    $table      name of table that should be used in method

-     * @param string    $index      name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     *          The returned array has this structure:

-     *          </pre>

-     *          array (

-     *              [fields] => array (

-     *                  [field1name] => array() // one entry per each field covered

-     *                  [field2name] => array() // by the index

-     *                  [field3name] => array(

-     *                      [sorting] => ascending

-     *                  )

-     *              )

-     *          );

-     *          </pre>

-     * @access public

-     */

-    function getTableIndexDefinition($table, $index)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of an constraints into an array

-     *

-     * @param string    $table      name of table that should be used in method

-     * @param string    $index      name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     *          The returned array has this structure:

-     *          <pre>

-     *          array (

-     *              [primary] => 0

-     *              [unique]  => 0

-     *              [foreign] => 1

-     *              [check]   => 0

-     *              [fields] => array (

-     *                  [field1name] => array() // one entry per each field covered

-     *                  [field2name] => array() // by the index

-     *                  [field3name] => array(

-     *                      [sorting]  => ascending

-     *                      [position] => 3

-     *                  )

-     *              )

-     *              [references] => array(

-     *                  [table] => name

-     *                  [fields] => array(

-     *                      [field1name] => array(  //one entry per each referenced field

-     *                           [position] => 1

-     *                      )

-     *                  )

-     *              )

-     *              [deferrable] => 0

-     *              [initiallydeferred] => 0

-     *              [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION

-     *              [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION

-     *              [match] => SIMPLE|PARTIAL|FULL

-     *          );

-     *          </pre>

-     * @access public

-     */

-    function getTableConstraintDefinition($table, $index)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getSequenceDefinition()

-

-    /**

-     * Get the structure of a sequence into an array

-     *

-     * @param string    $sequence   name of sequence that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     *          The returned array has this structure:

-     *          <pre>

-     *          array (

-     *              [start] => n

-     *          );

-     *          </pre>

-     * @access public

-     */

-    function getSequenceDefinition($sequence)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $start = $db->currId($sequence);

-        if (PEAR::isError($start)) {

-            return $start;

-        }

-        if ($db->supports('current_id')) {

-            $start++;

-        } else {

-            $db->warnings[] = 'database does not support getting current

-                sequence value, the sequence value was incremented';

-        }

-        $definition = array();

-        if ($start != 1) {

-            $definition = array('start' => $start);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value 

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     *          The returned array has this structure:

-     *          <pre>

-     *          array (

-     *              [trigger_name]    => 'trigger name',

-     *              [table_name]      => 'table name',

-     *              [trigger_body]    => 'trigger body definition',

-     *              [trigger_type]    => 'BEFORE' | 'AFTER',

-     *              [trigger_event]   => 'INSERT' | 'UPDATE' | 'DELETE'

-     *                  //or comma separated list of multiple events, when supported

-     *              [trigger_enabled] => true|false

-     *              [trigger_comment] => 'trigger comment',

-     *          );

-     *          </pre>

-     *          The oci8 driver also returns a [when_clause] index.

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-            'method not implemented', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table or a result set

-     *

-     * The format of the resulting array depends on which <var>$mode</var>

-     * you select.  The sample output below is based on this query:

-     * <pre>

-     *    SELECT tblFoo.fldID, tblFoo.fldPhone, tblBar.fldId

-     *    FROM tblFoo

-     *    JOIN tblBar ON tblFoo.fldId = tblBar.fldId

-     * </pre>

-     *

-     * <ul>

-     * <li>

-     *

-     * <kbd>null</kbd> (default)

-     *   <pre>

-     *   [0] => Array (

-     *       [table] => tblFoo

-     *       [name] => fldId

-     *       [type] => int

-     *       [len] => 11

-     *       [flags] => primary_key not_null

-     *   )

-     *   [1] => Array (

-     *       [table] => tblFoo

-     *       [name] => fldPhone

-     *       [type] => string

-     *       [len] => 20

-     *       [flags] =>

-     *   )

-     *   [2] => Array (

-     *       [table] => tblBar

-     *       [name] => fldId

-     *       [type] => int

-     *       [len] => 11

-     *       [flags] => primary_key not_null

-     *   )

-     *   </pre>

-     *

-     * </li><li>

-     *

-     * <kbd>MDB2_TABLEINFO_ORDER</kbd>

-     *

-     *   <p>In addition to the information found in the default output,

-     *   a notation of the number of columns is provided by the

-     *   <samp>num_fields</samp> element while the <samp>order</samp>

-     *   element provides an array with the column names as the keys and

-     *   their location index number (corresponding to the keys in the

-     *   the default output) as the values.</p>

-     *

-     *   <p>If a result set has identical field names, the last one is

-     *   used.</p>

-     *

-     *   <pre>

-     *   [num_fields] => 3

-     *   [order] => Array (

-     *       [fldId] => 2

-     *       [fldTrans] => 1

-     *   )

-     *   </pre>

-     *

-     * </li><li>

-     *

-     * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>

-     *

-     *   <p>Similar to <kbd>MDB2_TABLEINFO_ORDER</kbd> but adds more

-     *   dimensions to the array in which the table names are keys and

-     *   the field names are sub-keys.  This is helpful for queries that

-     *   join tables which have identical field names.</p>

-     *

-     *   <pre>

-     *   [num_fields] => 3

-     *   [ordertable] => Array (

-     *       [tblFoo] => Array (

-     *           [fldId] => 0

-     *           [fldPhone] => 1

-     *       )

-     *       [tblBar] => Array (

-     *           [fldId] => 2

-     *       )

-     *   )

-     *   </pre>

-     *

-     * </li>

-     * </ul>

-     *

-     * The <samp>flags</samp> element contains a space separated list

-     * of extra information about the field.  This data is inconsistent

-     * between DBMS's due to the way each DBMS works.

-     *   + <samp>primary_key</samp>

-     *   + <samp>unique_key</samp>

-     *   + <samp>multiple_key</samp>

-     *   + <samp>not_null</samp>

-     *

-     * Most DBMS's only provide the <samp>table</samp> and <samp>flags</samp>

-     * elements if <var>$result</var> is a table name.  The following DBMS's

-     * provide full information from queries:

-     *   + fbsql

-     *   + mysql

-     *

-     * If the 'portability' option has <samp>MDB2_PORTABILITY_FIX_CASE</samp>

-     * turned on, the names of tables and fields will be lower or upper cased.

-     *

-     * @param object|string  $result  MDB2_result object from a query or a

-     *                                string containing the name of a table.

-     *                                While this also accepts a query result

-     *                                resource identifier, this behavior is

-     *                                deprecated.

-     * @param int  $mode   either unused or one of the tableInfo modes:

-     *                     <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>,

-     *                     <kbd>MDB2_TABLEINFO_ORDER</kbd> or

-     *                     <kbd>MDB2_TABLEINFO_FULL</kbd> (which does both).

-     *                     These are bitwise, so the first two can be

-     *                     combined using <kbd>|</kbd>.

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::setOption()

-     */

-    function tableInfo($result, $mode = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if (!is_string($result)) {

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'method not implemented', __FUNCTION__);

-        }

-

-        $db->loadModule('Manager', null, true);

-        $fields = $db->manager->listTableFields($result);

-        if (PEAR::isError($fields)) {

-            return $fields;

-        }

-

-        $flags = array();

-

-        $idxname_format = $db->getOption('idxname_format');

-        $db->setOption('idxname_format', '%s');

-

-        $indexes = $db->manager->listTableIndexes($result);

-        if (PEAR::isError($indexes)) {

-            $db->setOption('idxname_format', $idxname_format);

-            return $indexes;

-        }

-

-        foreach ($indexes as $index) {

-            $definition = $this->getTableIndexDefinition($result, $index);

-            if (PEAR::isError($definition)) {

-                $db->setOption('idxname_format', $idxname_format);

-                return $definition;

-            }

-            if (count($definition['fields']) > 1) {

-                foreach ($definition['fields'] as $field => $sort) {

-                    $flags[$field] = 'multiple_key';

-                }

-            }

-        }

-

-        $constraints = $db->manager->listTableConstraints($result);

-        if (PEAR::isError($constraints)) {

-            return $constraints;

-        }

-

-        foreach ($constraints as $constraint) {

-            $definition = $this->getTableConstraintDefinition($result, $constraint);

-            if (PEAR::isError($definition)) {

-                $db->setOption('idxname_format', $idxname_format);

-                return $definition;

-            }

-            $flag = !empty($definition['primary'])

-                ? 'primary_key' : (!empty($definition['unique'])

-                    ? 'unique_key' : false);

-            if ($flag) {

-                foreach ($definition['fields'] as $field => $sort) {

-                    if (empty($flags[$field]) || $flags[$field] != 'primary_key') {

-                        $flags[$field] = $flag;

-                    }

-                }

-            }

-        }

-

-        $res = array();

-

-        if ($mode) {

-            $res['num_fields'] = count($fields);

-        }

-

-        foreach ($fields as $i => $field) {

-            $definition = $this->getTableFieldDefinition($result, $field);

-            if (PEAR::isError($definition)) {

-                $db->setOption('idxname_format', $idxname_format);

-                return $definition;

-            }

-            $res[$i] = $definition[0];

-            $res[$i]['name'] = $field;

-            $res[$i]['table'] = $result;

-            $res[$i]['type'] = preg_replace('/^([a-z]+).*$/i', '\\1', trim($definition[0]['nativetype']));

-            // 'primary_key', 'unique_key', 'multiple_key'

-            $res[$i]['flags'] = empty($flags[$field]) ? '' : $flags[$field];

-            // not_null', 'unsigned', 'auto_increment', 'default_[rawencodedvalue]'

-            if (!empty($res[$i]['notnull'])) {

-                $res[$i]['flags'].= ' not_null';

-            }

-            if (!empty($res[$i]['unsigned'])) {

-                $res[$i]['flags'].= ' unsigned';

-            }

-            if (!empty($res[$i]['auto_increment'])) {

-                $res[$i]['flags'].= ' autoincrement';

-            }

-            if (!empty($res[$i]['default'])) {

-                $res[$i]['flags'].= ' default_'.rawurlencode($res[$i]['default']);

-            }

-

-            if ($mode & MDB2_TABLEINFO_ORDER) {

-                $res['order'][$res[$i]['name']] = $i;

-            }

-            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {

-                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;

-            }

-        }

-

-        $db->setOption('idxname_format', $idxname_format);

-        return $res;

-    }

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php 273526 2009-01-14 15:01:21Z quipo $
+//
+
+/**
+ * @package MDB2
+ * @category Database
+ */
+
+/**
+ * These are constants for the tableInfo-function
+ * they are bitwised or'ed. so if there are more constants to be defined
+ * in the future, adjust MDB2_TABLEINFO_FULL accordingly
+ */
+
+define('MDB2_TABLEINFO_ORDER',      1);
+define('MDB2_TABLEINFO_ORDERTABLE', 2);
+define('MDB2_TABLEINFO_FULL',       3);
+
+/**
+ * Base class for the schema reverse engineering module that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Reverse');
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Reverse_Common extends MDB2_Module_Common
+{
+    // {{{ splitTableSchema()
+
+    /**
+     * Split the "[owner|schema].table" notation into an array
+     *
+     * @param string $table [schema and] table name
+     *
+     * @return array array(schema, table)
+     * @access private
+     */
+    function splitTableSchema($table)
+    {
+        $ret = array();
+        if (strpos($table, '.') !== false) {
+            return explode('.', $table);
+        }
+        return array(null, $table);
+    }
+
+    // }}}
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string    $table     name of table that should be used in method
+     * @param string    $field     name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure.
+     *          The returned array contains an array for each field definition,
+     *          with all or some of these indices, depending on the field data type:
+     *          [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
+     * @access public
+     */
+    function getTableFieldDefinition($table, $field)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string    $table      name of table that should be used in method
+     * @param string    $index      name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     *          The returned array has this structure:
+     *          </pre>
+     *          array (
+     *              [fields] => array (
+     *                  [field1name] => array() // one entry per each field covered
+     *                  [field2name] => array() // by the index
+     *                  [field3name] => array(
+     *                      [sorting] => ascending
+     *                  )
+     *              )
+     *          );
+     *          </pre>
+     * @access public
+     */
+    function getTableIndexDefinition($table, $index)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of an constraints into an array
+     *
+     * @param string    $table      name of table that should be used in method
+     * @param string    $index      name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     *          The returned array has this structure:
+     *          <pre>
+     *          array (
+     *              [primary] => 0
+     *              [unique]  => 0
+     *              [foreign] => 1
+     *              [check]   => 0
+     *              [fields] => array (
+     *                  [field1name] => array() // one entry per each field covered
+     *                  [field2name] => array() // by the index
+     *                  [field3name] => array(
+     *                      [sorting]  => ascending
+     *                      [position] => 3
+     *                  )
+     *              )
+     *              [references] => array(
+     *                  [table] => name
+     *                  [fields] => array(
+     *                      [field1name] => array(  //one entry per each referenced field
+     *                           [position] => 1
+     *                      )
+     *                  )
+     *              )
+     *              [deferrable] => 0
+     *              [initiallydeferred] => 0
+     *              [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+     *              [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+     *              [match] => SIMPLE|PARTIAL|FULL
+     *          );
+     *          </pre>
+     * @access public
+     */
+    function getTableConstraintDefinition($table, $index)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getSequenceDefinition()
+
+    /**
+     * Get the structure of a sequence into an array
+     *
+     * @param string    $sequence   name of sequence that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     *          The returned array has this structure:
+     *          <pre>
+     *          array (
+     *              [start] => n
+     *          );
+     *          </pre>
+     * @access public
+     */
+    function getSequenceDefinition($sequence)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $start = $db->currId($sequence);
+        if (PEAR::isError($start)) {
+            return $start;
+        }
+        if ($db->supports('current_id')) {
+            $start++;
+        } else {
+            $db->warnings[] = 'database does not support getting current
+                sequence value, the sequence value was incremented';
+        }
+        $definition = array();
+        if ($start != 1) {
+            $definition = array('start' => $start);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value 
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     *          The returned array has this structure:
+     *          <pre>
+     *          array (
+     *              [trigger_name]    => 'trigger name',
+     *              [table_name]      => 'table name',
+     *              [trigger_body]    => 'trigger body definition',
+     *              [trigger_type]    => 'BEFORE' | 'AFTER',
+     *              [trigger_event]   => 'INSERT' | 'UPDATE' | 'DELETE'
+     *                  //or comma separated list of multiple events, when supported
+     *              [trigger_enabled] => true|false
+     *              [trigger_comment] => 'trigger comment',
+     *          );
+     *          </pre>
+     *          The oci8 driver also returns a [when_clause] index.
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'method not implemented', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * The format of the resulting array depends on which <var>$mode</var>
+     * you select.  The sample output below is based on this query:
+     * <pre>
+     *    SELECT tblFoo.fldID, tblFoo.fldPhone, tblBar.fldId
+     *    FROM tblFoo
+     *    JOIN tblBar ON tblFoo.fldId = tblBar.fldId
+     * </pre>
+     *
+     * <ul>
+     * <li>
+     *
+     * <kbd>null</kbd> (default)
+     *   <pre>
+     *   [0] => Array (
+     *       [table] => tblFoo
+     *       [name] => fldId
+     *       [type] => int
+     *       [len] => 11
+     *       [flags] => primary_key not_null
+     *   )
+     *   [1] => Array (
+     *       [table] => tblFoo
+     *       [name] => fldPhone
+     *       [type] => string
+     *       [len] => 20
+     *       [flags] =>
+     *   )
+     *   [2] => Array (
+     *       [table] => tblBar
+     *       [name] => fldId
+     *       [type] => int
+     *       [len] => 11
+     *       [flags] => primary_key not_null
+     *   )
+     *   </pre>
+     *
+     * </li><li>
+     *
+     * <kbd>MDB2_TABLEINFO_ORDER</kbd>
+     *
+     *   <p>In addition to the information found in the default output,
+     *   a notation of the number of columns is provided by the
+     *   <samp>num_fields</samp> element while the <samp>order</samp>
+     *   element provides an array with the column names as the keys and
+     *   their location index number (corresponding to the keys in the
+     *   the default output) as the values.</p>
+     *
+     *   <p>If a result set has identical field names, the last one is
+     *   used.</p>
+     *
+     *   <pre>
+     *   [num_fields] => 3
+     *   [order] => Array (
+     *       [fldId] => 2
+     *       [fldTrans] => 1
+     *   )
+     *   </pre>
+     *
+     * </li><li>
+     *
+     * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>
+     *
+     *   <p>Similar to <kbd>MDB2_TABLEINFO_ORDER</kbd> but adds more
+     *   dimensions to the array in which the table names are keys and
+     *   the field names are sub-keys.  This is helpful for queries that
+     *   join tables which have identical field names.</p>
+     *
+     *   <pre>
+     *   [num_fields] => 3
+     *   [ordertable] => Array (
+     *       [tblFoo] => Array (
+     *           [fldId] => 0
+     *           [fldPhone] => 1
+     *       )
+     *       [tblBar] => Array (
+     *           [fldId] => 2
+     *       )
+     *   )
+     *   </pre>
+     *
+     * </li>
+     * </ul>
+     *
+     * The <samp>flags</samp> element contains a space separated list
+     * of extra information about the field.  This data is inconsistent
+     * between DBMS's due to the way each DBMS works.
+     *   + <samp>primary_key</samp>
+     *   + <samp>unique_key</samp>
+     *   + <samp>multiple_key</samp>
+     *   + <samp>not_null</samp>
+     *
+     * Most DBMS's only provide the <samp>table</samp> and <samp>flags</samp>
+     * elements if <var>$result</var> is a table name.  The following DBMS's
+     * provide full information from queries:
+     *   + fbsql
+     *   + mysql
+     *
+     * If the 'portability' option has <samp>MDB2_PORTABILITY_FIX_CASE</samp>
+     * turned on, the names of tables and fields will be lower or upper cased.
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                string containing the name of a table.
+     *                                While this also accepts a query result
+     *                                resource identifier, this behavior is
+     *                                deprecated.
+     * @param int  $mode   either unused or one of the tableInfo modes:
+     *                     <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>,
+     *                     <kbd>MDB2_TABLEINFO_ORDER</kbd> or
+     *                     <kbd>MDB2_TABLEINFO_FULL</kbd> (which does both).
+     *                     These are bitwise, so the first two can be
+     *                     combined using <kbd>|</kbd>.
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::setOption()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!is_string($result)) {
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'method not implemented', __FUNCTION__);
+        }
+
+        $db->loadModule('Manager', null, true);
+        $fields = $db->manager->listTableFields($result);
+        if (PEAR::isError($fields)) {
+            return $fields;
+        }
+
+        $flags = array();
+
+        $idxname_format = $db->getOption('idxname_format');
+        $db->setOption('idxname_format', '%s');
+
+        $indexes = $db->manager->listTableIndexes($result);
+        if (PEAR::isError($indexes)) {
+            $db->setOption('idxname_format', $idxname_format);
+            return $indexes;
+        }
+
+        foreach ($indexes as $index) {
+            $definition = $this->getTableIndexDefinition($result, $index);
+            if (PEAR::isError($definition)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $definition;
+            }
+            if (count($definition['fields']) > 1) {
+                foreach ($definition['fields'] as $field => $sort) {
+                    $flags[$field] = 'multiple_key';
+                }
+            }
+        }
+
+        $constraints = $db->manager->listTableConstraints($result);
+        if (PEAR::isError($constraints)) {
+            return $constraints;
+        }
+
+        foreach ($constraints as $constraint) {
+            $definition = $this->getTableConstraintDefinition($result, $constraint);
+            if (PEAR::isError($definition)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $definition;
+            }
+            $flag = !empty($definition['primary'])
+                ? 'primary_key' : (!empty($definition['unique'])
+                    ? 'unique_key' : false);
+            if ($flag) {
+                foreach ($definition['fields'] as $field => $sort) {
+                    if (empty($flags[$field]) || $flags[$field] != 'primary_key') {
+                        $flags[$field] = $flag;
+                    }
+                }
+            }
+        }
+
+        $res = array();
+
+        if ($mode) {
+            $res['num_fields'] = count($fields);
+        }
+
+        foreach ($fields as $i => $field) {
+            $definition = $this->getTableFieldDefinition($result, $field);
+            if (PEAR::isError($definition)) {
+                $db->setOption('idxname_format', $idxname_format);
+                return $definition;
+            }
+            $res[$i] = $definition[0];
+            $res[$i]['name'] = $field;
+            $res[$i]['table'] = $result;
+            $res[$i]['type'] = preg_replace('/^([a-z]+).*$/i', '\\1', trim($definition[0]['nativetype']));
+            // 'primary_key', 'unique_key', 'multiple_key'
+            $res[$i]['flags'] = empty($flags[$field]) ? '' : $flags[$field];
+            // not_null', 'unsigned', 'auto_increment', 'default_[rawencodedvalue]'
+            if (!empty($res[$i]['notnull'])) {
+                $res[$i]['flags'].= ' not_null';
+            }
+            if (!empty($res[$i]['unsigned'])) {
+                $res[$i]['flags'].= ' unsigned';
+            }
+            if (!empty($res[$i]['auto_increment'])) {
+                $res[$i]['flags'].= ' autoincrement';
+            }
+            if (!empty($res[$i]['default'])) {
+                $res[$i]['flags'].= ' default_'.rawurlencode($res[$i]['default']);
+            }
+
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        $db->setOption('idxname_format', $idxname_format);
+        return $res;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php
index 0991190c4..96bc09515 100644
--- a/program/lib/MDB2/Driver/Reverse/mssql.php
+++ b/program/lib/MDB2/Driver/Reverse/mssql.php
@@ -1,653 +1,653 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton     |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Authors: Lukas Smith <smith@pooteeweet.org>                          |

-// |          Lorenzo Alberton <l.alberton@quipo.it>                      |

-// +----------------------------------------------------------------------+

-//

-// $Id: mssql.php,v 1.49 2008/02/17 15:30:57 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 MSSQL driver for the schema reverse engineering module

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@dybnet.de>

- * @author  Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common

-{

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $field_name name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableFieldDefinition($table_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $fldname = $db->quoteIdentifier($field_name, true);

-

-        $query = "SELECT t.table_name,

-                         c.column_name 'name',

-                         c.data_type 'type',

-                         CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',

-                         c.column_default,

-                         c.character_maximum_length 'length',

-                         c.numeric_precision,

-                         c.numeric_scale,

-                         c.character_set_name,

-                         c.collation_name

-                    FROM INFORMATION_SCHEMA.TABLES t,

-                         INFORMATION_SCHEMA.COLUMNS c

-                   WHERE t.table_name = c.table_name

-                     AND t.table_name = '$table'

-                     AND c.column_name = '$fldname'";

-        if (!empty($schema)) {

-            $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";

-        }

-        $query .= ' ORDER BY t.table_name';

-        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($column)) {

-            return $column;

-        }

-        if (empty($column)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table column', __FUNCTION__);

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $column['name'] = strtolower($column['name']);

-            } else {

-                $column['name'] = strtoupper($column['name']);

-            }

-        } else {

-            $column = array_change_key_case($column, $db->options['field_case']);

-        }

-        $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-        if (PEAR::isError($mapped_datatype)) {

-            return $mapped_datatype;

-        }

-        list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-        $notnull = true;

-        if ($column['is_nullable']) {

-            $notnull = false;

-        }

-        $default = false;

-        if (array_key_exists('column_default', $column)) {

-            $default = $column['column_default'];

-            if (is_null($default) && $notnull) {

-                $default = '';

-            } elseif (strlen($default) > 4

-                   && substr($default, 0, 1) == '('

-                   &&  substr($default, -1, 1) == ')'

-            ) {

-                //mssql wraps the default value in parentheses: "((1234))", "(NULL)"

-                $default = trim($default, '()');

-                if ($default == 'NULL') {

-                    $default = null;

-                }

-            }

-        }

-        $definition[0] = array(

-            'notnull' => $notnull,

-            'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])

-        );

-        if (!is_null($length)) {

-            $definition[0]['length'] = $length;

-        }

-        if (!is_null($unsigned)) {

-            $definition[0]['unsigned'] = $unsigned;

-        }

-        if (!is_null($fixed)) {

-            $definition[0]['fixed'] = $fixed;

-        }

-        if ($default !== false) {

-            $definition[0]['default'] = $default;

-        }

-        foreach ($types as $key => $type) {

-            $definition[$key] = $definition[0];

-            if ($type == 'clob' || $type == 'blob') {

-                unset($definition[$key]['default']);

-            }

-            $definition[$key]['type'] = $type;

-            $definition[$key]['mdb2type'] = $type;

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $index_name name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableIndexDefinition($table_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        //$idxname = $db->quoteIdentifier($index_name, true);

-

-        $query = "SELECT OBJECT_NAME(i.id) tablename,

-                         i.name indexname,

-                         c.name field_name,

-                         CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')

-                           WHEN 1 THEN 'DESC' ELSE 'ASC'

-                         END 'collation',

-                         ik.keyno 'position'

-                    FROM sysindexes i

-                    JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid

-                    JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid

-                   WHERE OBJECT_NAME(i.id) = '$table'

-                     AND i.name = '%s'

-                     AND NOT EXISTS (

-                            SELECT *

-                              FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k

-                             WHERE k.table_name = OBJECT_NAME(i.id)

-                               AND k.constraint_name = i.name";

-        if (!empty($schema)) {

-            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";

-        }

-        $query .= ')

-                ORDER BY tablename, indexname, ik.keyno';

-

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        $result = $db->queryRow(sprintf($query, $index_name_mdb2));

-        if (!PEAR::isError($result) && !is_null($result)) {

-            // apply 'idxname_format' only if the query succeeded, otherwise

-            // fallback to the given $index_name, without transformation

-            $index_name = $index_name_mdb2;

-        }

-        $result = $db->query(sprintf($query, $index_name));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        $definition = array();

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $column_name = $row['field_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column_name = strtolower($column_name);

-                } else {

-                    $column_name = strtoupper($column_name);

-                }

-            }

-            $definition['fields'][$column_name] = array(

-                'position' => (int)$row['position'],

-            );

-            if (!empty($row['collation'])) {

-                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'

-                    ? 'ascending' : 'descending');

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table index', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SELECT k.table_name,

-                         k.column_name field_name,

-                         CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',

-                         CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',

-                         CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',

-                         CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',

-                         CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',

-                         CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',

-                         rc.match_option 'match',

-                		 rc.update_rule 'onupdate',

-                         rc.delete_rule 'ondelete',

-                         kcu.table_name 'references_table',

-                         kcu.column_name 'references_field',

-                         k.ordinal_position 'field_position'

-                    FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k

-                    LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c

-                      ON k.table_name = c.table_name

-                     AND k.table_schema = c.table_schema

-                     AND k.table_catalog = c.table_catalog

-                     AND k.constraint_catalog = c.constraint_catalog

-                     AND k.constraint_name = c.constraint_name

-               LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc

-                      ON rc.constraint_schema = c.constraint_schema

-                     AND rc.constraint_catalog = c.constraint_catalog

-                     AND rc.constraint_name = c.constraint_name

-               LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu

-                      ON rc.unique_constraint_schema = kcu.constraint_schema

-                     AND rc.unique_constraint_catalog = kcu.constraint_catalog

-                     AND rc.unique_constraint_name = kcu.constraint_name

-					 AND k.ordinal_position = kcu.ordinal_position

-                   WHERE k.constraint_catalog = DB_NAME()

-                     AND k.table_name = '$table'

-                     AND k.constraint_name = '%s'";

-        if (!empty($schema)) {

-            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";

-        }

-        $query .= ' ORDER BY k.constraint_name,

-                             k.ordinal_position';

-

-        $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-        $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));

-        if (!PEAR::isError($result) && !is_null($result)) {

-            // apply 'idxname_format' only if the query succeeded, otherwise

-            // fallback to the given $index_name, without transformation

-            $constraint_name = $constraint_name_mdb2;

-        }

-        $result = $db->query(sprintf($query, $constraint_name));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        $definition = array(

-            'fields' => array()

-        );

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($row, CASE_LOWER);

-            $column_name = $row['field_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column_name = strtolower($column_name);

-                } else {

-                    $column_name = strtoupper($column_name);

-                }

-            }

-            $definition['fields'][$column_name] = array(

-                'position' => (int)$row['field_position']

-            );

-            if ($row['foreign']) {

-                $ref_column_name = $row['references_field'];

-                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                    if ($db->options['field_case'] == CASE_LOWER) {

-                        $ref_column_name = strtolower($ref_column_name);

-                    } else {

-                        $ref_column_name = strtoupper($ref_column_name);

-                    }

-                }

-                $definition['references']['table'] = $row['references_table'];

-                $definition['references']['fields'][$ref_column_name] = array(

-                    'position' => (int)$row['field_position']

-                );

-            }

-            //collation?!?

-            /*

-            if (!empty($row['collation'])) {

-                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'

-                    ? 'ascending' : 'descending');

-            }

-            */

-            $lastrow = $row;

-            // otherwise $row is no longer usable on exit from loop

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-

-        $definition['primary'] = (boolean)$lastrow['primary'];

-        $definition['unique']  = (boolean)$lastrow['unique'];

-        $definition['foreign'] = (boolean)$lastrow['foreign'];

-        $definition['check']   = (boolean)$lastrow['check'];

-        $definition['deferrable'] = (boolean)$lastrow['deferrable'];

-        $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];

-        $definition['onupdate'] = $lastrow['onupdate'];

-        $definition['ondelete'] = $lastrow['ondelete'];

-        $definition['match']    = $lastrow['match'];

-

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT sys1.name trigger_name,

-                         sys2.name table_name,

-                         c.text trigger_body,

-                         c.encrypted is_encripted,

-                         CASE

-                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1

-                           THEN 0 ELSE 1

-                         END trigger_enabled,

-                         CASE

-                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1

-                           THEN 'INSERT'

-                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1

-                           THEN 'UPDATE'

-                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1

-                           THEN 'DELETE'

-                         END trigger_event,

-                         CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1

-                           THEN 'INSTEAD OF' ELSE 'AFTER'

-                         END trigger_type,

-                         '' trigger_comment

-                    FROM sysobjects sys1

-                    JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id

-                    JOIN syscomments c ON sys1.id = c.id

-                   WHERE sys1.xtype = 'TR'

-                     AND sys1.name = ". $db->quote($trigger, 'text');

-

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-            'trigger_comment' => 'text',

-            'trigger_enabled' => 'boolean',

-            'is_encripted'    => 'boolean',

-        );

-

-        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($def)) {

-            return $def;

-        }

-        $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');

-        if (!PEAR::isError($trg_body)) {

-            $def['trigger_body'] = implode(' ', $trg_body);

-        }

-        return $def;

-    }

-

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table or a result set

-     *

-     * NOTE: only supports 'table' and 'flags' if <var>$result</var>

-     * is a table name.

-     *

-     * @param object|string  $result  MDB2_result object from a query or a

-     *                                 string containing the name of a table.

-     *                                 While this also accepts a query result

-     *                                 resource identifier, this behavior is

-     *                                 deprecated.

-     * @param int            $mode    a valid tableInfo mode

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::tableInfo()

-     */

-    function tableInfo($result, $mode = null)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;

-        if (!is_resource($resource)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Could not generate result resource', __FUNCTION__);

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $case_func = 'strtolower';

-            } else {

-                $case_func = 'strtoupper';

-            }

-        } else {

-            $case_func = 'strval';

-        }

-

-        $count = @mssql_num_fields($resource);

-        $res   = array();

-

-        if ($mode) {

-            $res['num_fields'] = $count;

-        }

-

-        $db->loadModule('Datatype', null, true);

-        for ($i = 0; $i < $count; $i++) {

-            $res[$i] = array(

-                'table' => '',

-                'name'  => $case_func(@mssql_field_name($resource, $i)),

-                'type'  => @mssql_field_type($resource, $i),

-                'length'   => @mssql_field_length($resource, $i),

-                'flags' => '',

-            );

-            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);

-            if (PEAR::isError($mdb2type_info)) {

-               return $mdb2type_info;

-            }

-            $res[$i]['mdb2type'] = $mdb2type_info[0][0];

-            if ($mode & MDB2_TABLEINFO_ORDER) {

-                $res['order'][$res[$i]['name']] = $i;

-            }

-            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {

-                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;

-            }

-        }

-

-        return $res;

-    }

-

-    // }}}

-    // {{{ _mssql_field_flags()

-

-    /**

-     * Get a column's flags

-     *

-     * Supports "not_null", "primary_key",

-     * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),

-     * "unique_key" (mssql unique index, unique check or primary_key) and

-     * "multiple_key" (multikey index)

-     *

-     * mssql timestamp is NOT similar to the mysql timestamp so this is maybe

-     * not useful at all - is the behaviour of mysql_field_flags that primary

-     * keys are alway unique? is the interpretation of multiple_key correct?

-     *

-     * @param string $table   the table name

-     * @param string $column  the field name

-     *

-     * @return string  the flags

-     *

-     * @access protected

-     * @author Joern Barthel <j_barthel@web.de>

-     */

-    function _mssql_field_flags($table, $column)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        static $tableName = null;

-        static $flags = array();

-

-        if ($table != $tableName) {

-

-            $flags = array();

-            $tableName = $table;

-

-            // get unique and primary keys

-            $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);

-

-            foreach ($res as $val) {

-                $val = array_change_key_case($val, CASE_LOWER);

-                $keys = explode(', ', $val['index_keys']);

-

-                if (sizeof($keys) > 1) {

-                    foreach ($keys as $key) {

-                        $this->_add_flag($flags[$key], 'multiple_key');

-                    }

-                }

-

-                if (strpos($val['index_description'], 'primary key')) {

-                    foreach ($keys as $key) {

-                        $this->_add_flag($flags[$key], 'primary_key');

-                    }

-                } elseif (strpos($val['index_description'], 'unique')) {

-                    foreach ($keys as $key) {

-                        $this->_add_flag($flags[$key], 'unique_key');

-                    }

-                }

-            }

-

-            // get auto_increment, not_null and timestamp

-            $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);

-

-            foreach ($res as $val) {

-                $val = array_change_key_case($val, CASE_LOWER);

-                if ($val['nullable'] == '0') {

-                    $this->_add_flag($flags[$val['column_name']], 'not_null');

-                }

-                if (strpos($val['type_name'], 'identity')) {

-                    $this->_add_flag($flags[$val['column_name']], 'auto_increment');

-                }

-                if (strpos($val['type_name'], 'timestamp')) {

-                    $this->_add_flag($flags[$val['column_name']], 'timestamp');

-                }

-            }

-        }

-

-        if (!empty($flags[$column])) {

-            return(implode(' ', $flags[$column]));

-        }

-        return '';

-    }

-

-    // }}}

-    // {{{ _add_flag()

-

-    /**

-     * Adds a string to the flags array if the flag is not yet in there

-     * - if there is no flag present the array is created

-     *

-     * @param array  &$array  the reference to the flag-array

-     * @param string $value   the flag value

-     *

-     * @return void

-     *

-     * @access protected

-     * @author Joern Barthel <j_barthel@web.de>

-     */

-    function _add_flag(&$array, $value)

-    {

-        if (!is_array($array)) {

-            $array = array($value);

-        } elseif (!in_array($value, $array)) {

-            array_push($array, $value);

-        }

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton     |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
+{
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $fldname = $db->quoteIdentifier($field_name, true);
+
+        $query = "SELECT t.table_name,
+                         c.column_name 'name',
+                         c.data_type 'type',
+                         CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',
+                         c.column_default,
+                         c.character_maximum_length 'length',
+                         c.numeric_precision,
+                         c.numeric_scale,
+                         c.character_set_name,
+                         c.collation_name
+                    FROM INFORMATION_SCHEMA.TABLES t,
+                         INFORMATION_SCHEMA.COLUMNS c
+                   WHERE t.table_name = c.table_name
+                     AND t.table_name = '$table'
+                     AND c.column_name = '$fldname'";
+        if (!empty($schema)) {
+            $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY t.table_name';
+        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($column)) {
+            return $column;
+        }
+        if (empty($column)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table column', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $column['name'] = strtolower($column['name']);
+            } else {
+                $column['name'] = strtoupper($column['name']);
+            }
+        } else {
+            $column = array_change_key_case($column, $db->options['field_case']);
+        }
+        $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+        if (PEAR::isError($mapped_datatype)) {
+            return $mapped_datatype;
+        }
+        list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+        $notnull = true;
+        if ($column['is_nullable']) {
+            $notnull = false;
+        }
+        $default = false;
+        if (array_key_exists('column_default', $column)) {
+            $default = $column['column_default'];
+            if ((null === $default) && $notnull) {
+                $default = '';
+            } elseif (strlen($default) > 4
+                   && substr($default, 0, 1) == '('
+                   &&  substr($default, -1, 1) == ')'
+            ) {
+                //mssql wraps the default value in parentheses: "((1234))", "(NULL)"
+                $default = trim($default, '()');
+                if ($default == 'NULL') {
+                    $default = null;
+                }
+            }
+        }
+        $definition[0] = array(
+            'notnull' => $notnull,
+            'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+        );
+        if (null !== $length) {
+            $definition[0]['length'] = $length;
+        }
+        if (null !== $unsigned) {
+            $definition[0]['unsigned'] = $unsigned;
+        }
+        if (null !== $fixed) {
+            $definition[0]['fixed'] = $fixed;
+        }
+        if (false !== $default) {
+            $definition[0]['default'] = $default;
+        }
+        foreach ($types as $key => $type) {
+            $definition[$key] = $definition[0];
+            if ($type == 'clob' || $type == 'blob') {
+                unset($definition[$key]['default']);
+            }
+            $definition[$key]['type'] = $type;
+            $definition[$key]['mdb2type'] = $type;
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        //$idxname = $db->quoteIdentifier($index_name, true);
+
+        $query = "SELECT OBJECT_NAME(i.id) tablename,
+                         i.name indexname,
+                         c.name field_name,
+                         CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')
+                           WHEN 1 THEN 'DESC' ELSE 'ASC'
+                         END 'collation',
+                         ik.keyno 'position'
+                    FROM sysindexes i
+                    JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid
+                    JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid
+                   WHERE OBJECT_NAME(i.id) = '$table'
+                     AND i.name = '%s'
+                     AND NOT EXISTS (
+                            SELECT *
+                              FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                             WHERE k.table_name = OBJECT_NAME(i.id)
+                               AND k.constraint_name = i.name";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ')
+                ORDER BY tablename, indexname, ik.keyno';
+
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $index_name_mdb2));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $index_name = $index_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $index_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $column_name = $row['field_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column_name = strtolower($column_name);
+                } else {
+                    $column_name = strtoupper($column_name);
+                }
+            }
+            $definition['fields'][$column_name] = array(
+                'position' => (int)$row['position'],
+            );
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SELECT k.table_name,
+                         k.column_name field_name,
+                         CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',
+                         CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',
+                         CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',
+                         CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',
+                         CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',
+                         CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',
+                         rc.match_option 'match',
+                		 rc.update_rule 'onupdate',
+                         rc.delete_rule 'ondelete',
+                         kcu.table_name 'references_table',
+                         kcu.column_name 'references_field',
+                         k.ordinal_position 'field_position'
+                    FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                    LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+                      ON k.table_name = c.table_name
+                     AND k.table_schema = c.table_schema
+                     AND k.table_catalog = c.table_catalog
+                     AND k.constraint_catalog = c.constraint_catalog
+                     AND k.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc
+                      ON rc.constraint_schema = c.constraint_schema
+                     AND rc.constraint_catalog = c.constraint_catalog
+                     AND rc.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu
+                      ON rc.unique_constraint_schema = kcu.constraint_schema
+                     AND rc.unique_constraint_catalog = kcu.constraint_catalog
+                     AND rc.unique_constraint_name = kcu.constraint_name
+					 AND k.ordinal_position = kcu.ordinal_position
+                   WHERE k.constraint_catalog = DB_NAME()
+                     AND k.table_name = '$table'
+                     AND k.constraint_name = '%s'";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY k.constraint_name,
+                             k.ordinal_position';
+
+        $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+        $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $constraint_name = $constraint_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $constraint_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array(
+            'fields' => array()
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $column_name = $row['field_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column_name = strtolower($column_name);
+                } else {
+                    $column_name = strtoupper($column_name);
+                }
+            }
+            $definition['fields'][$column_name] = array(
+                'position' => (int)$row['field_position']
+            );
+            if ($row['foreign']) {
+                $ref_column_name = $row['references_field'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $ref_column_name = strtolower($ref_column_name);
+                    } else {
+                        $ref_column_name = strtoupper($ref_column_name);
+                    }
+                }
+                $definition['references']['table'] = $row['references_table'];
+                $definition['references']['fields'][$ref_column_name] = array(
+                    'position' => (int)$row['field_position']
+                );
+            }
+            //collation?!?
+            /*
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+            */
+            $lastrow = $row;
+            // otherwise $row is no longer usable on exit from loop
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+
+        $definition['primary'] = (boolean)$lastrow['primary'];
+        $definition['unique']  = (boolean)$lastrow['unique'];
+        $definition['foreign'] = (boolean)$lastrow['foreign'];
+        $definition['check']   = (boolean)$lastrow['check'];
+        $definition['deferrable'] = (boolean)$lastrow['deferrable'];
+        $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];
+        $definition['onupdate'] = $lastrow['onupdate'];
+        $definition['ondelete'] = $lastrow['ondelete'];
+        $definition['match']    = $lastrow['match'];
+
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT sys1.name trigger_name,
+                         sys2.name table_name,
+                         c.text trigger_body,
+                         c.encrypted is_encripted,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1
+                           THEN 0 ELSE 1
+                         END trigger_enabled,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1
+                           THEN 'INSERT'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1
+                           THEN 'UPDATE'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1
+                           THEN 'DELETE'
+                         END trigger_event,
+                         CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1
+                           THEN 'INSTEAD OF' ELSE 'AFTER'
+                         END trigger_type,
+                         '' trigger_comment
+                    FROM sysobjects sys1
+                    JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
+                    JOIN syscomments c ON sys1.id = c.id
+                   WHERE sys1.xtype = 'TR'
+                     AND sys1.name = ". $db->quote($trigger, 'text');
+
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+            'trigger_comment' => 'text',
+            'trigger_enabled' => 'boolean',
+            'is_encripted'    => 'boolean',
+        );
+
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
+        if (!PEAR::isError($trg_body)) {
+            $def['trigger_body'] = implode(' ', $trg_body);
+        }
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+     * is a table name.
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                 string containing the name of a table.
+     *                                 While this also accepts a query result
+     *                                 resource identifier, this behavior is
+     *                                 deprecated.
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_resource($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $case_func = 'strtolower';
+            } else {
+                $case_func = 'strtoupper';
+            }
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = @mssql_num_fields($resource);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => '',
+                'name'  => $case_func(@mssql_field_name($resource, $i)),
+                'type'  => @mssql_field_type($resource, $i),
+                'length'   => @mssql_field_length($resource, $i),
+                'flags' => '',
+            );
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+
+    // }}}
+    // {{{ _mssql_field_flags()
+
+    /**
+     * Get a column's flags
+     *
+     * Supports "not_null", "primary_key",
+     * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
+     * "unique_key" (mssql unique index, unique check or primary_key) and
+     * "multiple_key" (multikey index)
+     *
+     * mssql timestamp is NOT similar to the mysql timestamp so this is maybe
+     * not useful at all - is the behaviour of mysql_field_flags that primary
+     * keys are alway unique? is the interpretation of multiple_key correct?
+     *
+     * @param string $table   the table name
+     * @param string $column  the field name
+     *
+     * @return string  the flags
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _mssql_field_flags($table, $column)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        static $tableName = null;
+        static $flags = array();
+
+        if ($table != $tableName) {
+
+            $flags = array();
+            $tableName = $table;
+
+            // get unique and primary keys
+            $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                $keys = explode(', ', $val['index_keys']);
+
+                if (sizeof($keys) > 1) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'multiple_key');
+                    }
+                }
+
+                if (strpos($val['index_description'], 'primary key')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'primary_key');
+                    }
+                } elseif (strpos($val['index_description'], 'unique')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'unique_key');
+                    }
+                }
+            }
+
+            // get auto_increment, not_null and timestamp
+            $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                if ($val['nullable'] == '0') {
+                    $this->_add_flag($flags[$val['column_name']], 'not_null');
+                }
+                if (strpos($val['type_name'], 'identity')) {
+                    $this->_add_flag($flags[$val['column_name']], 'auto_increment');
+                }
+                if (strpos($val['type_name'], 'timestamp')) {
+                    $this->_add_flag($flags[$val['column_name']], 'timestamp');
+                }
+            }
+        }
+
+        if (!empty($flags[$column])) {
+            return(implode(' ', $flags[$column]));
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _add_flag()
+
+    /**
+     * Adds a string to the flags array if the flag is not yet in there
+     * - if there is no flag present the array is created
+     *
+     * @param array  &$array  the reference to the flag-array
+     * @param string $value   the flag value
+     *
+     * @return void
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _add_flag(&$array, $value)
+    {
+        if (!is_array($array)) {
+            $array = array($value);
+        } elseif (!in_array($value, $array)) {
+            array_push($array, $value);
+        }
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/mysql.php b/program/lib/MDB2/Driver/Reverse/mysql.php
index ac6abedbc..2ac9fc0f5 100644
--- a/program/lib/MDB2/Driver/Reverse/mysql.php
+++ b/program/lib/MDB2/Driver/Reverse/mysql.php
@@ -1,514 +1,536 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysql.php,v 1.79 2007/11/25 13:38:29 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 MySQL driver for the schema reverse engineering module

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- * @author  Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common

-{

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $field_name name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableFieldDefinition($table_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);

-        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($columns)) {

-            return $columns;

-        }

-        foreach ($columns as $column) {

-            $column = array_change_key_case($column, CASE_LOWER);

-            $column['name'] = $column['field'];

-            unset($column['field']);

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column['name'] = strtolower($column['name']);

-                } else {

-                    $column['name'] = strtoupper($column['name']);

-                }

-            } else {

-                $column = array_change_key_case($column, $db->options['field_case']);

-            }

-            if ($field_name == $column['name']) {

-                $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-                if (PEAR::isError($mapped_datatype)) {

-                    return $mapped_datatype;

-                }

-                list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-                $notnull = false;

-                if (empty($column['null']) || $column['null'] !== 'YES') {

-                    $notnull = true;

-                }

-                $default = false;

-                if (array_key_exists('default', $column)) {

-                    $default = $column['default'];

-                    if (is_null($default) && $notnull) {

-                        $default = '';

-                    }

-                }

-                $autoincrement = false;

-                if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {

-                    $autoincrement = true;

-                }

-                $collate = null;

-                if (!empty($column['collation'])) {

-                    $collate = $column['collation'];

-                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);

-                }

-

-                $definition[0] = array(

-                    'notnull' => $notnull,

-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])

-                );

-                if (!is_null($length)) {

-                    $definition[0]['length'] = $length;

-                }

-                if (!is_null($unsigned)) {

-                    $definition[0]['unsigned'] = $unsigned;

-                }

-                if (!is_null($fixed)) {

-                    $definition[0]['fixed'] = $fixed;

-                }

-                if ($default !== false) {

-                    $definition[0]['default'] = $default;

-                }

-                if ($autoincrement !== false) {

-                    $definition[0]['autoincrement'] = $autoincrement;

-                }

-                if (!is_null($collate)) {

-                    $definition[0]['collate'] = $collate;

-                    $definition[0]['charset'] = $charset;

-                }

-                foreach ($types as $key => $type) {

-                    $definition[$key] = $definition[0];

-                    if ($type == 'clob' || $type == 'blob') {

-                        unset($definition[$key]['default']);

-                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {

-                        $definition[$key]['default'] = '0000-00-00 00:00:00';

-                    }

-                    $definition[$key]['type'] = $type;

-                    $definition[$key]['mdb2type'] = $type;

-                }

-                return $definition;

-            }

-        }

-

-        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-            'it was not specified an existing table column', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $index_name name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableIndexDefinition($table_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));

-        if (!PEAR::isError($result) && !is_null($result)) {

-            // apply 'idxname_format' only if the query succeeded, otherwise

-            // fallback to the given $index_name, without transformation

-            $index_name = $index_name_mdb2;

-        }

-        $result = $db->query(sprintf($query, $db->quote($index_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        $definition = array();

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($row, CASE_LOWER);

-            $key_name = $row['key_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $key_name = strtolower($key_name);

-                } else {

-                    $key_name = strtoupper($key_name);

-                }

-            }

-            if ($index_name == $key_name) {

-                if (!$row['non_unique']) {

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $index_name . ' is not an existing table index', __FUNCTION__);

-                }

-                $column_name = $row['column_name'];

-                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                    if ($db->options['field_case'] == CASE_LOWER) {

-                        $column_name = strtolower($column_name);

-                    } else {

-                        $column_name = strtoupper($column_name);

-                    }

-                }

-                $definition['fields'][$column_name] = array(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $index_name . ' is not an existing table index', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-        $constraint_name_original = $constraint_name;

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        if (strtolower($constraint_name) != 'primary') {

-            $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));

-            if (!PEAR::isError($result) && !is_null($result)) {

-                // apply 'idxname_format' only if the query succeeded, otherwise

-                // fallback to the given $index_name, without transformation

-                $constraint_name = $constraint_name_mdb2;

-            }

-        }

-        $result = $db->query(sprintf($query, $db->quote($constraint_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        //default values, eventually overridden

-        $definition = array(

-            'primary' => false,

-            'unique'  => false,

-            'foreign' => false,

-            'check'   => false,

-            'fields'  => array(),

-            'references' => array(

-                'table'  => '',

-                'fields' => array(),

-            ),

-            'onupdate'  => '',

-            'ondelete'  => '',

-            'match'     => '',

-            'deferrable'        => false,

-            'initiallydeferred' => false,

-        );

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($row, CASE_LOWER);

-            $key_name = $row['key_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $key_name = strtolower($key_name);

-                } else {

-                    $key_name = strtoupper($key_name);

-                }

-            }

-            if ($constraint_name == $key_name) {

-                if ($row['non_unique']) {

-                    //FOREIGN KEY?

-                    $query = 'SHOW CREATE TABLE '. $db->escape($table);

-                    $constraint = $db->queryOne($query, 'text', 1);

-                    if (!PEAR::isError($constraint) && !empty($constraint)) {

-                        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                            if ($db->options['field_case'] == CASE_LOWER) {

-                                $constraint = strtolower($constraint);

-                            } else {

-                                $constraint = strtoupper($constraint);

-                            }

-                        }

-                        $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            //fallback to original constraint name

-                            $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        }

-                        if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            $definition['foreign'] = true;

-                            $column_names = explode(',', $matches[1]);

-                            $referenced_cols = explode(',', $matches[3]);

-                            $definition['references'] = array(

-                                'table'  => $matches[2],

-                                'fields' => array(),

-                            );

-                            $colpos = 1;

-                            foreach ($column_names as $column_name) {

-                                $definition['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $colpos = 1;

-                            foreach ($referenced_cols as $column_name) {

-                                $definition['references']['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $definition['onupdate'] = 'NO ACTION';

-                            $definition['ondelete'] = 'NO ACTION';

-                            $definition['match']    = 'SIMPLE';

-                            return $definition;

-                        }

-                    }

-

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-                }

-                if ($row['key_name'] == 'PRIMARY') {

-                    $definition['primary'] = true;

-                } elseif (!$row['non_unique']) {

-                    $definition['unique'] = true;

-                }

-                $column_name = $row['column_name'];

-                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                    if ($db->options['field_case'] == CASE_LOWER) {

-                        $column_name = strtolower($column_name);

-                    } else {

-                        $column_name = strtoupper($column_name);

-                    }

-                }

-                $definition['fields'][$column_name] = array(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SELECT trigger_name,

-                         event_object_table AS table_name,

-                         action_statement AS trigger_body,

-                         action_timing AS trigger_type,

-                         event_manipulation AS trigger_event

-                    FROM information_schema.triggers

-                   WHERE trigger_name = '. $db->quote($trigger, 'text');

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-        );

-        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($def)) {

-            return $def;

-        }

-        $def['trigger_comment'] = '';

-        $def['trigger_enabled'] = true;

-        return $def;

-    }

-

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table or a result set

-     *

-     * @param object|string  $result  MDB2_result object from a query or a

-     *                                 string containing the name of a table.

-     *                                 While this also accepts a query result

-     *                                 resource identifier, this behavior is

-     *                                 deprecated.

-     * @param int            $mode    a valid tableInfo mode

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::setOption()

-     */

-    function tableInfo($result, $mode = null)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;

-        if (!is_resource($resource)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Could not generate result resource', __FUNCTION__);

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $case_func = 'strtolower';

-            } else {

-                $case_func = 'strtoupper';

-            }

-        } else {

-            $case_func = 'strval';

-        }

-

-        $count = @mysql_num_fields($resource);

-        $res   = array();

-        if ($mode) {

-            $res['num_fields'] = $count;

-        }

-

-        $db->loadModule('Datatype', null, true);

-        for ($i = 0; $i < $count; $i++) {

-            $res[$i] = array(

-                'table' => $case_func(@mysql_field_table($resource, $i)),

-                'name'  => $case_func(@mysql_field_name($resource, $i)),

-                'type'  => @mysql_field_type($resource, $i),

-                'length'   => @mysql_field_len($resource, $i),

-                'flags' => @mysql_field_flags($resource, $i),

-            );

-            if ($res[$i]['type'] == 'string') {

-                $res[$i]['type'] = 'char';

-            } elseif ($res[$i]['type'] == 'unknown') {

-                $res[$i]['type'] = 'decimal';

-            }

-            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);

-            if (PEAR::isError($mdb2type_info)) {

-               return $mdb2type_info;

-            }

-            $res[$i]['mdb2type'] = $mdb2type_info[0][0];

-            if ($mode & MDB2_TABLEINFO_ORDER) {

-                $res['order'][$res[$i]['name']] = $i;

-            }

-            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {

-                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;

-            }

-        }

-

-        return $res;

-    }

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common
+{
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            $column = array_change_key_case($column, CASE_LOWER);
+            $column['name'] = $column['field'];
+            unset($column['field']);
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column['name'] = strtolower($column['name']);
+                } else {
+                    $column['name'] = strtoupper($column['name']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            if ($field_name == $column['name']) {
+                $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+                if (PEAR::isError($mapped_datatype)) {
+                    return $mapped_datatype;
+                }
+                list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+                $notnull = false;
+                if (empty($column['null']) || $column['null'] !== 'YES') {
+                    $notnull = true;
+                }
+                $default = false;
+                if (array_key_exists('default', $column)) {
+                    $default = $column['default'];
+                    if ((null === $default) && $notnull) {
+                        $default = '';
+                    }
+                }
+                $autoincrement = false;
+                if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
+                    $autoincrement = true;
+                }
+                $collate = null;
+                if (!empty($column['collation'])) {
+                    $collate = $column['collation'];
+                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+                }
+
+                $definition[0] = array(
+                    'notnull' => $notnull,
+                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+                );
+                if (null !== $length) {
+                    $definition[0]['length'] = $length;
+                }
+                if (null !== $unsigned) {
+                    $definition[0]['unsigned'] = $unsigned;
+                }
+                if (null !== $fixed) {
+                    $definition[0]['fixed'] = $fixed;
+                }
+                if ($default !== false) {
+                    $definition[0]['default'] = $default;
+                }
+                if ($autoincrement !== false) {
+                    $definition[0]['autoincrement'] = $autoincrement;
+                }
+                if (null !== $collate) {
+                    $definition[0]['collate'] = $collate;
+                    $definition[0]['charset'] = $charset;
+                }
+                foreach ($types as $key => $type) {
+                    $definition[$key] = $definition[0];
+                    if ($type == 'clob' || $type == 'blob') {
+                        unset($definition[$key]['default']);
+                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+                        $definition[$key]['default'] = '0000-00-00 00:00:00';
+                    }
+                    $definition[$key]['type'] = $type;
+                    $definition[$key]['mdb2type'] = $type;
+                }
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+            'it was not specified an existing table column', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $index_name = $index_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $db->quote($index_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $key_name = $row['key_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $key_name = strtolower($key_name);
+                } else {
+                    $key_name = strtoupper($key_name);
+                }
+            }
+            if ($index_name == $key_name) {
+                if (!$row['non_unique']) {
+                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        $index_name . ' is not an existing table index', __FUNCTION__);
+                }
+                $column_name = $row['column_name'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $column_name = strtolower($column_name);
+                    } else {
+                        $column_name = strtoupper($column_name);
+                    }
+                }
+                $definition['fields'][$column_name] = array(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $index_name . ' is not an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+        $constraint_name_original = $constraint_name;
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        if (strtolower($constraint_name) != 'primary') {
+            $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+            if (!PEAR::isError($result) && (null !== $result)) {
+                // apply 'idxname_format' only if the query succeeded, otherwise
+                // fallback to the given $index_name, without transformation
+                $constraint_name = $constraint_name_mdb2;
+            }
+        }
+        $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        //default values, eventually overridden
+        $definition = array(
+            'primary' => false,
+            'unique'  => false,
+            'foreign' => false,
+            'check'   => false,
+            'fields'  => array(),
+            'references' => array(
+                'table'  => '',
+                'fields' => array(),
+            ),
+            'onupdate'  => '',
+            'ondelete'  => '',
+            'match'     => '',
+            'deferrable'        => false,
+            'initiallydeferred' => false,
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $key_name = $row['key_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $key_name = strtolower($key_name);
+                } else {
+                    $key_name = strtoupper($key_name);
+                }
+            }
+            if ($constraint_name == $key_name) {
+                if ($row['non_unique']) {
+                    //FOREIGN KEY?
+                    return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+                }
+                if ($row['key_name'] == 'PRIMARY') {
+                    $definition['primary'] = true;
+                } elseif (!$row['non_unique']) {
+                    $definition['unique'] = true;
+                }
+                $column_name = $row['column_name'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $column_name = strtolower($column_name);
+                    } else {
+                        $column_name = strtoupper($column_name);
+                    }
+                }
+                $definition['fields'][$column_name] = array(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ _getTableFKConstraintDefinition()
+    
+    /**
+     * Get the FK definition from the CREATE TABLE statement
+     *
+     * @param string $table           table name
+     * @param string $constraint_name constraint name
+     * @param array  $definition      default values for constraint definition
+     *
+     * @return array|PEAR_Error
+     * @access private
+     */
+    function _getTableFKConstraintDefinition($table, $constraint_name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query = 'SHOW CREATE TABLE '. $db->escape($table);
+        $constraint = $db->queryOne($query, 'text', 1);
+        if (!PEAR::isError($constraint) && !empty($constraint)) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $constraint = strtolower($constraint);
+                } else {
+                    $constraint = strtoupper($constraint);
+                }
+            }
+            $constraint_name_original = $constraint_name;
+            $constraint_name = $db->getIndexName($constraint_name);
+            $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                //fallback to original constraint name
+                $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            }
+            if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                $definition['foreign'] = true;
+                $column_names = explode(',', $matches[1]);
+                $referenced_cols = explode(',', $matches[3]);
+                $definition['references'] = array(
+                    'table'  => $matches[2],
+                    'fields' => array(),
+                );
+                $colpos = 1;
+                foreach ($column_names as $column_name) {
+                    $definition['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $colpos = 1;
+                foreach ($referenced_cols as $column_name) {
+                    $definition['references']['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $definition['onupdate'] = 'NO ACTION';
+                $definition['ondelete'] = 'NO ACTION';
+                $definition['match']    = 'SIMPLE';
+                return $definition;
+            }
+        }
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT trigger_name,
+                         event_object_table AS table_name,
+                         action_statement AS trigger_body,
+                         action_timing AS trigger_type,
+                         event_manipulation AS trigger_event
+                    FROM information_schema.triggers
+                   WHERE trigger_name = '. $db->quote($trigger, 'text');
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+        );
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $def['trigger_comment'] = '';
+        $def['trigger_enabled'] = true;
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                 string containing the name of a table.
+     *                                 While this also accepts a query result
+     *                                 resource identifier, this behavior is
+     *                                 deprecated.
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::setOption()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_resource($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $case_func = 'strtolower';
+            } else {
+                $case_func = 'strtoupper';
+            }
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = @mysql_num_fields($resource);
+        $res   = array();
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => $case_func(@mysql_field_table($resource, $i)),
+                'name'  => $case_func(@mysql_field_name($resource, $i)),
+                'type'  => @mysql_field_type($resource, $i),
+                'length'   => @mysql_field_len($resource, $i),
+                'flags' => @mysql_field_flags($resource, $i),
+            );
+            if ($res[$i]['type'] == 'string') {
+                $res[$i]['type'] = 'char';
+            } elseif ($res[$i]['type'] == 'unknown') {
+                $res[$i]['type'] = 'decimal';
+            }
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/mysqli.php b/program/lib/MDB2/Driver/Reverse/mysqli.php
index 741fac059..4ad52b16c 100644
--- a/program/lib/MDB2/Driver/Reverse/mysqli.php
+++ b/program/lib/MDB2/Driver/Reverse/mysqli.php
@@ -1,578 +1,600 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: mysqli.php,v 1.69 2007/11/25 13:38:29 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 MySQLi driver for the schema reverse engineering module

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- * @author  Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common

-{

-    /**

-     * Array for converting MYSQLI_*_FLAG constants to text values

-     * @var    array

-     * @access public

-     */

-    var $flags = array(

-        MYSQLI_NOT_NULL_FLAG        => 'not_null',

-        MYSQLI_PRI_KEY_FLAG         => 'primary_key',

-        MYSQLI_UNIQUE_KEY_FLAG      => 'unique_key',

-        MYSQLI_MULTIPLE_KEY_FLAG    => 'multiple_key',

-        MYSQLI_BLOB_FLAG            => 'blob',

-        MYSQLI_UNSIGNED_FLAG        => 'unsigned',

-        MYSQLI_ZEROFILL_FLAG        => 'zerofill',

-        MYSQLI_AUTO_INCREMENT_FLAG  => 'auto_increment',

-        MYSQLI_TIMESTAMP_FLAG       => 'timestamp',

-        MYSQLI_SET_FLAG             => 'set',

-        // MYSQLI_NUM_FLAG             => 'numeric',  // unnecessary

-        // MYSQLI_PART_KEY_FLAG        => 'multiple_key',  // duplicatvie

-        MYSQLI_GROUP_FLAG           => 'group_by'

-    );

-

-    /**

-     * Array for converting MYSQLI_TYPE_* constants to text values

-     * @var    array

-     * @access public

-     */

-    var $types = array(

-        MYSQLI_TYPE_DECIMAL     => 'decimal',

-        246                     => 'decimal',

-        MYSQLI_TYPE_TINY        => 'tinyint',

-        MYSQLI_TYPE_SHORT       => 'int',

-        MYSQLI_TYPE_LONG        => 'int',

-        MYSQLI_TYPE_FLOAT       => 'float',

-        MYSQLI_TYPE_DOUBLE      => 'double',

-        // MYSQLI_TYPE_NULL        => 'DEFAULT NULL',  // let flags handle it

-        MYSQLI_TYPE_TIMESTAMP   => 'timestamp',

-        MYSQLI_TYPE_LONGLONG    => 'bigint',

-        MYSQLI_TYPE_INT24       => 'mediumint',

-        MYSQLI_TYPE_DATE        => 'date',

-        MYSQLI_TYPE_TIME        => 'time',

-        MYSQLI_TYPE_DATETIME    => 'datetime',

-        MYSQLI_TYPE_YEAR        => 'year',

-        MYSQLI_TYPE_NEWDATE     => 'date',

-        MYSQLI_TYPE_ENUM        => 'enum',

-        MYSQLI_TYPE_SET         => 'set',

-        MYSQLI_TYPE_TINY_BLOB   => 'tinyblob',

-        MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',

-        MYSQLI_TYPE_LONG_BLOB   => 'longblob',

-        MYSQLI_TYPE_BLOB        => 'blob',

-        MYSQLI_TYPE_VAR_STRING  => 'varchar',

-        MYSQLI_TYPE_STRING      => 'char',

-        MYSQLI_TYPE_GEOMETRY    => 'geometry',

-    );

-

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $field_name name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableFieldDefinition($table_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);

-        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($columns)) {

-            return $columns;

-        }

-        foreach ($columns as $column) {

-            $column = array_change_key_case($column, CASE_LOWER);

-            $column['name'] = $column['field'];

-            unset($column['field']);

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column['name'] = strtolower($column['name']);

-                } else {

-                    $column['name'] = strtoupper($column['name']);

-                }

-            } else {

-                $column = array_change_key_case($column, $db->options['field_case']);

-            }

-            if ($field_name == $column['name']) {

-                $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-                if (PEAR::isError($mapped_datatype)) {

-                    return $mapped_datatype;

-                }

-                list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-                $notnull = false;

-                if (empty($column['null']) || $column['null'] !== 'YES') {

-                    $notnull = true;

-                }

-                $default = false;

-                if (array_key_exists('default', $column)) {

-                    $default = $column['default'];

-                    if (is_null($default) && $notnull) {

-                        $default = '';

-                    }

-                }

-                $autoincrement = false;

-                if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {

-                    $autoincrement = true;

-                }

-                $collate = null;

-                if (!empty($column['collation'])) {

-                    $collate = $column['collation'];

-                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);

-                }

-

-                $definition[0] = array(

-                    'notnull' => $notnull,

-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])

-                );

-                if (!is_null($length)) {

-                    $definition[0]['length'] = $length;

-                }

-                if (!is_null($unsigned)) {

-                    $definition[0]['unsigned'] = $unsigned;

-                }

-                if (!is_null($fixed)) {

-                    $definition[0]['fixed'] = $fixed;

-                }

-                if ($default !== false) {

-                    $definition[0]['default'] = $default;

-                }

-                if ($autoincrement !== false) {

-                    $definition[0]['autoincrement'] = $autoincrement;

-                }

-                if (!is_null($collate)) {

-                    $definition[0]['collate'] = $collate;

-                    $definition[0]['charset'] = $charset;

-                }

-                foreach ($types as $key => $type) {

-                    $definition[$key] = $definition[0];

-                    if ($type == 'clob' || $type == 'blob') {

-                        unset($definition[$key]['default']);

-                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {

-                        $definition[$key]['default'] = '0000-00-00 00:00:00';

-                    }

-                    $definition[$key]['type'] = $type;

-                    $definition[$key]['mdb2type'] = $type;

-                }

-                return $definition;

-            }

-        }

-

-        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-            'it was not specified an existing table column', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $index_name name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableIndexDefinition($table_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));

-        if (!PEAR::isError($result) && !is_null($result)) {

-            // apply 'idxname_format' only if the query succeeded, otherwise

-            // fallback to the given $index_name, without transformation

-            $index_name = $index_name_mdb2;

-        }

-        $result = $db->query(sprintf($query, $db->quote($index_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        $definition = array();

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($row, CASE_LOWER);

-            $key_name = $row['key_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $key_name = strtolower($key_name);

-                } else {

-                    $key_name = strtoupper($key_name);

-                }

-            }

-            if ($index_name == $key_name) {

-                if (!$row['non_unique']) {

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $index_name . ' is not an existing table index', __FUNCTION__);

-                }

-                $column_name = $row['column_name'];

-                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                    if ($db->options['field_case'] == CASE_LOWER) {

-                        $column_name = strtolower($column_name);

-                    } else {

-                        $column_name = strtoupper($column_name);

-                    }

-                }

-                $definition['fields'][$column_name] = array(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $index_name . ' is not an existing table index', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-        $constraint_name_original = $constraint_name;

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        if (strtolower($constraint_name) != 'primary') {

-            $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));

-            if (!PEAR::isError($result) && !is_null($result)) {

-                // apply 'idxname_format' only if the query succeeded, otherwise

-                // fallback to the given $index_name, without transformation

-                $constraint_name = $constraint_name_mdb2;

-            }

-        }

-        $result = $db->query(sprintf($query, $db->quote($constraint_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        //default values, eventually overridden

-        $definition = array(

-            'primary' => false,

-            'unique'  => false,

-            'foreign' => false,

-            'check'   => false,

-            'fields'  => array(),

-            'references' => array(

-                'table'  => '',

-                'fields' => array(),

-            ),

-            'onupdate'  => '',

-            'ondelete'  => '',

-            'match'     => '',

-            'deferrable'        => false,

-            'initiallydeferred' => false,

-        );

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($row, CASE_LOWER);

-            $key_name = $row['key_name'];

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $key_name = strtolower($key_name);

-                } else {

-                    $key_name = strtoupper($key_name);

-                }

-            }

-            if ($constraint_name == $key_name) {

-                if ($row['non_unique']) {

-                    //FOREIGN KEY?

-                    $query = 'SHOW CREATE TABLE '. $db->escape($table);

-                    $constraint = $db->queryOne($query, 'text', 1);

-                    if (!PEAR::isError($constraint) && !empty($constraint)) {

-                        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                            if ($db->options['field_case'] == CASE_LOWER) {

-                                $constraint = strtolower($constraint);

-                            } else {

-                                $constraint = strtoupper($constraint);

-                            }

-                        }

-                        $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            //fallback to original constraint name

-                            $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        }

-                        if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            $definition['foreign'] = true;

-                            $column_names = explode(',', $matches[1]);

-                            $referenced_cols = explode(',', $matches[3]);

-                            $definition['references'] = array(

-                                'table'  => $matches[2],

-                                'fields' => array(),

-                            );

-                            $colpos = 1;

-                            foreach ($column_names as $column_name) {

-                                $definition['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $colpos = 1;

-                            foreach ($referenced_cols as $column_name) {

-                                $definition['references']['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $definition['onupdate'] = 'NO ACTION';

-                            $definition['ondelete'] = 'NO ACTION';

-                            $definition['match']    = 'SIMPLE';

-                            return $definition;

-                        }

-                    }

-

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-                }

-                if ($row['key_name'] == 'PRIMARY') {

-                    $definition['primary'] = true;

-                } elseif (!$row['non_unique']) {

-                    $definition['unique'] = true;

-                }

-                $column_name = $row['column_name'];

-                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                    if ($db->options['field_case'] == CASE_LOWER) {

-                        $column_name = strtolower($column_name);

-                    } else {

-                        $column_name = strtoupper($column_name);

-                    }

-                }

-                $definition['fields'][$column_name] = array(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SELECT trigger_name,

-                         event_object_table AS table_name,

-                         action_statement AS trigger_body,

-                         action_timing AS trigger_type,

-                         event_manipulation AS trigger_event

-                    FROM information_schema.triggers

-                   WHERE trigger_name = '. $db->quote($trigger, 'text');

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-        );

-        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($def)) {

-            return $def;

-        }

-        $def['trigger_comment'] = '';

-        $def['trigger_enabled'] = true;

-        return $def;

-    }

-

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table or a result set

-     *

-     * @param object|string  $result  MDB2_result object from a query or a

-     *                                 string containing the name of a table.

-     *                                 While this also accepts a query result

-     *                                 resource identifier, this behavior is

-     *                                 deprecated.

-     * @param int            $mode    a valid tableInfo mode

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::setOption()

-     */

-    function tableInfo($result, $mode = null)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;

-        if (!is_object($resource)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Could not generate result resource', __FUNCTION__);

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $case_func = 'strtolower';

-            } else {

-                $case_func = 'strtoupper';

-            }

-        } else {

-            $case_func = 'strval';

-        }

-

-        $count = @mysqli_num_fields($resource);

-        $res = array();

-        if ($mode) {

-            $res['num_fields'] = $count;

-        }

-

-        $db->loadModule('Datatype', null, true);

-        for ($i = 0; $i < $count; $i++) {

-            $tmp = @mysqli_fetch_field($resource);

-

-            $flags = '';

-            foreach ($this->flags as $const => $means) {

-                if ($tmp->flags & $const) {

-                    $flags.= $means . ' ';

-                }

-            }

-            if ($tmp->def) {

-                $flags.= 'default_' . rawurlencode($tmp->def);

-            }

-            $flags = trim($flags);

-

-            $res[$i] = array(

-                'table'  => $case_func($tmp->table),

-                'name'   => $case_func($tmp->name),

-                'type'   => isset($this->types[$tmp->type])

-                    ? $this->types[$tmp->type] : 'unknown',

-                // http://bugs.php.net/?id=36579

-                'length' => $tmp->length,

-                'flags'  => $flags,

-            );

-            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);

-            if (PEAR::isError($mdb2type_info)) {

-               return $mdb2type_info;

-            }

-            $res[$i]['mdb2type'] = $mdb2type_info[0][0];

-            if ($mode & MDB2_TABLEINFO_ORDER) {

-                $res['order'][$res[$i]['name']] = $i;

-            }

-            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {

-                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;

-            }

-        }

-

-        return $res;

-    }

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
+{
+    /**
+     * Array for converting MYSQLI_*_FLAG constants to text values
+     * @var    array
+     * @access public
+     */
+    var $flags = array(
+        MYSQLI_NOT_NULL_FLAG        => 'not_null',
+        MYSQLI_PRI_KEY_FLAG         => 'primary_key',
+        MYSQLI_UNIQUE_KEY_FLAG      => 'unique_key',
+        MYSQLI_MULTIPLE_KEY_FLAG    => 'multiple_key',
+        MYSQLI_BLOB_FLAG            => 'blob',
+        MYSQLI_UNSIGNED_FLAG        => 'unsigned',
+        MYSQLI_ZEROFILL_FLAG        => 'zerofill',
+        MYSQLI_AUTO_INCREMENT_FLAG  => 'auto_increment',
+        MYSQLI_TIMESTAMP_FLAG       => 'timestamp',
+        MYSQLI_SET_FLAG             => 'set',
+        // MYSQLI_NUM_FLAG             => 'numeric',  // unnecessary
+        // MYSQLI_PART_KEY_FLAG        => 'multiple_key',  // duplicatvie
+        MYSQLI_GROUP_FLAG           => 'group_by'
+    );
+
+    /**
+     * Array for converting MYSQLI_TYPE_* constants to text values
+     * @var    array
+     * @access public
+     */
+    var $types = array(
+        MYSQLI_TYPE_DECIMAL     => 'decimal',
+        246                     => 'decimal',
+        MYSQLI_TYPE_TINY        => 'tinyint',
+        MYSQLI_TYPE_SHORT       => 'int',
+        MYSQLI_TYPE_LONG        => 'int',
+        MYSQLI_TYPE_FLOAT       => 'float',
+        MYSQLI_TYPE_DOUBLE      => 'double',
+        // MYSQLI_TYPE_NULL        => 'DEFAULT NULL',  // let flags handle it
+        MYSQLI_TYPE_TIMESTAMP   => 'timestamp',
+        MYSQLI_TYPE_LONGLONG    => 'bigint',
+        MYSQLI_TYPE_INT24       => 'mediumint',
+        MYSQLI_TYPE_DATE        => 'date',
+        MYSQLI_TYPE_TIME        => 'time',
+        MYSQLI_TYPE_DATETIME    => 'datetime',
+        MYSQLI_TYPE_YEAR        => 'year',
+        MYSQLI_TYPE_NEWDATE     => 'date',
+        MYSQLI_TYPE_ENUM        => 'enum',
+        MYSQLI_TYPE_SET         => 'set',
+        MYSQLI_TYPE_TINY_BLOB   => 'tinyblob',
+        MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
+        MYSQLI_TYPE_LONG_BLOB   => 'longblob',
+        MYSQLI_TYPE_BLOB        => 'blob',
+        MYSQLI_TYPE_VAR_STRING  => 'varchar',
+        MYSQLI_TYPE_STRING      => 'char',
+        MYSQLI_TYPE_GEOMETRY    => 'geometry',
+    );
+
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            $column = array_change_key_case($column, CASE_LOWER);
+            $column['name'] = $column['field'];
+            unset($column['field']);
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column['name'] = strtolower($column['name']);
+                } else {
+                    $column['name'] = strtoupper($column['name']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            if ($field_name == $column['name']) {
+                $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+                if (PEAR::isError($mapped_datatype)) {
+                    return $mapped_datatype;
+                }
+                list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+                $notnull = false;
+                if (empty($column['null']) || $column['null'] !== 'YES') {
+                    $notnull = true;
+                }
+                $default = false;
+                if (array_key_exists('default', $column)) {
+                    $default = $column['default'];
+                    if ((null === $default) && $notnull) {
+                        $default = '';
+                    }
+                }
+                $autoincrement = false;
+                if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
+                    $autoincrement = true;
+                }
+                $collate = null;
+                if (!empty($column['collation'])) {
+                    $collate = $column['collation'];
+                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+                }
+
+                $definition[0] = array(
+                    'notnull' => $notnull,
+                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+                );
+                if (null !== $length) {
+                    $definition[0]['length'] = $length;
+                }
+                if (null !== $unsigned) {
+                    $definition[0]['unsigned'] = $unsigned;
+                }
+                if (null !== $fixed) {
+                    $definition[0]['fixed'] = $fixed;
+                }
+                if ($default !== false) {
+                    $definition[0]['default'] = $default;
+                }
+                if ($autoincrement !== false) {
+                    $definition[0]['autoincrement'] = $autoincrement;
+                }
+                if (null !== $collate) {
+                    $definition[0]['collate'] = $collate;
+                    $definition[0]['charset'] = $charset;
+                }
+                foreach ($types as $key => $type) {
+                    $definition[$key] = $definition[0];
+                    if ($type == 'clob' || $type == 'blob') {
+                        unset($definition[$key]['default']);
+                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+                        $definition[$key]['default'] = '0000-00-00 00:00:00';
+                    }
+                    $definition[$key]['type'] = $type;
+                    $definition[$key]['mdb2type'] = $type;
+                }
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+            'it was not specified an existing table column', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $index_name = $index_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $db->quote($index_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $key_name = $row['key_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $key_name = strtolower($key_name);
+                } else {
+                    $key_name = strtoupper($key_name);
+                }
+            }
+            if ($index_name == $key_name) {
+                if (!$row['non_unique']) {
+                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        $index_name . ' is not an existing table index', __FUNCTION__);
+                }
+                $column_name = $row['column_name'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $column_name = strtolower($column_name);
+                    } else {
+                        $column_name = strtoupper($column_name);
+                    }
+                }
+                $definition['fields'][$column_name] = array(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $index_name . ' is not an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+        $constraint_name_original = $constraint_name;
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        if (strtolower($constraint_name) != 'primary') {
+            $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+            if (!PEAR::isError($result) && (null !== $result)) {
+                // apply 'idxname_format' only if the query succeeded, otherwise
+                // fallback to the given $index_name, without transformation
+                $constraint_name = $constraint_name_mdb2;
+            }
+        }
+        $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        //default values, eventually overridden
+        $definition = array(
+            'primary' => false,
+            'unique'  => false,
+            'foreign' => false,
+            'check'   => false,
+            'fields'  => array(),
+            'references' => array(
+                'table'  => '',
+                'fields' => array(),
+            ),
+            'onupdate'  => '',
+            'ondelete'  => '',
+            'match'     => '',
+            'deferrable'        => false,
+            'initiallydeferred' => false,
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $key_name = $row['key_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $key_name = strtolower($key_name);
+                } else {
+                    $key_name = strtoupper($key_name);
+                }
+            }
+            if ($constraint_name == $key_name) {
+                if ($row['non_unique']) {
+                    //FOREIGN KEY?
+                    return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+                }
+                if ($row['key_name'] == 'PRIMARY') {
+                    $definition['primary'] = true;
+                } elseif (!$row['non_unique']) {
+                    $definition['unique'] = true;
+                }
+                $column_name = $row['column_name'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $column_name = strtolower($column_name);
+                    } else {
+                        $column_name = strtoupper($column_name);
+                    }
+                }
+                $definition['fields'][$column_name] = array(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ _getTableFKConstraintDefinition()
+
+    /**
+     * Get the FK definition from the CREATE TABLE statement
+     *
+     * @param string $table           table name
+     * @param string $constraint_name constraint name
+     * @param array  $definition      default values for constraint definition
+     *
+     * @return array|PEAR_Error
+     * @access private
+     */
+    function _getTableFKConstraintDefinition($table, $constraint_name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query = 'SHOW CREATE TABLE '. $db->escape($table);
+        $constraint = $db->queryOne($query, 'text', 1);
+        if (!PEAR::isError($constraint) && !empty($constraint)) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $constraint = strtolower($constraint);
+                } else {
+                    $constraint = strtoupper($constraint);
+                }
+            }
+            $constraint_name_original = $constraint_name;
+            $constraint_name = $db->getIndexName($constraint_name);
+            $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                //fallback to original constraint name
+                $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            }
+            if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                $definition['foreign'] = true;
+                $column_names = explode(',', $matches[1]);
+                $referenced_cols = explode(',', $matches[3]);
+                $definition['references'] = array(
+                    'table'  => $matches[2],
+                    'fields' => array(),
+                );
+                $colpos = 1;
+                foreach ($column_names as $column_name) {
+                    $definition['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $colpos = 1;
+                foreach ($referenced_cols as $column_name) {
+                    $definition['references']['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $definition['onupdate'] = 'NO ACTION';
+                $definition['ondelete'] = 'NO ACTION';
+                $definition['match']    = 'SIMPLE';
+                return $definition;
+            }
+        }
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT trigger_name,
+                         event_object_table AS table_name,
+                         action_statement AS trigger_body,
+                         action_timing AS trigger_type,
+                         event_manipulation AS trigger_event
+                    FROM information_schema.triggers
+                   WHERE trigger_name = '. $db->quote($trigger, 'text');
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+        );
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $def['trigger_comment'] = '';
+        $def['trigger_enabled'] = true;
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                 string containing the name of a table.
+     *                                 While this also accepts a query result
+     *                                 resource identifier, this behavior is
+     *                                 deprecated.
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::setOption()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_object($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $case_func = 'strtolower';
+            } else {
+                $case_func = 'strtoupper';
+            }
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = @mysqli_num_fields($resource);
+        $res = array();
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $tmp = @mysqli_fetch_field($resource);
+
+            $flags = '';
+            foreach ($this->flags as $const => $means) {
+                if ($tmp->flags & $const) {
+                    $flags.= $means . ' ';
+                }
+            }
+            if ($tmp->def) {
+                $flags.= 'default_' . rawurlencode($tmp->def);
+            }
+            $flags = trim($flags);
+
+            $res[$i] = array(
+                'table'  => $case_func($tmp->table),
+                'name'   => $case_func($tmp->name),
+                'type'   => isset($this->types[$tmp->type])
+                    ? $this->types[$tmp->type] : 'unknown',
+                // http://bugs.php.net/?id=36579
+                'length' => $tmp->length,
+                'flags'  => $flags,
+            );
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php
index 7d5c9f134..47ae38ec1 100644
--- a/program/lib/MDB2/Driver/Reverse/pgsql.php
+++ b/program/lib/MDB2/Driver/Reverse/pgsql.php
@@ -1,530 +1,574 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Authors: Paul Cooper <pgc@ucecom.com>                                |

-// |          Lorenzo Alberton <l.alberton@quipo.it>                      |

-// +----------------------------------------------------------------------+

-//

-// $Id: pgsql.php,v 1.70 2008/03/13 20:38:09 quipo Exp $

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 PostGreSQL driver for the schema reverse engineering module

- *

- * @package  MDB2

- * @category Database

- * @author   Paul Cooper <pgc@ucecom.com>

- * @author   Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common

-{

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $field_name name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableFieldDefinition($table_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $query = "SELECT a.attname AS name,

-                         t.typname AS type,

-                         CASE a.attlen

-                           WHEN -1 THEN

-	                         CASE t.typname

-	                           WHEN 'numeric' THEN (a.atttypmod / 65536)

-	                           WHEN 'decimal' THEN (a.atttypmod / 65536)

-	                           WHEN 'money'   THEN (a.atttypmod / 65536)

-	                           ELSE CASE a.atttypmod

-                                 WHEN -1 THEN NULL

-	                             ELSE a.atttypmod - 4

-	                           END

-                             END

-	                       ELSE a.attlen

-                         END AS length,

-	                     CASE t.typname

-	                       WHEN 'numeric' THEN (a.atttypmod % 65536) - 4

-	                       WHEN 'decimal' THEN (a.atttypmod % 65536) - 4

-	                       WHEN 'money'   THEN (a.atttypmod % 65536) - 4

-	                       ELSE 0

-                         END AS scale,

-                         a.attnotnull,

-                         a.atttypmod,

-                         a.atthasdef,

-                         (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)

-                            FROM pg_attrdef d

-                           WHERE d.adrelid = a.attrelid

-                             AND d.adnum = a.attnum

-                             AND a.atthasdef

-                         ) as default

-                    FROM pg_attribute a,

-                         pg_class c,

-                         pg_type t

-                   WHERE c.relname = ".$db->quote($table, 'text')."

-                     AND a.atttypid = t.oid

-                     AND c.oid = a.attrelid

-                     AND NOT a.attisdropped

-                     AND a.attnum > 0

-                     AND a.attname = ".$db->quote($field_name, 'text')."

-                ORDER BY a.attnum";

-        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($column)) {

-            return $column;

-        }

-

-        if (empty($column)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table column', __FUNCTION__);

-        }

-

-        $column = array_change_key_case($column, CASE_LOWER);

-        $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-        if (PEAR::isError($mapped_datatype)) {

-            return $mapped_datatype;

-        }

-        list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-        $notnull = false;

-        if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {

-            $notnull = true;

-        }

-        $default = null;

-        if ($column['atthasdef'] === 't'

-            && !preg_match("/nextval\('([^']+)'/", $column['default'])

-        ) {

-            $pattern = '/(\'.*\')::[\w ]+$/i';

-            $default = $column['default'];#substr($column['adsrc'], 1, -1);

-            if (is_null($default) && $notnull) {

-                $default = '';

-            } elseif (!empty($default) && preg_match($pattern, $default)) {

-                //remove data type cast

-                $default = preg_replace ($pattern, '\\1', $default);

-            }

-        }

-        $autoincrement = false;

-        if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {

-            $autoincrement = true;

-        }

-        $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);

-        if (!is_null($length)) {

-            $definition[0]['length'] = $length;

-        }

-        if (!is_null($unsigned)) {

-            $definition[0]['unsigned'] = $unsigned;

-        }

-        if (!is_null($fixed)) {

-            $definition[0]['fixed'] = $fixed;

-        }

-        if ($default !== false) {

-            $definition[0]['default'] = $default;

-        }

-        if ($autoincrement !== false) {

-            $definition[0]['autoincrement'] = $autoincrement;

-        }

-        foreach ($types as $key => $type) {

-            $definition[$key] = $definition[0];

-            if ($type == 'clob' || $type == 'blob') {

-                unset($definition[$key]['default']);

-            }

-            $definition[$key]['type'] = $type;

-            $definition[$key]['mdb2type'] = $type;

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $index_name name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableIndexDefinition($table_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $query = 'SELECT relname, indkey FROM pg_index, pg_class';

-        $query.= ' WHERE pg_class.oid = pg_index.indexrelid';

-        $query.= " AND indisunique != 't' AND indisprimary != 't'";

-        $query.= ' AND pg_class.relname = %s';

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($row) || empty($row)) {

-            // fallback to the given $index_name, without transformation

-            $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);

-        }

-        if (PEAR::isError($row)) {

-            return $row;

-        }

-

-        if (empty($row)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table index', __FUNCTION__);

-        }

-

-        $row = array_change_key_case($row, CASE_LOWER);

-

-        $db->loadModule('Manager', null, true);

-        $columns = $db->manager->listTableFields($table_name);

-

-        $definition = array();

-

-        $index_column_numbers = explode(' ', $row['indkey']);

-

-        $colpos = 1;

-        foreach ($index_column_numbers as $number) {

-            $definition['fields'][$columns[($number - 1)]] = array(

-                'position' => $colpos++,

-                'sorting' => 'ascending',

-            );

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $query = "SELECT c.oid,

-                         c.conname AS constraint_name,

-                         CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",

-                         CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",

-                         CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",

-                         CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",

-                         CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,

-                         CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,

-                         --array_to_string(c.conkey, ' ') AS constraint_key,

-                         t.relname AS table_name,

-                         t2.relname AS references_table,

-                         CASE confupdtype

-                           WHEN 'a' THEN 'NO ACTION'

-                           WHEN 'r' THEN 'RESTRICT'

-                           WHEN 'c' THEN 'CASCADE'

-                           WHEN 'n' THEN 'SET NULL'

-                           WHEN 'd' THEN 'SET DEFAULT'

-                         END AS onupdate,

-                         CASE confdeltype

-                           WHEN 'a' THEN 'NO ACTION'

-                           WHEN 'r' THEN 'RESTRICT'

-                           WHEN 'c' THEN 'CASCADE'

-                           WHEN 'n' THEN 'SET NULL'

-                           WHEN 'd' THEN 'SET DEFAULT'

-                         END AS ondelete,

-                         CASE confmatchtype

-                           WHEN 'u' THEN 'UNSPECIFIED'

-                           WHEN 'f' THEN 'FULL'

-                           WHEN 'p' THEN 'PARTIAL'

-                         END AS match,

-                         --array_to_string(c.confkey, ' ') AS fk_constraint_key,

-                         consrc

-                    FROM pg_constraint c

-               LEFT JOIN pg_class t  ON c.conrelid  = t.oid

-               LEFT JOIN pg_class t2 ON c.confrelid = t2.oid

-                   WHERE c.conname = %s

-                    AND t.relname = " . $db->quote($table, 'text');

-        $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-        $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($row) || empty($row)) {

-            // fallback to the given $index_name, without transformation

-            $constraint_name_mdb2 = $constraint_name;

-            $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);

-        }

-        if (PEAR::isError($row)) {

-            return $row;

-        }

-

-        if (empty($row)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-

-        $row = array_change_key_case($row, CASE_LOWER);

-

-        $definition = array(

-            'primary' => (boolean)$row['primary'],

-            'unique'  => (boolean)$row['unique'],

-            'foreign' => (boolean)$row['foreign'],

-            'check'   => (boolean)$row['check'],

-            'fields'  => array(),

-            'references' => array(

-                'table'  => $row['references_table'],

-                'fields' => array(),

-            ),

-            'deferrable' => (boolean)$row['deferrable'],

-            'initiallydeferred' => (boolean)$row['initiallydeferred'],

-            'onupdate' => $row['onupdate'],

-            'ondelete' => $row['ondelete'],

-            'match'    => $row['match'],

-        );

-

-        $query = 'SELECT a.attname

-                    FROM pg_constraint c

-               LEFT JOIN pg_class t  ON c.conrelid  = t.oid

-               LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)

-                   WHERE c.conname = %s

-                     AND t.relname = ' . $db->quote($table, 'text');

-        $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-        $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);

-        if (PEAR::isError($fields)) {

-            return $fields;

-        }

-        $colpos = 1;

-        foreach ($fields as $field) {

-            $definition['fields'][$field] = array(

-                'position' => $colpos++,

-                'sorting' => 'ascending',

-            );

-        }

-        

-        if ($definition['foreign']) {

-            $query = 'SELECT a.attname

-                        FROM pg_constraint c

-                   LEFT JOIN pg_class t  ON c.confrelid  = t.oid

-                   LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)

-                       WHERE c.conname = %s

-                         AND t.relname = ' . $db->quote($definition['references']['table'], 'text');

-            $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-            $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);

-            if (PEAR::isError($foreign_fields)) {

-                return $foreign_fields;

-            }

-            $colpos = 1;

-            foreach ($foreign_fields as $foreign_field) {

-                $definition['references']['fields'][$foreign_field] = array(

-                    'position' => $colpos++,

-                );

-            }

-        }

-        

-        if ($definition['check']) {

-            $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");

-            // ...

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string $trigger name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     *

-     * @TODO: add support for plsql functions and functions with args

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT trg.tgname AS trigger_name,

-                         tbl.relname AS table_name,

-                         CASE

-                            WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'

-                            ELSE ''

-                         END AS trigger_body,

-                         CASE trg.tgtype & cast(2 as int2)

-                            WHEN 0 THEN 'AFTER'

-                            ELSE 'BEFORE'

-                         END AS trigger_type,

-                         CASE trg.tgtype & cast(28 as int2)

-                            WHEN 16 THEN 'UPDATE'

-                            WHEN 8 THEN 'DELETE'

-                            WHEN 4 THEN 'INSERT'

-                            WHEN 20 THEN 'INSERT, UPDATE'

-                            WHEN 28 THEN 'INSERT, UPDATE, DELETE'

-                            WHEN 24 THEN 'UPDATE, DELETE'

-                            WHEN 12 THEN 'INSERT, DELETE'

-                         END AS trigger_event,

-                         CASE trg.tgenabled

-                            WHEN 'O' THEN 't'

-                            ELSE trg.tgenabled

-                         END AS trigger_enabled,

-                         obj_description(trg.oid, 'pg_trigger') AS trigger_comment

-                    FROM pg_trigger trg,

-                         pg_class tbl,

-                         pg_proc p

-                   WHERE trg.tgrelid = tbl.oid

-                     AND trg.tgfoid = p.oid

-                     AND trg.tgname = ". $db->quote($trigger, 'text');

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-            'trigger_comment' => 'text',

-            'trigger_enabled' => 'boolean',

-        );

-        return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-    }

-    

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table or a result set

-     *

-     * NOTE: only supports 'table' and 'flags' if <var>$result</var>

-     * is a table name.

-     *

-     * @param object|string  $result  MDB2_result object from a query or a

-     *                                 string containing the name of a table.

-     *                                 While this also accepts a query result

-     *                                 resource identifier, this behavior is

-     *                                 deprecated.

-     * @param int            $mode    a valid tableInfo mode

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::tableInfo()

-     */

-    function tableInfo($result, $mode = null)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;

-        if (!is_resource($resource)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Could not generate result resource', __FUNCTION__);

-        }

-

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            if ($db->options['field_case'] == CASE_LOWER) {

-                $case_func = 'strtolower';

-            } else {

-                $case_func = 'strtoupper';

-            }

-        } else {

-            $case_func = 'strval';

-        }

-

-        $count = @pg_num_fields($resource);

-        $res   = array();

-

-        if ($mode) {

-            $res['num_fields'] = $count;

-        }

-

-        $db->loadModule('Datatype', null, true);

-        for ($i = 0; $i < $count; $i++) {

-            $res[$i] = array(

-                'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',

-                'name'  => $case_func(@pg_field_name($resource, $i)),

-                'type'  => @pg_field_type($resource, $i),

-                'length' => @pg_field_size($resource, $i),

-                'flags' => '',

-            );

-            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);

-            if (PEAR::isError($mdb2type_info)) {

-               return $mdb2type_info;

-            }

-            $res[$i]['mdb2type'] = $mdb2type_info[0][0];

-            if ($mode & MDB2_TABLEINFO_ORDER) {

-                $res['order'][$res[$i]['name']] = $i;

-            }

-            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {

-                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;

-            }

-        }

-

-        return $res;

-    }

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Paul Cooper <pgc@ucecom.com>                                |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver for the schema reverse engineering module
+ *
+ * @package  MDB2
+ * @category Database
+ * @author   Paul Cooper <pgc@ucecom.com>
+ * @author   Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
+{
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $query = "SELECT a.attname AS name,
+                         t.typname AS type,
+                         CASE a.attlen
+                           WHEN -1 THEN
+	                         CASE t.typname
+	                           WHEN 'numeric' THEN (a.atttypmod / 65536)
+	                           WHEN 'decimal' THEN (a.atttypmod / 65536)
+	                           WHEN 'money'   THEN (a.atttypmod / 65536)
+	                           ELSE CASE a.atttypmod
+                                 WHEN -1 THEN NULL
+	                             ELSE a.atttypmod - 4
+	                           END
+                             END
+	                       ELSE a.attlen
+                         END AS length,
+	                     CASE t.typname
+	                       WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
+	                       WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
+	                       WHEN 'money'   THEN (a.atttypmod % 65536) - 4
+	                       ELSE 0
+                         END AS scale,
+                         a.attnotnull,
+                         a.atttypmod,
+                         a.atthasdef,
+                         (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+                            FROM pg_attrdef d
+                           WHERE d.adrelid = a.attrelid
+                             AND d.adnum = a.attnum
+                             AND a.atthasdef
+                         ) as default
+                    FROM pg_attribute a,
+                         pg_class c,
+                         pg_type t
+                   WHERE c.relname = ".$db->quote($table, 'text')."
+                     AND a.atttypid = t.oid
+                     AND c.oid = a.attrelid
+                     AND NOT a.attisdropped
+                     AND a.attnum > 0
+                     AND a.attname = ".$db->quote($field_name, 'text')."
+                ORDER BY a.attnum";
+        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($column)) {
+            return $column;
+        }
+
+        if (empty($column)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table column', __FUNCTION__);
+        }
+
+        $column = array_change_key_case($column, CASE_LOWER);
+        $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+        if (PEAR::isError($mapped_datatype)) {
+            return $mapped_datatype;
+        }
+        list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+        $notnull = false;
+        if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
+            $notnull = true;
+        }
+        $default = null;
+        if ($column['atthasdef'] === 't'
+            && strpos($column['default'], 'NULL') !== 0
+            && !preg_match("/nextval\('([^']+)'/", $column['default'])
+        ) {
+            $pattern = '/^\'(.*)\'::[\w ]+$/i';
+            $default = $column['default'];#substr($column['adsrc'], 1, -1);
+            if ((null === $default) && $notnull) {
+                $default = '';
+            } elseif (!empty($default) && preg_match($pattern, $default)) {
+                //remove data type cast
+                $default = preg_replace ($pattern, '\\1', $default);
+            }
+        }
+        $autoincrement = false;
+        if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
+            $autoincrement = true;
+        }
+        $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
+        if (null !== $length) {
+            $definition[0]['length'] = $length;
+        }
+        if (null !== $unsigned) {
+            $definition[0]['unsigned'] = $unsigned;
+        }
+        if (null !== $fixed) {
+            $definition[0]['fixed'] = $fixed;
+        }
+        if ($default !== false) {
+            $definition[0]['default'] = $default;
+        }
+        if ($autoincrement !== false) {
+            $definition[0]['autoincrement'] = $autoincrement;
+        }
+        foreach ($types as $key => $type) {
+            $definition[$key] = $definition[0];
+            if ($type == 'clob' || $type == 'blob') {
+                unset($definition[$key]['default']);
+            }
+            $definition[$key]['type'] = $type;
+            $definition[$key]['mdb2type'] = $type;
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $query = 'SELECT relname, indkey FROM pg_index, pg_class';
+        $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
+        $query.= " AND indisunique != 't' AND indisprimary != 't'";
+        $query.= ' AND pg_class.relname = %s';
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($row) || empty($row)) {
+            // fallback to the given $index_name, without transformation
+            $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
+        }
+        if (PEAR::isError($row)) {
+            return $row;
+        }
+
+        if (empty($row)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+
+        $row = array_change_key_case($row, CASE_LOWER);
+
+        $db->loadModule('Manager', null, true);
+        $columns = $db->manager->listTableFields($table_name);
+
+        $definition = array();
+
+        $index_column_numbers = explode(' ', $row['indkey']);
+
+        $colpos = 1;
+        foreach ($index_column_numbers as $number) {
+            $definition['fields'][$columns[($number - 1)]] = array(
+                'position' => $colpos++,
+                'sorting' => 'ascending',
+            );
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $query = "SELECT c.oid,
+                         c.conname AS constraint_name,
+                         CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
+                         CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
+                         CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
+                         CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
+                         CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
+                         CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
+                         --array_to_string(c.conkey, ' ') AS constraint_key,
+                         t.relname AS table_name,
+                         t2.relname AS references_table,
+                         CASE confupdtype
+                           WHEN 'a' THEN 'NO ACTION'
+                           WHEN 'r' THEN 'RESTRICT'
+                           WHEN 'c' THEN 'CASCADE'
+                           WHEN 'n' THEN 'SET NULL'
+                           WHEN 'd' THEN 'SET DEFAULT'
+                         END AS onupdate,
+                         CASE confdeltype
+                           WHEN 'a' THEN 'NO ACTION'
+                           WHEN 'r' THEN 'RESTRICT'
+                           WHEN 'c' THEN 'CASCADE'
+                           WHEN 'n' THEN 'SET NULL'
+                           WHEN 'd' THEN 'SET DEFAULT'
+                         END AS ondelete,
+                         CASE confmatchtype
+                           WHEN 'u' THEN 'UNSPECIFIED'
+                           WHEN 'f' THEN 'FULL'
+                           WHEN 'p' THEN 'PARTIAL'
+                         END AS match,
+                         --array_to_string(c.confkey, ' ') AS fk_constraint_key,
+                         consrc
+                    FROM pg_constraint c
+               LEFT JOIN pg_class t  ON c.conrelid  = t.oid
+               LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
+                   WHERE c.conname = %s
+                     AND t.relname = " . $db->quote($table, 'text');
+        $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+        $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($row) || empty($row)) {
+            // fallback to the given $index_name, without transformation
+            $constraint_name_mdb2 = $constraint_name;
+            $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+        }
+        if (PEAR::isError($row)) {
+            return $row;
+        }
+        $uniqueIndex = false;
+        if (empty($row)) {
+            // We might be looking for a UNIQUE index that was not created
+            // as a constraint but should be treated as such.
+            $query = 'SELECT relname AS constraint_name,
+                             indkey,
+                             0 AS "check",
+                             0 AS "foreign",
+                             0 AS "primary",
+                             1 AS "unique",
+                             0 AS deferrable,
+                             0 AS initiallydeferred,
+                             NULL AS references_table,
+                             NULL AS onupdate,
+                             NULL AS ondelete,
+                             NULL AS match
+                        FROM pg_index, pg_class
+                       WHERE pg_class.oid = pg_index.indexrelid
+                         AND indisunique = \'t\'
+                         AND pg_class.relname = %s';
+            $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+            $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+            if (PEAR::isError($row) || empty($row)) {
+                // fallback to the given $index_name, without transformation
+                $constraint_name_mdb2 = $constraint_name;
+                $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+            }
+            if (PEAR::isError($row)) {
+                return $row;
+            }
+            if (empty($row)) {
+                return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                    $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+            }
+            $uniqueIndex = true;
+        }
+
+        $row = array_change_key_case($row, CASE_LOWER);
+
+        $definition = array(
+            'primary' => (boolean)$row['primary'],
+            'unique'  => (boolean)$row['unique'],
+            'foreign' => (boolean)$row['foreign'],
+            'check'   => (boolean)$row['check'],
+            'fields'  => array(),
+            'references' => array(
+                'table'  => $row['references_table'],
+                'fields' => array(),
+            ),
+            'deferrable' => (boolean)$row['deferrable'],
+            'initiallydeferred' => (boolean)$row['initiallydeferred'],
+            'onupdate' => $row['onupdate'],
+            'ondelete' => $row['ondelete'],
+            'match'    => $row['match'],
+        );
+
+        if ($uniqueIndex) {
+            $db->loadModule('Manager', null, true);
+            $columns = $db->manager->listTableFields($table_name);
+            $index_column_numbers = explode(' ', $row['indkey']);
+            $colpos = 1;
+            foreach ($index_column_numbers as $number) {
+                $definition['fields'][$columns[($number - 1)]] = array(
+                    'position' => $colpos++,
+                    'sorting'  => 'ascending',
+                );
+            }
+            return $definition;
+        }
+
+        $query = 'SELECT a.attname
+                    FROM pg_constraint c
+               LEFT JOIN pg_class t  ON c.conrelid  = t.oid
+               LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
+                   WHERE c.conname = %s
+                     AND t.relname = ' . $db->quote($table, 'text');
+        $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+        if (PEAR::isError($fields)) {
+            return $fields;
+        }
+        $colpos = 1;
+        foreach ($fields as $field) {
+            $definition['fields'][$field] = array(
+                'position' => $colpos++,
+                'sorting' => 'ascending',
+            );
+        }
+        
+        if ($definition['foreign']) {
+            $query = 'SELECT a.attname
+                        FROM pg_constraint c
+                   LEFT JOIN pg_class t  ON c.confrelid  = t.oid
+                   LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
+                       WHERE c.conname = %s
+                         AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
+            $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+            if (PEAR::isError($foreign_fields)) {
+                return $foreign_fields;
+            }
+            $colpos = 1;
+            foreach ($foreign_fields as $foreign_field) {
+                $definition['references']['fields'][$foreign_field] = array(
+                    'position' => $colpos++,
+                );
+            }
+        }
+        
+        if ($definition['check']) {
+            $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
+            // ...
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string $trigger name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     *
+     * @TODO: add support for plsql functions and functions with args
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT trg.tgname AS trigger_name,
+                         tbl.relname AS table_name,
+                         CASE
+                            WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
+                            ELSE ''
+                         END AS trigger_body,
+                         CASE trg.tgtype & cast(2 as int2)
+                            WHEN 0 THEN 'AFTER'
+                            ELSE 'BEFORE'
+                         END AS trigger_type,
+                         CASE trg.tgtype & cast(28 as int2)
+                            WHEN 16 THEN 'UPDATE'
+                            WHEN 8 THEN 'DELETE'
+                            WHEN 4 THEN 'INSERT'
+                            WHEN 20 THEN 'INSERT, UPDATE'
+                            WHEN 28 THEN 'INSERT, UPDATE, DELETE'
+                            WHEN 24 THEN 'UPDATE, DELETE'
+                            WHEN 12 THEN 'INSERT, DELETE'
+                         END AS trigger_event,
+                         CASE trg.tgenabled
+                            WHEN 'O' THEN 't'
+                            ELSE trg.tgenabled
+                         END AS trigger_enabled,
+                         obj_description(trg.oid, 'pg_trigger') AS trigger_comment
+                    FROM pg_trigger trg,
+                         pg_class tbl,
+                         pg_proc p
+                   WHERE trg.tgrelid = tbl.oid
+                     AND trg.tgfoid = p.oid
+                     AND trg.tgname = ". $db->quote($trigger, 'text');
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+            'trigger_comment' => 'text',
+            'trigger_enabled' => 'boolean',
+        );
+        return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+    }
+    
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+     * is a table name.
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                 string containing the name of a table.
+     *                                 While this also accepts a query result
+     *                                 resource identifier, this behavior is
+     *                                 deprecated.
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_resource($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $case_func = 'strtolower';
+            } else {
+                $case_func = 'strtoupper';
+            }
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = @pg_num_fields($resource);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
+                'name'  => $case_func(@pg_field_name($resource, $i)),
+                'type'  => @pg_field_type($resource, $i),
+                'length' => @pg_field_size($resource, $i),
+                'flags' => '',
+            );
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php
index abd9cbcfb..6fb638298 100644
--- a/program/lib/MDB2/Driver/Reverse/sqlite.php
+++ b/program/lib/MDB2/Driver/Reverse/sqlite.php
@@ -1,585 +1,609 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton                       |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Authors: Lukas Smith <smith@pooteeweet.org>                          |

-// |          Lorenzo Alberton <l.alberton@quipo.it>                      |

-// +----------------------------------------------------------------------+

-//

-// $Id: sqlite.php,v 1.79 2008/03/05 11:08:53 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 SQlite driver for the schema reverse engineering module

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common

-{

-    function _getTableColumns($sql)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        $start_pos  = strpos($sql, '(');

-        $end_pos    = strrpos($sql, ')');

-        $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1);

-        // replace the decimal length-places-separator with a colon

-        $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def);

-        $column_sql = split(',', $column_def);

-        $columns    = array();

-        $count      = count($column_sql);

-        if ($count == 0) {

-            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'unexpected empty table column definition list', __FUNCTION__);

-        }

-        $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( UNSIGNED)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?$/i';

-        $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i';

-        for ($i=0, $j=0; $i<$count; ++$i) {

-            if (!preg_match($regexp, trim($column_sql[$i]), $matches)) {

-                if (!preg_match($regexp2, trim($column_sql[$i]))) {

-                    continue;

-                }

-                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                    'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__);

-            }

-            $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting));

-            $columns[$j]['type'] = strtolower($matches[2]);

-            if (isset($matches[4]) && strlen($matches[4])) {

-                $columns[$j]['length'] = $matches[4];

-            }

-            if (isset($matches[6]) && strlen($matches[6])) {

-                $columns[$j]['decimal'] = $matches[6];

-            }

-            if (isset($matches[7]) && strlen($matches[7])) {

-                $columns[$j]['unsigned'] = true;

-            }

-            if (isset($matches[8]) && strlen($matches[8])) {

-                $columns[$j]['autoincrement'] = true;

-            }

-            if (isset($matches[10]) && strlen($matches[10])) {

-                $default = $matches[10];

-                if (strlen($default) && $default[0]=="'") {

-                    $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));

-                }

-                if ($default === 'NULL') {

-                    $default = null;

-                }

-                $columns[$j]['default'] = $default;

-            }

-            if (isset($matches[11]) && strlen($matches[11])) {

-                $columns[$j]['notnull'] = ($matches[11] === ' NOT NULL');

-            }

-            ++$j;

-        }

-        return $columns;

-    }

-

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the stucture of a field into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $field_name name of field that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure.

-     *          The returned array contains an array for each field definition,

-     *          with (some of) these indices:

-     *          [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]

-     * @access public

-     */

-    function getTableFieldDefinition($table_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');

-        } else {

-            $query.= 'name='.$db->quote($table, 'text');

-        }

-        $sql = $db->queryOne($query);

-        if (PEAR::isError($sql)) {

-            return $sql;

-        }

-        $columns = $this->_getTableColumns($sql);

-        foreach ($columns as $column) {

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                if ($db->options['field_case'] == CASE_LOWER) {

-                    $column['name'] = strtolower($column['name']);

-                } else {

-                    $column['name'] = strtoupper($column['name']);

-                }

-            } else {

-                $column = array_change_key_case($column, $db->options['field_case']);

-            }

-            if ($field_name == $column['name']) {

-                $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-                if (PEAR::isError($mapped_datatype)) {

-                    return $mapped_datatype;

-                }

-                list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-                $notnull = false;

-                if (!empty($column['notnull'])) {

-                    $notnull = $column['notnull'];

-                }

-                $default = false;

-                if (array_key_exists('default', $column)) {

-                    $default = $column['default'];

-                    if (is_null($default) && $notnull) {

-                        $default = '';

-                    }

-                }

-                $autoincrement = false;

-                if (!empty($column['autoincrement'])) {

-                    $autoincrement = true;

-                }

-

-                $definition[0] = array(

-                    'notnull' => $notnull,

-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])

-                );

-                if (!is_null($length)) {

-                    $definition[0]['length'] = $length;

-                }

-                if (!is_null($unsigned)) {

-                    $definition[0]['unsigned'] = $unsigned;

-                }

-                if (!is_null($fixed)) {

-                    $definition[0]['fixed'] = $fixed;

-                }

-                if ($default !== false) {

-                    $definition[0]['default'] = $default;

-                }

-                if ($autoincrement !== false) {

-                    $definition[0]['autoincrement'] = $autoincrement;

-                }

-                foreach ($types as $key => $type) {

-                    $definition[$key] = $definition[0];

-                    if ($type == 'clob' || $type == 'blob') {

-                        unset($definition[$key]['default']);

-                    }

-                    $definition[$key]['type'] = $type;

-                    $definition[$key]['mdb2type'] = $type;

-                }

-                return $definition;

-            }

-        }

-

-        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-            'it was not specified an existing table column', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the stucture of an index into an array

-     *

-     * @param string $table_name name of table that should be used in method

-     * @param string $index_name name of index that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableIndexDefinition($table_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');

-        } else {

-            $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');

-        }

-        $query.= ' AND sql NOT NULL ORDER BY name';

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text'));

-        } else {

-            $qry = sprintf($query, $db->quote($index_name_mdb2, 'text'));

-        }

-        $sql = $db->queryOne($qry, 'text');

-        if (PEAR::isError($sql) || empty($sql)) {

-            // fallback to the given $index_name, without transformation

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                $qry = sprintf($query, $db->quote(strtolower($index_name), 'text'));

-            } else {

-                $qry = sprintf($query, $db->quote($index_name, 'text'));

-            }

-            $sql = $db->queryOne($qry, 'text');

-        }

-        if (PEAR::isError($sql)) {

-            return $sql;

-        }

-        if (!$sql) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table index', __FUNCTION__);

-        }

-

-        $sql = strtolower($sql);

-        $start_pos = strpos($sql, '(');

-        $end_pos = strrpos($sql, ')');

-        $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);

-        $column_names = split(',', $column_names);

-

-        if (preg_match("/^create unique/", $sql)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table index', __FUNCTION__);

-        }

-

-        $definition = array();

-        $count = count($column_names);

-        for ($i=0; $i<$count; ++$i) {

-            $column_name = strtok($column_names[$i], ' ');

-            $collation = strtok(' ');

-            $definition['fields'][$column_name] = array(

-                'position' => $i+1

-            );

-            if (!empty($collation)) {

-                $definition['fields'][$column_name]['sorting'] =

-                    ($collation=='ASC' ? 'ascending' : 'descending');

-            }

-        }

-

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing table index', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the stucture of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');

-        } else {

-            $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');

-        }

-        $query.= ' AND sql NOT NULL ORDER BY name';

-        $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text'));

-        } else {

-            $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text'));

-        }

-        $sql = $db->queryOne($qry, 'text');

-        if (PEAR::isError($sql) || empty($sql)) {

-            // fallback to the given $index_name, without transformation

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text'));

-            } else {

-                $qry = sprintf($query, $db->quote($constraint_name, 'text'));

-            }

-            $sql = $db->queryOne($qry, 'text');

-        }

-        if (PEAR::isError($sql)) {

-            return $sql;

-        }

-        //default values, eventually overridden

-        $definition = array(

-            'primary' => false,

-            'unique'  => false,

-            'foreign' => false,

-            'check'   => false,

-            'fields'  => array(),

-            'references' => array(

-                'table'  => '',

-                'fields' => array(),

-            ),

-            'onupdate'  => '',

-            'ondelete'  => '',

-            'match'     => '',

-            'deferrable'        => false,

-            'initiallydeferred' => false,

-        );

-        if (!$sql) {

-            $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";

-            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');

-            } else {

-                $query.= 'name='.$db->quote($table, 'text');

-            }

-            $query.= " AND sql NOT NULL ORDER BY name";

-            $sql = $db->queryOne($query, 'text');

-            if (PEAR::isError($sql)) {

-                return $sql;

-            }

-            if ($constraint_name == 'primary') {

-                // search in table definition for PRIMARY KEYs

-                if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) {

-                    $definition['primary'] = true;

-                    $definition['fields'] = array();

-                    $column_names = split(',', $tmp[1]);

-                    $colpos = 1;

-                    foreach ($column_names as $column_name) {

-                        $definition['fields'][trim($column_name)] = array(

-                            'position' => $colpos++

-                        );

-                    }

-                    return $definition;

-                }

-                if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/i", $sql, $tmp)) {

-                    $definition['primary'] = true;

-                    $definition['fields'] = array();

-                    $column_names = split(',', $tmp[1]);

-                    $colpos = 1;

-                    foreach ($column_names as $column_name) {

-                        $definition['fields'][trim($column_name)] = array(

-                            'position' => $colpos++

-                        );

-                    }

-                    return $definition;

-                }

-            } else {

-                // search in table definition for FOREIGN KEYs

-                $pattern = "/\bCONSTRAINT\b\s+%s\s+

-                    \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s*

-                    \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s*

-                    (?:\bMATCH\s*([^\s]+))?\s*

-                    (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s*

-                    (?:\bON\s+DELETE\s+([^\s,\)]+))?\s*

-                    /imsx";

-                $found_fk = false;

-                if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) {

-                    $found_fk = true;

-                } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) {

-                    $found_fk = true;

-                }

-                if ($found_fk) {

-                    $definition['foreign'] = true;

-                    $definition['match'] = 'SIMPLE';

-                    $definition['onupdate'] = 'NO ACTION';

-                    $definition['ondelete'] = 'NO ACTION';

-                    $definition['references']['table'] = $tmp[2];

-                    $column_names = split(',', $tmp[1]);

-                    $colpos = 1;

-                    foreach ($column_names as $column_name) {

-                        $definition['fields'][trim($column_name)] = array(

-                            'position' => $colpos++

-                        );

-                    }

-                    $referenced_cols = split(',', $tmp[3]);

-                    $colpos = 1;

-                    foreach ($referenced_cols as $column_name) {

-                        $definition['references']['fields'][trim($column_name)] = array(

-                            'position' => $colpos++

-                        );

-                    }

-                    if (isset($tmp[4])) {

-                        $definition['match']    = $tmp[4];

-                    }

-                    if (isset($tmp[5])) {

-                        $definition['onupdate'] = $tmp[5];

-                    }

-                    if (isset($tmp[6])) {

-                        $definition['ondelete'] = $tmp[6];

-                    }

-                    return $definition;

-                }

-            }

-            $sql = false;

-        }

-        if (!$sql) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-

-        $sql = strtolower($sql);

-        $start_pos = strpos($sql, '(');

-        $end_pos   = strrpos($sql, ')');

-        $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);

-        $column_names = split(',', $column_names);

-

-        if (!preg_match("/^create unique/", $sql)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-

-        $definition['unique'] = true;

-        $count = count($column_names);

-        for ($i=0; $i<$count; ++$i) {

-            $column_name = strtok($column_names[$i]," ");

-            $collation = strtok(" ");

-            $definition['fields'][$column_name] = array(

-                'position' => $i+1

-            );

-            if (!empty($collation)) {

-                $definition['fields'][$column_name]['sorting'] =

-                    ($collation=='ASC' ? 'ascending' : 'descending');

-            }

-        }

-

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = "SELECT name as trigger_name,

-                         tbl_name AS table_name,

-                         sql AS trigger_body,

-                         NULL AS trigger_type,

-                         NULL AS trigger_event,

-                         NULL AS trigger_comment,

-                         1 AS trigger_enabled

-                    FROM sqlite_master

-                   WHERE type='trigger'";

-        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text');

-        } else {

-            $query.= ' AND name='.$db->quote($trigger, 'text');

-        }

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-            'trigger_comment' => 'text',

-            'trigger_enabled' => 'boolean',

-        );

-        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($def)) {

-            return $def;

-        }

-        if (empty($def)) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'it was not specified an existing trigger', __FUNCTION__);

-        }

-        if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) {

-            $def['trigger_type'] = strtoupper($tmp[1]);

-            $def['trigger_event'] = strtoupper($tmp[2]);

-        }

-        return $def;

-    }

-

-    // }}}

-    // {{{ tableInfo()

-

-    /**

-     * Returns information about a table

-     *

-     * @param string         $result  a string containing the name of a table

-     * @param int            $mode    a valid tableInfo mode

-     *

-     * @return array  an associative array with the information requested.

-     *                 A MDB2_Error object on failure.

-     *

-     * @see MDB2_Driver_Common::tableInfo()

-     * @since Method available since Release 1.7.0

-     */

-    function tableInfo($result, $mode = null)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,

-           'This DBMS can not obtain tableInfo from result sets', __FUNCTION__);

-    }

-}

-

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 SQlite driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
+{
+    /**
+     * Remove SQL comments from the field definition
+     *
+     * @access private
+     */
+    function _removeComments($sql) {
+        $lines = explode("\n", $sql);
+        foreach ($lines as $k => $line) {
+            $pieces = explode('--', $line);
+            if (count($pieces) > 1 && (substr_count($pieces[0], '\'') % 2) == 0) {
+                $lines[$k] = substr($line, 0, strpos($line, '--'));
+            }
+        }
+        return implode("\n", $lines);
+    }
+
+    /**
+     *
+     */
+    function _getTableColumns($sql)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $start_pos  = strpos($sql, '(');
+        $end_pos    = strrpos($sql, ')');
+        $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+        // replace the decimal length-places-separator with a colon
+        $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def);
+        $column_def = $this->_removeComments($column_def);
+        $column_sql = explode(',', $column_def);
+        $columns    = array();
+        $count      = count($column_sql);
+        if ($count == 0) {
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'unexpected empty table column definition list', __FUNCTION__);
+        }
+        $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( NULL| NOT NULL)?( UNSIGNED)?( NULL| NOT NULL)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?(\s*\-\-.*)?$/i';
+        $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i';
+        for ($i=0, $j=0; $i<$count; ++$i) {
+            if (!preg_match($regexp, trim($column_sql[$i]), $matches)) {
+                if (!preg_match($regexp2, trim($column_sql[$i]))) {
+                    continue;
+                }
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__);
+            }
+            $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting));
+            $columns[$j]['type'] = strtolower($matches[2]);
+            if (isset($matches[4]) && strlen($matches[4])) {
+                $columns[$j]['length'] = $matches[4];
+            }
+            if (isset($matches[6]) && strlen($matches[6])) {
+                $columns[$j]['decimal'] = $matches[6];
+            }
+            if (isset($matches[8]) && strlen($matches[8])) {
+                $columns[$j]['unsigned'] = true;
+            }
+            if (isset($matches[9]) && strlen($matches[9])) {
+                $columns[$j]['autoincrement'] = true;
+            }
+            if (isset($matches[12]) && strlen($matches[12])) {
+                $default = $matches[12];
+                if (strlen($default) && $default[0]=="'") {
+                    $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
+                }
+                if ($default === 'NULL') {
+                    $default = null;
+                }
+                $columns[$j]['default'] = $default;
+            }
+            if (isset($matches[7]) && strlen($matches[7])) {
+                $columns[$j]['notnull'] = ($matches[7] === ' NOT NULL');
+            } else if (isset($matches[9]) && strlen($matches[9])) {
+                $columns[$j]['notnull'] = ($matches[9] === ' NOT NULL');
+            } else if (isset($matches[13]) && strlen($matches[13])) {
+                $columns[$j]['notnull'] = ($matches[13] === ' NOT NULL');
+            }
+            ++$j;
+        }
+        return $columns;
+    }
+
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the stucture of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure.
+     *          The returned array contains an array for each field definition,
+     *          with (some of) these indices:
+     *          [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+        } else {
+            $query.= 'name='.$db->quote($table, 'text');
+        }
+        $sql = $db->queryOne($query);
+        if (PEAR::isError($sql)) {
+            return $sql;
+        }
+        $columns = $this->_getTableColumns($sql);
+        foreach ($columns as $column) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column['name'] = strtolower($column['name']);
+                } else {
+                    $column['name'] = strtoupper($column['name']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            if ($field_name == $column['name']) {
+                $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+                if (PEAR::isError($mapped_datatype)) {
+                    return $mapped_datatype;
+                }
+                list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+                $notnull = false;
+                if (!empty($column['notnull'])) {
+                    $notnull = $column['notnull'];
+                }
+                $default = false;
+                if (array_key_exists('default', $column)) {
+                    $default = $column['default'];
+                    if ((null === $default) && $notnull) {
+                        $default = '';
+                    }
+                }
+                $autoincrement = false;
+                if (!empty($column['autoincrement'])) {
+                    $autoincrement = true;
+                }
+
+                $definition[0] = array(
+                    'notnull' => $notnull,
+                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+                );
+                if (null !== $length) {
+                    $definition[0]['length'] = $length;
+                }
+                if (null !== $unsigned) {
+                    $definition[0]['unsigned'] = $unsigned;
+                }
+                if (null !== $fixed) {
+                    $definition[0]['fixed'] = $fixed;
+                }
+                if ($default !== false) {
+                    $definition[0]['default'] = $default;
+                }
+                if ($autoincrement !== false) {
+                    $definition[0]['autoincrement'] = $autoincrement;
+                }
+                foreach ($types as $key => $type) {
+                    $definition[$key] = $definition[0];
+                    if ($type == 'clob' || $type == 'blob') {
+                        unset($definition[$key]['default']);
+                    }
+                    $definition[$key]['type'] = $type;
+                    $definition[$key]['mdb2type'] = $type;
+                }
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+            'it was not specified an existing table column', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the stucture of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+        } else {
+            $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+        }
+        $query.= ' AND sql NOT NULL ORDER BY name';
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text'));
+        } else {
+            $qry = sprintf($query, $db->quote($index_name_mdb2, 'text'));
+        }
+        $sql = $db->queryOne($qry, 'text');
+        if (PEAR::isError($sql) || empty($sql)) {
+            // fallback to the given $index_name, without transformation
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                $qry = sprintf($query, $db->quote(strtolower($index_name), 'text'));
+            } else {
+                $qry = sprintf($query, $db->quote($index_name, 'text'));
+            }
+            $sql = $db->queryOne($qry, 'text');
+        }
+        if (PEAR::isError($sql)) {
+            return $sql;
+        }
+        if (!$sql) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+
+        $sql = strtolower($sql);
+        $start_pos = strpos($sql, '(');
+        $end_pos = strrpos($sql, ')');
+        $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+        $column_names = explode(',', $column_names);
+
+        if (preg_match("/^create unique/", $sql)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+
+        $definition = array();
+        $count = count($column_names);
+        for ($i=0; $i<$count; ++$i) {
+            $column_name = strtok($column_names[$i], ' ');
+            $collation = strtok(' ');
+            $definition['fields'][$column_name] = array(
+                'position' => $i+1
+            );
+            if (!empty($collation)) {
+                $definition['fields'][$column_name]['sorting'] =
+                    ($collation=='ASC' ? 'ascending' : 'descending');
+            }
+        }
+
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the stucture of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+        } else {
+            $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+        }
+        $query.= ' AND sql NOT NULL ORDER BY name';
+        $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text'));
+        } else {
+            $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text'));
+        }
+        $sql = $db->queryOne($qry, 'text');
+        if (PEAR::isError($sql) || empty($sql)) {
+            // fallback to the given $index_name, without transformation
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text'));
+            } else {
+                $qry = sprintf($query, $db->quote($constraint_name, 'text'));
+            }
+            $sql = $db->queryOne($qry, 'text');
+        }
+        if (PEAR::isError($sql)) {
+            return $sql;
+        }
+        //default values, eventually overridden
+        $definition = array(
+            'primary' => false,
+            'unique'  => false,
+            'foreign' => false,
+            'check'   => false,
+            'fields'  => array(),
+            'references' => array(
+                'table'  => '',
+                'fields' => array(),
+            ),
+            'onupdate'  => '',
+            'ondelete'  => '',
+            'match'     => '',
+            'deferrable'        => false,
+            'initiallydeferred' => false,
+        );
+        if (!$sql) {
+            $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+            } else {
+                $query.= 'name='.$db->quote($table, 'text');
+            }
+            $query.= " AND sql NOT NULL ORDER BY name";
+            $sql = $db->queryOne($query, 'text');
+            if (PEAR::isError($sql)) {
+                return $sql;
+            }
+            if ($constraint_name == 'primary') {
+                // search in table definition for PRIMARY KEYs
+                if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) {
+                    $definition['primary'] = true;
+                    $definition['fields'] = array();
+                    $column_names = explode(',', $tmp[1]);
+                    $colpos = 1;
+                    foreach ($column_names as $column_name) {
+                        $definition['fields'][trim($column_name)] = array(
+                            'position' => $colpos++
+                        );
+                    }
+                    return $definition;
+                }
+                if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/i", $sql, $tmp)) {
+                    $definition['primary'] = true;
+                    $definition['fields'] = array();
+                    $column_names = explode(',', $tmp[1]);
+                    $colpos = 1;
+                    foreach ($column_names as $column_name) {
+                        $definition['fields'][trim($column_name)] = array(
+                            'position' => $colpos++
+                        );
+                    }
+                    return $definition;
+                }
+            } else {
+                // search in table definition for FOREIGN KEYs
+                $pattern = "/\bCONSTRAINT\b\s+%s\s+
+                    \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s*
+                    \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s*
+                    (?:\bMATCH\s*([^\s]+))?\s*
+                    (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s*
+                    (?:\bON\s+DELETE\s+([^\s,\)]+))?\s*
+                    /imsx";
+                $found_fk = false;
+                if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) {
+                    $found_fk = true;
+                } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) {
+                    $found_fk = true;
+                }
+                if ($found_fk) {
+                    $definition['foreign'] = true;
+                    $definition['match'] = 'SIMPLE';
+                    $definition['onupdate'] = 'NO ACTION';
+                    $definition['ondelete'] = 'NO ACTION';
+                    $definition['references']['table'] = $tmp[2];
+                    $column_names = explode(',', $tmp[1]);
+                    $colpos = 1;
+                    foreach ($column_names as $column_name) {
+                        $definition['fields'][trim($column_name)] = array(
+                            'position' => $colpos++
+                        );
+                    }
+                    $referenced_cols = explode(',', $tmp[3]);
+                    $colpos = 1;
+                    foreach ($referenced_cols as $column_name) {
+                        $definition['references']['fields'][trim($column_name)] = array(
+                            'position' => $colpos++
+                        );
+                    }
+                    if (isset($tmp[4])) {
+                        $definition['match']    = $tmp[4];
+                    }
+                    if (isset($tmp[5])) {
+                        $definition['onupdate'] = $tmp[5];
+                    }
+                    if (isset($tmp[6])) {
+                        $definition['ondelete'] = $tmp[6];
+                    }
+                    return $definition;
+                }
+            }
+            $sql = false;
+        }
+        if (!$sql) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+
+        $sql = strtolower($sql);
+        $start_pos = strpos($sql, '(');
+        $end_pos   = strrpos($sql, ')');
+        $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+        $column_names = explode(',', $column_names);
+
+        if (!preg_match("/^create unique/", $sql)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+
+        $definition['unique'] = true;
+        $count = count($column_names);
+        for ($i=0; $i<$count; ++$i) {
+            $column_name = strtok($column_names[$i]," ");
+            $collation = strtok(" ");
+            $definition['fields'][$column_name] = array(
+                'position' => $i+1
+            );
+            if (!empty($collation)) {
+                $definition['fields'][$column_name]['sorting'] =
+                    ($collation=='ASC' ? 'ascending' : 'descending');
+            }
+        }
+
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name as trigger_name,
+                         tbl_name AS table_name,
+                         sql AS trigger_body,
+                         NULL AS trigger_type,
+                         NULL AS trigger_event,
+                         NULL AS trigger_comment,
+                         1 AS trigger_enabled
+                    FROM sqlite_master
+                   WHERE type='trigger'";
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text');
+        } else {
+            $query.= ' AND name='.$db->quote($trigger, 'text');
+        }
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+            'trigger_comment' => 'text',
+            'trigger_enabled' => 'boolean',
+        );
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        if (empty($def)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing trigger', __FUNCTION__);
+        }
+        if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) {
+            $def['trigger_type'] = strtoupper($tmp[1]);
+            $def['trigger_event'] = strtoupper($tmp[2]);
+        }
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table
+     *
+     * @param string         $result  a string containing the name of a table
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     * @since Method available since Release 1.7.0
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
+           'This DBMS can not obtain tableInfo from result sets', __FUNCTION__);
+    }
+}
+
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/sqlsrv.php b/program/lib/MDB2/Driver/Reverse/sqlsrv.php
new file mode 100644
index 000000000..3835ceb85
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/sqlsrv.php
@@ -0,0 +1,653 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton     |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_sqlsrv extends MDB2_Driver_Reverse_Common
+{
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $field_name name of field that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableFieldDefinition($table_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $fldname = $db->quoteIdentifier($field_name, true);
+
+        $query = "SELECT t.table_name,
+                         c.column_name 'name',
+                         c.data_type 'type',
+                         CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',
+                         c.column_default,
+                         c.character_maximum_length 'length',
+                         c.numeric_precision,
+                         c.numeric_scale,
+                         c.character_set_name,
+                         c.collation_name
+                    FROM INFORMATION_SCHEMA.TABLES t,
+                         INFORMATION_SCHEMA.COLUMNS c
+                   WHERE t.table_name = c.table_name
+                     AND t.table_name = '$table'
+                     AND c.column_name = '$fldname'";
+        if (!empty($schema)) {
+            $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY t.table_name';
+        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($column)) {
+            return $column;
+        }
+        if (empty($column)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table column', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $column['name'] = strtolower($column['name']);
+            } else {
+                $column['name'] = strtoupper($column['name']);
+            }
+        } else {
+            $column = array_change_key_case($column, $db->options['field_case']);
+        }
+        $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+        if (PEAR::isError($mapped_datatype)) {
+            return $mapped_datatype;
+        }
+        list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+        $notnull = true;
+        if ($column['is_nullable']) {
+            $notnull = false;
+        }
+        $default = false;
+        if (array_key_exists('column_default', $column)) {
+            $default = $column['column_default'];
+            if ((null === $default) && $notnull) {
+                $default = '';
+            } elseif (strlen($default) > 4
+                   && substr($default, 0, 1) == '('
+                   &&  substr($default, -1, 1) == ')'
+            ) {
+                //mssql wraps the default value in parentheses: "((1234))", "(NULL)"
+                $default = trim($default, '()');
+                if ($default == 'NULL') {
+                    $default = null;
+                }
+            }
+        }
+        $definition[0] = array(
+            'notnull' => $notnull,
+            'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+        );
+        if (null !== $length) {
+            $definition[0]['length'] = $length;
+        }
+        if (null !== $unsigned) {
+            $definition[0]['unsigned'] = $unsigned;
+        }
+        if (null !== $fixed) {
+            $definition[0]['fixed'] = $fixed;
+        }
+        if ($default !== false) {
+            $definition[0]['default'] = $default;
+        }
+        foreach ($types as $key => $type) {
+            $definition[$key] = $definition[0];
+            if ($type == 'clob' || $type == 'blob') {
+                unset($definition[$key]['default']);
+            }
+            $definition[$key]['type'] = $type;
+            $definition[$key]['mdb2type'] = $type;
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name name of table that should be used in method
+     * @param string $index_name name of index that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableIndexDefinition($table_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        //$idxname = $db->quoteIdentifier($index_name, true);
+
+        $query = "SELECT OBJECT_NAME(i.id) tablename,
+                         i.name indexname,
+                         c.name field_name,
+                         CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')
+                           WHEN 1 THEN 'DESC' ELSE 'ASC'
+                         END 'collation',
+                         ik.keyno 'position'
+                    FROM sysindexes i
+                    JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid
+                    JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid
+                   WHERE OBJECT_NAME(i.id) = '$table'
+                     AND i.name = '%s'
+                     AND NOT EXISTS (
+                            SELECT *
+                              FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                             WHERE k.table_name = OBJECT_NAME(i.id)
+                               AND k.constraint_name = i.name";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ')
+                ORDER BY tablename, indexname, ik.keyno';
+
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $index_name_mdb2));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $index_name = $index_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $index_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $column_name = $row['field_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column_name = strtolower($column_name);
+                } else {
+                    $column_name = strtoupper($column_name);
+                }
+            }
+            $definition['fields'][$column_name] = array(
+                'position' => (int)$row['position'],
+            );
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SELECT k.table_name,
+                         k.column_name field_name,
+                         CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',
+                         CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',
+                         CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',
+                         CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',
+                         CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',
+                         CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',
+                         rc.match_option 'match',
+                		 rc.update_rule 'onupdate',
+                         rc.delete_rule 'ondelete',
+                         kcu.table_name 'references_table',
+                         kcu.column_name 'references_field',
+                         k.ordinal_position 'field_position'
+                    FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                    LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+                      ON k.table_name = c.table_name
+                     AND k.table_schema = c.table_schema
+                     AND k.table_catalog = c.table_catalog
+                     AND k.constraint_catalog = c.constraint_catalog
+                     AND k.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc
+                      ON rc.constraint_schema = c.constraint_schema
+                     AND rc.constraint_catalog = c.constraint_catalog
+                     AND rc.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu
+                      ON rc.unique_constraint_schema = kcu.constraint_schema
+                     AND rc.unique_constraint_catalog = kcu.constraint_catalog
+                     AND rc.unique_constraint_name = kcu.constraint_name
+					 AND k.ordinal_position = kcu.ordinal_position
+                   WHERE k.constraint_catalog = DB_NAME()
+                     AND k.table_name = '$table'
+                     AND k.constraint_name = '%s'";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY k.constraint_name,
+                             k.ordinal_position';
+
+        $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+        $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $constraint_name = $constraint_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $constraint_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array(
+            'fields' => array()
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $column_name = $row['field_name'];
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column_name = strtolower($column_name);
+                } else {
+                    $column_name = strtoupper($column_name);
+                }
+            }
+            $definition['fields'][$column_name] = array(
+                'position' => (int)$row['field_position']
+            );
+            if ($row['foreign']) {
+                $ref_column_name = $row['references_field'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $ref_column_name = strtolower($ref_column_name);
+                    } else {
+                        $ref_column_name = strtoupper($ref_column_name);
+                    }
+                }
+                $definition['references']['table'] = $row['references_table'];
+                $definition['references']['fields'][$ref_column_name] = array(
+                    'position' => (int)$row['field_position']
+                );
+            }
+            //collation?!?
+            /*
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+            */
+            $lastrow = $row;
+            // otherwise $row is no longer usable on exit from loop
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+
+        $definition['primary'] = (boolean)$lastrow['primary'];
+        $definition['unique']  = (boolean)$lastrow['unique'];
+        $definition['foreign'] = (boolean)$lastrow['foreign'];
+        $definition['check']   = (boolean)$lastrow['check'];
+        $definition['deferrable'] = (boolean)$lastrow['deferrable'];
+        $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];
+        $definition['onupdate'] = $lastrow['onupdate'];
+        $definition['ondelete'] = $lastrow['ondelete'];
+        $definition['match']    = $lastrow['match'];
+
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT sys1.name trigger_name,
+                         sys2.name table_name,
+                         c.text trigger_body,
+                         c.encrypted is_encripted,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1
+                           THEN 0 ELSE 1
+                         END trigger_enabled,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1
+                           THEN 'INSERT'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1
+                           THEN 'UPDATE'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1
+                           THEN 'DELETE'
+                         END trigger_event,
+                         CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1
+                           THEN 'INSTEAD OF' ELSE 'AFTER'
+                         END trigger_type,
+                         '' trigger_comment
+                    FROM sysobjects sys1
+                    JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
+                    JOIN syscomments c ON sys1.id = c.id
+                   WHERE sys1.xtype = 'TR'
+                     AND sys1.name = ". $db->quote($trigger, 'text');
+
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+            'trigger_comment' => 'text',
+            'trigger_enabled' => 'boolean',
+            'is_encripted'    => 'boolean',
+        );
+
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
+        if (!PEAR::isError($trg_body)) {
+            $def['trigger_body'] = implode(' ', $trg_body);
+        }
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+     * is a table name.
+     *
+     * @param object|string  $result  MDB2_result object from a query or a
+     *                                 string containing the name of a table.
+     *                                 While this also accepts a query result
+     *                                 resource identifier, this behavior is
+     *                                 deprecated.
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_resource($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $case_func = 'strtolower';
+            } else {
+                $case_func = 'strtoupper';
+            }
+        } else {
+            $case_func = 'strval';
+        }
+
+        $meta = @sqlsrv_field_metadata($resource);
+        $count = count($meta);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => '',
+                'name'              => $case_func($meta[$i]['Name']),
+                'type'              => $meta[$i]['Type'],
+                'length'            => $meta[$i]['Size'],
+                'numeric_precision' => $meta[$i]['Precision'],
+                'numeric_scale'     => $meta[$i]['Scale'],
+                'flags'             => ''
+            );
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+
+    // }}}
+    // {{{ _mssql_field_flags()
+
+    /**
+     * Get a column's flags
+     *
+     * Supports "not_null", "primary_key",
+     * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
+     * "unique_key" (mssql unique index, unique check or primary_key) and
+     * "multiple_key" (multikey index)
+     *
+     * mssql timestamp is NOT similar to the mysql timestamp so this is maybe
+     * not useful at all - is the behaviour of mysql_field_flags that primary
+     * keys are alway unique? is the interpretation of multiple_key correct?
+     *
+     * @param string $table   the table name
+     * @param string $column  the field name
+     *
+     * @return string  the flags
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _mssql_field_flags($table, $column)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        static $tableName = null;
+        static $flags = array();
+
+        if ($table != $tableName) {
+
+            $flags = array();
+            $tableName = $table;
+
+            // get unique and primary keys
+            $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                $keys = explode(', ', $val['index_keys']);
+
+                if (sizeof($keys) > 1) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'multiple_key');
+                    }
+                }
+
+                if (strpos($val['index_description'], 'primary key')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'primary_key');
+                    }
+                } elseif (strpos($val['index_description'], 'unique')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'unique_key');
+                    }
+                }
+            }
+
+            // get auto_increment, not_null and timestamp
+            $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                if ($val['nullable'] == '0') {
+                    $this->_add_flag($flags[$val['column_name']], 'not_null');
+                }
+                if (strpos($val['type_name'], 'identity')) {
+                    $this->_add_flag($flags[$val['column_name']], 'auto_increment');
+                }
+                if (strpos($val['type_name'], 'timestamp')) {
+                    $this->_add_flag($flags[$val['column_name']], 'timestamp');
+                }
+            }
+        }
+
+        if (!empty($flags[$column])) {
+            return(implode(' ', $flags[$column]));
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _add_flag()
+
+    /**
+     * Adds a string to the flags array if the flag is not yet in there
+     * - if there is no flag present the array is created
+     *
+     * @param array  &$array  the reference to the flag-array
+     * @param string $value   the flag value
+     *
+     * @return void
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _add_flag(&$array, $value)
+    {
+        if (!is_array($array)) {
+            $array = array($value);
+        } elseif (!in_array($value, $array)) {
+            array_push($array, $value);
+        }
+    }
+
+    // }}}
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php
index 46cb78197..3e45fef8c 100644
--- a/program/lib/MDB2/Driver/mssql.php
+++ b/program/lib/MDB2/Driver/mssql.php
@@ -1,1124 +1,1174 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Frank M. Kromann <frank@kromann.info>                        |

-// +----------------------------------------------------------------------+

-//

-// $Id: mssql.php,v 1.174 2008/03/08 14:18:39 quipo Exp $

-//

-// {{{ Class MDB2_Driver_mssql

-/**

- * MDB2 MSSQL Server driver

- *

- * @package MDB2

- * @category Database

- * @author  Frank M. Kromann <frank@kromann.info>

- */

-class MDB2_Driver_mssql extends MDB2_Driver_Common

-{

-    // {{{ properties

-

-    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);

-

-    var $identifier_quoting = array('start' => '[', 'end' => ']', 'escape' => ']');

-

-    // }}}

-    // {{{ constructor

-

-    /**

-     * Constructor

-     */

-    function __construct()

-    {

-        parent::__construct();

-

-        $this->phptype = 'mssql';

-        $this->dbsyntax = 'mssql';

-

-        $this->supported['sequences'] = 'emulated';

-        $this->supported['indexes'] = true;

-        $this->supported['affected_rows'] = true;

-        $this->supported['transactions'] = true;

-        $this->supported['savepoints'] = false;

-        $this->supported['summary_functions'] = true;

-        $this->supported['order_by_text'] = true;

-        $this->supported['current_id'] = 'emulated';

-        $this->supported['limit_queries'] = 'emulated';

-        $this->supported['LOBs'] = true;

-        $this->supported['replace'] = 'emulated';

-        $this->supported['sub_selects'] = true;

-        $this->supported['triggers'] = true;

-        $this->supported['auto_increment'] = true;

-        $this->supported['primary_key'] = true;

-        $this->supported['result_introspection'] = true;

-        $this->supported['prepared_statements'] = 'emulated';

-        $this->supported['pattern_escaping'] = true;

-        $this->supported['new_link'] = true;

-

-        $this->options['DBA_username'] = false;

-        $this->options['DBA_password'] = false;

-        $this->options['database_device'] = false;

-        $this->options['database_size'] = false;

-        $this->options['max_identifiers_length'] = 128; // MS Access: 64

-    }

-

-    // }}}

-    // {{{ errorInfo()

-

-    /**

-     * This method is used to collect information about an error

-     *

-     * @param integer $error

-     * @return array

-     * @access public

-     */

-    function errorInfo($error = null, $connection = null)

-    {

-        if (is_null($connection)) {

-            $connection = $this->connection;

-        }

-

-        $native_code = null;

-        if ($connection) {

-            $result = @mssql_query('select @@ERROR as ErrorCode', $connection);

-            if ($result) {

-                $native_code = @mssql_result($result, 0, 0);

-                @mssql_free_result($result);

-            }

-        }

-        $native_msg = @mssql_get_last_message();

-        if (is_null($error)) {

-            static $ecode_map;

-            if (empty($ecode_map)) {

-                $ecode_map = array(

-                    102   => MDB2_ERROR_SYNTAX,

-                    110   => MDB2_ERROR_VALUE_COUNT_ON_ROW,

-                    155   => MDB2_ERROR_NOSUCHFIELD,

-                    156   => MDB2_ERROR_SYNTAX,

-                    170   => MDB2_ERROR_SYNTAX,

-                    207   => MDB2_ERROR_NOSUCHFIELD,

-                    208   => MDB2_ERROR_NOSUCHTABLE,

-                    245   => MDB2_ERROR_INVALID_NUMBER,

-                    319   => MDB2_ERROR_SYNTAX,

-                    321   => MDB2_ERROR_NOSUCHFIELD,

-                    325   => MDB2_ERROR_SYNTAX,

-                    336   => MDB2_ERROR_SYNTAX,

-                    515   => MDB2_ERROR_CONSTRAINT_NOT_NULL,

-                    547   => MDB2_ERROR_CONSTRAINT,

-                    911   => MDB2_ERROR_NOT_FOUND,

-                    1018  => MDB2_ERROR_SYNTAX,

-                    1035  => MDB2_ERROR_SYNTAX,

-                    1801  => MDB2_ERROR_ALREADY_EXISTS,

-                    1913  => MDB2_ERROR_ALREADY_EXISTS,

-                    2209  => MDB2_ERROR_SYNTAX,

-                    2223  => MDB2_ERROR_SYNTAX,

-                    2248  => MDB2_ERROR_SYNTAX,

-                    2256  => MDB2_ERROR_SYNTAX,

-                    2257  => MDB2_ERROR_SYNTAX,

-                    2627  => MDB2_ERROR_CONSTRAINT,

-                    2714  => MDB2_ERROR_ALREADY_EXISTS,

-                    3607  => MDB2_ERROR_DIVZERO,

-                    3701  => MDB2_ERROR_NOSUCHTABLE,

-                    7630  => MDB2_ERROR_SYNTAX,

-                    8134  => MDB2_ERROR_DIVZERO,

-                    9303  => MDB2_ERROR_SYNTAX,

-                    9317  => MDB2_ERROR_SYNTAX,

-                    9318  => MDB2_ERROR_SYNTAX,

-                    9331  => MDB2_ERROR_SYNTAX,

-                    9332  => MDB2_ERROR_SYNTAX,

-                    15253 => MDB2_ERROR_SYNTAX,

-                );

-            }

-            if (isset($ecode_map[$native_code])) {

-                if ($native_code == 3701

-                    && preg_match('/Cannot drop the index/i', $native_msg)

-                ) {

-                   $error = MDB2_ERROR_NOT_FOUND;

-                } else {

-                    $error = $ecode_map[$native_code];

-                }

-            }

-        }

-        return array($error, $native_code, $native_msg);

-    }

-

-    // }}}

-    // {{{ function escapePattern($text)

-

-    /**

-     * Quotes pattern (% and _) characters in a string)

-     *

-     * @param   string  the input string to quote

-     *

-     * @return  string  quoted string

-     *

-     * @access  public

-     */

-    function escapePattern($text)

-    {

-        $text = str_replace("[", "[ [ ]", $text);

-        foreach ($this->wildcards as $wildcard) {

-            $text = str_replace($wildcard, '[' . $wildcard . ']', $text);

-        }

-        return $text;

-    }

-

-    // }}}

-    // {{{ beginTransaction()

-

-    /**

-     * Start a transaction or set a savepoint.

-     *

-     * @param   string  name of a savepoint to set

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function beginTransaction($savepoint = null)

-    {

-        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!is_null($savepoint)) {

-            if (!$this->in_transaction) {

-                return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                    'savepoint cannot be released when changes are auto committed', __FUNCTION__);

-            }

-            $query = 'SAVE TRANSACTION '.$savepoint;

-            return $this->_doQuery($query, true);

-        } elseif ($this->in_transaction) {

-            return MDB2_OK;  //nothing to do

-        }

-        if (!$this->destructor_registered && $this->opened_persistent) {

-            $this->destructor_registered = true;

-            register_shutdown_function('MDB2_closeOpenTransactions');

-        }

-        $result =& $this->_doQuery('BEGIN TRANSACTION', true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = true;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ commit()

-

-    /**

-     * Commit the database changes done during a transaction that is in

-     * progress or release a savepoint. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after committing the pending changes.

-     *

-     * @param   string  name of a savepoint to release

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function commit($savepoint = null)

-    {

-        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            return MDB2_OK;

-        }

-

-        $result =& $this->_doQuery('COMMIT TRANSACTION', true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ rollback()

-

-    /**

-     * Cancel any database changes done during a transaction or since a specific

-     * savepoint that is in progress. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after canceling the pending changes.

-     *

-     * @param   string  name of a savepoint to rollback to

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function rollback($savepoint = null)

-    {

-        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'rollback cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            $query = 'ROLLBACK TRANSACTION '.$savepoint;

-            return $this->_doQuery($query, true);

-        }

-

-        $result =& $this->_doQuery('ROLLBACK TRANSACTION', true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ _doConnect()

-

-    /**

-     * do the grunt work of the connect

-     *

-     * @return connection on success or MDB2 Error Object on failure

-     * @access protected

-     */

-    function _doConnect($username, $password, $persistent = false)

-    {

-        if (!PEAR::loadExtension($this->phptype) && !PEAR::loadExtension('sybase_ct')) {

-            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);

-        }

-

-        $params = array(

-            $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost',

-            $username ? $username : null,

-            $password ? $password : null,

-        );

-        if ($this->dsn['port']) {

-            $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':').$this->dsn['port'];

-        }

-        if (!$persistent) {

-            if (isset($this->dsn['new_link'])

-                && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)

-            ) {

-                $params[] = true;

-            } else {

-                $params[] = false;

-            }

-        }

-

-        $connect_function = $persistent ? 'mssql_pconnect' : 'mssql_connect';

-

-        $connection = @call_user_func_array($connect_function, $params);

-        if ($connection <= 0) {

-            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,

-                'unable to establish a connection', __FUNCTION__, __FUNCTION__);

-        }

-

-        @mssql_query('SET ANSI_NULL_DFLT_ON ON', $connection);

-

-/*
-        if (!empty($this->dsn['charset'])) {

-            $result = $this->setCharset($this->dsn['charset'], $connection);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-        }

-*/
-

-       if ((bool)ini_get('mssql.datetimeconvert')) {

-           @ini_set('mssql.datetimeconvert', '0');

-       }

-

-       if (empty($this->dsn['disable_iso_date'])) {

-           @mssql_query('SET DATEFORMAT ymd', $connection);

-       }

-

-       return $connection;

-    }

-

-    // }}}

-    // {{{ connect()

-

-    /**

-     * Connect to the database

-     *

-     * @return true on success, MDB2 Error Object on failure

-     */

-    function connect()

-    {

-        if (is_resource($this->connection)) {

-            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0

-            if (MDB2::areEquals($this->connected_dsn, $this->dsn)

-                && $this->opened_persistent == $this->options['persistent']

-            ) {

-                return MDB2_OK;

-            }

-            $this->disconnect(false);

-        }

-

-        $connection = $this->_doConnect(

-            $this->dsn['username'],

-            $this->dsn['password'],

-            $this->options['persistent']

-        );

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $this->connection = $connection;

-        $this->connected_dsn = $this->dsn;

-        $this->connected_database_name = '';

-        $this->opened_persistent = $this->options['persistent'];

-        $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;

-

-        if ($this->database_name) {

-            if ($this->database_name != $this->connected_database_name) {

-                if (!@mssql_select_db($this->database_name, $connection)) {

-                    $err = $this->raiseError(null, null, null,

-                        'Could not select the database: '.$this->database_name, __FUNCTION__);

-                    return $err;

-                }

-                $this->connected_database_name = $this->database_name;

-            }

-        }

-

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ databaseExists()

-

-    /**

-     * check if given database name is exists?

-     *

-     * @param string $name    name of the database that should be checked

-     *

-     * @return mixed true/false on success, a MDB2 error on failure

-     * @access public

-     */

-    function databaseExists($name)

-    {

-        $connection = $this->_doConnect($this->dsn['username'],

-                                        $this->dsn['password'],

-                                        $this->options['persistent']);

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $result = @mssql_select_db($name, $connection);

-        $errorInfo = $this->errorInfo(null, $connection);

-        @mssql_close($connection);

-        if (!$result) {

-            if ($errorInfo[0] != MDB2_ERROR_NOT_FOUND) {

-            exit;

-                $result = $this->raiseError($errorInfo[0], null, null, $errorInfo[2], __FUNCTION__);

-                return $result;

-            }

-            $result = false;

-        }

-

-        return $result;

-    }

-

-    // }}}

-    // {{{ disconnect()

-

-    /**

-     * Log out and disconnect from the database.

-     *

-     * @param  boolean $force if the disconnect should be forced even if the

-     *                        connection is opened persistently

-     * @return mixed true on success, false if not connected and error

-     *                object on error

-     * @access public

-     */

-    function disconnect($force = true)

-    {

-        if (is_resource($this->connection)) {

-            if ($this->in_transaction) {

-                $dsn = $this->dsn;

-                $database_name = $this->database_name;

-                $persistent = $this->options['persistent'];

-                $this->dsn = $this->connected_dsn;

-                $this->database_name = $this->connected_database_name;

-                $this->options['persistent'] = $this->opened_persistent;

-                $this->rollback();

-                $this->dsn = $dsn;

-                $this->database_name = $database_name;

-                $this->options['persistent'] = $persistent;

-            }

-

-            if (!$this->opened_persistent || $force) {

-                @mssql_close($this->connection);

-            }

-        }

-        return parent::disconnect($force);

-    }

-

-    // }}}

-    // {{{ standaloneQuery()

-

-   /**

-     * execute a query as DBA

-     *

-     * @param string $query the SQL query

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param boolean $is_manip  if the query is a manipulation query

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &standaloneQuery($query, $types = null, $is_manip = false)

-    {

-        $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];

-        $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];

-        $connection = $this->_doConnect($user, $pass, $this->options['persistent']);

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $offset = $this->offset;

-        $limit = $this->limit;

-        $this->offset = $this->limit = 0;

-        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);

-        

-        $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name);

-        if (!PEAR::isError($result)) {

-            $result = $this->_affectedRows($connection, $result);

-        }

-

-        @mssql_close($connection);

-        return $result;

-    }

-

-    // }}}

-    // {{{ _doQuery()

-

-    /**

-     * Execute a query

-     * @param string $query  query

-     * @param boolean $is_manip  if the query is a manipulation query

-     * @param resource $connection

-     * @param string $database_name

-     * @return result or error object

-     * @access protected

-     */

-    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)

-    {

-        $this->last_query = $query;

-        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));

-        if ($result) {

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            $query = $result;

-        }

-        if ($this->options['disable_query']) {

-            $result = $is_manip ? 0 : null;

-            return $result;

-        }

-

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-        if (is_null($database_name)) {

-            $database_name = $this->database_name;

-        }

-

-        if ($database_name) {

-            if ($database_name != $this->connected_database_name) {

-                if (!@mssql_select_db($database_name, $connection)) {

-                    $err = $this->raiseError(null, null, null,

-                        'Could not select the database: '.$database_name, __FUNCTION__);

-                    return $err;

-                }

-                $this->connected_database_name = $database_name;

-            }

-        }

-

-        $result = @mssql_query($query, $connection);

-        if (!$result) {

-            $err =& $this->raiseError(null, null, null,

-                'Could not execute statement', __FUNCTION__);

-            return $err;

-        }

-

-        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));

-        return $result;

-    }

-

-    // }}}

-    // {{{ _affectedRows()

-

-    /**

-     * Returns the number of rows affected

-     *

-     * @param resource $result

-     * @param resource $connection

-     * @return mixed MDB2 Error Object or the number of rows affected

-     * @access private

-     */

-    function _affectedRows($connection, $result = null)

-    {

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-        return @mssql_rows_affected($connection);

-    }

-

-    // }}}

-    // {{{ _modifyQuery()

-

-    /**

-     * Changes a query string for various DBMS specific reasons

-     *

-     * @param string $query  query to modify

-     * @param boolean $is_manip  if it is a DML query

-     * @param integer $limit  limit the number of rows

-     * @param integer $offset  start reading from given offset

-     * @return string modified query

-     * @access protected

-     */

-    function _modifyQuery($query, $is_manip, $limit, $offset)

-    {

-        if ($limit > 0) {

-            $fetch = $offset + $limit;

-            if (!$is_manip) {

-                return preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',

-                    "\\1SELECT\\2 TOP $fetch", $query);

-            }

-        }

-        return $query;

-    }

-

-    // }}}

-    // {{{ getServerVersion()

-

-    /**

-     * return version information about the server

-     *

-     * @param bool   $native  determines if the raw version string should be returned

-     * @return mixed array/string with version information or MDB2 error object

-     * @access public

-     */

-    function getServerVersion($native = false)

-    {

-        if ($this->connected_server_info) {

-            $server_info = $this->connected_server_info;

-        } else {

-            $query = 'SELECT @@VERSION';

-            $server_info = $this->queryOne($query, 'text');

-            if (PEAR::isError($server_info)) {

-                return $server_info;

-            }

-        }

-        // cache server_info

-        $this->connected_server_info = $server_info;

-        if (!$native && !PEAR::isError($server_info)) {

-            if (preg_match('/(\d+)\.(\d+)\.(\d+)/', $server_info, $tmp)) {

-                $server_info = array(

-                    'major' => $tmp[1],

-                    'minor' => $tmp[2],

-                    'patch' => $tmp[3],

-                    'extra' => null,

-                    'native' => $server_info,

-                );

-            } else {

-                $server_info = array(

-                    'major' => null,

-                    'minor' => null,

-                    'patch' => null,

-                    'extra' => null,

-                    'native' => $server_info,

-                );

-            }

-        }

-        return $server_info;

-    }

-

-    // }}}

-    // {{{ _checkSequence

-

-    /**

-     * Checks if there's a sequence that exists.

-     *

-     * @param  string $seq_name    The sequence name to verify.

-     * @return bool   $tableExists The value if the table exists or not

-     * @access private

-     */

-    function _checkSequence($seq_name)

-    {

-        $query = "SELECT * FROM $seq_name";

-        $tableExists =& $this->_doQuery($query, true);

-        if (PEAR::isError($tableExists)) {

-            if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {

-                return false;

-            }

-            //return $tableExists;

-            return false;

-        }

-        return mssql_result($tableExists, 0, 0);

-    }

-

-    // }}}

-    // {{{ nextID()

-

-    /**

-     * Returns the next free id of a sequence

-     *

-     * @param string $seq_name name of the sequence

-     * @param boolean $ondemand when true the sequence is

-     *                          automatic created, if it

-     *                          not exists

-     *

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function nextID($seq_name, $ondemand = true)

-    {

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

-        $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);

-        $this->pushErrorHandling(PEAR_ERROR_RETURN);

-        $this->expectError(MDB2_ERROR_NOSUCHTABLE);

-        

-        $seq_val = $this->_checkSequence($sequence_name);

-

-        if ($seq_val) {

-            $query = "SET IDENTITY_INSERT $sequence_name OFF ".

-                     "INSERT INTO $sequence_name DEFAULT VALUES";

-        } else {

-            $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (0)";

-        }

-        $result =& $this->_doQuery($query, true);

-        $this->popExpect();

-        $this->popErrorHandling();

-        if (PEAR::isError($result)) {

-            if ($ondemand && !$this->_checkSequence($sequence_name)) {

-                $this->loadModule('Manager', null, true);

-                $result = $this->manager->createSequence($seq_name);

-                if (PEAR::isError($result)) {

-                    return $this->raiseError($result, null, null,

-                        'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);

-                } else {

-                    /**

-                     * Little off-by-one problem with the sequence emulation

-                     * here being fixed, that instead of re-calling nextID

-                     * and forcing an increment by one, we simply check if it

-                     * exists, then we get the last inserted id if it does.

-                     *

-                     * In theory, $seq_name should be created otherwise there would

-                     * have been an error thrown somewhere up there.. 

-                     *

-                     * @todo confirm

-                     */

-                    if ($this->_checkSequence($seq_name)) {

-                        return $this->lastInsertID($seq_name);

-                    }

-

-                    return $this->nextID($seq_name, false);

-                }

-            }

-            return $result;

-        }

-        $value = $this->lastInsertID($sequence_name);

-        if (is_numeric($value)) {

-            $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";

-            $result =& $this->_doQuery($query, true);

-            if (PEAR::isError($result)) {

-                $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;

-            }

-        }

-        return $value;

-    }

-

-    // }}}

-    // {{{ lastInsertID()

-

-    /**

-     * Returns the autoincrement ID if supported or $id or fetches the current

-     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)

-     *

-     * @param string $table name of the table into which a new row was inserted

-     * @param string $field name of the field into which a new row was inserted

-     *

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function lastInsertID($table = null, $field = null)

-    {

-        $server_info = $this->getServerVersion();

-        if (is_array($server_info) && !is_null($server_info['major'])

-           && $server_info['major'] >= 8

-        ) {

-            $query = "SELECT IDENT_CURRENT('$table')";

-        } else {

-            $query = "SELECT @@IDENTITY";

-            if (!is_null($table)) {

-                $query .= ' FROM '.$this->quoteIdentifier($table, true);

-            }

-        }

-

-        return $this->queryOne($query, 'integer');

-    }

-

-    // }}}

-}

-

-// }}}

-// {{{ Class MDB2_Result_mssql

-

-/**

- * MDB2 MSSQL Server result driver

- *

- * @package MDB2

- * @category Database

- * @author  Frank M. Kromann <frank@kromann.info>

- */

-class MDB2_Result_mssql extends MDB2_Result_Common

-{

-    // {{{ _skipLimitOffset()

-

-    /**

-     * Skip the first row of a result set.

-     *

-     * @param resource $result

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access protected

-     */

-    function _skipLimitOffset()

-    {

-        if ($this->limit) {

-            if ($this->rownum >= $this->limit) {

-                return false;

-            }

-        }

-        if ($this->offset) {

-            while ($this->offset_count < $this->offset) {

-                ++$this->offset_count;

-                if (!is_array(@mssql_fetch_row($this->result))) {

-                    $this->offset_count = $this->limit;

-                    return false;

-                }

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ fetchRow()

-

-    /**

-     * Fetch a row and insert the data into an existing array.

-     *

-     * @param int       $fetchmode  how the array data should be indexed

-     * @param int    $rownum    number of the row where the data can be found

-     * @return int data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)

-    {

-        if (!$this->_skipLimitOffset()) {

-            $null = null;

-            return $null;

-        }

-        if (!is_null($rownum)) {

-            $seek = $this->seek($rownum);

-            if (PEAR::isError($seek)) {

-                return $seek;

-            }

-        }

-        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {

-            $fetchmode = $this->db->fetchmode;

-        }

-        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {

-            $row = @mssql_fetch_assoc($this->result);

-            if (is_array($row)

-                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE

-            ) {

-                $row = array_change_key_case($row, $this->db->options['field_case']);

-            }

-        } else {

-            $row = @mssql_fetch_row($this->result);

-        }

-        if (!$row) {

-            if ($this->result === false) {

-                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-                return $err;

-            }

-            $null = null;

-            return $null;

-        }

-        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;

-        $rtrim = false;

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {

-            if (empty($this->types)) {

-                $mode += MDB2_PORTABILITY_RTRIM;

-            } else {

-                $rtrim = true;

-            }

-        }

-        if ($mode) {

-            $this->db->_fixResultArrayValues($row, $mode);

-        }

-        if (!empty($this->types)) {

-            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);

-        }

-        if (!empty($this->values)) {

-            $this->_assignBindColumns($row);

-        }

-        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {

-            $object_class = $this->db->options['fetch_class'];

-            if ($object_class == 'stdClass') {

-                $row = (object) $row;

-            } else {

-                $row = new $object_class($row);

-            }

-        }

-        ++$this->rownum;

-        return $row;

-    }

-

-    // }}}

-    // {{{ _getColumnNames()

-

-    /**

-     * Retrieve the names of columns returned by the DBMS in a query result.

-     *

-     * @return  mixed   Array variable that holds the names of columns as keys

-     *                  or an MDB2 error on failure.

-     *                  Some DBMS may not return any columns when the result set

-     *                  does not contain any rows.

-     * @access private

-     */

-    function _getColumnNames()

-    {

-        $columns = array();

-        $numcols = $this->numCols();

-        if (PEAR::isError($numcols)) {

-            return $numcols;

-        }

-        for ($column = 0; $column < $numcols; $column++) {

-            $column_name = @mssql_field_name($this->result, $column);

-            $columns[$column_name] = $column;

-        }

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $columns = array_change_key_case($columns, $this->db->options['field_case']);

-        }

-        return $columns;

-    }

-

-    // }}}

-    // {{{ numCols()

-

-    /**

-     * Count the number of columns returned by the DBMS in a query result.

-     *

-     * @return mixed integer value with the number of columns, a MDB2 error

-     *      on failure

-     * @access public

-     */

-    function numCols()

-    {

-        $cols = @mssql_num_fields($this->result);

-        if (is_null($cols)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return count($this->types);

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get column count', __FUNCTION__);

-        }

-        return $cols;

-    }

-

-    // }}}

-    // {{{ nextResult()

-

-    /**

-     * Move the internal result pointer to the next available result

-     *

-     * @return true on success, false if there is no more result set or an error object on failure

-     * @access public

-     */

-    function nextResult()

-    {

-        if ($this->result === false) {

-            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'resultset has already been freed', __FUNCTION__);

-        } elseif (is_null($this->result)) {

-            return false;

-        }

-        return @mssql_next_result($this->result);

-    }

-

-    // }}}

-    // {{{ free()

-

-    /**

-     * Free the internal resources associated with $result.

-     *

-     * @return boolean true on success, false if $result is invalid

-     * @access public

-     */

-    function free()

-    {

-        if (is_resource($this->result) && $this->db->connection) {

-            $free = @mssql_free_result($this->result);

-            if ($free === false) {

-                return $this->db->raiseError(null, null, null,

-                    'Could not free result', __FUNCTION__);

-            }

-        }

-        $this->result = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-}

-

-// }}}

-// {{{ class MDB2_BufferedResult_mssql

-

-/**

- * MDB2 MSSQL Server buffered result driver

- *

- * @package MDB2

- * @category Database

- * @author  Frank M. Kromann <frank@kromann.info>

- */

-class MDB2_BufferedResult_mssql extends MDB2_Result_mssql

-{

-    // {{{ seek()

-

-    /**

-     * Seek to a specific row in a result set

-     *

-     * @param int    $rownum    number of the row where the data can be found

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function seek($rownum = 0)

-    {

-        if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return MDB2_OK;

-            }

-            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,

-                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);

-        }

-        $this->rownum = $rownum - 1;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ valid()

-

-    /**

-     * Check if the end of the result set has been reached

-     *

-     * @return mixed true or false on sucess, a MDB2 error on failure

-     * @access public

-     */

-    function valid()

-    {

-        $numrows = $this->numRows();

-        if (PEAR::isError($numrows)) {

-            return $numrows;

-        }

-        return $this->rownum < ($numrows - 1);

-    }

-

-    // }}}

-    // {{{ numRows()

-

-    /**

-     * Returns the number of rows in a result object

-     *

-     * @return mixed MDB2 Error Object or the number of rows

-     * @access public

-     */

-    function numRows()

-    {

-        $rows = @mssql_num_rows($this->result);

-        if (is_null($rows)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return 0;

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get row count', __FUNCTION__);

-        }

-        if ($this->limit) {

-            $rows -= $this->limit -1 + $this->offset;

-            if ($rows < 0) {

-                $rows = 0;

-            }

-        }

-        return $rows;

-    }

-}

-

-// }}}

-// {{{ MDB2_Statement_mssql

-

-/**

- * MDB2 MSSQL Server statement driver

- *

- * @package MDB2

- * @category Database

- * @author  Frank M. Kromann <frank@kromann.info>

- */

-class MDB2_Statement_mssql extends MDB2_Statement_Common

-{

-

-}

-

-// }}}

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Frank M. Kromann <frank@kromann.info>                        |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
+//
+// {{{ Class MDB2_Driver_mssql
+/**
+ * MDB2 MSSQL Server driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Driver_mssql extends MDB2_Driver_Common
+{
+    // {{{ properties
+
+    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);
+
+    var $identifier_quoting = array('start' => '[', 'end' => ']', 'escape' => ']');
+
+    // }}}
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        parent::__construct();
+
+        $this->phptype = 'mssql';
+        $this->dbsyntax = 'mssql';
+
+        $this->supported['sequences'] = 'emulated';
+        $this->supported['indexes'] = true;
+        $this->supported['affected_rows'] = true;
+        $this->supported['transactions'] = true;
+        $this->supported['savepoints'] = false;
+        $this->supported['summary_functions'] = true;
+        $this->supported['order_by_text'] = true;
+        $this->supported['current_id'] = 'emulated';
+        $this->supported['limit_queries'] = 'emulated';
+        $this->supported['LOBs'] = true;
+        $this->supported['replace'] = 'emulated';
+        $this->supported['sub_selects'] = true;
+        $this->supported['triggers'] = true;
+        $this->supported['auto_increment'] = true;
+        $this->supported['primary_key'] = true;
+        $this->supported['result_introspection'] = true;
+        $this->supported['prepared_statements'] = 'emulated';
+        $this->supported['pattern_escaping'] = true;
+        $this->supported['new_link'] = true;
+
+        $this->options['DBA_username'] = false;
+        $this->options['DBA_password'] = false;
+        $this->options['database_device'] = false;
+        $this->options['database_size'] = false;
+        $this->options['max_identifiers_length'] = 128; // MS Access: 64
+    }
+
+    // }}}
+    // {{{ errorInfo()
+
+    /**
+     * This method is used to collect information about an error
+     *
+     * @param integer $error
+     * @return array
+     * @access public
+     */
+    function errorInfo($error = null, $connection = null)
+    {
+        if (null === $connection) {
+            $connection = $this->connection;
+        }
+
+        $native_code = null;
+        if ($connection) {
+            $result = @mssql_query('select @@ERROR as ErrorCode', $connection);
+            if ($result) {
+                $native_code = @mssql_result($result, 0, 0);
+                @mssql_free_result($result);
+            }
+        }
+        $native_msg = @mssql_get_last_message();
+        if (null === $error) {
+            static $ecode_map;
+            if (empty($ecode_map)) {
+                $ecode_map = array(
+                    102   => MDB2_ERROR_SYNTAX,
+                    110   => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+                    155   => MDB2_ERROR_NOSUCHFIELD,
+                    156   => MDB2_ERROR_SYNTAX,
+                    170   => MDB2_ERROR_SYNTAX,
+                    207   => MDB2_ERROR_NOSUCHFIELD,
+                    208   => MDB2_ERROR_NOSUCHTABLE,
+                    245   => MDB2_ERROR_INVALID_NUMBER,
+                    319   => MDB2_ERROR_SYNTAX,
+                    321   => MDB2_ERROR_NOSUCHFIELD,
+                    325   => MDB2_ERROR_SYNTAX,
+                    336   => MDB2_ERROR_SYNTAX,
+                    515   => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+                    547   => MDB2_ERROR_CONSTRAINT,
+                    911   => MDB2_ERROR_NOT_FOUND,
+                    1018  => MDB2_ERROR_SYNTAX,
+                    1035  => MDB2_ERROR_SYNTAX,
+                    1801  => MDB2_ERROR_ALREADY_EXISTS,
+                    1913  => MDB2_ERROR_ALREADY_EXISTS,
+                    2209  => MDB2_ERROR_SYNTAX,
+                    2223  => MDB2_ERROR_SYNTAX,
+                    2248  => MDB2_ERROR_SYNTAX,
+                    2256  => MDB2_ERROR_SYNTAX,
+                    2257  => MDB2_ERROR_SYNTAX,
+                    2627  => MDB2_ERROR_CONSTRAINT,
+                    2714  => MDB2_ERROR_ALREADY_EXISTS,
+                    3607  => MDB2_ERROR_DIVZERO,
+                    3701  => MDB2_ERROR_NOSUCHTABLE,
+                    7630  => MDB2_ERROR_SYNTAX,
+                    8134  => MDB2_ERROR_DIVZERO,
+                    9303  => MDB2_ERROR_SYNTAX,
+                    9317  => MDB2_ERROR_SYNTAX,
+                    9318  => MDB2_ERROR_SYNTAX,
+                    9331  => MDB2_ERROR_SYNTAX,
+                    9332  => MDB2_ERROR_SYNTAX,
+                    15253 => MDB2_ERROR_SYNTAX,
+                );
+            }
+            if (isset($ecode_map[$native_code])) {
+                if ($native_code == 3701
+                    && preg_match('/Cannot drop the index/i', $native_msg)
+                ) {
+                   $error = MDB2_ERROR_NOT_FOUND;
+                } else {
+                    $error = $ecode_map[$native_code];
+                }
+            }
+        }
+        return array($error, $native_code, $native_msg);
+    }
+
+    // }}}
+    // {{{ function escapePattern($text)
+
+    /**
+     * Quotes pattern (% and _) characters in a string)
+     *
+     * @param   string  the input string to quote
+     *
+     * @return  string  quoted string
+     *
+     * @access  public
+     */
+    function escapePattern($text)
+    {
+        $text = str_replace("[", "[ [ ]", $text);
+        foreach ($this->wildcards as $wildcard) {
+            $text = str_replace($wildcard, '[' . $wildcard . ']', $text);
+        }
+        return $text;
+    }
+
+    // }}}
+    // {{{ escape()
+
+    /**
+     * Quotes a string so it can be safely used in a query. It will quote
+     * the text so it can safely be used within a query.
+     *
+     * @param string $text             the input string to quote
+     * @param bool   $escape_wildcards flag
+     *
+     * @return string  quoted string
+     * @access public
+     */
+    function escape($text, $escape_wildcards = false)
+    {
+        $text = parent::escape($text, $escape_wildcards);
+        // http://pear.php.net/bugs/bug.php?id=16118
+        // http://support.microsoft.com/kb/164291
+        return preg_replace("/\\\\(\r\n|\r|\n)/", '\\\\$1', $text);
+    }
+
+    // }}}
+    // {{{ beginTransaction()
+
+    /**
+     * Start a transaction or set a savepoint.
+     *
+     * @param string $savepoint name of a savepoint to set
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function beginTransaction($savepoint = null)
+    {
+        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (null !== $savepoint) {
+            if (!$this->in_transaction) {
+                return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                    'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+            }
+            $query = 'SAVE TRANSACTION '.$savepoint;
+            return $this->_doQuery($query, true);
+        }
+        if ($this->in_transaction) {
+            return MDB2_OK;  //nothing to do
+        }
+        if (!$this->destructor_registered && $this->opened_persistent) {
+            $this->destructor_registered = true;
+            register_shutdown_function('MDB2_closeOpenTransactions');
+        }
+        $result =& $this->_doQuery('BEGIN TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = true;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ commit()
+
+    /**
+     * Commit the database changes done during a transaction that is in
+     * progress or release a savepoint. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after committing the pending changes.
+     *
+     * @param string $savepoint name of a savepoint to release
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access  public
+     */
+    function commit($savepoint = null)
+    {
+        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            return MDB2_OK;
+        }
+
+        $result =& $this->_doQuery('COMMIT TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ rollback()
+
+    /**
+     * Cancel any database changes done during a transaction or since a specific
+     * savepoint that is in progress. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after canceling the pending changes.
+     *
+     * @param string $savepoint name of a savepoint to rollback to
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function rollback($savepoint = null)
+    {
+        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'rollback cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            $query = 'ROLLBACK TRANSACTION '.$savepoint;
+            return $this->_doQuery($query, true);
+        }
+
+        $result =& $this->_doQuery('ROLLBACK TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _doConnect()
+
+    /**
+     * do the grunt work of the connect
+     *
+     * @param string  $username
+     * @param string  $password
+     * @param boolean $persistent
+     *
+     * @return connection on success or MDB2 Error Object on failure
+     * @access protected
+     */
+    function _doConnect($username, $password, $persistent = false)
+    {
+        if (   !PEAR::loadExtension($this->phptype)
+            && !PEAR::loadExtension('sybase_ct')
+            && !PEAR::loadExtension('odbtp')
+            && !function_exists('mssql_connect')
+        ) {
+            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+        }
+
+        $params = array(
+            $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost',
+            $username ? $username : null,
+            $password ? $password : null,
+            );
+        if ($this->dsn['port']) {
+            $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':').$this->dsn['port'];
+        }
+        if (!$persistent) {
+            if ($this->_isNewLinkSet()) {
+                $params[] = true;
+            } else {
+                $params[] = false;
+            }
+        }
+
+        $connect_function = $persistent ? 'mssql_pconnect' : 'mssql_connect';
+
+        $connection = @call_user_func_array($connect_function, $params);
+        if ($connection <= 0) {
+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+                'unable to establish a connection', __FUNCTION__, __FUNCTION__);
+        }
+
+        @mssql_query('SET ANSI_NULL_DFLT_ON ON', $connection);
+
+        /*
+        if (!empty($this->dsn['charset'])) {
+            $result = $this->setCharset($this->dsn['charset'], $connection);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+        */
+
+        if ((bool)ini_get('mssql.datetimeconvert')) {
+            // his isn't the most elegant way of doing it but it prevents from
+            // breaking anything thus preserves BC. Bug #11849
+            if (isset($this->options['datetimeconvert']) && (bool)$this->options['datetimeconvert'] !== false) {
+                @ini_set('mssql.datetimeconvert', '1');
+            } else {
+                @ini_set('mssql.datetimeconvert', '0');
+            }
+        }
+
+        if (empty($this->dsn['disable_iso_date'])) {
+            @mssql_query('SET DATEFORMAT ymd', $connection);
+        }
+
+        return $connection;
+    }
+
+    // }}}
+    // {{{ connect()
+
+    /**
+     * Connect to the database
+     *
+     * @return true on success, MDB2 Error Object on failure
+     */
+    function connect()
+    {
+        if (is_resource($this->connection)) {
+            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+            if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+                && $this->opened_persistent == $this->options['persistent']
+            ) {
+                return MDB2_OK;
+            }
+            $this->disconnect(false);
+        }
+
+        $connection = $this->_doConnect(
+            $this->dsn['username'],
+            $this->dsn['password'],
+            $this->options['persistent']
+        );
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $this->connection = $connection;
+        $this->connected_dsn = $this->dsn;
+        $this->connected_database_name = '';
+        $this->opened_persistent = $this->options['persistent'];
+        $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+        if ($this->database_name) {
+            if ($this->database_name != $this->connected_database_name) {
+                if (!@mssql_select_db($this->database_name, $connection)) {
+                    $err = $this->raiseError(null, null, null,
+                        'Could not select the database: '.$this->database_name, __FUNCTION__);
+                    return $err;
+                }
+                $this->connected_database_name = $this->database_name;
+            }
+        }
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ databaseExists()
+
+    /**
+     * check if given database name is exists?
+     *
+     * @param string $name    name of the database that should be checked
+     *
+     * @return mixed true/false on success, a MDB2 error on failure
+     * @access public
+     */
+    function databaseExists($name)
+    {
+        $connection = $this->_doConnect($this->dsn['username'],
+                                        $this->dsn['password'],
+                                        $this->options['persistent']);
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $result = @mssql_select_db($name, $connection);
+        $errorInfo = $this->errorInfo(null, $connection);
+        @mssql_close($connection);
+        if (!$result) {
+            if ($errorInfo[0] != MDB2_ERROR_NOT_FOUND) {
+            exit;
+                $result = $this->raiseError($errorInfo[0], null, null, $errorInfo[2], __FUNCTION__);
+                return $result;
+            }
+            $result = false;
+        }
+
+        return $result;
+    }
+
+    // }}}
+    // {{{ disconnect()
+
+    /**
+     * Log out and disconnect from the database.
+     *
+     * @param  boolean $force if the disconnect should be forced even if the
+     *                        connection is opened persistently
+     * @return mixed true on success, false if not connected and error
+     *                object on error
+     * @access public
+     */
+    function disconnect($force = true)
+    {
+        if (is_resource($this->connection)) {
+            if ($this->in_transaction) {
+                $dsn = $this->dsn;
+                $database_name = $this->database_name;
+                $persistent = $this->options['persistent'];
+                $this->dsn = $this->connected_dsn;
+                $this->database_name = $this->connected_database_name;
+                $this->options['persistent'] = $this->opened_persistent;
+                $this->rollback();
+                $this->dsn = $dsn;
+                $this->database_name = $database_name;
+                $this->options['persistent'] = $persistent;
+            }
+
+            if (!$this->opened_persistent || $force) {
+                $ok = @mssql_close($this->connection);
+                if (!$ok) {
+                    return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+                           null, null, null, __FUNCTION__);
+                }
+            }
+        } else {
+            return false;
+        }
+        return parent::disconnect($force);
+    }
+
+    // }}}
+    // {{{ standaloneQuery()
+
+   /**
+     * execute a query as DBA
+     *
+     * @param string $query the SQL query
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param boolean $is_manip  if the query is a manipulation query
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &standaloneQuery($query, $types = null, $is_manip = false)
+    {
+        $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];
+        $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];
+        $connection = $this->_doConnect($user, $pass, $this->options['persistent']);
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $offset = $this->offset;
+        $limit = $this->limit;
+        $this->offset = $this->limit = 0;
+        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+        
+        $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name);
+        if (!PEAR::isError($result)) {
+            $result = $this->_affectedRows($connection, $result);
+        }
+
+        @mssql_close($connection);
+        return $result;
+    }
+
+    // }}}
+    // {{{ _doQuery()
+
+    /**
+     * Execute a query
+     * @param string $query  query
+     * @param boolean $is_manip  if the query is a manipulation query
+     * @param resource $connection
+     * @param string $database_name
+     * @return result or error object
+     * @access protected
+     */
+    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+    {
+        $this->last_query = $query;
+        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+        if ($result) {
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            $query = $result;
+        }
+        if ($this->options['disable_query']) {
+            $result = $is_manip ? 0 : null;
+            return $result;
+        }
+
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+        if (null === $database_name) {
+            $database_name = $this->database_name;
+        }
+
+        if ($database_name) {
+            if ($database_name != $this->connected_database_name) {
+                if (!@mssql_select_db($database_name, $connection)) {
+                    $err = $this->raiseError(null, null, null,
+                        'Could not select the database: '.$database_name, __FUNCTION__);
+                    return $err;
+                }
+                $this->connected_database_name = $database_name;
+            }
+        }
+
+        $result = @mssql_query($query, $connection);
+        if (!$result) {
+            $err =& $this->raiseError(null, null, null,
+                'Could not execute statement', __FUNCTION__);
+            return $err;
+        }
+
+        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+        return $result;
+    }
+
+    // }}}
+    // {{{ _affectedRows()
+
+    /**
+     * Returns the number of rows affected
+     *
+     * @param resource $result
+     * @param resource $connection
+     * @return mixed MDB2 Error Object or the number of rows affected
+     * @access private
+     */
+    function _affectedRows($connection, $result = null)
+    {
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+        return @mssql_rows_affected($connection);
+    }
+
+    // }}}
+    // {{{ _modifyQuery()
+
+    /**
+     * Changes a query string for various DBMS specific reasons
+     *
+     * @param string $query  query to modify
+     * @param boolean $is_manip  if it is a DML query
+     * @param integer $limit  limit the number of rows
+     * @param integer $offset  start reading from given offset
+     * @return string modified query
+     * @access protected
+     */
+    function _modifyQuery($query, $is_manip, $limit, $offset)
+    {
+        if ($limit > 0) {
+            $fetch = $offset + $limit;
+            if (!$is_manip) {
+                return preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',
+                    "\\1SELECT\\2 TOP $fetch", $query);
+            }
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ getServerVersion()
+
+    /**
+     * return version information about the server
+     *
+     * @param bool   $native  determines if the raw version string should be returned
+     * @return mixed array/string with version information or MDB2 error object
+     * @access public
+     */
+    function getServerVersion($native = false)
+    {
+        if ($this->connected_server_info) {
+            $server_info = $this->connected_server_info;
+        } else {
+            $query = 'SELECT @@VERSION';
+            $server_info = $this->queryOne($query, 'text');
+            if (PEAR::isError($server_info)) {
+                return $server_info;
+            }
+        }
+        // cache server_info
+        $this->connected_server_info = $server_info;
+        if (!$native && !PEAR::isError($server_info)) {
+            if (preg_match('/(\d+)\.(\d+)\.(\d+)/', $server_info, $tmp)) {
+                $server_info = array(
+                    'major' => $tmp[1],
+                    'minor' => $tmp[2],
+                    'patch' => $tmp[3],
+                    'extra' => null,
+                    'native' => $server_info,
+                );
+            } else {
+                $server_info = array(
+                    'major' => null,
+                    'minor' => null,
+                    'patch' => null,
+                    'extra' => null,
+                    'native' => $server_info,
+                );
+            }
+        }
+        return $server_info;
+    }
+
+    // }}}
+    // {{{ _checkSequence
+
+    /**
+     * Checks if there's a sequence that exists.
+     *
+     * @param  string $seq_name    The sequence name to verify.
+     * @return bool   $tableExists The value if the table exists or not
+     * @access private
+     */
+    function _checkSequence($seq_name)
+    {
+        $query = "SELECT * FROM $seq_name";
+        $tableExists =& $this->_doQuery($query, true);
+        if (PEAR::isError($tableExists)) {
+            if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+                return false;
+            }
+            //return $tableExists;
+            return false;
+        }
+        return mssql_result($tableExists, 0, 0);
+    }
+
+    // }}}
+    // {{{ nextID()
+
+    /**
+     * Returns the next free id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @param boolean $ondemand when true the sequence is
+     *                          automatic created, if it
+     *                          not exists
+     *
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function nextID($seq_name, $ondemand = true)
+    {
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+        $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+        $this->pushErrorHandling(PEAR_ERROR_RETURN);
+        $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+        
+        $seq_val = $this->_checkSequence($sequence_name);
+
+        if ($seq_val) {
+            $query = "SET IDENTITY_INSERT $sequence_name OFF ".
+                     "INSERT INTO $sequence_name DEFAULT VALUES";
+        } else {
+            $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (0)";
+        }
+        $result =& $this->_doQuery($query, true);
+        $this->popExpect();
+        $this->popErrorHandling();
+        if (PEAR::isError($result)) {
+            if ($ondemand && !$this->_checkSequence($sequence_name)) {
+                $this->loadModule('Manager', null, true);
+                $result = $this->manager->createSequence($seq_name);
+                if (PEAR::isError($result)) {
+                    return $this->raiseError($result, null, null,
+                        'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+                } else {
+                    /**
+                     * Little off-by-one problem with the sequence emulation
+                     * here being fixed, that instead of re-calling nextID
+                     * and forcing an increment by one, we simply check if it
+                     * exists, then we get the last inserted id if it does.
+                     *
+                     * In theory, $seq_name should be created otherwise there would
+                     * have been an error thrown somewhere up there.. 
+                     *
+                     * @todo confirm
+                     */
+                    if ($this->_checkSequence($seq_name)) {
+                        return $this->lastInsertID($seq_name);
+                    }
+
+                    return $this->nextID($seq_name, false);
+                }
+            }
+            return $result;
+        }
+        $value = $this->lastInsertID($sequence_name);
+        if (is_numeric($value)) {
+            $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+            $result =& $this->_doQuery($query, true);
+            if (PEAR::isError($result)) {
+                $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+            }
+        }
+        return $value;
+    }
+
+    // }}}
+    // {{{ lastInsertID()
+
+    /**
+     * Returns the autoincrement ID if supported or $id or fetches the current
+     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+     *
+     * @param string $table name of the table into which a new row was inserted
+     * @param string $field name of the field into which a new row was inserted
+     *
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function lastInsertID($table = null, $field = null)
+    {
+        $server_info = $this->getServerVersion();
+        if (is_array($server_info) && (null !== $server_info['major'])
+           && $server_info['major'] >= 8
+        ) {
+            $query = "SELECT IDENT_CURRENT('$table')";
+        } else {
+            $query = "SELECT @@IDENTITY";
+            if (null !== $table) {
+                $query .= ' FROM '.$this->quoteIdentifier($table, true);
+            }
+        }
+
+        return $this->queryOne($query, 'integer');
+    }
+
+    // }}}
+}
+
+// }}}
+// {{{ Class MDB2_Result_mssql
+
+/**
+ * MDB2 MSSQL Server result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Result_mssql extends MDB2_Result_Common
+{
+    // {{{ _skipLimitOffset()
+
+    /**
+     * Skip the first row of a result set.
+     *
+     * @param resource $result
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access protected
+     */
+    function _skipLimitOffset()
+    {
+        if ($this->limit) {
+            if ($this->rownum >= $this->limit) {
+                return false;
+            }
+        }
+        if ($this->offset) {
+            while ($this->offset_count < $this->offset) {
+                ++$this->offset_count;
+                if (!is_array(@mssql_fetch_row($this->result))) {
+                    $this->offset_count = $this->limit;
+                    return false;
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ fetchRow()
+
+    /**
+     * Fetch a row and insert the data into an existing array.
+     *
+     * @param int $fetchmode  how the array data should be indexed
+     * @param int $rownum     number of the row where the data can be found
+     *
+     * @return int data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+    {
+        if (!$this->_skipLimitOffset()) {
+            $null = null;
+            return $null;
+        }
+        if (null !== $rownum) {
+            $seek = $this->seek($rownum);
+            if (PEAR::isError($seek)) {
+                return $seek;
+            }
+        }
+        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+            $fetchmode = $this->db->fetchmode;
+        }
+        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+            $row = @mssql_fetch_assoc($this->result);
+            if (is_array($row)
+                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            ) {
+                $row = array_change_key_case($row, $this->db->options['field_case']);
+            }
+        } else {
+            $row = @mssql_fetch_row($this->result);
+        }
+        if (!$row) {
+            if (false === $this->result) {
+                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+                return $err;
+            }
+            $null = null;
+            return $null;
+        }
+        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+        $rtrim = false;
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+            if (empty($this->types)) {
+                $mode += MDB2_PORTABILITY_RTRIM;
+            } else {
+                $rtrim = true;
+            }
+        }
+        if ($mode) {
+            $this->db->_fixResultArrayValues($row, $mode);
+        }
+        if (!empty($this->types)) {
+            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+        }
+        if (!empty($this->values)) {
+            $this->_assignBindColumns($row);
+        }
+        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+            $object_class = $this->db->options['fetch_class'];
+            if ($object_class == 'stdClass') {
+                $row = (object) $row;
+            } else {
+                $rowObj = new $object_class($row);
+                $row = $rowObj;
+            }
+        }
+        ++$this->rownum;
+        return $row;
+    }
+
+    // }}}
+    // {{{ _getColumnNames()
+
+    /**
+     * Retrieve the names of columns returned by the DBMS in a query result.
+     *
+     * @return  mixed   Array variable that holds the names of columns as keys
+     *                  or an MDB2 error on failure.
+     *                  Some DBMS may not return any columns when the result set
+     *                  does not contain any rows.
+     * @access private
+     */
+    function _getColumnNames()
+    {
+        $columns = array();
+        $numcols = $this->numCols();
+        if (PEAR::isError($numcols)) {
+            return $numcols;
+        }
+        for ($column = 0; $column < $numcols; $column++) {
+            $column_name = @mssql_field_name($this->result, $column);
+            $columns[$column_name] = $column;
+        }
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_change_key_case($columns, $this->db->options['field_case']);
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ numCols()
+
+    /**
+     * Count the number of columns returned by the DBMS in a query result.
+     *
+     * @return mixed integer value with the number of columns, a MDB2 error
+     *      on failure
+     * @access public
+     */
+    function numCols()
+    {
+        $cols = @mssql_num_fields($this->result);
+        if (null === $cols) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return count($this->types);
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get column count', __FUNCTION__);
+        }
+        return $cols;
+    }
+
+    // }}}
+    // {{{ nextResult()
+
+    /**
+     * Move the internal result pointer to the next available result
+     *
+     * @return true on success, false if there is no more result set or an error object on failure
+     * @access public
+     */
+    function nextResult()
+    {
+        if (false === $this->result) {
+            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'resultset has already been freed', __FUNCTION__);
+        }
+        if (null === $this->result) {
+            return false;
+        }
+        return @mssql_next_result($this->result);
+    }
+
+    // }}}
+    // {{{ free()
+
+    /**
+     * Free the internal resources associated with $result.
+     *
+     * @return boolean true on success, false if $result is invalid
+     * @access public
+     */
+    function free()
+    {
+        if (is_resource($this->result) && $this->db->connection) {
+            $free = @mssql_free_result($this->result);
+            if (false === $free) {
+                return $this->db->raiseError(null, null, null,
+                    'Could not free result', __FUNCTION__);
+            }
+        }
+        $this->result = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+}
+
+// }}}
+// {{{ class MDB2_BufferedResult_mssql
+
+/**
+ * MDB2 MSSQL Server buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_BufferedResult_mssql extends MDB2_Result_mssql
+{
+    // {{{ seek()
+
+    /**
+     * Seek to a specific row in a result set
+     *
+     * @param int $rownum number of the row where the data can be found
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function seek($rownum = 0)
+    {
+        if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return MDB2_OK;
+            }
+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+        }
+        $this->rownum = $rownum - 1;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ valid()
+
+    /**
+     * Check if the end of the result set has been reached
+     *
+     * @return mixed true or false on sucess, a MDB2 error on failure
+     * @access public
+     */
+    function valid()
+    {
+        $numrows = $this->numRows();
+        if (PEAR::isError($numrows)) {
+            return $numrows;
+        }
+        return $this->rownum < ($numrows - 1);
+    }
+
+    // }}}
+    // {{{ numRows()
+
+    /**
+     * Returns the number of rows in a result object
+     *
+     * @return mixed MDB2 Error Object or the number of rows
+     * @access public
+     */
+    function numRows()
+    {
+        $rows = @mssql_num_rows($this->result);
+        if (null === $rows) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return 0;
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get row count', __FUNCTION__);
+        }
+        if ($this->limit) {
+            $rows -= $this->offset;
+            if ($rows > $this->limit + 1) {
+                $rows = $this->limit + 1;
+            }
+            if ($rows < 0) {
+                $rows = 0;
+            }
+        }
+        return $rows;
+    }
+}
+
+// }}}
+// {{{ MDB2_Statement_mssql
+
+/**
+ * MDB2 MSSQL Server statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Statement_mssql extends MDB2_Statement_Common
+{
+
+}
+
+// }}}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/mysql.php b/program/lib/MDB2/Driver/mysql.php
index 425d9b219..c9324ec14 100644
--- a/program/lib/MDB2/Driver/mysql.php
+++ b/program/lib/MDB2/Driver/mysql.php
@@ -43,7 +43,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysql.php,v 1.208 2008/03/13 03:31:55 afz Exp $
+// $Id: mysql.php 292659 2009-12-26 17:31:01Z quipo $
 //
 
 /**
@@ -337,7 +337,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
             $this->destructor_registered = true;
             register_shutdown_function('MDB2_closeOpenTransactions');
         }
-        $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 1';
+        $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 0';
         $result =& $this->_doQuery($query, true);
         if (PEAR::isError($result)) {
             return $result;
@@ -390,7 +390,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
             return $result;
         }
         if (!$this->start_transaction) {
-            $query = 'SET AUTOCOMMIT = 0';
+            $query = 'SET AUTOCOMMIT = 1';
             $result =& $this->_doQuery($query, true);
             if (PEAR::isError($result)) {
                 return $result;
@@ -436,7 +436,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
             return $result;
         }
         if (!$this->start_transaction) {
-            $query = 'SET AUTOCOMMIT = 0';
+            $query = 'SET AUTOCOMMIT = 1';
             $result =& $this->_doQuery($query, true);
             if (PEAR::isError($result)) {
                 return $result;
@@ -501,21 +501,19 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
         }
 
         $params = array();
-        if ($this->dsn['protocol'] && $this->dsn['protocol'] == 'unix') {
-            $params[0] = ':' . $this->dsn['socket'];
+        $unix = ($this->dsn['protocol'] && $this->dsn['protocol'] == 'unix');
+        if (empty($this->dsn['hostspec'])) {
+            $this->dsn['hostspec'] = $unix ? '' : 'localhost';
+        }
+        if ($this->dsn['hostspec']) {
+            $params[0] = $this->dsn['hostspec'] . ($this->dsn['port'] ? ':' . $this->dsn['port'] : '');
         } else {
-            $params[0] = $this->dsn['hostspec'] ? $this->dsn['hostspec']
-                         : 'localhost';
-            if ($this->dsn['port']) {
-                $params[0].= ':' . $this->dsn['port'];
-            }
+            $params[0] = ':' . $this->dsn['socket'];
         }
         $params[] = $username ? $username : null;
         $params[] = $password ? $password : null;
         if (!$persistent) {
-            if (isset($this->dsn['new_link'])
-                && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)
-            ) {
+            if ($this->_isNewLinkSet()) {
                 $params[] = true;
             } else {
                 $params[] = false;
@@ -625,9 +623,18 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
             $collation = array_pop($charset);
             $charset   = array_pop($charset);
         }
+        $client_info = mysql_get_client_info();
+        if (function_exists('mysql_set_charset') && version_compare($client_info, '5.0.6')) {
+            if (!$result = mysql_set_charset($charset, $connection)) {
+                $err =& $this->raiseError(null, null, null,
+                    'Could not set client character set', __FUNCTION__);
+                return $err;
+            }
+            return $result;
+        }
         $query = "SET NAMES '".mysql_real_escape_string($charset, $connection)."'";
         if (!is_null($collation)) {
-            $query .= " COLLATE '".mysqli_real_escape_string($connection, $collation)."'";
+            $query .= " COLLATE '".mysql_real_escape_string($collation, $connection)."'";
         }
         return $this->_doQuery($query, true, $connection);
     }
@@ -687,8 +694,14 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
             }
 
             if (!$this->opened_persistent || $force) {
-                @mysql_close($this->connection);
+                $ok = @mysql_close($this->connection);
+                if (!$ok) {
+                    return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+                           null, null, null, __FUNCTION__);
+                }
             }
+        } else {
+            return false;
         }
         return parent::disconnect($force);
     }
@@ -780,7 +793,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
         $function = $this->options['result_buffering']
             ? 'mysql_query' : 'mysql_unbuffered_query';
         $result = @$function($query, $connection);
-        if (!$result) {
+        if (!$result && 0 !== mysql_errno($connection)) {
             $err =& $this->raiseError(null, null, null,
                 'Could not execute statement', __FUNCTION__);
             return $err;
@@ -1021,6 +1034,12 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
      */
     function &prepare($query, $types = null, $result_types = null, $lobs = array())
     {
+        // connect to get server capabilities (http://pear.php.net/bugs/16147)
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
         if ($this->options['emulate_prepared']
             || $this->supported['prepared_statements'] !== true
         ) {
@@ -1099,10 +1118,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
                 $position = $p_position;
             }
         }
-        $connection = $this->getConnection();
-        if (PEAR::isError($connection)) {
-            return $connection;
-        }
+
         static $prep_statement_counter = 1;
         $statement_name = sprintf($this->options['statement_format'], $this->phptype, $prep_statement_counter++ . sha1(microtime() + mt_rand()));
         $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']);
@@ -1124,8 +1140,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
     /**
      * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
      * query, except that if there is already a row in the table with the same
-     * key field values, the REPLACE query just updates its values instead of
-     * inserting a new row.
+     * key field values, the old row is deleted before the new row is inserted.
      *
      * The REPLACE type of query does not make part of the SQL standards. Since
      * practically only MySQL implements it natively, this type of query is
@@ -1183,6 +1198,7 @@ class MDB2_Driver_mysql extends MDB2_Driver_Common
      *
      *    Default: 0
      *
+     * @see http://dev.mysql.com/doc/refman/5.0/en/replace.html
      * @return mixed MDB2_OK on success, a MDB2 error on failure
      */
     function replace($table, $fields)
@@ -1393,7 +1409,8 @@ class MDB2_Result_mysql extends MDB2_Result_Common
             if ($object_class == 'stdClass') {
                 $row = (object) $row;
             } else {
-                $row = new $object_class($row);
+                $rowObj = new $object_class($row);
+                $row = $rowObj;
             }
         }
         ++$this->rownum;
@@ -1555,6 +1572,8 @@ class MDB2_BufferedResult_mysql extends MDB2_Result_mysql
         }
         return $rows;
     }
+    
+    // }}}
 }
 
 /**
@@ -1573,7 +1592,9 @@ class MDB2_Statement_mysql extends MDB2_Statement_Common
      *
      * @param mixed $result_class string which specifies which result class to use
      * @param mixed $result_wrap_class string which specifies which class to wrap results in
-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     *
+     * @return mixed MDB2_Result or integer (affected rows) on success,
+     *               a MDB2 error on failure
      * @access private
      */
     function &_execute($result_class = true, $result_wrap_class = false)
@@ -1602,6 +1623,7 @@ class MDB2_Statement_mysql extends MDB2_Statement_Common
                     return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
                         'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
                 }
+                $close = false;
                 $value = $this->values[$parameter];
                 $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
                 if (is_resource($value) || $type == 'clob' || $type == 'blob' && $this->db->options['lob_allow_url_include']) {
@@ -1682,4 +1704,4 @@ class MDB2_Statement_mysql extends MDB2_Statement_Common
         return $result;
     }
 }
-?>
\ No newline at end of file
+?>
diff --git a/program/lib/MDB2/Driver/mysqli.php b/program/lib/MDB2/Driver/mysqli.php
index 8f0379147..4543f5fe1 100644
--- a/program/lib/MDB2/Driver/mysqli.php
+++ b/program/lib/MDB2/Driver/mysqli.php
@@ -43,7 +43,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysqli.php,v 1.188 2008/03/13 03:31:55 afz Exp $
+// $Id: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
 //
 
 /**
@@ -189,7 +189,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             $native_code = @mysqli_connect_errno();
             $native_msg  = @mysqli_connect_error();
         }
-        if (is_null($error)) {
+        if (null === $error) {
             static $ecode_map;
             if (empty($ecode_map)) {
                 $ecode_map = array(
@@ -320,7 +320,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
     {
         $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
         $this->_getServerCapabilities();
-        if (!is_null($savepoint)) {
+        if (null !== $savepoint) {
             if (!$this->supports('savepoints')) {
                 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
                     'savepoints are not supported', __FUNCTION__);
@@ -331,10 +331,11 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             }
             $query = 'SAVEPOINT '.$savepoint;
             return $this->_doQuery($query, true);
-        } elseif ($this->in_transaction) {
+        }
+        if ($this->in_transaction) {
             return MDB2_OK;  //nothing to do
         }
-        $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 1';
+        $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 0';
         $result =& $this->_doQuery($query, true);
         if (PEAR::isError($result)) {
             return $result;
@@ -364,7 +365,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             return $this->raiseError(MDB2_ERROR_INVALID, null, null,
                 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
         }
-        if (!is_null($savepoint)) {
+        if (null !== $savepoint) {
             if (!$this->supports('savepoints')) {
                 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
                     'savepoints are not supported', __FUNCTION__);
@@ -387,7 +388,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             return $result;
         }
         if (!$this->start_transaction) {
-            $query = 'SET AUTOCOMMIT = 0';
+            $query = 'SET AUTOCOMMIT = 1';
             $result =& $this->_doQuery($query, true);
             if (PEAR::isError($result)) {
                 return $result;
@@ -418,7 +419,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             return $this->raiseError(MDB2_ERROR_INVALID, null, null,
                 'rollback cannot be done changes are auto committed', __FUNCTION__);
         }
-        if (!is_null($savepoint)) {
+        if (null !== $savepoint) {
             if (!$this->supports('savepoints')) {
                 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
                     'savepoints are not supported', __FUNCTION__);
@@ -433,7 +434,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             return $result;
         }
         if (!$this->start_transaction) {
-            $query = 'SET AUTOCOMMIT = 0';
+            $query = 'SET AUTOCOMMIT = 1';
             $result =& $this->_doQuery($query, true);
             if (PEAR::isError($result)) {
                 return $result;
@@ -590,7 +591,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
      */
     function setCharset($charset, $connection = null)
     {
-        if (is_null($connection)) {
+        if (null === $connection) {
             $connection = $this->getConnection();
             if (PEAR::isError($connection)) {
                 return $connection;
@@ -606,7 +607,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             ((50000 <= $client_info) && (50006 > $client_info)))
         ) {
             $query = "SET NAMES '".mysqli_real_escape_string($connection, $charset)."'";
-            if (!is_null($collation)) {
+            if (null !== $collation) {
                 $query .= " COLLATE '".mysqli_real_escape_string($connection, $collation)."'";
             }
             return $this->_doQuery($query, true, $connection);
@@ -673,8 +674,14 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             }
 
             if ($force) {
-                @mysqli_close($this->connection);
+                $ok = @mysqli_close($this->connection);
+                if (!$ok) {
+                    return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+                           null, null, null, __FUNCTION__);
+                }
             }
+        } else {
+            return false;
         }
         return parent::disconnect($force);
     }
@@ -742,13 +749,13 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             return $result;
         }
 
-        if (is_null($connection)) {
+        if (null === $connection) {
             $connection = $this->getConnection();
             if (PEAR::isError($connection)) {
                 return $connection;
             }
         }
-        if (is_null($database_name)) {
+        if (null === $database_name) {
             $database_name = $this->database_name;
         }
 
@@ -770,7 +777,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             $result = mysqli_query($connection, $query);
         }
 
-        if (!$result) {
+        if (!$result && 0 !== mysqli_errno($connection)) {
             $err =& $this->raiseError(null, null, null,
                 'Could not execute statement', __FUNCTION__);
             return $err;
@@ -807,7 +814,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
      */
     function _affectedRows($connection, $result = null)
     {
-        if (is_null($connection)) {
+        if (null === $connection) {
             $connection = $this->getConnection();
             if (PEAR::isError($connection)) {
                 return $connection;
@@ -946,7 +953,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
                     $this->supported['prepared_statements'] = true;
                 }
 
-                // SAVEPOINTS were introduced in MySQL 4.0.14 and 4.1.1 (InnoDB)
+                // SAVEPOINTs were introduced in MySQL 4.0.14 and 4.1.1 (InnoDB)
                 if (version_compare($server_version, '4.1.0', '>=')) {
                     if (version_compare($server_version, '4.1.1', '<')) {
                         $this->supported['savepoints'] = false;
@@ -988,7 +995,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
     function _skipUserDefinedVariable($query, $position)
     {
         $found = strpos(strrev(substr($query, 0, $position)), '@');
-        if ($found === false) {
+        if (false === $found) {
             return $position;
         }
         $pos = strlen($query) - strlen(substr($query, $position)) - $found - 1;
@@ -1025,6 +1032,12 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
      */
     function &prepare($query, $types = null, $result_types = null, $lobs = array())
     {
+        // connect to get server capabilities (http://pear.php.net/bugs/16147)
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
         if ($this->options['emulate_prepared']
             || $this->supported['prepared_statements'] !== true
         ) {
@@ -1060,7 +1073,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             } else {
                 break;
             }
-            if (is_null($placeholder_type)) {
+            if (null === $placeholder_type) {
                 $placeholder_type_guess = $query[$p_position];
             }
             
@@ -1081,7 +1094,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
             }
 
             if ($query[$position] == $placeholder_type_guess) {
-                if (is_null($placeholder_type)) {
+                if (null === $placeholder_type) {
                     $placeholder_type = $query[$p_position];
                     $question = $colon = $placeholder_type;
                 }
@@ -1103,10 +1116,6 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
                 $position = $p_position;
             }
         }
-        $connection = $this->getConnection();
-        if (PEAR::isError($connection)) {
-            return $connection;
-        }
 
         if (!$is_manip) {
             static $prep_statement_counter = 1;
@@ -1140,8 +1149,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
     /**
      * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
      * query, except that if there is already a row in the table with the same
-     * key field values, the REPLACE query just updates its values instead of
-     * inserting a new row.
+     * key field values, the old row is deleted before the new row is inserted.
      *
      * The REPLACE type of query does not make part of the SQL standards. Since
      * practically only MySQL implements it natively, this type of query is
@@ -1199,6 +1207,7 @@ class MDB2_Driver_mysqli extends MDB2_Driver_Common
      *
      *    Default: 0
      *
+     * @see http://dev.mysql.com/doc/refman/5.0/en/replace.html
      * @return mixed MDB2_OK on success, a MDB2 error on failure
      */
     function replace($table, $fields)
@@ -1357,7 +1366,7 @@ class MDB2_Result_mysqli extends MDB2_Result_Common
      */
     function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
     {
-        if (!is_null($rownum)) {
+        if (null !== $rownum) {
             $seek = $this->seek($rownum);
             if (PEAR::isError($seek)) {
                 return $seek;
@@ -1378,7 +1387,7 @@ class MDB2_Result_mysqli extends MDB2_Result_Common
         }
 
         if (!$row) {
-            if ($this->result === false) {
+            if (false === $this->result) {
                 $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
                     'resultset has already been freed', __FUNCTION__);
                 return $err;
@@ -1409,7 +1418,8 @@ class MDB2_Result_mysqli extends MDB2_Result_Common
             if ($object_class == 'stdClass') {
                 $row = (object) $row;
             } else {
-                $row = new $object_class($row);
+                $rowObj = new $object_class($row);
+                $row = $rowObj;
             }
         }
         ++$this->rownum;
@@ -1458,11 +1468,12 @@ class MDB2_Result_mysqli extends MDB2_Result_Common
     function numCols()
     {
         $cols = @mysqli_num_fields($this->result);
-        if (is_null($cols)) {
-            if ($this->result === false) {
+        if (null === $cols) {
+            if (false === $this->result) {
                 return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
                     'resultset has already been freed', __FUNCTION__);
-            } elseif (is_null($this->result)) {
+            }
+            if (null === $this->result) {
                 return count($this->types);
             }
             return $this->db->raiseError(null, null, null,
@@ -1510,13 +1521,16 @@ class MDB2_Result_mysqli extends MDB2_Result_Common
      */
     function free()
     {
-        if (is_object($this->result) && $this->db->connection) {
-            $free = @mysqli_free_result($this->result);
-            if ($free === false) {
-                return $this->db->raiseError(null, null, null,
-                    'Could not free result', __FUNCTION__);
+        do {
+            if (is_object($this->result) && $this->db->connection) {
+                $free = @mysqli_free_result($this->result);
+                if (false === $free) {
+                    return $this->db->raiseError(null, null, null,
+                        'Could not free result', __FUNCTION__);
+                }
             }
-        }
+        } while ($this->result = $this->nextResult());
+
         $this->result = false;
         return MDB2_OK;
     }
@@ -1544,10 +1558,11 @@ class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli
     function seek($rownum = 0)
     {
         if ($this->rownum != ($rownum - 1) && !@mysqli_data_seek($this->result, $rownum)) {
-            if ($this->result === false) {
+            if (false === $this->result) {
                 return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
                     'resultset has already been freed', __FUNCTION__);
-            } elseif (is_null($this->result)) {
+            }
+            if (null === $this->result) {
                 return MDB2_OK;
             }
             return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
@@ -1587,11 +1602,12 @@ class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli
     function numRows()
     {
         $rows = @mysqli_num_rows($this->result);
-        if (is_null($rows)) {
-            if ($this->result === false) {
+        if (null === $rows) {
+            if (false === $this->result) {
                 return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
                     'resultset has already been freed', __FUNCTION__);
-            } elseif (is_null($this->result)) {
+            }
+            if (null === $this->result) {
                 return 0;
             }
             return $this->db->raiseError(null, null, null,
@@ -1646,12 +1662,14 @@ class MDB2_Statement_mysqli extends MDB2_Statement_Common
      *
      * @param mixed $result_class string which specifies which result class to use
      * @param mixed $result_wrap_class string which specifies which class to wrap results in
-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     *
+     * @return mixed MDB2_Result or integer (affected rows) on success,
+     *               a MDB2 error on failure
      * @access private
      */
     function &_execute($result_class = true, $result_wrap_class = false)
     {
-        if (is_null($this->statement)) {
+        if (null === $this->statement) {
             $result =& parent::_execute($result_class, $result_wrap_class);
             return $result;
         }
@@ -1731,7 +1749,7 @@ class MDB2_Statement_mysqli extends MDB2_Statement_Common
                 $query.= ' USING @'.implode(', @', array_values($this->positions));
             } else {
                 $result = @call_user_func_array('mysqli_stmt_bind_param', $parameters);
-                if ($result === false) {
+                if (false === $result) {
                     $err =& $this->db->raiseError(null, null, null,
                         'Unable to bind parameters', __FUNCTION__);
                     return $err;
@@ -1813,7 +1831,7 @@ class MDB2_Statement_mysqli extends MDB2_Statement_Common
      */
     function free()
     {
-        if (is_null($this->positions)) {
+        if (null === $this->positions) {
             return $this->db->raiseError(MDB2_ERROR, null, null,
                 'Prepared statement has already been freed', __FUNCTION__);
         }
@@ -1824,7 +1842,7 @@ class MDB2_Statement_mysqli extends MDB2_Statement_Common
                 $result = $this->db->raiseError(null, null, null,
                     'Could not free statement', __FUNCTION__);
             }
-        } elseif (!is_null($this->statement)) {
+        } elseif (null !== $this->statement) {
             $connection = $this->db->getConnection();
             if (PEAR::isError($connection)) {
                 return $connection;
diff --git a/program/lib/MDB2/Driver/pgsql.php b/program/lib/MDB2/Driver/pgsql.php
index de27bae7d..ca2874d5a 100644
--- a/program/lib/MDB2/Driver/pgsql.php
+++ b/program/lib/MDB2/Driver/pgsql.php
@@ -1,1512 +1,1547 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Paul Cooper <pgc@ucecom.com>                                 |

-// +----------------------------------------------------------------------+

-//

-// $Id: pgsql.php,v 1.197 2008/03/08 14:18:39 quipo Exp $

-

-/**

- * MDB2 PostGreSQL driver

- *

- * @package MDB2

- * @category Database

- * @author  Paul Cooper <pgc@ucecom.com>

- */

-class MDB2_Driver_pgsql extends MDB2_Driver_Common

-{

-    // {{{ properties

-    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => '\\');

-

-    var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');

-    // }}}

-    // {{{ constructor

-

-    /**

-     * Constructor

-     */

-    function __construct()

-    {

-        parent::__construct();

-

-        $this->phptype = 'pgsql';

-        $this->dbsyntax = 'pgsql';

-

-        $this->supported['sequences'] = true;

-        $this->supported['indexes'] = true;

-        $this->supported['affected_rows'] = true;

-        $this->supported['summary_functions'] = true;

-        $this->supported['order_by_text'] = true;

-        $this->supported['transactions'] = true;

-        $this->supported['savepoints'] = true;

-        $this->supported['current_id'] = true;

-        $this->supported['limit_queries'] = true;

-        $this->supported['LOBs'] = true;

-        $this->supported['replace'] = 'emulated';

-        $this->supported['sub_selects'] = true;

-        $this->supported['triggers'] = true;

-        $this->supported['auto_increment'] = 'emulated';

-        $this->supported['primary_key'] = true;

-        $this->supported['result_introspection'] = true;

-        $this->supported['prepared_statements'] = true;

-        $this->supported['identifier_quoting'] = true;

-        $this->supported['pattern_escaping'] = true;

-        $this->supported['new_link'] = true;

-

-        $this->options['DBA_username'] = false;

-        $this->options['DBA_password'] = false;

-        $this->options['multi_query'] = false;

-        $this->options['disable_smart_seqname'] = false;

-        $this->options['max_identifiers_length'] = 63;

-    }

-

-    // }}}

-    // {{{ errorInfo()

-

-    /**

-     * This method is used to collect information about an error

-     *

-     * @param integer $error

-     * @return array

-     * @access public

-     */

-    function errorInfo($error = null)

-    {

-        // Fall back to MDB2_ERROR if there was no mapping.

-        $error_code = MDB2_ERROR;

-

-        $native_msg = '';

-        if (is_resource($error)) {

-            $native_msg = @pg_result_error($error);

-        } elseif ($this->connection) {

-            $native_msg = @pg_last_error($this->connection);

-            if (!$native_msg && @pg_connection_status($this->connection) === PGSQL_CONNECTION_BAD) {

-                $native_msg = 'Database connection has been lost.';

-                $error_code = MDB2_ERROR_CONNECT_FAILED;

-            }

-        } else {

-            $native_msg = @pg_last_error();

-        }

-

-        static $error_regexps;

-        if (empty($error_regexps)) {

-            $error_regexps = array(

-                '/column .* (of relation .*)?does not exist/i'

-                    => MDB2_ERROR_NOSUCHFIELD,

-                '/(relation|sequence|table).*does not exist|class .* not found/i'

-                    => MDB2_ERROR_NOSUCHTABLE,

-                '/database .* does not exist/'

-                    => MDB2_ERROR_NOT_FOUND,

-                '/index .* does not exist/'

-                    => MDB2_ERROR_NOT_FOUND,

-                '/database .* already exists/i'

-                    => MDB2_ERROR_ALREADY_EXISTS,

-                '/relation .* already exists/i'

-                    => MDB2_ERROR_ALREADY_EXISTS,

-                '/(divide|division) by zero$/i'

-                    => MDB2_ERROR_DIVZERO,

-                '/pg_atoi: error in .*: can\'t parse /i'

-                    => MDB2_ERROR_INVALID_NUMBER,

-                '/invalid input syntax for( type)? (integer|numeric)/i'

-                    => MDB2_ERROR_INVALID_NUMBER,

-                '/value .* is out of range for type \w*int/i'

-                    => MDB2_ERROR_INVALID_NUMBER,

-                '/integer out of range/i'

-                    => MDB2_ERROR_INVALID_NUMBER,

-                '/value too long for type character/i'

-                    => MDB2_ERROR_INVALID,

-                '/attribute .* not found|relation .* does not have attribute/i'

-                    => MDB2_ERROR_NOSUCHFIELD,

-                '/column .* specified in USING clause does not exist in (left|right) table/i'

-                    => MDB2_ERROR_NOSUCHFIELD,

-                '/parser: parse error at or near/i'

-                    => MDB2_ERROR_SYNTAX,

-                '/syntax error at/'

-                    => MDB2_ERROR_SYNTAX,

-                '/column reference .* is ambiguous/i'

-                    => MDB2_ERROR_SYNTAX,

-                '/permission denied/'

-                    => MDB2_ERROR_ACCESS_VIOLATION,

-                '/violates not-null constraint/'

-                    => MDB2_ERROR_CONSTRAINT_NOT_NULL,

-                '/violates [\w ]+ constraint/'

-                    => MDB2_ERROR_CONSTRAINT,

-                '/referential integrity violation/'

-                    => MDB2_ERROR_CONSTRAINT,

-                '/more expressions than target columns/i'

-                    => MDB2_ERROR_VALUE_COUNT_ON_ROW,

-            );

-        }

-        if (is_numeric($error) && $error < 0) {

-            $error_code = $error;

-        } else {

-            foreach ($error_regexps as $regexp => $code) {

-                if (preg_match($regexp, $native_msg)) {

-                    $error_code = $code;

-                    break;

-                }

-            }

-        }

-        return array($error_code, null, $native_msg);

-    }

-

-    // }}}

-    // {{{ escape()

-

-    /**

-     * Quotes a string so it can be safely used in a query. It will quote

-     * the text so it can safely be used within a query.

-     *

-     * @param   string  the input string to quote

-     * @param   bool    escape wildcards

-     *

-     * @return  string  quoted string

-     *

-     * @access  public

-     */

-    function escape($text, $escape_wildcards = false)

-    {

-        if ($escape_wildcards) {

-            $text = $this->escapePattern($text);

-        }

-        $connection = $this->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-        if (is_resource($connection) && version_compare(PHP_VERSION, '5.2.0RC5', '>=')) {

-            $text = @pg_escape_string($connection, $text);

-        } else {

-            $text = @pg_escape_string($text);

-        }

-        return $text;

-    }

-

-    // }}}

-    // {{{ beginTransaction()

-

-    /**

-     * Start a transaction or set a savepoint.

-     *

-     * @param   string  name of a savepoint to set

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function beginTransaction($savepoint = null)

-    {

-        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!is_null($savepoint)) {

-            if (!$this->in_transaction) {

-                return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                    'savepoint cannot be released when changes are auto committed', __FUNCTION__);

-            }

-            $query = 'SAVEPOINT '.$savepoint;

-            return $this->_doQuery($query, true);

-        } elseif ($this->in_transaction) {

-            return MDB2_OK;  //nothing to do

-        }

-        if (!$this->destructor_registered && $this->opened_persistent) {

-            $this->destructor_registered = true;

-            register_shutdown_function('MDB2_closeOpenTransactions');

-        }

-        $result =& $this->_doQuery('BEGIN', true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = true;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ commit()

-

-    /**

-     * Commit the database changes done during a transaction that is in

-     * progress or release a savepoint. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after committing the pending changes.

-     *

-     * @param   string  name of a savepoint to release

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function commit($savepoint = null)

-    {

-        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            $query = 'RELEASE SAVEPOINT '.$savepoint;

-            return $this->_doQuery($query, true);

-        }

-

-        $result =& $this->_doQuery('COMMIT', true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ rollback()

-

-    /**

-     * Cancel any database changes done during a transaction or since a specific

-     * savepoint that is in progress. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after canceling the pending changes.

-     *

-     * @param   string  name of a savepoint to rollback to

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function rollback($savepoint = null)

-    {

-        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'rollback cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;

-            return $this->_doQuery($query, true);

-        }

-

-        $query = 'ROLLBACK';

-        $result =& $this->_doQuery($query, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ function setTransactionIsolation()

-

-    /**

-     * Set the transacton isolation level.

-     *

-     * @param   string  standard isolation level

-     *                  READ UNCOMMITTED (allows dirty reads)

-     *                  READ COMMITTED (prevents dirty reads)

-     *                  REPEATABLE READ (prevents nonrepeatable reads)

-     *                  SERIALIZABLE (prevents phantom reads)

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     * @since   2.1.1

-     */

-    function setTransactionIsolation($isolation)

-    {

-        $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));

-        switch ($isolation) {

-        case 'READ UNCOMMITTED':

-        case 'READ COMMITTED':

-        case 'REPEATABLE READ':

-        case 'SERIALIZABLE':

-            break;

-        default:

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'isolation level is not supported: '.$isolation, __FUNCTION__);

-        }

-

-        $query = "SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL $isolation";

-        return $this->_doQuery($query, true);

-    }

-

-    // }}}

-    // {{{ _doConnect()

-

-    /**

-     * Do the grunt work of connecting to the database

-     *

-     * @return mixed connection resource on success, MDB2 Error Object on failure

-     * @access protected

-     */

-    function _doConnect($username, $password, $database_name, $persistent = false)

-    {

-        if (!PEAR::loadExtension($this->phptype)) {

-            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);

-        }

-        

-        if ($database_name == '') {

-            $database_name = 'template1';

-        }

-

-        $protocol = $this->dsn['protocol'] ? $this->dsn['protocol'] : 'tcp';

-

-        $params = array('');

-        if ($protocol == 'tcp') {

-            if ($this->dsn['hostspec']) {

-                $params[0].= 'host=' . $this->dsn['hostspec'];

-            }

-            if ($this->dsn['port']) {

-                $params[0].= ' port=' . $this->dsn['port'];

-            }

-        } elseif ($protocol == 'unix') {

-            // Allow for pg socket in non-standard locations.

-            if ($this->dsn['socket']) {

-                $params[0].= 'host=' . $this->dsn['socket'];

-            }

-            if ($this->dsn['port']) {

-                $params[0].= ' port=' . $this->dsn['port'];

-            }

-        }

-        if ($database_name) {

-            $params[0].= ' dbname=\'' . addslashes($database_name) . '\'';

-        }

-        if ($username) {

-            $params[0].= ' user=\'' . addslashes($username) . '\'';

-        }

-        if ($password) {

-            $params[0].= ' password=\'' . addslashes($password) . '\'';

-        }

-        if (!empty($this->dsn['options'])) {

-            $params[0].= ' options=' . $this->dsn['options'];

-        }

-        if (!empty($this->dsn['tty'])) {

-            $params[0].= ' tty=' . $this->dsn['tty'];

-        }

-        if (!empty($this->dsn['connect_timeout'])) {

-            $params[0].= ' connect_timeout=' . $this->dsn['connect_timeout'];

-        }

-        if (!empty($this->dsn['sslmode'])) {

-            $params[0].= ' sslmode=' . $this->dsn['sslmode'];

-        }

-        if (!empty($this->dsn['service'])) {

-            $params[0].= ' service=' . $this->dsn['service'];

-        }

-

-        if (!empty($this->dsn['new_link'])

-            && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true))

-        {

-            if (version_compare(phpversion(), '4.3.0', '>=')) {

-                $params[] = PGSQL_CONNECT_FORCE_NEW;

-            }

-        }

-

-        $connect_function = $persistent ? 'pg_pconnect' : 'pg_connect';

-        $connection = @call_user_func_array($connect_function, $params);

-        if (!$connection) {

-            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,

-                'unable to establish a connection', __FUNCTION__);

-        }

-

-       if (empty($this->dsn['disable_iso_date'])) {

-            if (!@pg_query($connection, "SET SESSION DATESTYLE = 'ISO'")) {

-                return $this->raiseError(null, null, null,

-                    'Unable to set date style to iso', __FUNCTION__);

-            }

-       }

-

-        if (!empty($this->dsn['charset'])) {

-            $result = $this->setCharset($this->dsn['charset'], $connection);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-        }

-

-        return $connection;

-    }

-

-    // }}}

-    // {{{ connect()

-

-    /**

-     * Connect to the database

-     *

-     * @return true on success, MDB2 Error Object on failure

-     * @access public

-     */

-    function connect()

-    {

-        if (is_resource($this->connection)) {

-            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0

-            if (MDB2::areEquals($this->connected_dsn, $this->dsn)

-                && $this->connected_database_name == $this->database_name

-                && ($this->opened_persistent == $this->options['persistent'])

-            ) {

-                return MDB2_OK;

-            }

-            $this->disconnect(false);

-        }

-

-        if ($this->database_name) {

-            $connection = $this->_doConnect($this->dsn['username'],

-                                            $this->dsn['password'],

-                                            $this->database_name,

-                                            $this->options['persistent']);

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-

-            $this->connection = $connection;

-            $this->connected_dsn = $this->dsn;

-            $this->connected_database_name = $this->database_name;

-            $this->opened_persistent = $this->options['persistent'];

-            $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;

-        }

-

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ setCharset()

-

-    /**

-     * Set the charset on the current connection

-     *

-     * @param string    charset

-     * @param resource  connection handle

-     *

-     * @return true on success, MDB2 Error Object on failure

-     */

-    function setCharset($charset, $connection = null)

-    {

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-        if (is_array($charset)) {

-            $charset   = array_shift($charset);

-            $this->warnings[] = 'postgresql does not support setting client collation';

-        }

-        $result = @pg_set_client_encoding($connection, $charset);

-        if ($result == -1) {

-            return $this->raiseError(null, null, null,

-                'Unable to set client charset: '.$charset, __FUNCTION__);

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ databaseExists()

-

-    /**

-     * check if given database name is exists?

-     *

-     * @param string $name    name of the database that should be checked

-     *

-     * @return mixed true/false on success, a MDB2 error on failure

-     * @access public

-     */

-    function databaseExists($name)

-    {

-        $res = $this->_doConnect($this->dsn['username'],

-                                 $this->dsn['password'],

-                                 $this->escape($name),

-                                 $this->options['persistent']);

-        if (!PEAR::isError($res)) {

-            return true;

-        }

-

-        return false;

-    }

-

-    // }}}

-    // {{{ disconnect()

-

-    /**

-     * Log out and disconnect from the database.

-     *

-     * @param  boolean $force if the disconnect should be forced even if the

-     *                        connection is opened persistently

-     * @return mixed true on success, false if not connected and error

-     *                object on error

-     * @access public

-     */

-    function disconnect($force = true)

-    {

-        if (is_resource($this->connection)) {

-            if ($this->in_transaction) {

-                $dsn = $this->dsn;

-                $database_name = $this->database_name;

-                $persistent = $this->options['persistent'];

-                $this->dsn = $this->connected_dsn;

-                $this->database_name = $this->connected_database_name;

-                $this->options['persistent'] = $this->opened_persistent;

-                $this->rollback();

-                $this->dsn = $dsn;

-                $this->database_name = $database_name;

-                $this->options['persistent'] = $persistent;

-            }

-

-            if (!$this->opened_persistent || $force) {

-                @pg_close($this->connection);

-            }

-        }

-        return parent::disconnect($force);

-    }

-

-    // }}}

-    // {{{ standaloneQuery()

-

-   /**

-     * execute a query as DBA

-     *

-     * @param string $query the SQL query

-     * @param mixed   $types  array that contains the types of the columns in

-     *                        the result set

-     * @param boolean $is_manip  if the query is a manipulation query

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function &standaloneQuery($query, $types = null, $is_manip = false)

-    {

-        $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];

-        $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];

-        $connection = $this->_doConnect($user, $pass, $this->database_name, $this->options['persistent']);

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $offset = $this->offset;

-        $limit = $this->limit;

-        $this->offset = $this->limit = 0;

-        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);

-

-        $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name);

-        if (!PEAR::isError($result)) {

-            if ($is_manip) {

-                $result =  $this->_affectedRows($connection, $result);

-            } else {

-                $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);

-            }

-        }

-

-        @pg_close($connection);

-        return $result;

-    }

-

-    // }}}

-    // {{{ _doQuery()

-

-    /**

-     * Execute a query

-     * @param string $query  query

-     * @param boolean $is_manip  if the query is a manipulation query

-     * @param resource $connection

-     * @param string $database_name

-     * @return result or error object

-     * @access protected

-     */

-    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)

-    {

-        $this->last_query = $query;

-        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));

-        if ($result) {

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            $query = $result;

-        }

-        if ($this->options['disable_query']) {

-            $result = $is_manip ? 0 : null;

-            return $result;

-        }

-

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-

-        $function = $this->options['multi_query'] ? 'pg_send_query' : 'pg_query';

-        $result = @$function($connection, $query);

-        if (!$result) {

-            $err =& $this->raiseError(null, null, null,

-                'Could not execute statement', __FUNCTION__);

-            return $err;

-        } elseif ($this->options['multi_query']) {

-            if (!($result = @pg_get_result($connection))) {

-                $err =& $this->raiseError(null, null, null,

-                        'Could not get the first result from a multi query', __FUNCTION__);

-                return $err;

-            }

-        }

-

-        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));

-        return $result;

-    }

-

-    // }}}

-    // {{{ _affectedRows()

-

-    /**

-     * Returns the number of rows affected

-     *

-     * @param resource $result

-     * @param resource $connection

-     * @return mixed MDB2 Error Object or the number of rows affected

-     * @access private

-     */

-    function _affectedRows($connection, $result = null)

-    {

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-        return @pg_affected_rows($result);

-    }

-

-    // }}}

-    // {{{ _modifyQuery()

-

-    /**

-     * Changes a query string for various DBMS specific reasons

-     *

-     * @param string $query  query to modify

-     * @param boolean $is_manip  if it is a DML query

-     * @param integer $limit  limit the number of rows

-     * @param integer $offset  start reading from given offset

-     * @return string modified query

-     * @access protected

-     */

-    function _modifyQuery($query, $is_manip, $limit, $offset)

-    {

-        if ($limit > 0

-            && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)

-        ) {

-            $query = rtrim($query);

-            if (substr($query, -1) == ';') {

-                $query = substr($query, 0, -1);

-            }

-            if ($is_manip) {

-                $query = $this->_modifyManipQuery($query, $limit);

-            } else {

-                $query.= " LIMIT $limit OFFSET $offset";

-            }

-        }

-        return $query;

-    }

-    

-    // }}}

-    // {{{ _modifyManipQuery()

-    

-    /**

-     * Changes a manip query string for various DBMS specific reasons

-     *

-     * @param string $query  query to modify

-     * @param integer $limit  limit the number of rows

-     * @return string modified query

-     * @access protected

-     */

-    function _modifyManipQuery($query, $limit)

-    {

-        $pos = strpos(strtolower($query), 'where');

-        $where = $pos ? substr($query, $pos) : '';

-

-        $manip_clause = '(\bDELETE\b\s+(?:\*\s+)?\bFROM\b|\bUPDATE\b)';

-        $from_clause  = '([\w\.]+)';

-        $where_clause = '(?:(.*)\bWHERE\b\s+(.*))|(.*)';

-        $pattern = '/^'. $manip_clause . '\s+' . $from_clause .'(?:\s)*(?:'. $where_clause .')?$/i';

-        $matches = preg_match($pattern, $query, $match);

-        if ($matches) {

-            $manip = $match[1];

-            $from  = $match[2];

-            $what  = (count($matches) == 6) ? $match[5] : $match[3];

-            return $manip.' '.$from.' '.$what.' WHERE ctid=(SELECT ctid FROM '.$from.' '.$where.' LIMIT '.$limit.')';

-        }

-        //return error?

-        return $query;

-    }

-

-    // }}}

-    // {{{ getServerVersion()

-

-    /**

-     * return version information about the server

-     *

-     * @param bool   $native  determines if the raw version string should be returned

-     * @return mixed array/string with version information or MDB2 error object

-     * @access public

-     */

-    function getServerVersion($native = false)

-    {

-        $query = 'SHOW SERVER_VERSION';

-        if ($this->connected_server_info) {

-            $server_info = $this->connected_server_info;

-        } else {

-            $server_info = $this->queryOne($query, 'text');

-            if (PEAR::isError($server_info)) {

-                return $server_info;

-            }

-        }

-        // cache server_info

-        $this->connected_server_info = $server_info;

-        if (!$native && !PEAR::isError($server_info)) {

-            $tmp = explode('.', $server_info, 3);

-            if (empty($tmp[2])

-                && isset($tmp[1])

-                && preg_match('/(\d+)(.*)/', $tmp[1], $tmp2)

-            ) {

-                $server_info = array(

-                    'major' => $tmp[0],

-                    'minor' => $tmp2[1],

-                    'patch' => null,

-                    'extra' => $tmp2[2],

-                    'native' => $server_info,

-                );

-            } else {

-                $server_info = array(

-                    'major' => isset($tmp[0]) ? $tmp[0] : null,

-                    'minor' => isset($tmp[1]) ? $tmp[1] : null,

-                    'patch' => isset($tmp[2]) ? $tmp[2] : null,

-                    'extra' => null,

-                    'native' => $server_info,

-                );

-            }

-        }

-        return $server_info;

-    }

-

-    // }}}

-    // {{{ prepare()

-

-    /**

-     * Prepares a query for multiple execution with execute().

-     * With some database backends, this is emulated.

-     * prepare() requires a generic query as string like

-     * 'INSERT INTO numbers VALUES(?,?)' or

-     * 'INSERT INTO numbers VALUES(:foo,:bar)'.

-     * The ? and :name and are placeholders which can be set using

-     * bindParam() and the query can be sent off using the execute() method.

-     * The allowed format for :name can be set with the 'bindname_format' option.

-     *

-     * @param string $query the query to prepare

-     * @param mixed   $types  array that contains the types of the placeholders

-     * @param mixed   $result_types  array that contains the types of the columns in

-     *                        the result set or MDB2_PREPARE_RESULT, if set to

-     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query

-     * @param mixed   $lobs   key (field) value (parameter) pair for all lob placeholders

-     * @return mixed resource handle for the prepared query on success, a MDB2

-     *        error on failure

-     * @access public

-     * @see bindParam, execute

-     */

-    function &prepare($query, $types = null, $result_types = null, $lobs = array())

-    {

-        if ($this->options['emulate_prepared']) {

-            $obj =& parent::prepare($query, $types, $result_types, $lobs);

-            return $obj;

-        }

-        $is_manip = ($result_types === MDB2_PREPARE_MANIP);

-        $offset = $this->offset;

-        $limit = $this->limit;

-        $this->offset = $this->limit = 0;

-        $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));

-        if ($result) {

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            $query = $result;

-        }

-        $pgtypes = function_exists('pg_prepare') ? false : array();

-        if ($pgtypes !== false && !empty($types)) {

-            $this->loadModule('Datatype', null, true);

-        }

-        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);

-        $placeholder_type_guess = $placeholder_type = null;

-        $question = '?';

-        $colon = ':';

-        $positions = array();

-        $position = $parameter = 0;

-        while ($position < strlen($query)) {

-            $q_position = strpos($query, $question, $position);

-            $c_position = strpos($query, $colon, $position);

-            //skip "::type" cast ("select id::varchar(20) from sometable where name=?")

-            $doublecolon_position = strpos($query, '::', $position);

-            if ($doublecolon_position !== false && $doublecolon_position == $c_position) {

-                $c_position = strpos($query, $colon, $position+2);

-            }

-            if ($q_position && $c_position) {

-                $p_position = min($q_position, $c_position);

-            } elseif ($q_position) {

-                $p_position = $q_position;

-            } elseif ($c_position) {

-                $p_position = $c_position;

-            } else {

-                break;

-            }

-            if (is_null($placeholder_type)) {

-                $placeholder_type_guess = $query[$p_position];

-            }

-            

-            $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);

-            if (PEAR::isError($new_pos)) {

-                return $new_pos;

-            }

-            if ($new_pos != $position) {

-                $position = $new_pos;

-                continue; //evaluate again starting from the new position

-            }

-

-            if ($query[$position] == $placeholder_type_guess) {

-                if (is_null($placeholder_type)) {

-                    $placeholder_type = $query[$p_position];

-                    $question = $colon = $placeholder_type;

-                    if (!empty($types) && is_array($types)) {

-                        if ($placeholder_type == ':') {

-                        } else {

-                            $types = array_values($types);

-                        }

-                    }

-                }

-                if ($placeholder_type_guess == '?') {

-                    $length = 1;

-                    $name = $parameter;

-                } else {

-                    $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';

-                    $param = preg_replace($regexp, '\\1', $query);

-                    if ($param === '') {

-                        $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,

-                            'named parameter name must match "bindname_format" option', __FUNCTION__);

-                        return $err;

-                    }

-                    $length = strlen($param) + 1;

-                    $name = $param;

-                }

-                if ($pgtypes !== false) {

-                    if (is_array($types) && array_key_exists($name, $types)) {

-                        $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$name]);

-                    } elseif (is_array($types) && array_key_exists($parameter, $types)) {

-                        $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$parameter]);

-                    } else {

-                        $pgtypes[] = 'text';

-                    }

-                }

-                if (($key_parameter = array_search($name, $positions))) {

-                    $next_parameter = 1;

-                    foreach ($positions as $key => $value) {

-                        if ($key_parameter == $key) {

-                            break;

-                        }

-                        ++$next_parameter;

-                    }

-                } else {

-                    ++$parameter;

-                    $next_parameter = $parameter;

-                    $positions[] = $name;

-                }

-                $query = substr_replace($query, '$'.$parameter, $position, $length);

-                $position = $p_position + strlen($parameter);

-            } else {

-                $position = $p_position;

-            }

-        }

-        $connection = $this->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-        static $prep_statement_counter = 1;

-        $statement_name = sprintf($this->options['statement_format'], $this->phptype, $prep_statement_counter++ . sha1(microtime() + mt_rand()));

-        $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']);

-        if ($pgtypes === false) {

-            $result = @pg_prepare($connection, $statement_name, $query);

-            if (!$result) {

-                $err =& $this->raiseError(null, null, null,

-                    'Unable to create prepared statement handle', __FUNCTION__);

-                return $err;

-            }

-        } else {

-            $types_string = '';

-            if ($pgtypes) {

-                $types_string = ' ('.implode(', ', $pgtypes).') ';

-            }

-            $query = 'PREPARE '.$statement_name.$types_string.' AS '.$query;

-            $statement =& $this->_doQuery($query, true, $connection);

-            if (PEAR::isError($statement)) {

-                return $statement;

-            }

-        }

-

-        $class_name = 'MDB2_Statement_'.$this->phptype;

-        $obj = new $class_name($this, $statement_name, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);

-        $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));

-        return $obj;

-    }

-

-    // }}}

-    // {{{ function getSequenceName($sqn)

-

-    /**

-     * adds sequence name formatting to a sequence name

-     *

-     * @param   string  name of the sequence

-     *

-     * @return  string  formatted sequence name

-     *

-     * @access  public

-     */

-    function getSequenceName($sqn)

-    {

-        if (false === $this->options['disable_smart_seqname']) {

-            if (strpos($sqn, '_') !== false) {

-                list($table, $field) = explode('_', $sqn, 2);

-            }

-            $schema_list = $this->queryOne("SELECT array_to_string(current_schemas(false), ',')");

-            if (PEAR::isError($schema_list) || empty($schema_list) || count($schema_list) < 2) {

-                $order_by = ' a.attnum';

-                $schema_clause = ' AND n.nspname=current_schema()';

-            } else {

-                $schemas = explode(',', $schema_list);

-                $schema_clause = ' AND n.nspname IN ('.$schema_list.')';

-                $counter = 1;

-                $order_by = ' CASE ';

-                foreach ($schemas as $schema) {

-                    $order_by .= ' WHEN n.nspname='.$schema.' THEN '.$counter++;

-                }

-                $order_by .= ' ELSE '.$counter.' END, a.attnum';

-            }

-

-            $query = "SELECT substring((SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)

-                    	    FROM pg_attrdef d

-                    	   WHERE d.adrelid = a.attrelid

-                    	     AND d.adnum = a.attnum

-                    	     AND a.atthasdef

-                    	 ) FROM 'nextval[^'']*''([^'']*)')

-                        FROM pg_attribute a

-                    LEFT JOIN pg_class c ON c.oid = a.attrelid

-                    LEFT JOIN pg_attrdef d ON d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef

-                    LEFT JOIN pg_namespace n ON c.relnamespace = n.oid

-                       WHERE (c.relname = ".$this->quote($sqn, 'text');

-            if (!empty($field)) {

-                $query .= " OR (c.relname = ".$this->quote($table, 'text')." AND a.attname = ".$this->quote($field, 'text').")";

-            }

-            $query .= "      )"

-                         .$schema_clause."

-                         AND NOT a.attisdropped

-                         AND a.attnum > 0

-                         AND pg_get_expr(d.adbin, d.adrelid) LIKE 'nextval%'

-                    ORDER BY ".$order_by;

-            $seqname = $this->queryOne($query);

-            if (!PEAR::isError($seqname) && !empty($seqname) && is_string($seqname)) {

-                return $seqname;

-            }

-        }

-

-        return sprintf($this->options['seqname_format'],

-            preg_replace('/[^\w\$.]/i', '_', $sqn));

-    }

-

-    // }}}

-    // {{{ nextID()

-

-    /**

-     * Returns the next free id of a sequence

-     *

-     * @param string $seq_name name of the sequence

-     * @param boolean $ondemand when true the sequence is

-     *                          automatic created, if it

-     *                          not exists

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function nextID($seq_name, $ondemand = true)

-    {

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

-        $query = "SELECT NEXTVAL('$sequence_name')";

-        $this->pushErrorHandling(PEAR_ERROR_RETURN);

-        $this->expectError(MDB2_ERROR_NOSUCHTABLE);

-        $result = $this->queryOne($query, 'integer');

-        $this->popExpect();

-        $this->popErrorHandling();

-        if (PEAR::isError($result)) {

-            if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {

-                $this->loadModule('Manager', null, true);

-                $result = $this->manager->createSequence($seq_name);

-                if (PEAR::isError($result)) {

-                    return $this->raiseError($result, null, null,

-                        'on demand sequence could not be created', __FUNCTION__);

-                }

-                return $this->nextId($seq_name, false);

-            }

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ lastInsertID()

-

-    /**

-     * Returns the autoincrement ID if supported or $id or fetches the current

-     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)

-     *

-     * @param string $table name of the table into which a new row was inserted

-     * @param string $field name of the field into which a new row was inserted

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function lastInsertID($table = null, $field = null)

-    {

-        if (empty($table) && empty($field)) {

-            return $this->queryOne('SELECT lastval()', 'integer');

-        }

-        $seq = $table.(empty($field) ? '' : '_'.$field);

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq), true);

-        return $this->queryOne("SELECT currval('$sequence_name')", 'integer');

-    }

-

-    // }}}

-    // {{{ currID()

-

-    /**

-     * Returns the current id of a sequence

-     *

-     * @param string $seq_name name of the sequence

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function currID($seq_name)

-    {

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

-        return $this->queryOne("SELECT last_value FROM $sequence_name", 'integer');

-    }

-}

-

-/**

- * MDB2 PostGreSQL result driver

- *

- * @package MDB2

- * @category Database

- * @author  Paul Cooper <pgc@ucecom.com>

- */

-class MDB2_Result_pgsql extends MDB2_Result_Common

-{

-    // }}}

-    // {{{ fetchRow()

-

-    /**

-     * Fetch a row and insert the data into an existing array.

-     *

-     * @param int       $fetchmode  how the array data should be indexed

-     * @param int    $rownum    number of the row where the data can be found

-     * @return int data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)

-    {

-        if (!is_null($rownum)) {

-            $seek = $this->seek($rownum);

-            if (PEAR::isError($seek)) {

-                return $seek;

-            }

-        }

-        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {

-            $fetchmode = $this->db->fetchmode;

-        }

-        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {

-            $row = @pg_fetch_array($this->result, null, PGSQL_ASSOC);

-            if (is_array($row)

-                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE

-            ) {

-                $row = array_change_key_case($row, $this->db->options['field_case']);

-            }

-        } else {

-            $row = @pg_fetch_row($this->result);

-        }

-        if (!$row) {

-            if ($this->result === false) {

-                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-                return $err;

-            }

-            $null = null;

-            return $null;

-        }

-        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;

-        $rtrim = false;

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {

-            if (empty($this->types)) {

-                $mode += MDB2_PORTABILITY_RTRIM;

-            } else {

-                $rtrim = true;

-            }

-        }

-        if ($mode) {

-            $this->db->_fixResultArrayValues($row, $mode);

-        }

-        if (!empty($this->types)) {

-            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);

-        }

-        if (!empty($this->values)) {

-            $this->_assignBindColumns($row);

-        }

-        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {

-            $object_class = $this->db->options['fetch_class'];

-            if ($object_class == 'stdClass') {

-                $row = (object) $row;

-            } else {

-                $row = new $object_class($row);

-            }

-        }

-        ++$this->rownum;

-        return $row;

-    }

-

-    // }}}

-    // {{{ _getColumnNames()

-

-    /**

-     * Retrieve the names of columns returned by the DBMS in a query result.

-     *

-     * @return  mixed   Array variable that holds the names of columns as keys

-     *                  or an MDB2 error on failure.

-     *                  Some DBMS may not return any columns when the result set

-     *                  does not contain any rows.

-     * @access private

-     */

-    function _getColumnNames()

-    {

-        $columns = array();

-        $numcols = $this->numCols();

-        if (PEAR::isError($numcols)) {

-            return $numcols;

-        }

-        for ($column = 0; $column < $numcols; $column++) {

-            $column_name = @pg_field_name($this->result, $column);

-            $columns[$column_name] = $column;

-        }

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $columns = array_change_key_case($columns, $this->db->options['field_case']);

-        }

-        return $columns;

-    }

-

-    // }}}

-    // {{{ numCols()

-

-    /**

-     * Count the number of columns returned by the DBMS in a query result.

-     *

-     * @access public

-     * @return mixed integer value with the number of columns, a MDB2 error

-     *                       on failure

-     */

-    function numCols()

-    {

-        $cols = @pg_num_fields($this->result);

-        if (is_null($cols)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return count($this->types);

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get column count', __FUNCTION__);

-        }

-        return $cols;

-    }

-

-    // }}}

-    // {{{ nextResult()

-

-    /**

-     * Move the internal result pointer to the next available result

-     *

-     * @return true on success, false if there is no more result set or an error object on failure

-     * @access public

-     */

-    function nextResult()

-    {

-        $connection = $this->db->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        if (!($this->result = @pg_get_result($connection))) {

-            return false;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ free()

-

-    /**

-     * Free the internal resources associated with result.

-     *

-     * @return boolean true on success, false if result is invalid

-     * @access public

-     */

-    function free()

-    {

-        if (is_resource($this->result) && $this->db->connection) {

-            $free = @pg_free_result($this->result);

-            if ($free === false) {

-                return $this->db->raiseError(null, null, null,

-                    'Could not free result', __FUNCTION__);

-            }

-        }

-        $this->result = false;

-        return MDB2_OK;

-    }

-}

-

-/**

- * MDB2 PostGreSQL buffered result driver

- *

- * @package MDB2

- * @category Database

- * @author  Paul Cooper <pgc@ucecom.com>

- */

-class MDB2_BufferedResult_pgsql extends MDB2_Result_pgsql

-{

-    // {{{ seek()

-

-    /**

-     * Seek to a specific row in a result set

-     *

-     * @param int    $rownum    number of the row where the data can be found

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function seek($rownum = 0)

-    {

-        if ($this->rownum != ($rownum - 1) && !@pg_result_seek($this->result, $rownum)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return MDB2_OK;

-            }

-            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,

-                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);

-        }

-        $this->rownum = $rownum - 1;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ valid()

-

-    /**

-     * Check if the end of the result set has been reached

-     *

-     * @return mixed true or false on sucess, a MDB2 error on failure

-     * @access public

-     */

-    function valid()

-    {

-        $numrows = $this->numRows();

-        if (PEAR::isError($numrows)) {

-            return $numrows;

-        }

-        return $this->rownum < ($numrows - 1);

-    }

-

-    // }}}

-    // {{{ numRows()

-

-    /**

-     * Returns the number of rows in a result object

-     *

-     * @return mixed MDB2 Error Object or the number of rows

-     * @access public

-     */

-    function numRows()

-    {

-        $rows = @pg_num_rows($this->result);

-        if (is_null($rows)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return 0;

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get row count', __FUNCTION__);

-        }

-        return $rows;

-    }

-}

-

-/**

- * MDB2 PostGreSQL statement driver

- *

- * @package MDB2

- * @category Database

- * @author  Paul Cooper <pgc@ucecom.com>

- */

-class MDB2_Statement_pgsql extends MDB2_Statement_Common

-{

-    // {{{ _execute()

-

-    /**

-     * Execute a prepared query statement helper method.

-     *

-     * @param mixed $result_class string which specifies which result class to use

-     * @param mixed $result_wrap_class string which specifies which class to wrap results in

-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

-     * @access private

-     */

-    function &_execute($result_class = true, $result_wrap_class = false)

-    {

-        if (is_null($this->statement)) {

-            $result =& parent::_execute($result_class, $result_wrap_class);

-            return $result;

-        }

-        $this->db->last_query = $this->query;

-        $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));

-        if ($this->db->getOption('disable_query')) {

-            $result = $this->is_manip ? 0 : null;

-            return $result;

-        }

-

-        $connection = $this->db->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $query = false;

-        $parameters = array();

-        // todo: disabled until pg_execute() bytea issues are cleared up

-        if (true || !function_exists('pg_execute')) {

-            $query = 'EXECUTE '.$this->statement;

-        }

-        if (!empty($this->positions)) {

-            foreach ($this->positions as $parameter) {

-                if (!array_key_exists($parameter, $this->values)) {

-                    return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);

-                }

-                $value = $this->values[$parameter];

-                $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;

-                if (is_resource($value) || $type == 'clob' || $type == 'blob' || $this->db->options['lob_allow_url_include']) {

-                    if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {

-                        if ($match[1] == 'file://') {

-                            $value = $match[2];

-                        }

-                        $value = @fopen($value, 'r');

-                        $close = true;

-                    }

-                    if (is_resource($value)) {

-                        $data = '';

-                        while (!@feof($value)) {

-                            $data.= @fread($value, $this->db->options['lob_buffer_length']);

-                        }

-                        if ($close) {

-                            @fclose($value);

-                        }

-                        $value = $data;

-                    }

-                }

-                $quoted = $this->db->quote($value, $type, $query);

-                if (PEAR::isError($quoted)) {

-                    return $quoted;

-                }

-                $parameters[] = $quoted;

-            }

-            if ($query) {

-                $query.= ' ('.implode(', ', $parameters).')';

-            }

-        }

-

-        if (!$query) {

-            $result = @pg_execute($connection, $this->statement, $parameters);

-            if (!$result) {

-                $err =& $this->db->raiseError(null, null, null,

-                    'Unable to execute statement', __FUNCTION__);

-                return $err;

-            }

-        } else {

-            $result = $this->db->_doQuery($query, $this->is_manip, $connection);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-        }

-

-        if ($this->is_manip) {

-            $affected_rows = $this->db->_affectedRows($connection, $result);

-            return $affected_rows;

-        }

-

-        $result =& $this->db->_wrapResult($result, $this->result_types,

-            $result_class, $result_wrap_class, $this->limit, $this->offset);

-        $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));

-        return $result;

-    }

-

-    // }}}

-    // {{{ free()

-

-    /**

-     * Release resources allocated for the specified prepared query.

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function free()

-    {

-        if (is_null($this->positions)) {

-            return $this->db->raiseError(MDB2_ERROR, null, null,

-                'Prepared statement has already been freed', __FUNCTION__);

-        }

-        $result = MDB2_OK;

-

-        if (!is_null($this->statement)) {

-            $connection = $this->db->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-            $query = 'DEALLOCATE PREPARE '.$this->statement;

-            $result = $this->db->_doQuery($query, true, $connection);

-        }

-

-        parent::free();

-        return $result;

-    }

-}

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com>                                 |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+
+/**
+ * MDB2 PostGreSQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_pgsql extends MDB2_Driver_Common
+{
+    // {{{ properties
+    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => '\\');
+
+    var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
+    // }}}
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        parent::__construct();
+
+        $this->phptype = 'pgsql';
+        $this->dbsyntax = 'pgsql';
+
+        $this->supported['sequences'] = true;
+        $this->supported['indexes'] = true;
+        $this->supported['affected_rows'] = true;
+        $this->supported['summary_functions'] = true;
+        $this->supported['order_by_text'] = true;
+        $this->supported['transactions'] = true;
+        $this->supported['savepoints'] = true;
+        $this->supported['current_id'] = true;
+        $this->supported['limit_queries'] = true;
+        $this->supported['LOBs'] = true;
+        $this->supported['replace'] = 'emulated';
+        $this->supported['sub_selects'] = true;
+        $this->supported['triggers'] = true;
+        $this->supported['auto_increment'] = 'emulated';
+        $this->supported['primary_key'] = true;
+        $this->supported['result_introspection'] = true;
+        $this->supported['prepared_statements'] = true;
+        $this->supported['identifier_quoting'] = true;
+        $this->supported['pattern_escaping'] = true;
+        $this->supported['new_link'] = true;
+
+        $this->options['DBA_username'] = false;
+        $this->options['DBA_password'] = false;
+        $this->options['multi_query'] = false;
+        $this->options['disable_smart_seqname'] = true;
+        $this->options['max_identifiers_length'] = 63;
+    }
+
+    // }}}
+    // {{{ errorInfo()
+
+    /**
+     * This method is used to collect information about an error
+     *
+     * @param integer $error
+     * @return array
+     * @access public
+     */
+    function errorInfo($error = null)
+    {
+        // Fall back to MDB2_ERROR if there was no mapping.
+        $error_code = MDB2_ERROR;
+
+        $native_msg = '';
+        if (is_resource($error)) {
+            $native_msg = @pg_result_error($error);
+        } elseif ($this->connection) {
+            $native_msg = @pg_last_error($this->connection);
+            if (!$native_msg && @pg_connection_status($this->connection) === PGSQL_CONNECTION_BAD) {
+                $native_msg = 'Database connection has been lost.';
+                $error_code = MDB2_ERROR_CONNECT_FAILED;
+            }
+        } else {
+            $native_msg = @pg_last_error();
+        }
+
+        static $error_regexps;
+        if (empty($error_regexps)) {
+            $error_regexps = array(
+                '/column .* (of relation .*)?does not exist/i'
+                    => MDB2_ERROR_NOSUCHFIELD,
+                '/(relation|sequence|table).*does not exist|class .* not found/i'
+                    => MDB2_ERROR_NOSUCHTABLE,
+                '/database .* does not exist/'
+                    => MDB2_ERROR_NOT_FOUND,
+                '/constraint .* does not exist/'
+                    => MDB2_ERROR_NOT_FOUND,
+                '/index .* does not exist/'
+                    => MDB2_ERROR_NOT_FOUND,
+                '/database .* already exists/i'
+                    => MDB2_ERROR_ALREADY_EXISTS,
+                '/relation .* already exists/i'
+                    => MDB2_ERROR_ALREADY_EXISTS,
+                '/(divide|division) by zero$/i'
+                    => MDB2_ERROR_DIVZERO,
+                '/pg_atoi: error in .*: can\'t parse /i'
+                    => MDB2_ERROR_INVALID_NUMBER,
+                '/invalid input syntax for( type)? (integer|numeric)/i'
+                    => MDB2_ERROR_INVALID_NUMBER,
+                '/value .* is out of range for type \w*int/i'
+                    => MDB2_ERROR_INVALID_NUMBER,
+                '/integer out of range/i'
+                    => MDB2_ERROR_INVALID_NUMBER,
+                '/value too long for type character/i'
+                    => MDB2_ERROR_INVALID,
+                '/attribute .* not found|relation .* does not have attribute/i'
+                    => MDB2_ERROR_NOSUCHFIELD,
+                '/column .* specified in USING clause does not exist in (left|right) table/i'
+                    => MDB2_ERROR_NOSUCHFIELD,
+                '/parser: parse error at or near/i'
+                    => MDB2_ERROR_SYNTAX,
+                '/syntax error at/'
+                    => MDB2_ERROR_SYNTAX,
+                '/column reference .* is ambiguous/i'
+                    => MDB2_ERROR_SYNTAX,
+                '/permission denied/'
+                    => MDB2_ERROR_ACCESS_VIOLATION,
+                '/violates not-null constraint/'
+                    => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+                '/violates [\w ]+ constraint/'
+                    => MDB2_ERROR_CONSTRAINT,
+                '/referential integrity violation/'
+                    => MDB2_ERROR_CONSTRAINT,
+                '/more expressions than target columns/i'
+                    => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+            );
+        }
+        if (is_numeric($error) && $error < 0) {
+            $error_code = $error;
+        } else {
+            foreach ($error_regexps as $regexp => $code) {
+                if (preg_match($regexp, $native_msg)) {
+                    $error_code = $code;
+                    break;
+                }
+            }
+        }
+        return array($error_code, null, $native_msg);
+    }
+
+    // }}}
+    // {{{ escape()
+
+    /**
+     * Quotes a string so it can be safely used in a query. It will quote
+     * the text so it can safely be used within a query.
+     *
+     * @param   string  the input string to quote
+     * @param   bool    escape wildcards
+     *
+     * @return  string  quoted string
+     *
+     * @access  public
+     */
+    function escape($text, $escape_wildcards = false)
+    {
+        if ($escape_wildcards) {
+            $text = $this->escapePattern($text);
+        }
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+        if (is_resource($connection) && version_compare(PHP_VERSION, '5.2.0RC5', '>=')) {
+            $text = @pg_escape_string($connection, $text);
+        } else {
+            $text = @pg_escape_string($text);
+        }
+        return $text;
+    }
+
+    // }}}
+    // {{{ beginTransaction()
+
+    /**
+     * Start a transaction or set a savepoint.
+     *
+     * @param   string  name of a savepoint to set
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function beginTransaction($savepoint = null)
+    {
+        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (null !== $savepoint) {
+            if (!$this->in_transaction) {
+                return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                    'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+            }
+            $query = 'SAVEPOINT '.$savepoint;
+            return $this->_doQuery($query, true);
+        }
+        if ($this->in_transaction) {
+            return MDB2_OK;  //nothing to do
+        }
+        if (!$this->destructor_registered && $this->opened_persistent) {
+            $this->destructor_registered = true;
+            register_shutdown_function('MDB2_closeOpenTransactions');
+        }
+        $result =& $this->_doQuery('BEGIN', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = true;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ commit()
+
+    /**
+     * Commit the database changes done during a transaction that is in
+     * progress or release a savepoint. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after committing the pending changes.
+     *
+     * @param   string  name of a savepoint to release
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function commit($savepoint = null)
+    {
+        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            $query = 'RELEASE SAVEPOINT '.$savepoint;
+            return $this->_doQuery($query, true);
+        }
+
+        $result =& $this->_doQuery('COMMIT', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ rollback()
+
+    /**
+     * Cancel any database changes done during a transaction or since a specific
+     * savepoint that is in progress. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after canceling the pending changes.
+     *
+     * @param   string  name of a savepoint to rollback to
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function rollback($savepoint = null)
+    {
+        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'rollback cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
+            return $this->_doQuery($query, true);
+        }
+
+        $query = 'ROLLBACK';
+        $result =& $this->_doQuery($query, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ function setTransactionIsolation()
+
+    /**
+     * Set the transacton isolation level.
+     *
+     * @param   string  standard isolation level
+     *                  READ UNCOMMITTED (allows dirty reads)
+     *                  READ COMMITTED (prevents dirty reads)
+     *                  REPEATABLE READ (prevents nonrepeatable reads)
+     *                  SERIALIZABLE (prevents phantom reads)
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     * @since   2.1.1
+     */
+    function setTransactionIsolation($isolation)
+    {
+        $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+        switch ($isolation) {
+        case 'READ UNCOMMITTED':
+        case 'READ COMMITTED':
+        case 'REPEATABLE READ':
+        case 'SERIALIZABLE':
+            break;
+        default:
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'isolation level is not supported: '.$isolation, __FUNCTION__);
+        }
+
+        $query = "SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL $isolation";
+        return $this->_doQuery($query, true);
+    }
+
+    // }}}
+    // {{{ _doConnect()
+
+    /**
+     * Do the grunt work of connecting to the database
+     *
+     * @return mixed connection resource on success, MDB2 Error Object on failure
+     * @access protected
+     */
+    function _doConnect($username, $password, $database_name, $persistent = false)
+    {
+        if (!PEAR::loadExtension($this->phptype)) {
+            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+        }
+        
+        if ($database_name == '') {
+            $database_name = 'template1';
+        }
+
+        $protocol = $this->dsn['protocol'] ? $this->dsn['protocol'] : 'tcp';
+
+        $params = array('');
+        if ($protocol == 'tcp') {
+            if ($this->dsn['hostspec']) {
+                $params[0].= 'host=' . $this->dsn['hostspec'];
+            }
+            if ($this->dsn['port']) {
+                $params[0].= ' port=' . $this->dsn['port'];
+            }
+        } elseif ($protocol == 'unix') {
+            // Allow for pg socket in non-standard locations.
+            if ($this->dsn['socket']) {
+                $params[0].= 'host=' . $this->dsn['socket'];
+            }
+            if ($this->dsn['port']) {
+                $params[0].= ' port=' . $this->dsn['port'];
+            }
+        }
+        if ($database_name) {
+            $params[0].= ' dbname=\'' . addslashes($database_name) . '\'';
+        }
+        if ($username) {
+            $params[0].= ' user=\'' . addslashes($username) . '\'';
+        }
+        if ($password) {
+            $params[0].= ' password=\'' . addslashes($password) . '\'';
+        }
+        if (!empty($this->dsn['options'])) {
+            $params[0].= ' options=' . $this->dsn['options'];
+        }
+        if (!empty($this->dsn['tty'])) {
+            $params[0].= ' tty=' . $this->dsn['tty'];
+        }
+        if (!empty($this->dsn['connect_timeout'])) {
+            $params[0].= ' connect_timeout=' . $this->dsn['connect_timeout'];
+        }
+        if (!empty($this->dsn['sslmode'])) {
+            $params[0].= ' sslmode=' . $this->dsn['sslmode'];
+        }
+        if (!empty($this->dsn['service'])) {
+            $params[0].= ' service=' . $this->dsn['service'];
+        }
+
+        if ($this->_isNewLinkSet()) {
+            if (version_compare(phpversion(), '4.3.0', '>=')) {
+                $params[] = PGSQL_CONNECT_FORCE_NEW;
+            }
+        }
+
+        $connect_function = $persistent ? 'pg_pconnect' : 'pg_connect';
+        $connection = @call_user_func_array($connect_function, $params);
+        if (!$connection) {
+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+                'unable to establish a connection', __FUNCTION__);
+        }
+
+       if (empty($this->dsn['disable_iso_date'])) {
+            if (!@pg_query($connection, "SET SESSION DATESTYLE = 'ISO'")) {
+                return $this->raiseError(null, null, null,
+                    'Unable to set date style to iso', __FUNCTION__);
+            }
+       }
+
+        if (!empty($this->dsn['charset'])) {
+            $result = $this->setCharset($this->dsn['charset'], $connection);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+
+        // Enable extra compatibility settings on 8.2 and later
+        if (function_exists('pg_parameter_status')) {
+            $version = pg_parameter_status($connection, 'server_version');
+            if ($version == false) {
+                return $this->raiseError(null, null, null,
+                  'Unable to retrieve server version', __FUNCTION__);
+            }
+            $version = explode ('.', $version);
+            if (    $version['0'] > 8
+                || ($version['0'] == 8 && $version['1'] >= 2)
+            ) {
+                if (!@pg_query($connection, "SET SESSION STANDARD_CONFORMING_STRINGS = OFF")) {
+                    return $this->raiseError(null, null, null,
+                      'Unable to set standard_conforming_strings to off', __FUNCTION__);
+                }
+
+                if (!@pg_query($connection, "SET SESSION ESCAPE_STRING_WARNING = OFF")) {
+                    return $this->raiseError(null, null, null,
+                      'Unable to set escape_string_warning to off', __FUNCTION__);
+                }
+            }
+        }
+
+        return $connection;
+    }
+
+    // }}}
+    // {{{ connect()
+
+    /**
+     * Connect to the database
+     *
+     * @return true on success, MDB2 Error Object on failure
+     * @access public
+     */
+    function connect()
+    {
+        if (is_resource($this->connection)) {
+            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+            if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+                && $this->connected_database_name == $this->database_name
+                && ($this->opened_persistent == $this->options['persistent'])
+            ) {
+                return MDB2_OK;
+            }
+            $this->disconnect(false);
+        }
+
+        if ($this->database_name) {
+            $connection = $this->_doConnect($this->dsn['username'],
+                                            $this->dsn['password'],
+                                            $this->database_name,
+                                            $this->options['persistent']);
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+
+            $this->connection = $connection;
+            $this->connected_dsn = $this->dsn;
+            $this->connected_database_name = $this->database_name;
+            $this->opened_persistent = $this->options['persistent'];
+            $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+        }
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ setCharset()
+
+    /**
+     * Set the charset on the current connection
+     *
+     * @param string    charset
+     * @param resource  connection handle
+     *
+     * @return true on success, MDB2 Error Object on failure
+     */
+    function setCharset($charset, $connection = null)
+    {
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+        if (is_array($charset)) {
+            $charset   = array_shift($charset);
+            $this->warnings[] = 'postgresql does not support setting client collation';
+        }
+        $result = @pg_set_client_encoding($connection, $charset);
+        if ($result == -1) {
+            return $this->raiseError(null, null, null,
+                'Unable to set client charset: '.$charset, __FUNCTION__);
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ databaseExists()
+
+    /**
+     * check if given database name is exists?
+     *
+     * @param string $name    name of the database that should be checked
+     *
+     * @return mixed true/false on success, a MDB2 error on failure
+     * @access public
+     */
+    function databaseExists($name)
+    {
+        $res = $this->_doConnect($this->dsn['username'],
+                                 $this->dsn['password'],
+                                 $this->escape($name),
+                                 $this->options['persistent']);
+        if (!PEAR::isError($res)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    // }}}
+    // {{{ disconnect()
+
+    /**
+     * Log out and disconnect from the database.
+     *
+     * @param  boolean $force if the disconnect should be forced even if the
+     *                        connection is opened persistently
+     * @return mixed true on success, false if not connected and error
+     *                object on error
+     * @access public
+     */
+    function disconnect($force = true)
+    {
+        if (is_resource($this->connection)) {
+            if ($this->in_transaction) {
+                $dsn = $this->dsn;
+                $database_name = $this->database_name;
+                $persistent = $this->options['persistent'];
+                $this->dsn = $this->connected_dsn;
+                $this->database_name = $this->connected_database_name;
+                $this->options['persistent'] = $this->opened_persistent;
+                $this->rollback();
+                $this->dsn = $dsn;
+                $this->database_name = $database_name;
+                $this->options['persistent'] = $persistent;
+            }
+
+            if (!$this->opened_persistent || $force) {
+                $ok = @pg_close($this->connection);
+                if (!$ok) {
+                    return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+                           null, null, null, __FUNCTION__);
+                }
+            }
+        } else {
+            return false;
+        }
+        return parent::disconnect($force);
+    }
+
+    // }}}
+    // {{{ standaloneQuery()
+
+   /**
+     * execute a query as DBA
+     *
+     * @param string $query the SQL query
+     * @param mixed   $types  array that contains the types of the columns in
+     *                        the result set
+     * @param boolean $is_manip  if the query is a manipulation query
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function &standaloneQuery($query, $types = null, $is_manip = false)
+    {
+        $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];
+        $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];
+        $connection = $this->_doConnect($user, $pass, $this->database_name, $this->options['persistent']);
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $offset = $this->offset;
+        $limit = $this->limit;
+        $this->offset = $this->limit = 0;
+        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+
+        $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name);
+        if (!PEAR::isError($result)) {
+            if ($is_manip) {
+                $result =  $this->_affectedRows($connection, $result);
+            } else {
+                $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
+            }
+        }
+
+        @pg_close($connection);
+        return $result;
+    }
+
+    // }}}
+    // {{{ _doQuery()
+
+    /**
+     * Execute a query
+     * @param string $query  query
+     * @param boolean $is_manip  if the query is a manipulation query
+     * @param resource $connection
+     * @param string $database_name
+     * @return result or error object
+     * @access protected
+     */
+    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+    {
+        $this->last_query = $query;
+        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+        if ($result) {
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            $query = $result;
+        }
+        if ($this->options['disable_query']) {
+            $result = $is_manip ? 0 : null;
+            return $result;
+        }
+
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+
+        $function = $this->options['multi_query'] ? 'pg_send_query' : 'pg_query';
+        $result = @$function($connection, $query);
+        if (!$result) {
+            $err =& $this->raiseError(null, null, null,
+                'Could not execute statement', __FUNCTION__);
+            return $err;
+        } elseif ($this->options['multi_query']) {
+            if (!($result = @pg_get_result($connection))) {
+                $err =& $this->raiseError(null, null, null,
+                        'Could not get the first result from a multi query', __FUNCTION__);
+                return $err;
+            }
+        }
+
+        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+        return $result;
+    }
+
+    // }}}
+    // {{{ _affectedRows()
+
+    /**
+     * Returns the number of rows affected
+     *
+     * @param resource $result
+     * @param resource $connection
+     * @return mixed MDB2 Error Object or the number of rows affected
+     * @access private
+     */
+    function _affectedRows($connection, $result = null)
+    {
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+        return @pg_affected_rows($result);
+    }
+
+    // }}}
+    // {{{ _modifyQuery()
+
+    /**
+     * Changes a query string for various DBMS specific reasons
+     *
+     * @param string $query  query to modify
+     * @param boolean $is_manip  if it is a DML query
+     * @param integer $limit  limit the number of rows
+     * @param integer $offset  start reading from given offset
+     * @return string modified query
+     * @access protected
+     */
+    function _modifyQuery($query, $is_manip, $limit, $offset)
+    {
+        if ($limit > 0
+            && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+        ) {
+            $query = rtrim($query);
+            if (substr($query, -1) == ';') {
+                $query = substr($query, 0, -1);
+            }
+            if ($is_manip) {
+                $query = $this->_modifyManipQuery($query, $limit);
+            } else {
+                $query.= " LIMIT $limit OFFSET $offset";
+            }
+        }
+        return $query;
+    }
+    
+    // }}}
+    // {{{ _modifyManipQuery()
+    
+    /**
+     * Changes a manip query string for various DBMS specific reasons
+     *
+     * @param string $query  query to modify
+     * @param integer $limit  limit the number of rows
+     * @return string modified query
+     * @access protected
+     */
+    function _modifyManipQuery($query, $limit)
+    {
+        $pos = strpos(strtolower($query), 'where');
+        $where = $pos ? substr($query, $pos) : '';
+
+        $manip_clause = '(\bDELETE\b\s+(?:\*\s+)?\bFROM\b|\bUPDATE\b)';
+        $from_clause  = '([\w\.]+)';
+        $where_clause = '(?:(.*)\bWHERE\b\s+(.*))|(.*)';
+        $pattern = '/^'. $manip_clause . '\s+' . $from_clause .'(?:\s)*(?:'. $where_clause .')?$/i';
+        $matches = preg_match($pattern, $query, $match);
+        if ($matches) {
+            $manip = $match[1];
+            $from  = $match[2];
+            $what  = (count($matches) == 6) ? $match[5] : $match[3];
+            return $manip.' '.$from.' '.$what.' WHERE ctid=(SELECT ctid FROM '.$from.' '.$where.' LIMIT '.$limit.')';
+        }
+        //return error?
+        return $query;
+    }
+
+    // }}}
+    // {{{ getServerVersion()
+
+    /**
+     * return version information about the server
+     *
+     * @param bool   $native  determines if the raw version string should be returned
+     * @return mixed array/string with version information or MDB2 error object
+     * @access public
+     */
+    function getServerVersion($native = false)
+    {
+        $query = 'SHOW SERVER_VERSION';
+        if ($this->connected_server_info) {
+            $server_info = $this->connected_server_info;
+        } else {
+            $server_info = $this->queryOne($query, 'text');
+            if (PEAR::isError($server_info)) {
+                return $server_info;
+            }
+        }
+        // cache server_info
+        $this->connected_server_info = $server_info;
+        if (!$native && !PEAR::isError($server_info)) {
+            $tmp = explode('.', $server_info, 3);
+            if (empty($tmp[2])
+                && isset($tmp[1])
+                && preg_match('/(\d+)(.*)/', $tmp[1], $tmp2)
+            ) {
+                $server_info = array(
+                    'major' => $tmp[0],
+                    'minor' => $tmp2[1],
+                    'patch' => null,
+                    'extra' => $tmp2[2],
+                    'native' => $server_info,
+                );
+            } else {
+                $server_info = array(
+                    'major' => isset($tmp[0]) ? $tmp[0] : null,
+                    'minor' => isset($tmp[1]) ? $tmp[1] : null,
+                    'patch' => isset($tmp[2]) ? $tmp[2] : null,
+                    'extra' => null,
+                    'native' => $server_info,
+                );
+            }
+        }
+        return $server_info;
+    }
+
+    // }}}
+    // {{{ prepare()
+
+    /**
+     * Prepares a query for multiple execution with execute().
+     * With some database backends, this is emulated.
+     * prepare() requires a generic query as string like
+     * 'INSERT INTO numbers VALUES(?,?)' or
+     * 'INSERT INTO numbers VALUES(:foo,:bar)'.
+     * The ? and :name and are placeholders which can be set using
+     * bindParam() and the query can be sent off using the execute() method.
+     * The allowed format for :name can be set with the 'bindname_format' option.
+     *
+     * @param string $query the query to prepare
+     * @param mixed   $types  array that contains the types of the placeholders
+     * @param mixed   $result_types  array that contains the types of the columns in
+     *                        the result set or MDB2_PREPARE_RESULT, if set to
+     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query
+     * @param mixed   $lobs   key (field) value (parameter) pair for all lob placeholders
+     * @return mixed resource handle for the prepared query on success, a MDB2
+     *        error on failure
+     * @access public
+     * @see bindParam, execute
+     */
+    function &prepare($query, $types = null, $result_types = null, $lobs = array())
+    {
+        if ($this->options['emulate_prepared']) {
+            $obj =& parent::prepare($query, $types, $result_types, $lobs);
+            return $obj;
+        }
+        $is_manip = ($result_types === MDB2_PREPARE_MANIP);
+        $offset = $this->offset;
+        $limit = $this->limit;
+        $this->offset = $this->limit = 0;
+        $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
+        if ($result) {
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            $query = $result;
+        }
+        $pgtypes = function_exists('pg_prepare') ? false : array();
+        if ($pgtypes !== false && !empty($types)) {
+            $this->loadModule('Datatype', null, true);
+        }
+        $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+        $placeholder_type_guess = $placeholder_type = null;
+        $question = '?';
+        $colon = ':';
+        $positions = array();
+        $position = $parameter = 0;
+        while ($position < strlen($query)) {
+            $q_position = strpos($query, $question, $position);
+            $c_position = strpos($query, $colon, $position);
+            //skip "::type" cast ("select id::varchar(20) from sometable where name=?")
+            $doublecolon_position = strpos($query, '::', $position);
+            if ($doublecolon_position !== false && $doublecolon_position == $c_position) {
+                $c_position = strpos($query, $colon, $position+2);
+            }
+            if ($q_position && $c_position) {
+                $p_position = min($q_position, $c_position);
+            } elseif ($q_position) {
+                $p_position = $q_position;
+            } elseif ($c_position) {
+                $p_position = $c_position;
+            } else {
+                break;
+            }
+            if (null === $placeholder_type) {
+                $placeholder_type_guess = $query[$p_position];
+            }
+            
+            $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
+            if (PEAR::isError($new_pos)) {
+                return $new_pos;
+            }
+            if ($new_pos != $position) {
+                $position = $new_pos;
+                continue; //evaluate again starting from the new position
+            }
+
+            if ($query[$position] == $placeholder_type_guess) {
+                if (null === $placeholder_type) {
+                    $placeholder_type = $query[$p_position];
+                    $question = $colon = $placeholder_type;
+                    if (!empty($types) && is_array($types)) {
+                        if ($placeholder_type == ':') {
+                        } else {
+                            $types = array_values($types);
+                        }
+                    }
+                }
+                if ($placeholder_type_guess == '?') {
+                    $length = 1;
+                    $name = $parameter;
+                } else {
+                    $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';
+                    $param = preg_replace($regexp, '\\1', $query);
+                    if ($param === '') {
+                        $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
+                            'named parameter name must match "bindname_format" option', __FUNCTION__);
+                        return $err;
+                    }
+                    $length = strlen($param) + 1;
+                    $name = $param;
+                }
+                if ($pgtypes !== false) {
+                    if (is_array($types) && array_key_exists($name, $types)) {
+                        $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$name]);
+                    } elseif (is_array($types) && array_key_exists($parameter, $types)) {
+                        $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$parameter]);
+                    } else {
+                        $pgtypes[] = 'text';
+                    }
+                }
+                if (($key_parameter = array_search($name, $positions))) {
+                    $next_parameter = 1;
+                    foreach ($positions as $key => $value) {
+                        if ($key_parameter == $key) {
+                            break;
+                        }
+                        ++$next_parameter;
+                    }
+                } else {
+                    ++$parameter;
+                    $next_parameter = $parameter;
+                    $positions[] = $name;
+                }
+                $query = substr_replace($query, '$'.$parameter, $position, $length);
+                $position = $p_position + strlen($parameter);
+            } else {
+                $position = $p_position;
+            }
+        }
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+        static $prep_statement_counter = 1;
+        $statement_name = sprintf($this->options['statement_format'], $this->phptype, $prep_statement_counter++ . sha1(microtime() + mt_rand()));
+        $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']);
+        if (false === $pgtypes) {
+            $result = @pg_prepare($connection, $statement_name, $query);
+            if (!$result) {
+                $err =& $this->raiseError(null, null, null,
+                    'Unable to create prepared statement handle', __FUNCTION__);
+                return $err;
+            }
+        } else {
+            $types_string = '';
+            if ($pgtypes) {
+                $types_string = ' ('.implode(', ', $pgtypes).') ';
+            }
+            $query = 'PREPARE '.$statement_name.$types_string.' AS '.$query;
+            $statement =& $this->_doQuery($query, true, $connection);
+            if (PEAR::isError($statement)) {
+                return $statement;
+            }
+        }
+
+        $class_name = 'MDB2_Statement_'.$this->phptype;
+        $obj = new $class_name($this, $statement_name, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
+        $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
+        return $obj;
+    }
+
+    // }}}
+    // {{{ function getSequenceName($sqn)
+
+    /**
+     * adds sequence name formatting to a sequence name
+     *
+     * @param   string  name of the sequence
+     *
+     * @return  string  formatted sequence name
+     *
+     * @access  public
+     */
+    function getSequenceName($sqn)
+    {
+        if (false === $this->options['disable_smart_seqname']) {
+            if (strpos($sqn, '_') !== false) {
+                list($table, $field) = explode('_', $sqn, 2);
+            }
+            $schema_list = $this->queryOne("SELECT array_to_string(current_schemas(false), ',')");
+            if (PEAR::isError($schema_list) || empty($schema_list) || count($schema_list) < 2) {
+                $order_by = ' a.attnum';
+                $schema_clause = ' AND n.nspname=current_schema()';
+            } else {
+                $schemas = explode(',', $schema_list);
+                $schema_clause = ' AND n.nspname IN ('.$schema_list.')';
+                $counter = 1;
+                $order_by = ' CASE ';
+                foreach ($schemas as $schema) {
+                    $order_by .= ' WHEN n.nspname='.$schema.' THEN '.$counter++;
+                }
+                $order_by .= ' ELSE '.$counter.' END, a.attnum';
+            }
+
+            $query = "SELECT substring((SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+                    	    FROM pg_attrdef d
+                    	   WHERE d.adrelid = a.attrelid
+                    	     AND d.adnum = a.attnum
+                    	     AND a.atthasdef
+                    	 ) FROM 'nextval[^'']*''([^'']*)')
+                        FROM pg_attribute a
+                    LEFT JOIN pg_class c ON c.oid = a.attrelid
+                    LEFT JOIN pg_attrdef d ON d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef
+                    LEFT JOIN pg_namespace n ON c.relnamespace = n.oid
+                       WHERE (c.relname = ".$this->quote($sqn, 'text');
+            if (!empty($field)) {
+                $query .= " OR (c.relname = ".$this->quote($table, 'text')." AND a.attname = ".$this->quote($field, 'text').")";
+            }
+            $query .= "      )"
+                         .$schema_clause."
+                         AND NOT a.attisdropped
+                         AND a.attnum > 0
+                         AND pg_get_expr(d.adbin, d.adrelid) LIKE 'nextval%'
+                    ORDER BY ".$order_by;
+            $seqname = $this->queryOne($query);
+            if (!PEAR::isError($seqname) && !empty($seqname) && is_string($seqname)) {
+                return $seqname;
+            }
+        }
+
+        return parent::getSequenceName($sqn);
+    }
+
+    // }}}
+    // {{{ nextID()
+
+    /**
+     * Returns the next free id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @param boolean $ondemand when true the sequence is
+     *                          automatic created, if it
+     *                          not exists
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function nextID($seq_name, $ondemand = true)
+    {
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+        $query = "SELECT NEXTVAL('$sequence_name')";
+        $this->pushErrorHandling(PEAR_ERROR_RETURN);
+        $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+        $result = $this->queryOne($query, 'integer');
+        $this->popExpect();
+        $this->popErrorHandling();
+        if (PEAR::isError($result)) {
+            if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+                $this->loadModule('Manager', null, true);
+                $result = $this->manager->createSequence($seq_name);
+                if (PEAR::isError($result)) {
+                    return $this->raiseError($result, null, null,
+                        'on demand sequence could not be created', __FUNCTION__);
+                }
+                return $this->nextId($seq_name, false);
+            }
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ lastInsertID()
+
+    /**
+     * Returns the autoincrement ID if supported or $id or fetches the current
+     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+     *
+     * @param string $table name of the table into which a new row was inserted
+     * @param string $field name of the field into which a new row was inserted
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function lastInsertID($table = null, $field = null)
+    {
+        if (empty($table) && empty($field)) {
+            return $this->queryOne('SELECT lastval()', 'integer');
+        }
+        $seq = $table.(empty($field) ? '' : '_'.$field);
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq), true);
+        return $this->queryOne("SELECT currval('$sequence_name')", 'integer');
+    }
+
+    // }}}
+    // {{{ currID()
+
+    /**
+     * Returns the current id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function currID($seq_name)
+    {
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+        return $this->queryOne("SELECT last_value FROM $sequence_name", 'integer');
+    }
+}
+
+/**
+ * MDB2 PostGreSQL result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Result_pgsql extends MDB2_Result_Common
+{
+    // }}}
+    // {{{ fetchRow()
+
+    /**
+     * Fetch a row and insert the data into an existing array.
+     *
+     * @param int       $fetchmode  how the array data should be indexed
+     * @param int    $rownum    number of the row where the data can be found
+     * @return int data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+    {
+        if (null !== $rownum) {
+            $seek = $this->seek($rownum);
+            if (PEAR::isError($seek)) {
+                return $seek;
+            }
+        }
+        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+            $fetchmode = $this->db->fetchmode;
+        }
+        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+            $row = @pg_fetch_array($this->result, null, PGSQL_ASSOC);
+            if (is_array($row)
+                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            ) {
+                $row = array_change_key_case($row, $this->db->options['field_case']);
+            }
+        } else {
+            $row = @pg_fetch_row($this->result);
+        }
+        if (!$row) {
+            if (false === $this->result) {
+                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+                return $err;
+            }
+            $null = null;
+            return $null;
+        }
+        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+        $rtrim = false;
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+            if (empty($this->types)) {
+                $mode += MDB2_PORTABILITY_RTRIM;
+            } else {
+                $rtrim = true;
+            }
+        }
+        if ($mode) {
+            $this->db->_fixResultArrayValues($row, $mode);
+        }
+        if (!empty($this->types)) {
+            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+        }
+        if (!empty($this->values)) {
+            $this->_assignBindColumns($row);
+        }
+        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+            $object_class = $this->db->options['fetch_class'];
+            if ($object_class == 'stdClass') {
+                $row = (object) $row;
+            } else {
+                $rowObj = new $object_class($row);
+                $row = $rowObj;
+            }
+        }
+        ++$this->rownum;
+        return $row;
+    }
+
+    // }}}
+    // {{{ _getColumnNames()
+
+    /**
+     * Retrieve the names of columns returned by the DBMS in a query result.
+     *
+     * @return  mixed   Array variable that holds the names of columns as keys
+     *                  or an MDB2 error on failure.
+     *                  Some DBMS may not return any columns when the result set
+     *                  does not contain any rows.
+     * @access private
+     */
+    function _getColumnNames()
+    {
+        $columns = array();
+        $numcols = $this->numCols();
+        if (PEAR::isError($numcols)) {
+            return $numcols;
+        }
+        for ($column = 0; $column < $numcols; $column++) {
+            $column_name = @pg_field_name($this->result, $column);
+            $columns[$column_name] = $column;
+        }
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_change_key_case($columns, $this->db->options['field_case']);
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ numCols()
+
+    /**
+     * Count the number of columns returned by the DBMS in a query result.
+     *
+     * @access public
+     * @return mixed integer value with the number of columns, a MDB2 error
+     *                       on failure
+     */
+    function numCols()
+    {
+        $cols = @pg_num_fields($this->result);
+        if (null === $cols) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return count($this->types);
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get column count', __FUNCTION__);
+        }
+        return $cols;
+    }
+
+    // }}}
+    // {{{ nextResult()
+
+    /**
+     * Move the internal result pointer to the next available result
+     *
+     * @return true on success, false if there is no more result set or an error object on failure
+     * @access public
+     */
+    function nextResult()
+    {
+        $connection = $this->db->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        if (!($this->result = @pg_get_result($connection))) {
+            return false;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ free()
+
+    /**
+     * Free the internal resources associated with result.
+     *
+     * @return boolean true on success, false if result is invalid
+     * @access public
+     */
+    function free()
+    {
+        if (is_resource($this->result) && $this->db->connection) {
+            $free = @pg_free_result($this->result);
+            if (false === $free) {
+                return $this->db->raiseError(null, null, null,
+                    'Could not free result', __FUNCTION__);
+            }
+        }
+        $this->result = false;
+        return MDB2_OK;
+    }
+}
+
+/**
+ * MDB2 PostGreSQL buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_BufferedResult_pgsql extends MDB2_Result_pgsql
+{
+    // {{{ seek()
+
+    /**
+     * Seek to a specific row in a result set
+     *
+     * @param int    $rownum    number of the row where the data can be found
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function seek($rownum = 0)
+    {
+        if ($this->rownum != ($rownum - 1) && !@pg_result_seek($this->result, $rownum)) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return MDB2_OK;
+            }
+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+        }
+        $this->rownum = $rownum - 1;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ valid()
+
+    /**
+     * Check if the end of the result set has been reached
+     *
+     * @return mixed true or false on sucess, a MDB2 error on failure
+     * @access public
+     */
+    function valid()
+    {
+        $numrows = $this->numRows();
+        if (PEAR::isError($numrows)) {
+            return $numrows;
+        }
+        return $this->rownum < ($numrows - 1);
+    }
+
+    // }}}
+    // {{{ numRows()
+
+    /**
+     * Returns the number of rows in a result object
+     *
+     * @return mixed MDB2 Error Object or the number of rows
+     * @access public
+     */
+    function numRows()
+    {
+        $rows = @pg_num_rows($this->result);
+        if (null === $rows) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return 0;
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get row count', __FUNCTION__);
+        }
+        return $rows;
+    }
+}
+
+/**
+ * MDB2 PostGreSQL statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Statement_pgsql extends MDB2_Statement_Common
+{
+    // {{{ _execute()
+
+    /**
+     * Execute a prepared query statement helper method.
+     *
+     * @param mixed $result_class string which specifies which result class to use
+     * @param mixed $result_wrap_class string which specifies which class to wrap results in
+     *
+     * @return mixed MDB2_Result or integer (affected rows) on success,
+     *               a MDB2 error on failure
+     * @access private
+     */
+    function &_execute($result_class = true, $result_wrap_class = false)
+    {
+        if (null === $this->statement) {
+            $result =& parent::_execute($result_class, $result_wrap_class);
+            return $result;
+        }
+        $this->db->last_query = $this->query;
+        $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));
+        if ($this->db->getOption('disable_query')) {
+            $result = $this->is_manip ? 0 : null;
+            return $result;
+        }
+
+        $connection = $this->db->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $query = false;
+        $parameters = array();
+        // todo: disabled until pg_execute() bytea issues are cleared up
+        if (true || !function_exists('pg_execute')) {
+            $query = 'EXECUTE '.$this->statement;
+        }
+        if (!empty($this->positions)) {
+            foreach ($this->positions as $parameter) {
+                if (!array_key_exists($parameter, $this->values)) {
+                    return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
+                }
+                $value = $this->values[$parameter];
+                $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
+                if (is_resource($value) || $type == 'clob' || $type == 'blob' || $this->db->options['lob_allow_url_include']) {
+                    if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+                        if ($match[1] == 'file://') {
+                            $value = $match[2];
+                        }
+                        $value = @fopen($value, 'r');
+                        $close = true;
+                    }
+                    if (is_resource($value)) {
+                        $data = '';
+                        while (!@feof($value)) {
+                            $data.= @fread($value, $this->db->options['lob_buffer_length']);
+                        }
+                        if ($close) {
+                            @fclose($value);
+                        }
+                        $value = $data;
+                    }
+                }
+                $quoted = $this->db->quote($value, $type, $query);
+                if (PEAR::isError($quoted)) {
+                    return $quoted;
+                }
+                $parameters[] = $quoted;
+            }
+            if ($query) {
+                $query.= ' ('.implode(', ', $parameters).')';
+            }
+        }
+
+        if (!$query) {
+            $result = @pg_execute($connection, $this->statement, $parameters);
+            if (!$result) {
+                $err =& $this->db->raiseError(null, null, null,
+                    'Unable to execute statement', __FUNCTION__);
+                return $err;
+            }
+        } else {
+            $result = $this->db->_doQuery($query, $this->is_manip, $connection);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+
+        if ($this->is_manip) {
+            $affected_rows = $this->db->_affectedRows($connection, $result);
+            return $affected_rows;
+        }
+
+        $result =& $this->db->_wrapResult($result, $this->result_types,
+            $result_class, $result_wrap_class, $this->limit, $this->offset);
+        $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));
+        return $result;
+    }
+
+    // }}}
+    // {{{ free()
+
+    /**
+     * Release resources allocated for the specified prepared query.
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function free()
+    {
+        if (null === $this->positions) {
+            return $this->db->raiseError(MDB2_ERROR, null, null,
+                'Prepared statement has already been freed', __FUNCTION__);
+        }
+        $result = MDB2_OK;
+
+        if (null !== $this->statement) {
+            $connection = $this->db->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+            $query = 'DEALLOCATE PREPARE '.$this->statement;
+            $result = $this->db->_doQuery($query, true, $connection);
+        }
+
+        parent::free();
+        return $result;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/sqlite.php b/program/lib/MDB2/Driver/sqlite.php
index adb5551cb..282b8eca3 100644
--- a/program/lib/MDB2/Driver/sqlite.php
+++ b/program/lib/MDB2/Driver/sqlite.php
@@ -1,1105 +1,1086 @@
-<?php

-// vim: set et ts=4 sw=4 fdm=marker:

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: sqlite.php,v 1.158 2008/03/08 14:18:39 quipo Exp $

-//

-

-/**

- * MDB2 SQLite driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Driver_sqlite extends MDB2_Driver_Common

-{

-    // {{{ properties

-    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);

-

-    var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');

-

-    var $_lasterror = '';

-

-    var $fix_assoc_fields_names = false;

-

-    // }}}

-    // {{{ constructor

-

-    /**

-     * Constructor

-     */

-    function __construct()

-    {

-        parent::__construct();

-

-        $this->phptype = 'sqlite';

-        $this->dbsyntax = 'sqlite';

-

-        $this->supported['sequences'] = 'emulated';

-        $this->supported['indexes'] = true;

-        $this->supported['affected_rows'] = true;

-        $this->supported['summary_functions'] = true;

-        $this->supported['order_by_text'] = true;

-        $this->supported['current_id'] = 'emulated';

-        $this->supported['limit_queries'] = true;

-        $this->supported['LOBs'] = true;

-        $this->supported['replace'] = true;

-        $this->supported['transactions'] = true;

-        $this->supported['savepoints'] = false;

-        $this->supported['sub_selects'] = true;

-        $this->supported['triggers'] = true;

-        $this->supported['auto_increment'] = true;

-        $this->supported['primary_key'] = false; // requires alter table implementation

-        $this->supported['result_introspection'] = false; // not implemented

-        $this->supported['prepared_statements'] = 'emulated';

-        $this->supported['identifier_quoting'] = true;

-        $this->supported['pattern_escaping'] = false;

-        $this->supported['new_link'] = false;

-

-        $this->options['DBA_username'] = false;

-        $this->options['DBA_password'] = false;

-        $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off';

-        $this->options['fixed_float'] = 0;

-        $this->options['database_path'] = '';

-        $this->options['database_extension'] = '';

-        $this->options['server_version'] = '';

-        $this->options['max_identifiers_length'] = 128; //no real limit

-    }

-

-    // }}}

-    // {{{ errorInfo()

-

-    /**

-     * This method is used to collect information about an error

-     *

-     * @param integer $error

-     * @return array

-     * @access public

-     */

-    function errorInfo($error = null)

-    {

-        $native_code = null;

-        if ($this->connection) {

-            $native_code = @sqlite_last_error($this->connection);

-        }

-        $native_msg = $this->_lasterror

-            ? html_entity_decode($this->_lasterror) : @sqlite_error_string($native_code);

-            

-        // PHP 5.2+ prepends the function name to $php_errormsg, so we need

-        // this hack to work around it, per bug #9599.

-        $native_msg = preg_replace('/^sqlite[a-z_]+\(\)[^:]*: /', '', $native_msg);

-

-        if (is_null($error)) {

-            static $error_regexps;

-            if (empty($error_regexps)) {

-                $error_regexps = array(

-                    '/^no such table:/' => MDB2_ERROR_NOSUCHTABLE,

-                    '/^no such index:/' => MDB2_ERROR_NOT_FOUND,

-                    '/^(table|index) .* already exists$/' => MDB2_ERROR_ALREADY_EXISTS,

-                    '/PRIMARY KEY must be unique/i' => MDB2_ERROR_CONSTRAINT,

-                    '/is not unique/' => MDB2_ERROR_CONSTRAINT,

-                    '/columns .* are not unique/i' => MDB2_ERROR_CONSTRAINT,

-                    '/uniqueness constraint failed/' => MDB2_ERROR_CONSTRAINT,

-                    '/may not be NULL/' => MDB2_ERROR_CONSTRAINT_NOT_NULL,

-                    '/^no such column:/' => MDB2_ERROR_NOSUCHFIELD,

-                    '/no column named/' => MDB2_ERROR_NOSUCHFIELD,

-                    '/column not present in both tables/i' => MDB2_ERROR_NOSUCHFIELD,

-                    '/^near ".*": syntax error$/' => MDB2_ERROR_SYNTAX,

-                    '/[0-9]+ values for [0-9]+ columns/i' => MDB2_ERROR_VALUE_COUNT_ON_ROW,

-                 );

-            }

-            foreach ($error_regexps as $regexp => $code) {

-                if (preg_match($regexp, $native_msg)) {

-                    $error = $code;

-                    break;

-                }

-            }

-        }

-        return array($error, $native_code, $native_msg);

-    }

-

-    // }}}

-    // {{{ escape()

-

-    /**

-     * Quotes a string so it can be safely used in a query. It will quote

-     * the text so it can safely be used within a query.

-     *

-     * @param   string  the input string to quote

-     * @param   bool    escape wildcards

-     *

-     * @return  string  quoted string

-     *

-     * @access  public

-     */

-    function escape($text, $escape_wildcards = false)

-    {

-        $text = @sqlite_escape_string($text);

-        return $text;

-    }

-

-    // }}}

-    // {{{ beginTransaction()

-

-    /**

-     * Start a transaction or set a savepoint.

-     *

-     * @param   string  name of a savepoint to set

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function beginTransaction($savepoint = null)

-    {

-        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!is_null($savepoint)) {

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'savepoints are not supported', __FUNCTION__);

-        } elseif ($this->in_transaction) {

-            return MDB2_OK;  //nothing to do

-        }

-        if (!$this->destructor_registered && $this->opened_persistent) {

-            $this->destructor_registered = true;

-            register_shutdown_function('MDB2_closeOpenTransactions');

-        }

-        $query = 'BEGIN TRANSACTION '.$this->options['base_transaction_name'];

-        $result =& $this->_doQuery($query, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = true;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ commit()

-

-    /**

-     * Commit the database changes done during a transaction that is in

-     * progress or release a savepoint. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after committing the pending changes.

-     *

-     * @param   string  name of a savepoint to release

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function commit($savepoint = null)

-    {

-        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'savepoints are not supported', __FUNCTION__);

-        }

-

-        $query = 'COMMIT TRANSACTION '.$this->options['base_transaction_name'];

-        $result =& $this->_doQuery($query, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{

-

-    /**

-     * Cancel any database changes done during a transaction or since a specific

-     * savepoint that is in progress. This function may only be called when

-     * auto-committing is disabled, otherwise it will fail. Therefore, a new

-     * transaction is implicitly started after canceling the pending changes.

-     *

-     * @param   string  name of a savepoint to rollback to

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     */

-    function rollback($savepoint = null)

-    {

-        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

-        if (!$this->in_transaction) {

-            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                'rollback cannot be done changes are auto committed', __FUNCTION__);

-        }

-        if (!is_null($savepoint)) {

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'savepoints are not supported', __FUNCTION__);

-        }

-

-        $query = 'ROLLBACK TRANSACTION '.$this->options['base_transaction_name'];

-        $result =& $this->_doQuery($query, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $this->in_transaction = false;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ function setTransactionIsolation()

-

-    /**

-     * Set the transacton isolation level.

-     *

-     * @param   string  standard isolation level

-     *                  READ UNCOMMITTED (allows dirty reads)

-     *                  READ COMMITTED (prevents dirty reads)

-     *                  REPEATABLE READ (prevents nonrepeatable reads)

-     *                  SERIALIZABLE (prevents phantom reads)

-     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

-     *

-     * @access  public

-     * @since   2.1.1

-     */

-    function setTransactionIsolation($isolation)

-    {

-        $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));

-        switch ($isolation) {

-        case 'READ UNCOMMITTED':

-            $isolation = 0;

-            break;

-        case 'READ COMMITTED':

-        case 'REPEATABLE READ':

-        case 'SERIALIZABLE':

-            $isolation = 1;

-            break;

-        default:

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'isolation level is not supported: '.$isolation, __FUNCTION__);

-        }

-

-        $query = "PRAGMA read_uncommitted=$isolation";

-        return $this->_doQuery($query, true);

-    }

-

-    // }}}

-    // {{{ getDatabaseFile()

-

-    /**

-     * Builds the string with path+dbname+extension

-     *

-     * @return string full database path+file

-     * @access protected

-     */

-    function _getDatabaseFile($database_name)

-    {

-        if ($database_name === '' || $database_name === ':memory:') {

-            return $database_name;

-        }

-        return $this->options['database_path'].$database_name.$this->options['database_extension'];

-    }

-

-    // }}}

-    // {{{ connect()

-

-    /**

-     * Connect to the database

-     *

-     * @return true on success, MDB2 Error Object on failure

-     **/

-    function connect()

-    {

-        $database_file = $this->_getDatabaseFile($this->database_name);

-        if (is_resource($this->connection)) {

-            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0

-            if (MDB2::areEquals($this->connected_dsn, $this->dsn)

-                && $this->connected_database_name == $database_file

-                && $this->opened_persistent == $this->options['persistent']

-            ) {

-                return MDB2_OK;

-            }

-            $this->disconnect(false);

-        }

-

-        if (!PEAR::loadExtension($this->phptype)) {

-            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);

-        }

-

-        if (!empty($this->database_name)) {

-            if ($database_file !== ':memory:') {

-                if (!file_exists($database_file)) {

-                    if (!touch($database_file)) {

-                        return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                            'Could not create database file', __FUNCTION__);

-                    }

-                    if (!isset($this->dsn['mode'])

-                        || !is_numeric($this->dsn['mode'])

-                    ) {

-                        $mode = 0644;

-                    } else {

-                        $mode = octdec($this->dsn['mode']);

-                    }

-                    if (!chmod($database_file, $mode)) {

-                        return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                            'Could not be chmodded database file', __FUNCTION__);

-                    }

-                    if (!file_exists($database_file)) {

-                        return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                            'Could not be found database file', __FUNCTION__);

-                    }

-                }

-                if (!is_file($database_file)) {

-                    return $this->raiseError(MDB2_ERROR_INVALID, null, null,

-                            'Database is a directory name', __FUNCTION__);

-                }

-                if (!is_readable($database_file)) {

-                    return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION, null, null,

-                            'Could not read database file', __FUNCTION__);

-                }

-            }

-

-            $connect_function = ($this->options['persistent'] ? 'sqlite_popen' : 'sqlite_open');

-            $php_errormsg = '';

-            if (version_compare('5.1.0', PHP_VERSION, '>')) {

-                @ini_set('track_errors', true);

-                $connection = @$connect_function($database_file);

-                @ini_restore('track_errors');

-            } else {

-                $connection = @$connect_function($database_file, 0666, $php_errormsg);

-            }

-            $this->_lasterror = $php_errormsg;

-            if (!$connection) {

-                return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,

-                'unable to establish a connection', __FUNCTION__);

-            }

-

-/*
-            if (!empty($this->dsn['charset'])) {

-                $result = $this->setCharset($this->dsn['charset'], $connection);

-                if (PEAR::isError($result)) {

-                    return $result;

-                }

-            }

-*/
-

-            $this->connection = $connection;

-            $this->connected_dsn = $this->dsn;

-            $this->connected_database_name = $database_file;

-            $this->opened_persistent = $this->getoption('persistent');

-            $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ databaseExists()

-

-    /**

-     * check if given database name is exists?

-     *

-     * @param string $name    name of the database that should be checked

-     *

-     * @return mixed true/false on success, a MDB2 error on failure

-     * @access public

-     */

-    function databaseExists($name)

-    {

-        $database_file = $this->_getDatabaseFile($name);

-        $result = file_exists($database_file);

-        return $result;

-    }

-

-    // }}}

-    // {{{ disconnect()

-

-    /**

-     * Log out and disconnect from the database.

-     *

-     * @param  boolean $force if the disconnect should be forced even if the

-     *                        connection is opened persistently

-     * @return mixed true on success, false if not connected and error

-     *                object on error

-     * @access public

-     */

-    function disconnect($force = true)

-    {

-        if (is_resource($this->connection)) {

-            if ($this->in_transaction) {

-                $dsn = $this->dsn;

-                $database_name = $this->database_name;

-                $persistent = $this->options['persistent'];

-                $this->dsn = $this->connected_dsn;

-                $this->database_name = $this->connected_database_name;

-                $this->options['persistent'] = $this->opened_persistent;

-                $this->rollback();

-                $this->dsn = $dsn;

-                $this->database_name = $database_name;

-                $this->options['persistent'] = $persistent;

-            }

-

-            if (!$this->opened_persistent || $force) {

-                @sqlite_close($this->connection);

-            }

-        }

-        return parent::disconnect($force);

-    }

-

-    // }}}

-    // {{{ getConnection()

-

-    /**

-     * Returns a native connection

-     *

-     * @return  mixed   a valid MDB2 connection object,

-     *                  or a MDB2 error object on error

-     * @access  public

-     */

-    function getConnection()

-    {

-        $connection = parent::getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $fix_assoc_fields_names = $this->options['portability'] & MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES;

-        if ($fix_assoc_fields_names !== $this->fix_assoc_fields_names) {

-            @sqlite_query("PRAGMA short_column_names = $fix_assoc_fields_names;", $connection);

-            $this->fix_assoc_fields_names = $fix_assoc_fields_names;

-        }

-

-        return $connection;

-    }

-

-    // }}}

-    // {{{ _doQuery()

-

-    /**

-     * Execute a query

-     * @param string $query  query

-     * @param boolean $is_manip  if the query is a manipulation query

-     * @param resource $connection

-     * @param string $database_name

-     * @return result or error object

-     * @access protected

-     */

-    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)

-    {

-        $this->last_query = $query;

-        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));

-        if ($result) {

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-            $query = $result;

-        }

-        if ($this->options['disable_query']) {

-            $result = $is_manip ? 0 : null;

-            return $result;

-        }

-

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-

-        $function = $this->options['result_buffering']

-            ? 'sqlite_query' : 'sqlite_unbuffered_query';

-        $php_errormsg = '';

-        if (version_compare('5.1.0', PHP_VERSION, '>')) {

-            @ini_set('track_errors', true);

-            do {

-                $result = @$function($query.';', $connection);

-            } while (sqlite_last_error($connection) == SQLITE_SCHEMA);

-            @ini_restore('track_errors');

-        } else {

-            do {

-                $result = @$function($query.';', $connection, SQLITE_BOTH, $php_errormsg);

-            } while (sqlite_last_error($connection) == SQLITE_SCHEMA);

-        }

-        $this->_lasterror = $php_errormsg;

-

-        if (!$result) {

-            $err =& $this->raiseError(null, null, null,

-                'Could not execute statement', __FUNCTION__);

-            return $err;

-        }

-

-        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));

-        return $result;

-    }

-

-    // }}}

-    // {{{ _affectedRows()

-

-    /**

-     * Returns the number of rows affected

-     *

-     * @param resource $result

-     * @param resource $connection

-     * @return mixed MDB2 Error Object or the number of rows affected

-     * @access private

-     */

-    function _affectedRows($connection, $result = null)

-    {

-        if (is_null($connection)) {

-            $connection = $this->getConnection();

-            if (PEAR::isError($connection)) {

-                return $connection;

-            }

-        }

-        return @sqlite_changes($connection);

-    }

-

-    // }}}

-    // {{{ _modifyQuery()

-

-    /**

-     * Changes a query string for various DBMS specific reasons

-     *

-     * @param string $query  query to modify

-     * @param boolean $is_manip  if it is a DML query

-     * @param integer $limit  limit the number of rows

-     * @param integer $offset  start reading from given offset

-     * @return string modified query

-     * @access protected

-     */

-    function _modifyQuery($query, $is_manip, $limit, $offset)

-    {

-        if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {

-            if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {

-                $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',

-                                      'DELETE FROM \1 WHERE 1=1', $query);

-            }

-        }

-        if ($limit > 0

-            && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)

-        ) {

-            $query = rtrim($query);

-            if (substr($query, -1) == ';') {

-                $query = substr($query, 0, -1);

-            }

-            if ($is_manip) {

-                $query.= " LIMIT $limit";

-            } else {

-                $query.= " LIMIT $offset,$limit";

-            }

-        }

-        return $query;

-    }

-

-    // }}}

-    // {{{ getServerVersion()

-

-    /**

-     * return version information about the server

-     *

-     * @param bool   $native  determines if the raw version string should be returned

-     * @return mixed array/string with version information or MDB2 error object

-     * @access public

-     */

-    function getServerVersion($native = false)

-    {

-        $server_info = false;

-        if ($this->connected_server_info) {

-            $server_info = $this->connected_server_info;

-        } elseif ($this->options['server_version']) {

-            $server_info = $this->options['server_version'];

-        } elseif (function_exists('sqlite_libversion')) {

-            $server_info = @sqlite_libversion();

-        }

-        if (!$server_info) {

-            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,

-                'Requires either the "server_version" option or the sqlite_libversion() function', __FUNCTION__);

-        }

-        // cache server_info

-        $this->connected_server_info = $server_info;

-        if (!$native) {

-            $tmp = explode('.', $server_info, 3);

-            $server_info = array(

-                'major' => isset($tmp[0]) ? $tmp[0] : null,

-                'minor' => isset($tmp[1]) ? $tmp[1] : null,

-                'patch' => isset($tmp[2]) ? $tmp[2] : null,

-                'extra' => null,

-                'native' => $server_info,

-            );

-        }

-        return $server_info;

-    }

-

-    // }}}

-    // {{{ replace()

-

-    /**

-     * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT

-     * query, except that if there is already a row in the table with the same

-     * key field values, the REPLACE query just updates its values instead of

-     * inserting a new row.

-     *

-     * The REPLACE type of query does not make part of the SQL standards. Since

-     * practically only SQLite implements it natively, this type of query is

-     * emulated through this method for other DBMS using standard types of

-     * queries inside a transaction to assure the atomicity of the operation.

-     *

-     * @access public

-     *

-     * @param string $table name of the table on which the REPLACE query will

-     *  be executed.

-     * @param array $fields associative array that describes the fields and the

-     *  values that will be inserted or updated in the specified table. The

-     *  indexes of the array are the names of all the fields of the table. The

-     *  values of the array are also associative arrays that describe the

-     *  values and other properties of the table fields.

-     *

-     *  Here follows a list of field properties that need to be specified:

-     *

-     *    value:

-     *          Value to be assigned to the specified field. This value may be

-     *          of specified in database independent type format as this

-     *          function can perform the necessary datatype conversions.

-     *

-     *    Default:

-     *          this property is required unless the Null property

-     *          is set to 1.

-     *

-     *    type

-     *          Name of the type of the field. Currently, all types Metabase

-     *          are supported except for clob and blob.

-     *

-     *    Default: no type conversion

-     *

-     *    null

-     *          Boolean property that indicates that the value for this field

-     *          should be set to null.

-     *

-     *          The default value for fields missing in INSERT queries may be

-     *          specified the definition of a table. Often, the default value

-     *          is already null, but since the REPLACE may be emulated using

-     *          an UPDATE query, make sure that all fields of the table are

-     *          listed in this function argument array.

-     *

-     *    Default: 0

-     *

-     *    key

-     *          Boolean property that indicates that this field should be

-     *          handled as a primary key or at least as part of the compound

-     *          unique index of the table that will determine the row that will

-     *          updated if it exists or inserted a new row otherwise.

-     *

-     *          This function will fail if no key field is specified or if the

-     *          value of a key field is set to null because fields that are

-     *          part of unique index they may not be null.

-     *

-     *    Default: 0

-     *

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     */

-    function replace($table, $fields)

-    {

-        $count = count($fields);

-        $query = $values = '';

-        $keys = $colnum = 0;

-        for (reset($fields); $colnum < $count; next($fields), $colnum++) {

-            $name = key($fields);

-            if ($colnum > 0) {

-                $query .= ',';

-                $values.= ',';

-            }

-            $query.= $this->quoteIdentifier($name, true);

-            if (isset($fields[$name]['null']) && $fields[$name]['null']) {

-                $value = 'NULL';

-            } else {

-                $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;

-                $value = $this->quote($fields[$name]['value'], $type);

-                if (PEAR::isError($value)) {

-                    return $value;

-                }

-            }

-            $values.= $value;

-            if (isset($fields[$name]['key']) && $fields[$name]['key']) {

-                if ($value === 'NULL') {

-                    return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,

-                        'key value '.$name.' may not be NULL', __FUNCTION__);

-                }

-                $keys++;

-            }

-        }

-        if ($keys == 0) {

-            return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,

-                'not specified which fields are keys', __FUNCTION__);

-        }

-

-        $connection = $this->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-

-        $table = $this->quoteIdentifier($table, true);

-        $query = "REPLACE INTO $table ($query) VALUES ($values)";

-        $result =& $this->_doQuery($query, true, $connection);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        return $this->_affectedRows($connection, $result);

-    }

-

-    // }}}

-    // {{{ nextID()

-

-    /**

-     * Returns the next free id of a sequence

-     *

-     * @param string $seq_name name of the sequence

-     * @param boolean $ondemand when true the sequence is

-     *                          automatic created, if it

-     *                          not exists

-     *

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function nextID($seq_name, $ondemand = true)

-    {

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

-        $seqcol_name = $this->options['seqcol_name'];

-        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";

-        $this->pushErrorHandling(PEAR_ERROR_RETURN);

-        $this->expectError(MDB2_ERROR_NOSUCHTABLE);

-        $result =& $this->_doQuery($query, true);

-        $this->popExpect();

-        $this->popErrorHandling();

-        if (PEAR::isError($result)) {

-            if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {

-                $this->loadModule('Manager', null, true);

-                $result = $this->manager->createSequence($seq_name);

-                if (PEAR::isError($result)) {

-                    return $this->raiseError($result, null, null,

-                        'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);

-                } else {

-                    return $this->nextID($seq_name, false);

-                }

-            }

-            return $result;

-        }

-        $value = $this->lastInsertID();

-        if (is_numeric($value)) {

-            $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";

-            $result =& $this->_doQuery($query, true);

-            if (PEAR::isError($result)) {

-                $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;

-            }

-        }

-        return $value;

-    }

-

-    // }}}

-    // {{{ lastInsertID()

-

-    /**

-     * Returns the autoincrement ID if supported or $id or fetches the current

-     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)

-     *

-     * @param string $table name of the table into which a new row was inserted

-     * @param string $field name of the field into which a new row was inserted

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function lastInsertID($table = null, $field = null)

-    {

-        $connection = $this->getConnection();

-        if (PEAR::isError($connection)) {

-            return $connection;

-        }

-        $value = @sqlite_last_insert_rowid($connection);

-        if (!$value) {

-            return $this->raiseError(null, null, null,

-                'Could not get last insert ID', __FUNCTION__);

-        }

-        return $value;

-    }

-

-    // }}}

-    // {{{ currID()

-

-    /**

-     * Returns the current id of a sequence

-     *

-     * @param string $seq_name name of the sequence

-     * @return mixed MDB2 Error Object or id

-     * @access public

-     */

-    function currID($seq_name)

-    {

-        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

-        $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);

-        $query = "SELECT MAX($seqcol_name) FROM $sequence_name";

-        return $this->queryOne($query, 'integer');

-    }

-}

-

-/**

- * MDB2 SQLite result driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Result_sqlite extends MDB2_Result_Common

-{

-    // }}}

-    // {{{ fetchRow()

-

-    /**

-     * Fetch a row and insert the data into an existing array.

-     *

-     * @param int       $fetchmode  how the array data should be indexed

-     * @param int    $rownum    number of the row where the data can be found

-     * @return int data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)

-    {

-        if (!is_null($rownum)) {

-            $seek = $this->seek($rownum);

-            if (PEAR::isError($seek)) {

-                return $seek;

-            }

-        }

-        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {

-            $fetchmode = $this->db->fetchmode;

-        }

-        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {

-            $row = @sqlite_fetch_array($this->result, SQLITE_ASSOC);

-            if (is_array($row)

-                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE

-            ) {

-                $row = array_change_key_case($row, $this->db->options['field_case']);

-            }

-        } else {

-           $row = @sqlite_fetch_array($this->result, SQLITE_NUM);

-        }

-        if (!$row) {

-            if ($this->result === false) {

-                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-                return $err;

-            }

-            $null = null;

-            return $null;

-        }

-        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;

-        $rtrim = false;

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {

-            if (empty($this->types)) {

-                $mode += MDB2_PORTABILITY_RTRIM;

-            } else {

-                $rtrim = true;

-            }

-        }

-        if ($mode) {

-            $this->db->_fixResultArrayValues($row, $mode);

-        }

-        if (!empty($this->types)) {

-            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);

-        }

-        if (!empty($this->values)) {

-            $this->_assignBindColumns($row);

-        }

-        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {

-            $object_class = $this->db->options['fetch_class'];

-            if ($object_class == 'stdClass') {

-                $row = (object) $row;

-            } else {

-                $row = new $object_class($row);

-            }

-        }

-        ++$this->rownum;

-        return $row;

-    }

-

-    // }}}

-    // {{{ _getColumnNames()

-

-    /**

-     * Retrieve the names of columns returned by the DBMS in a query result.

-     *

-     * @return  mixed   Array variable that holds the names of columns as keys

-     *                  or an MDB2 error on failure.

-     *                  Some DBMS may not return any columns when the result set

-     *                  does not contain any rows.

-     * @access private

-     */

-    function _getColumnNames()

-    {

-        $columns = array();

-        $numcols = $this->numCols();

-        if (PEAR::isError($numcols)) {

-            return $numcols;

-        }

-        for ($column = 0; $column < $numcols; $column++) {

-            $column_name = @sqlite_field_name($this->result, $column);

-            $columns[$column_name] = $column;

-        }

-        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-            $columns = array_change_key_case($columns, $this->db->options['field_case']);

-        }

-        return $columns;

-    }

-

-    // }}}

-    // {{{ numCols()

-

-    /**

-     * Count the number of columns returned by the DBMS in a query result.

-     *

-     * @access public

-     * @return mixed integer value with the number of columns, a MDB2 error

-     *                       on failure

-     */

-    function numCols()

-    {

-        $cols = @sqlite_num_fields($this->result);

-        if (is_null($cols)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return count($this->types);

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get column count', __FUNCTION__);

-        }

-        return $cols;

-    }

-}

-

-/**

- * MDB2 SQLite buffered result driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_BufferedResult_sqlite extends MDB2_Result_sqlite

-{

-    // {{{ seek()

-

-    /**

-     * Seek to a specific row in a result set

-     *

-     * @param int    $rownum    number of the row where the data can be found

-     * @return mixed MDB2_OK on success, a MDB2 error on failure

-     * @access public

-     */

-    function seek($rownum = 0)

-    {

-        if (!@sqlite_seek($this->result, $rownum)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return MDB2_OK;

-            }

-            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,

-                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);

-        }

-        $this->rownum = $rownum - 1;

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ valid()

-

-    /**

-     * Check if the end of the result set has been reached

-     *

-     * @return mixed true or false on sucess, a MDB2 error on failure

-     * @access public

-     */

-    function valid()

-    {

-        $numrows = $this->numRows();

-        if (PEAR::isError($numrows)) {

-            return $numrows;

-        }

-        return $this->rownum < ($numrows - 1);

-    }

-

-    // }}}

-    // {{{ numRows()

-

-    /**

-     * Returns the number of rows in a result object

-     *

-     * @return mixed MDB2 Error Object or the number of rows

-     * @access public

-     */

-    function numRows()

-    {

-        $rows = @sqlite_num_rows($this->result);

-        if (is_null($rows)) {

-            if ($this->result === false) {

-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                    'resultset has already been freed', __FUNCTION__);

-            } elseif (is_null($this->result)) {

-                return 0;

-            }

-            return $this->db->raiseError(null, null, null,

-                'Could not get row count', __FUNCTION__);

-        }

-        return $rows;

-    }

-}

-

-/**

- * MDB2 SQLite statement driver

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Statement_sqlite extends MDB2_Statement_Common

-{

-

-}

-

+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+/**
+ * MDB2 SQLite driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_sqlite extends MDB2_Driver_Common
+{
+    // {{{ properties
+    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);
+
+    var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
+
+    var $_lasterror = '';
+
+    var $fix_assoc_fields_names = false;
+
+    // }}}
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        parent::__construct();
+
+        $this->phptype = 'sqlite';
+        $this->dbsyntax = 'sqlite';
+
+        $this->supported['sequences'] = 'emulated';
+        $this->supported['indexes'] = true;
+        $this->supported['affected_rows'] = true;
+        $this->supported['summary_functions'] = true;
+        $this->supported['order_by_text'] = true;
+        $this->supported['current_id'] = 'emulated';
+        $this->supported['limit_queries'] = true;
+        $this->supported['LOBs'] = true;
+        $this->supported['replace'] = true;
+        $this->supported['transactions'] = true;
+        $this->supported['savepoints'] = false;
+        $this->supported['sub_selects'] = true;
+        $this->supported['triggers'] = true;
+        $this->supported['auto_increment'] = true;
+        $this->supported['primary_key'] = false; // requires alter table implementation
+        $this->supported['result_introspection'] = false; // not implemented
+        $this->supported['prepared_statements'] = 'emulated';
+        $this->supported['identifier_quoting'] = true;
+        $this->supported['pattern_escaping'] = false;
+        $this->supported['new_link'] = false;
+
+        $this->options['DBA_username'] = false;
+        $this->options['DBA_password'] = false;
+        $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off';
+        $this->options['fixed_float'] = 0;
+        $this->options['database_path'] = '';
+        $this->options['database_extension'] = '';
+        $this->options['server_version'] = '';
+        $this->options['max_identifiers_length'] = 128; //no real limit
+    }
+
+    // }}}
+    // {{{ errorInfo()
+
+    /**
+     * This method is used to collect information about an error
+     *
+     * @param integer $error
+     * @return array
+     * @access public
+     */
+    function errorInfo($error = null)
+    {
+        $native_code = null;
+        if ($this->connection) {
+            $native_code = @sqlite_last_error($this->connection);
+        }
+        $native_msg = $this->_lasterror
+            ? html_entity_decode($this->_lasterror) : @sqlite_error_string($native_code);
+            
+        // PHP 5.2+ prepends the function name to $php_errormsg, so we need
+        // this hack to work around it, per bug #9599.
+        $native_msg = preg_replace('/^sqlite[a-z_]+\(\)[^:]*: /', '', $native_msg);
+
+        if (null === $error) {
+            static $error_regexps;
+            if (empty($error_regexps)) {
+                $error_regexps = array(
+                    '/^no such table:/' => MDB2_ERROR_NOSUCHTABLE,
+                    '/^no such index:/' => MDB2_ERROR_NOT_FOUND,
+                    '/^(table|index) .* already exists$/' => MDB2_ERROR_ALREADY_EXISTS,
+                    '/PRIMARY KEY must be unique/i' => MDB2_ERROR_CONSTRAINT,
+                    '/is not unique/' => MDB2_ERROR_CONSTRAINT,
+                    '/columns .* are not unique/i' => MDB2_ERROR_CONSTRAINT,
+                    '/uniqueness constraint failed/' => MDB2_ERROR_CONSTRAINT,
+                    '/may not be NULL/' => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+                    '/^no such column:/' => MDB2_ERROR_NOSUCHFIELD,
+                    '/no column named/' => MDB2_ERROR_NOSUCHFIELD,
+                    '/column not present in both tables/i' => MDB2_ERROR_NOSUCHFIELD,
+                    '/^near ".*": syntax error$/' => MDB2_ERROR_SYNTAX,
+                    '/[0-9]+ values for [0-9]+ columns/i' => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+                 );
+            }
+            foreach ($error_regexps as $regexp => $code) {
+                if (preg_match($regexp, $native_msg)) {
+                    $error = $code;
+                    break;
+                }
+            }
+        }
+        return array($error, $native_code, $native_msg);
+    }
+
+    // }}}
+    // {{{ escape()
+
+    /**
+     * Quotes a string so it can be safely used in a query. It will quote
+     * the text so it can safely be used within a query.
+     *
+     * @param   string  the input string to quote
+     * @param   bool    escape wildcards
+     *
+     * @return  string  quoted string
+     *
+     * @access  public
+     */
+    function escape($text, $escape_wildcards = false)
+    {
+        $text = @sqlite_escape_string($text);
+        return $text;
+    }
+
+    // }}}
+    // {{{ beginTransaction()
+
+    /**
+     * Start a transaction or set a savepoint.
+     *
+     * @param   string  name of a savepoint to set
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function beginTransaction($savepoint = null)
+    {
+        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (null !== $savepoint) {
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'savepoints are not supported', __FUNCTION__);
+        }
+        if ($this->in_transaction) {
+            return MDB2_OK;  //nothing to do
+        }
+        if (!$this->destructor_registered && $this->opened_persistent) {
+            $this->destructor_registered = true;
+            register_shutdown_function('MDB2_closeOpenTransactions');
+        }
+        $query = 'BEGIN TRANSACTION '.$this->options['base_transaction_name'];
+        $result =& $this->_doQuery($query, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = true;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ commit()
+
+    /**
+     * Commit the database changes done during a transaction that is in
+     * progress or release a savepoint. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after committing the pending changes.
+     *
+     * @param   string  name of a savepoint to release
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function commit($savepoint = null)
+    {
+        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'savepoints are not supported', __FUNCTION__);
+        }
+
+        $query = 'COMMIT TRANSACTION '.$this->options['base_transaction_name'];
+        $result =& $this->_doQuery($query, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{
+
+    /**
+     * Cancel any database changes done during a transaction or since a specific
+     * savepoint that is in progress. This function may only be called when
+     * auto-committing is disabled, otherwise it will fail. Therefore, a new
+     * transaction is implicitly started after canceling the pending changes.
+     *
+     * @param   string  name of a savepoint to rollback to
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     */
+    function rollback($savepoint = null)
+    {
+        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                'rollback cannot be done changes are auto committed', __FUNCTION__);
+        }
+        if (null !== $savepoint) {
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'savepoints are not supported', __FUNCTION__);
+        }
+
+        $query = 'ROLLBACK TRANSACTION '.$this->options['base_transaction_name'];
+        $result =& $this->_doQuery($query, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ function setTransactionIsolation()
+
+    /**
+     * Set the transacton isolation level.
+     *
+     * @param   string  standard isolation level
+     *                  READ UNCOMMITTED (allows dirty reads)
+     *                  READ COMMITTED (prevents dirty reads)
+     *                  REPEATABLE READ (prevents nonrepeatable reads)
+     *                  SERIALIZABLE (prevents phantom reads)
+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure
+     *
+     * @access  public
+     * @since   2.1.1
+     */
+    function setTransactionIsolation($isolation)
+    {
+        $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+        switch ($isolation) {
+        case 'READ UNCOMMITTED':
+            $isolation = 0;
+            break;
+        case 'READ COMMITTED':
+        case 'REPEATABLE READ':
+        case 'SERIALIZABLE':
+            $isolation = 1;
+            break;
+        default:
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'isolation level is not supported: '.$isolation, __FUNCTION__);
+        }
+
+        $query = "PRAGMA read_uncommitted=$isolation";
+        return $this->_doQuery($query, true);
+    }
+
+    // }}}
+    // {{{ getDatabaseFile()
+
+    /**
+     * Builds the string with path+dbname+extension
+     *
+     * @return string full database path+file
+     * @access protected
+     */
+    function _getDatabaseFile($database_name)
+    {
+        if ($database_name === '' || $database_name === ':memory:') {
+            return $database_name;
+        }
+        return $this->options['database_path'].$database_name.$this->options['database_extension'];
+    }
+
+    // }}}
+    // {{{ connect()
+
+    /**
+     * Connect to the database
+     *
+     * @return true on success, MDB2 Error Object on failure
+     **/
+    function connect()
+    {
+        $database_file = $this->_getDatabaseFile($this->database_name);
+        if (is_resource($this->connection)) {
+            //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+            if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+                && $this->connected_database_name == $database_file
+                && $this->opened_persistent == $this->options['persistent']
+            ) {
+                return MDB2_OK;
+            }
+            $this->disconnect(false);
+        }
+
+        if (!PEAR::loadExtension($this->phptype)) {
+            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+        }
+
+        if (empty($this->database_name)) {
+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+            'unable to establish a connection', __FUNCTION__);
+        }
+
+        if ($database_file !== ':memory:') {
+            if (!file_exists($database_file)) {
+                if (!touch($database_file)) {
+                    return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        'Could not create database file', __FUNCTION__);
+                }
+                if (!isset($this->dsn['mode'])
+                    || !is_numeric($this->dsn['mode'])
+                ) {
+                    $mode = 0644;
+                } else {
+                    $mode = octdec($this->dsn['mode']);
+                }
+                if (!chmod($database_file, $mode)) {
+                    return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        'Could not be chmodded database file', __FUNCTION__);
+                }
+                if (!file_exists($database_file)) {
+                    return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        'Could not be found database file', __FUNCTION__);
+                }
+            }
+            if (!is_file($database_file)) {
+                return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+                        'Database is a directory name', __FUNCTION__);
+            }
+            if (!is_readable($database_file)) {
+                return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION, null, null,
+                        'Could not read database file', __FUNCTION__);
+            }
+        }
+
+        $connect_function = ($this->options['persistent'] ? 'sqlite_popen' : 'sqlite_open');
+        $php_errormsg = '';
+        if (version_compare('5.1.0', PHP_VERSION, '>')) {
+            @ini_set('track_errors', true);
+            $connection = @$connect_function($database_file);
+            @ini_restore('track_errors');
+        } else {
+            $connection = @$connect_function($database_file, 0666, $php_errormsg);
+        }
+        $this->_lasterror = $php_errormsg;
+        if (!$connection) {
+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+            'unable to establish a connection', __FUNCTION__);
+        }
+
+        if ($this->fix_assoc_fields_names ||
+            $this->options['portability'] & MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES)
+        {
+            @sqlite_query("PRAGMA short_column_names = 1", $connection);
+            $this->fix_assoc_fields_names = true;
+        }
+
+        $this->connection = $connection;
+        $this->connected_dsn = $this->dsn;
+        $this->connected_database_name = $database_file;
+        $this->opened_persistent = $this->getoption('persistent');
+        $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ databaseExists()
+
+    /**
+     * check if given database name is exists?
+     *
+     * @param string $name    name of the database that should be checked
+     *
+     * @return mixed true/false on success, a MDB2 error on failure
+     * @access public
+     */
+    function databaseExists($name)
+    {
+        $database_file = $this->_getDatabaseFile($name);
+        $result = file_exists($database_file);
+        return $result;
+    }
+
+    // }}}
+    // {{{ disconnect()
+
+    /**
+     * Log out and disconnect from the database.
+     *
+     * @param  boolean $force if the disconnect should be forced even if the
+     *                        connection is opened persistently
+     * @return mixed true on success, false if not connected and error
+     *                object on error
+     * @access public
+     */
+    function disconnect($force = true)
+    {
+        if (is_resource($this->connection)) {
+            if ($this->in_transaction) {
+                $dsn = $this->dsn;
+                $database_name = $this->database_name;
+                $persistent = $this->options['persistent'];
+                $this->dsn = $this->connected_dsn;
+                $this->database_name = $this->connected_database_name;
+                $this->options['persistent'] = $this->opened_persistent;
+                $this->rollback();
+                $this->dsn = $dsn;
+                $this->database_name = $database_name;
+                $this->options['persistent'] = $persistent;
+            }
+
+            if (!$this->opened_persistent || $force) {
+                @sqlite_close($this->connection);
+            }
+        } else {
+            return false;
+        }
+        return parent::disconnect($force);
+    }
+
+    // }}}
+    // {{{ _doQuery()
+
+    /**
+     * Execute a query
+     * @param string $query  query
+     * @param boolean $is_manip  if the query is a manipulation query
+     * @param resource $connection
+     * @param string $database_name
+     * @return result or error object
+     * @access protected
+     */
+    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+    {
+        $this->last_query = $query;
+        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+        if ($result) {
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+            $query = $result;
+        }
+        if ($this->options['disable_query']) {
+            $result = $is_manip ? 0 : null;
+            return $result;
+        }
+
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+
+        $function = $this->options['result_buffering']
+            ? 'sqlite_query' : 'sqlite_unbuffered_query';
+        $php_errormsg = '';
+        if (version_compare('5.1.0', PHP_VERSION, '>')) {
+            @ini_set('track_errors', true);
+            do {
+                $result = @$function($query.';', $connection);
+            } while (sqlite_last_error($connection) == SQLITE_SCHEMA);
+            @ini_restore('track_errors');
+        } else {
+            do {
+                $result = @$function($query.';', $connection, SQLITE_BOTH, $php_errormsg);
+            } while (sqlite_last_error($connection) == SQLITE_SCHEMA);
+        }
+        $this->_lasterror = $php_errormsg;
+
+        if (!$result) {
+            $err =& $this->raiseError(null, null, null,
+                'Could not execute statement', __FUNCTION__);
+            return $err;
+        }
+
+        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+        return $result;
+    }
+
+    // }}}
+    // {{{ _affectedRows()
+
+    /**
+     * Returns the number of rows affected
+     *
+     * @param resource $result
+     * @param resource $connection
+     * @return mixed MDB2 Error Object or the number of rows affected
+     * @access private
+     */
+    function _affectedRows($connection, $result = null)
+    {
+        if (null === $connection) {
+            $connection = $this->getConnection();
+            if (PEAR::isError($connection)) {
+                return $connection;
+            }
+        }
+        return @sqlite_changes($connection);
+    }
+
+    // }}}
+    // {{{ _modifyQuery()
+
+    /**
+     * Changes a query string for various DBMS specific reasons
+     *
+     * @param string $query  query to modify
+     * @param boolean $is_manip  if it is a DML query
+     * @param integer $limit  limit the number of rows
+     * @param integer $offset  start reading from given offset
+     * @return string modified query
+     * @access protected
+     */
+    function _modifyQuery($query, $is_manip, $limit, $offset)
+    {
+        if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {
+            if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
+                $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
+                                      'DELETE FROM \1 WHERE 1=1', $query);
+            }
+        }
+        if ($limit > 0
+            && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+        ) {
+            $query = rtrim($query);
+            if (substr($query, -1) == ';') {
+                $query = substr($query, 0, -1);
+            }
+            if ($is_manip) {
+                $query.= " LIMIT $limit";
+            } else {
+                $query.= " LIMIT $offset,$limit";
+            }
+        }
+        return $query;
+    }
+
+    // }}}
+    // {{{ getServerVersion()
+
+    /**
+     * return version information about the server
+     *
+     * @param bool   $native  determines if the raw version string should be returned
+     * @return mixed array/string with version information or MDB2 error object
+     * @access public
+     */
+    function getServerVersion($native = false)
+    {
+        $server_info = false;
+        if ($this->connected_server_info) {
+            $server_info = $this->connected_server_info;
+        } elseif ($this->options['server_version']) {
+            $server_info = $this->options['server_version'];
+        } elseif (function_exists('sqlite_libversion')) {
+            $server_info = @sqlite_libversion();
+        }
+        if (!$server_info) {
+            return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                'Requires either the "server_version" option or the sqlite_libversion() function', __FUNCTION__);
+        }
+        // cache server_info
+        $this->connected_server_info = $server_info;
+        if (!$native) {
+            $tmp = explode('.', $server_info, 3);
+            $server_info = array(
+                'major' => isset($tmp[0]) ? $tmp[0] : null,
+                'minor' => isset($tmp[1]) ? $tmp[1] : null,
+                'patch' => isset($tmp[2]) ? $tmp[2] : null,
+                'extra' => null,
+                'native' => $server_info,
+            );
+        }
+        return $server_info;
+    }
+
+    // }}}
+    // {{{ replace()
+
+    /**
+     * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
+     * query, except that if there is already a row in the table with the same
+     * key field values, the old row is deleted before the new row is inserted.
+     *
+     * The REPLACE type of query does not make part of the SQL standards. Since
+     * practically only SQLite implements it natively, this type of query is
+     * emulated through this method for other DBMS using standard types of
+     * queries inside a transaction to assure the atomicity of the operation.
+     *
+     * @access public
+     *
+     * @param string $table name of the table on which the REPLACE query will
+     *  be executed.
+     * @param array $fields associative array that describes the fields and the
+     *  values that will be inserted or updated in the specified table. The
+     *  indexes of the array are the names of all the fields of the table. The
+     *  values of the array are also associative arrays that describe the
+     *  values and other properties of the table fields.
+     *
+     *  Here follows a list of field properties that need to be specified:
+     *
+     *    value:
+     *          Value to be assigned to the specified field. This value may be
+     *          of specified in database independent type format as this
+     *          function can perform the necessary datatype conversions.
+     *
+     *    Default:
+     *          this property is required unless the Null property
+     *          is set to 1.
+     *
+     *    type
+     *          Name of the type of the field. Currently, all types Metabase
+     *          are supported except for clob and blob.
+     *
+     *    Default: no type conversion
+     *
+     *    null
+     *          Boolean property that indicates that the value for this field
+     *          should be set to null.
+     *
+     *          The default value for fields missing in INSERT queries may be
+     *          specified the definition of a table. Often, the default value
+     *          is already null, but since the REPLACE may be emulated using
+     *          an UPDATE query, make sure that all fields of the table are
+     *          listed in this function argument array.
+     *
+     *    Default: 0
+     *
+     *    key
+     *          Boolean property that indicates that this field should be
+     *          handled as a primary key or at least as part of the compound
+     *          unique index of the table that will determine the row that will
+     *          updated if it exists or inserted a new row otherwise.
+     *
+     *          This function will fail if no key field is specified or if the
+     *          value of a key field is set to null because fields that are
+     *          part of unique index they may not be null.
+     *
+     *    Default: 0
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function replace($table, $fields)
+    {
+        $count = count($fields);
+        $query = $values = '';
+        $keys = $colnum = 0;
+        for (reset($fields); $colnum < $count; next($fields), $colnum++) {
+            $name = key($fields);
+            if ($colnum > 0) {
+                $query .= ',';
+                $values.= ',';
+            }
+            $query.= $this->quoteIdentifier($name, true);
+            if (isset($fields[$name]['null']) && $fields[$name]['null']) {
+                $value = 'NULL';
+            } else {
+                $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
+                $value = $this->quote($fields[$name]['value'], $type);
+                if (PEAR::isError($value)) {
+                    return $value;
+                }
+            }
+            $values.= $value;
+            if (isset($fields[$name]['key']) && $fields[$name]['key']) {
+                if ($value === 'NULL') {
+                    return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+                        'key value '.$name.' may not be NULL', __FUNCTION__);
+                }
+                $keys++;
+            }
+        }
+        if ($keys == 0) {
+            return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+                'not specified which fields are keys', __FUNCTION__);
+        }
+
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+
+        $table = $this->quoteIdentifier($table, true);
+        $query = "REPLACE INTO $table ($query) VALUES ($values)";
+        $result =& $this->_doQuery($query, true, $connection);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return $this->_affectedRows($connection, $result);
+    }
+
+    // }}}
+    // {{{ nextID()
+
+    /**
+     * Returns the next free id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @param boolean $ondemand when true the sequence is
+     *                          automatic created, if it
+     *                          not exists
+     *
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function nextID($seq_name, $ondemand = true)
+    {
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+        $seqcol_name = $this->options['seqcol_name'];
+        $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";
+        $this->pushErrorHandling(PEAR_ERROR_RETURN);
+        $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+        $result =& $this->_doQuery($query, true);
+        $this->popExpect();
+        $this->popErrorHandling();
+        if (PEAR::isError($result)) {
+            if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+                $this->loadModule('Manager', null, true);
+                $result = $this->manager->createSequence($seq_name);
+                if (PEAR::isError($result)) {
+                    return $this->raiseError($result, null, null,
+                        'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+                } else {
+                    return $this->nextID($seq_name, false);
+                }
+            }
+            return $result;
+        }
+        $value = $this->lastInsertID();
+        if (is_numeric($value)) {
+            $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+            $result =& $this->_doQuery($query, true);
+            if (PEAR::isError($result)) {
+                $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+            }
+        }
+        return $value;
+    }
+
+    // }}}
+    // {{{ lastInsertID()
+
+    /**
+     * Returns the autoincrement ID if supported or $id or fetches the current
+     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+     *
+     * @param string $table name of the table into which a new row was inserted
+     * @param string $field name of the field into which a new row was inserted
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function lastInsertID($table = null, $field = null)
+    {
+        $connection = $this->getConnection();
+        if (PEAR::isError($connection)) {
+            return $connection;
+        }
+        $value = @sqlite_last_insert_rowid($connection);
+        if (!$value) {
+            return $this->raiseError(null, null, null,
+                'Could not get last insert ID', __FUNCTION__);
+        }
+        return $value;
+    }
+
+    // }}}
+    // {{{ currID()
+
+    /**
+     * Returns the current id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function currID($seq_name)
+    {
+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+        $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+        $query = "SELECT MAX($seqcol_name) FROM $sequence_name";
+        return $this->queryOne($query, 'integer');
+    }
+}
+
+/**
+ * MDB2 SQLite result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Result_sqlite extends MDB2_Result_Common
+{
+    // }}}
+    // {{{ fetchRow()
+
+    /**
+     * Fetch a row and insert the data into an existing array.
+     *
+     * @param int       $fetchmode  how the array data should be indexed
+     * @param int    $rownum    number of the row where the data can be found
+     * @return int data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+    {
+        if (null !== $rownum) {
+            $seek = $this->seek($rownum);
+            if (PEAR::isError($seek)) {
+                return $seek;
+            }
+        }
+        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+            $fetchmode = $this->db->fetchmode;
+        }
+        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+            $row = @sqlite_fetch_array($this->result, SQLITE_ASSOC);
+            if (is_array($row)
+                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            ) {
+                $row = array_change_key_case($row, $this->db->options['field_case']);
+            }
+        } else {
+           $row = @sqlite_fetch_array($this->result, SQLITE_NUM);
+        }
+        if (!$row) {
+            if (false === $this->result) {
+                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+                return $err;
+            }
+            $null = null;
+            return $null;
+        }
+        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+        $rtrim = false;
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+            if (empty($this->types)) {
+                $mode += MDB2_PORTABILITY_RTRIM;
+            } else {
+                $rtrim = true;
+            }
+        }
+        if ($mode) {
+            $this->db->_fixResultArrayValues($row, $mode);
+        }
+        if (!empty($this->types)) {
+            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+        }
+        if (!empty($this->values)) {
+            $this->_assignBindColumns($row);
+        }
+        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+            $object_class = $this->db->options['fetch_class'];
+            if ($object_class == 'stdClass') {
+                $row = (object) $row;
+            } else {
+                $rowObj = new $object_class($row);
+                $row = $rowObj;
+            }
+        }
+        ++$this->rownum;
+        return $row;
+    }
+
+    // }}}
+    // {{{ _getColumnNames()
+
+    /**
+     * Retrieve the names of columns returned by the DBMS in a query result.
+     *
+     * @return  mixed   Array variable that holds the names of columns as keys
+     *                  or an MDB2 error on failure.
+     *                  Some DBMS may not return any columns when the result set
+     *                  does not contain any rows.
+     * @access private
+     */
+    function _getColumnNames()
+    {
+        $columns = array();
+        $numcols = $this->numCols();
+        if (PEAR::isError($numcols)) {
+            return $numcols;
+        }
+        for ($column = 0; $column < $numcols; $column++) {
+            $column_name = @sqlite_field_name($this->result, $column);
+            $columns[$column_name] = $column;
+        }
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_change_key_case($columns, $this->db->options['field_case']);
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ numCols()
+
+    /**
+     * Count the number of columns returned by the DBMS in a query result.
+     *
+     * @access public
+     * @return mixed integer value with the number of columns, a MDB2 error
+     *                       on failure
+     */
+    function numCols()
+    {
+        $cols = @sqlite_num_fields($this->result);
+        if (null === $cols) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return count($this->types);
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get column count', __FUNCTION__);
+        }
+        return $cols;
+    }
+}
+
+/**
+ * MDB2 SQLite buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedResult_sqlite extends MDB2_Result_sqlite
+{
+    // {{{ seek()
+
+    /**
+     * Seek to a specific row in a result set
+     *
+     * @param int    $rownum    number of the row where the data can be found
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function seek($rownum = 0)
+    {
+        if (!@sqlite_seek($this->result, $rownum)) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return MDB2_OK;
+            }
+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+                'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+        }
+        $this->rownum = $rownum - 1;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ valid()
+
+    /**
+     * Check if the end of the result set has been reached
+     *
+     * @return mixed true or false on sucess, a MDB2 error on failure
+     * @access public
+     */
+    function valid()
+    {
+        $numrows = $this->numRows();
+        if (PEAR::isError($numrows)) {
+            return $numrows;
+        }
+        return $this->rownum < ($numrows - 1);
+    }
+
+    // }}}
+    // {{{ numRows()
+
+    /**
+     * Returns the number of rows in a result object
+     *
+     * @return mixed MDB2 Error Object or the number of rows
+     * @access public
+     */
+    function numRows()
+    {
+        $rows = @sqlite_num_rows($this->result);
+        if (null === $rows) {
+            if (false === $this->result) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'resultset has already been freed', __FUNCTION__);
+            }
+            if (null === $this->result) {
+                return 0;
+            }
+            return $this->db->raiseError(null, null, null,
+                'Could not get row count', __FUNCTION__);
+        }
+        return $rows;
+    }
+}
+
+/**
+ * MDB2 SQLite statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Statement_sqlite extends MDB2_Statement_Common
+{
+
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/sqlsrv.php b/program/lib/MDB2/Driver/sqlsrv.php
new file mode 100644
index 000000000..c00aaf48f
--- /dev/null
+++ b/program/lib/MDB2/Driver/sqlsrv.php
@@ -0,0 +1,1165 @@
+<?php

+// vim: set et ts=4 sw=4 fdm=marker:

+// +----------------------------------------------------------------------+

+// | PHP versions 4 and 5                                                 |

+// +----------------------------------------------------------------------+

+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,                 |

+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |

+// | All rights reserved.                                                 |

+// +----------------------------------------------------------------------+

+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

+// | API as well as database abstraction for PHP applications.            |

+// | This LICENSE is in the BSD license style.                            |

+// |                                                                      |

+// | Redistribution and use in source and binary forms, with or without   |

+// | modification, are permitted provided that the following conditions   |

+// | are met:                                                             |

+// |                                                                      |

+// | Redistributions of source code must retain the above copyright       |

+// | notice, this list of conditions and the following disclaimer.        |

+// |                                                                      |

+// | Redistributions in binary form must reproduce the above copyright    |

+// | notice, this list of conditions and the following disclaimer in the  |

+// | documentation and/or other materials provided with the distribution. |

+// |                                                                      |

+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

+// | Lukas Smith nor the names of his contributors may be used to endorse |

+// | or promote products derived from this software without specific prior|

+// | written permission.                                                  |

+// |                                                                      |

+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

+// | POSSIBILITY OF SUCH DAMAGE.                                          |

+// +----------------------------------------------------------------------+

+// | Author: Frank M. Kromann <frank@kromann.info>                        |

+// +----------------------------------------------------------------------+

+// {{{ Class MDB2_Driver_sqlsrv

+/**

+ * MDB2 MSSQL Server (native) driver

+ *

+ * @package MDB2

+ * @category Database

+ */

+class MDB2_Driver_sqlsrv extends MDB2_Driver_Common

+{

+    // {{{ properties

+

+    var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);

+

+    var $identifier_quoting = array('start' => '[', 'end' => ']', 'escape' => ']');

+	

+	var $connection = null;

+

+    // }}}

+    // {{{ constructor

+

+    /**

+     * Constructor

+     */

+    function __construct()

+    {

+        parent::__construct();

+

+        $this->phptype = 'sqlsrv';

+        $this->dbsyntax = 'sqlsrv';

+

+        $this->supported['sequences'] = 'emulated';

+        $this->supported['indexes'] = true;

+        $this->supported['affected_rows'] = true;

+        $this->supported['summary_functions'] = true;

+        $this->supported['transactions'] = true;

+        $this->supported['order_by_text'] = true;

+        $this->supported['savepoints'] = false;

+        $this->supported['current_id'] = 'emulated';

+        $this->supported['limit_queries'] = 'emulated';

+        $this->supported['LOBs'] = true;

+        $this->supported['replace'] = 'emulated';

+        $this->supported['sub_selects'] = true;

+        $this->supported['triggers'] = true;

+        $this->supported['auto_increment'] = true;

+        $this->supported['primary_key'] = true;

+        $this->supported['result_introspection'] = true;

+        $this->supported['prepared_statements'] = 'emulated';

+        $this->supported['identifier_quoting'] = false;

+        $this->supported['pattern_escaping'] = true;

+        $this->supported['new_link'] = true;

+

+        $this->options['DBA_username'] = false;

+        $this->options['DBA_password'] = false;

+        $this->options['database_device'] = false;

+        $this->options['database_size'] = false;

+        $this->options['max_identifiers_length'] = 128; // MS Access: 64

+    }

+

+    // }}}

+    // {{{ errorInfo()

+

+    /**

+     * This method is used to collect information about an error

+     *

+     * @param integer $error

+     * @return array

+     * @access public

+     */

+    function errorInfo($error = null, $connection = null)

+    {

+        if (null === $connection) {

+			if (!$this->connection) {

+                $this->connect();

+            }

+            $connection = $this->connection;

+        }

+

+        $native_code = null;

+        $native_msg  = null;

+        if ($connection) {

+			$retErrors = sqlsrv_errors(SQLSRV_ERR_ALL);  

+			if ($retErrors !== null) {

+				foreach ($retErrors as $arrError) {

+					$native_msg .= "SQLState: ".$arrError[ 'SQLSTATE']."\n";  

+					$native_msg .= "Error Code: ".$arrError[ 'code']."\n";  

+					$native_msg .= "Message: ".$arrError[ 'message']."\n";  

+					$native_code = $arrError[ 'code'];

+				}  

+			}			

+        }

+        if (null === $error) {

+            static $ecode_map;

+            if (empty($ecode_map)) {

+                $ecode_map = array(

+                    102   => MDB2_ERROR_SYNTAX,

+                    110   => MDB2_ERROR_VALUE_COUNT_ON_ROW,

+                    155   => MDB2_ERROR_NOSUCHFIELD,

+                    156   => MDB2_ERROR_SYNTAX,

+                    170   => MDB2_ERROR_SYNTAX,

+                    207   => MDB2_ERROR_NOSUCHFIELD,

+                    208   => MDB2_ERROR_NOSUCHTABLE,

+                    245   => MDB2_ERROR_INVALID_NUMBER,

+                    319   => MDB2_ERROR_SYNTAX,

+                    321   => MDB2_ERROR_NOSUCHFIELD,

+                    325   => MDB2_ERROR_SYNTAX,

+                    336   => MDB2_ERROR_SYNTAX,

+                    515   => MDB2_ERROR_CONSTRAINT_NOT_NULL,

+                    547   => MDB2_ERROR_CONSTRAINT,

+                    911   => MDB2_ERROR_NOT_FOUND,

+                    1018  => MDB2_ERROR_SYNTAX,

+                    1035  => MDB2_ERROR_SYNTAX,

+                    1801  => MDB2_ERROR_ALREADY_EXISTS,

+                    1913  => MDB2_ERROR_ALREADY_EXISTS,

+                    2209  => MDB2_ERROR_SYNTAX,

+                    2223  => MDB2_ERROR_SYNTAX,

+                    2248  => MDB2_ERROR_SYNTAX,

+                    2256  => MDB2_ERROR_SYNTAX,

+                    2257  => MDB2_ERROR_SYNTAX,

+                    2627  => MDB2_ERROR_CONSTRAINT,

+                    2714  => MDB2_ERROR_ALREADY_EXISTS,

+                    3607  => MDB2_ERROR_DIVZERO,

+                    3701  => MDB2_ERROR_NOSUCHTABLE,

+                    7630  => MDB2_ERROR_SYNTAX,

+                    8134  => MDB2_ERROR_DIVZERO,

+                    9303  => MDB2_ERROR_SYNTAX,

+                    9317  => MDB2_ERROR_SYNTAX,

+                    9318  => MDB2_ERROR_SYNTAX,

+                    9331  => MDB2_ERROR_SYNTAX,

+                    9332  => MDB2_ERROR_SYNTAX,

+                    15253 => MDB2_ERROR_SYNTAX,

+                );

+            }

+            if (isset($ecode_map[$native_code])) {

+                if ($native_code == 3701

+                    && preg_match('/Cannot drop the index/i', $native_msg)

+                ) {

+                   $error = MDB2_ERROR_NOT_FOUND;

+                } else {

+                    $error = $ecode_map[$native_code];

+                }

+            }

+        }

+        return array($error, $native_code, $native_msg);

+    }

+

+    // }}}

+    // {{{ function escapePattern($text)

+

+    /**

+     * Quotes pattern (% and _) characters in a string)

+     *

+     * @param   string  the input string to quote

+     *

+     * @return  string  quoted string

+     *

+     * @access  public

+     */

+    function escapePattern($text)

+    {

+        $text = str_replace("[", "[ [ ]", $text);

+        foreach ($this->wildcards as $wildcard) {

+            $text = str_replace($wildcard, '[' . $wildcard . ']', $text);

+        }

+        return $text;

+    }

+

+    // }}}

+    // {{{ beginTransaction()

+

+    /**

+     * Start a transaction or set a savepoint.

+     *

+     * @param   string  name of a savepoint to set

+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

+     *

+     * @access  public

+     */

+    function beginTransaction($savepoint = null)

+    {

+        $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

+        if (null !== $savepoint) {

+            if (!$this->in_transaction) {

+                return $this->raiseError(MDB2_ERROR_INVALID, null, null,

+                    'savepoint cannot be released when changes are auto committed', __FUNCTION__);

+            }

+            $query = 'SAVE TRANSACTION '.$savepoint;

+            return $this->_doQuery($query, true);

+        }

+        if ($this->in_transaction) {

+            return MDB2_OK;  //nothing to do

+        }

+        if (!$this->destructor_registered && $this->opened_persistent) {

+            $this->destructor_registered = true;

+            register_shutdown_function('MDB2_closeOpenTransactions');

+        }

+        if (PEAR::isError(sqlsrv_begin_transaction($this->connection))) {

+            return MDB2_ERROR;

+        }

+        $this->in_transaction = true;

+        return MDB2_OK;

+    }

+

+    // }}}

+    // {{{ commit()

+

+    /**

+     * Commit the database changes done during a transaction that is in

+     * progress or release a savepoint. This function may only be called when

+     * auto-committing is disabled, otherwise it will fail. Therefore, a new

+     * transaction is implicitly started after committing the pending changes.

+     *

+     * @param   string  name of a savepoint to release

+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

+     *

+     * @access  public

+     */

+    function commit($savepoint = null)

+    {

+        $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

+        if (!$this->in_transaction) {

+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

+                'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);

+        }

+        if (null !== $savepoint) {

+            return MDB2_OK;

+        }

+

+        if (PEAR::isError(sqlsrv_commit($this->connection))) {

+            return MDB2_ERROR;

+        }

+        $this->in_transaction = false;

+        return MDB2_OK;

+    }

+

+    // }}}

+    // {{{ rollback()

+

+    /**

+     * Cancel any database changes done during a transaction or since a specific

+     * savepoint that is in progress. This function may only be called when

+     * auto-committing is disabled, otherwise it will fail. Therefore, a new

+     * transaction is implicitly started after canceling the pending changes.

+     *

+     * @param   string  name of a savepoint to rollback to

+     * @return  mixed   MDB2_OK on success, a MDB2 error on failure

+     *

+     * @access  public

+     */

+    function rollback($savepoint = null)

+    {

+        $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));

+        if (!$this->in_transaction) {

+            return $this->raiseError(MDB2_ERROR_INVALID, null, null,

+                'rollback cannot be done changes are auto committed', __FUNCTION__);

+        }

+        if (null !== $savepoint) {

+            $query = 'ROLLBACK TRANSACTION '.$savepoint;

+            return $this->_doQuery($query, true);

+        }

+

+        if (PEAR::isError(sqlsrv_rollback($this->connection))) {

+            return MDB2_ERROR;

+        }

+        $this->in_transaction = false;

+        return MDB2_OK;

+    }

+

+    // }}}

+    // {{{ _doConnect()

+

+    /**

+     * do the grunt work of the connect

+     *

+     * @return connection on success or MDB2 Error Object on failure

+     * @access protected

+     */

+    function _doConnect($username, $password, $database=null, $persistent = false)

+    {

+        if (!PEAR::loadExtension($this->phptype)) {

+            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

+                'extension '.$this->phptype.' is not installed PHP', __FUNCTION__);

+        }

+

+        $host = $this->dsn['hostspec'] ? $this->dsn['hostspec'] : '.\\SQLEXPRESS';

+        $params = array(

+            'UID' => $username ? $username : null,

+            'PWD' => $password ? $password : null,

+        );

+		if ($database) {

+            $params['Database'] = $database;

+        }

+		

+        if ($this->dsn['port'] && $this->dsn['port'] != 1433) {

+            $host .= ','.$this->dsn['port'];

+        }

+

+        $connection = @sqlsrv_connect($host, $params);

+        if (!$connection) {

+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,

+                'unable to establish a connection', __FUNCTION__, __FUNCTION__);

+        }

+        if (null !== $database) {

+            $this->connected_database_name = $database;

+        }

+

+        if (!empty($this->dsn['charset'])) {

+            $result = $this->setCharset($this->dsn['charset'], $connection);

+            if (PEAR::isError($result)) {

+                return $result;

+            }

+        }

+

+       if (empty($this->dsn['disable_iso_date'])) {

+           @sqlsrv_query($connection,'SET DATEFORMAT ymd');

+       }

+

+       return $connection;

+    }

+

+    // }}}

+    // {{{ connect()

+

+    /**

+     * Connect to the database

+     *

+     * @return true on success, MDB2 Error Object on failure

+     */

+    function connect()

+    {

+        if (is_resource($this->connection)) {

+            if (MDB2::areEquals($this->connected_dsn, $this->dsn)) {

+                return MDB2_OK;

+            }

+            $this->disconnect(false);

+        }

+

+        $connection = $this->_doConnect(

+            $this->dsn['username'],

+            $this->dsn['password'],

+            $this->database_name,

+            $this->options['persistent']

+        );

+        if (PEAR::isError($connection)) {

+            return $connection;

+        }

+

+        $this->connection = $connection;

+        $this->connected_dsn = $this->dsn;

+        $this->connected_database_name = $this->database_name;

+        $this->opened_persistent = $this->options['persistent'];

+        $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;

+

+        return MDB2_OK;

+    }

+

+    // }}}

+    // {{{ databaseExists()

+

+    /**

+     * check if given database name exists?

+     *

+     * @param string $name    name of the database that should be checked

+     *

+     * @return mixed true/false on success, a MDB2 error on failure

+     * @access public

+     */

+    function databaseExists($name)

+    {

+        $connection = $this->_doConnect($this->dsn['username'],$this->dsn['password']);

+        if (PEAR::isError($connection)) {

+            return MDB2_ERROR_CONNECT_FAILED;

+        }

+		$result = @sqlsrv_query($connection,'select name from master..sysdatabases where name = \''.strtolower($name).'\'');

+		if (@sqlsrv_fetch($result)) {

+			return true;

+		}

+        return MDB2_ERROR_NOT_FOUND;

+    }

+

+    // }}}

+    // {{{ disconnect()

+

+    /**

+     * Log out and disconnect from the database.

+     *

+     * @param  boolean $force if the disconnect should be forced even if the

+     *                        connection is opened persistently

+     * @return mixed true on success, false if not connected and error

+     *                object on error

+     * @access public

+     */

+    function disconnect($force = true)

+    {

+        if (is_resource($this->connection)) {

+            if ($this->in_transaction) {

+                $dsn = $this->dsn;

+                $database_name = $this->database_name;

+                $persistent = $this->options['persistent'];

+                $this->dsn = $this->connected_dsn;

+                $this->database_name = $this->connected_database_name;

+                $this->options['persistent'] = $this->opened_persistent;

+                $this->rollback();

+                $this->dsn = $dsn;

+                $this->database_name = $database_name;

+                $this->options['persistent'] = $persistent;

+            }

+

+            @sqlsrv_close($this->connection);

+        }

+        return parent::disconnect($force);

+    }

+

+    // }}}

+    // {{{ standaloneQuery()

+

+   /**

+     * execute a query as DBA

+     *

+     * @param string $query the SQL query

+     * @param mixed   $types  array that contains the types of the columns in

+     *                        the result set

+     * @param boolean $is_manip  if the query is a manipulation query

+     * @return mixed MDB2_OK on success, a MDB2 error on failure

+     * @access public

+     */

+    function &standaloneQuery($query, $types = null, $is_manip = false)

+    {

+        $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];

+        $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];

+        $connection = $this->_doConnect($user, $pass, $this->database_name, $this->options['persistent']);

+        if (PEAR::isError($connection)) {

+            return $connection;

+        }

+

+        $query = $this->_modifyQuery($query, $is_manip, $this->limit, $this->offset);

+        $this->offset = $this->limit = 0;

+        

+        $result =& $this->_doQuery($query, $is_manip, $connection);

+        if (!PEAR::isError($result)) {

+            $result = $this->_affectedRows($connection, $result);

+        }

+

+        @sqlsrv_close($connection);

+        return $result;

+    }

+

+    // }}}

+    // {{{ _doQuery()

+

+    /**

+     * Execute a query

+     * @param string $query  query

+     * @param boolean $is_manip  if the query is a manipulation query

+     * @param resource $connection

+     * @param string $database_name

+     * @return result or error object

+     * @access protected

+     */

+    function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)

+    {

+        $this->last_query = $query;

+        $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));

+        if ($result) {

+            if (PEAR::isError($result)) {

+                return $result;

+            }

+            $query = $result;

+        }

+        if ($this->options['disable_query']) {

+            $result = $is_manip ? 0 : null;

+            return $result;

+        }

+

+        if (null === $connection) {

+            $connection = $this->getConnection();

+            if (PEAR::isError($connection)) {

+                return $connection;

+            }

+        }

+        if (null === $database_name) {

+            $database_name = $this->database_name;

+        }

+

+        if ($database_name && $database_name != $this->connected_database_name) {

+			$connection = $this->_doConnect($this->dsn['username'],$this->dsn['password'],$database_name);

+			if (PEAR::isError($connection)) {

+				$err = $this->raiseError(null, null, null,

+					'Could not select the database: '.$database_name, __FUNCTION__);

+				return $err;

+			}

+			$this->connected_database_name = $database_name;

+        }

+

+	$query = preg_replace('/DATE_FORMAT\((MIN\()?([\w|.]*)(\))?\\Q, \'%Y-%m-%d\')\E/i','CONVERT(varchar(10),$1$2$3,120)',$query); 

+	$query = preg_replace('/DATE_FORMAT\(([\w|.]*)\, \'\%Y\-\%m\-\%d %H\:00\:00\'\)/i','CONVERT(varchar(13),$1,120)+\':00:00\'',$query); 

+        $result = @sqlsrv_query($connection,$query);

+        if (!$result) {

+            $err =& $this->raiseError(null, null, null,

+                'Could not execute statement', __FUNCTION__);

+            return $err;

+        }

+        $this->result = $result;

+        $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));

+        return $result;

+    }

+

+    // }}}

+    // {{{ _affectedRows()

+

+    /**

+     * Returns the number of rows affected

+     *

+     * @param resource $result

+     * @param resource $connection

+     * @return mixed MDB2 Error Object or the number of rows affected

+     * @access private

+     */

+    function _affectedRows($connection, $result = null)

+    {

+        if (null === $result) {

+            $result = $this->result;

+        }

+        return sqlsrv_rows_affected($this->result);

+    }

+

+    // }}}

+    // {{{ _modifyQuery()

+

+    /**

+     * Changes a query string for various DBMS specific reasons

+     *

+     * @param string $query  query to modify

+     * @param boolean $is_manip  if it is a DML query

+     * @param integer $limit  limit the number of rows

+     * @param integer $offset  start reading from given offset

+     * @return string modified query

+     * @access protected

+     */

+    function _modifyQuery($query, $is_manip, $limit, $offset)

+    {

+        if ($limit > 0) {

+            $fetch = $offset + $limit;

+            if (!$is_manip) {

+                return preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',

+                    "\\1SELECT\\2 TOP $fetch", $query);

+            }

+        }

+        return $query;

+    }

+

+    // }}}

+    // {{{ getServerVersion()

+

+    /**

+     * return version information about the server

+     *

+     * @param bool   $native  determines if the raw version string should be returned

+     * @return mixed array/string with version information or MDB2 error object

+     * @access public

+     */

+    function getServerVersion($native = false)

+    {

+        if ($this->connected_server_info) {

+            $server_info = $this->connected_server_info;

+        } else {

+            $server_info = sqlsrv_server_info($this->connection);

+        }

+        // cache server_info

+        $this->connected_server_info = $server_info;

+		$version = $server_info['SQLServerVersion'];

+        if (!$native) {

+            if (preg_match('/(\d+)\.(\d+)\.(\d+)/', $version, $tmp)) {

+                $version = array(

+                    'major' => $tmp[1],

+                    'minor' => $tmp[2],

+                    'patch' => $tmp[3],

+                    'extra' => null,

+                    'native' => $version,

+                );

+            } else {

+                $version = array(

+                    'major' => null,

+                    'minor' => null,

+                    'patch' => null,

+                    'extra' => null,

+                    'native' => $version,

+                );

+            }

+        }

+        return $version;

+    }

+

+    // }}}

+    // {{{ _checkSequence

+

+    /**

+     * Checks if there's a sequence that exists.

+     *

+     * @param  string $seq_name    The sequence name to verify.

+     * @return bool   $tableExists The value if the table exists or not

+     * @access private

+     */

+    function _checkSequence($seq_name)

+    {

+        $query = "SELECT * FROM $seq_name";

+        $tableExists =& $this->_doQuery($query, true);

+        if (PEAR::isError($tableExists)) {

+            if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {

+                return false;

+            }

+            return false;

+        }

+		if (@sqlsrv_fetch($tableExits)) {

+			return true;

+		}

+        return false;

+    }

+

+    // }}}

+    // {{{ nextID()

+

+    /**

+     * Returns the next free id of a sequence

+     *

+     * @param string $seq_name name of the sequence

+     * @param boolean $ondemand when true the sequence is

+     *                          automatic created, if it

+     *                          not exists

+     *

+     * @return mixed MDB2 Error Object or id

+     * @access public

+     */

+    function nextID($seq_name, $ondemand = true)

+    {

+        $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);

+        $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);

+        $this->pushErrorHandling(PEAR_ERROR_RETURN);

+        $this->expectError(MDB2_ERROR_NOSUCHTABLE);

+        

+        $seq_val = $this->_checkSequence($sequence_name);

+

+        if ($seq_val) {

+            $query = "SET IDENTITY_INSERT $sequence_name OFF ".

+                     "INSERT INTO $sequence_name DEFAULT VALUES";

+        } else {

+            $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (0)";

+        }

+        $result =& $this->_doQuery($query, true);

+        $this->popExpect();

+        $this->popErrorHandling();

+        if (PEAR::isError($result)) {

+            if ($ondemand && !$this->_checkSequence($sequence_name)) {

+                $this->loadModule('Manager', null, true);

+                $result = $this->manager->createSequence($seq_name);

+                if (PEAR::isError($result)) {

+                    return $this->raiseError($result, null, null,

+                        'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);

+                } else {

+                    /**

+                     * Little off-by-one problem with the sequence emulation

+                     * here being fixed, that instead of re-calling nextID

+                     * and forcing an increment by one, we simply check if it

+                     * exists, then we get the last inserted id if it does.

+                     *

+                     * In theory, $seq_name should be created otherwise there would

+                     * have been an error thrown somewhere up there.. 

+                     *

+                     * @todo confirm

+                     */

+                    if ($this->_checkSequence($seq_name)) {

+                        return $this->lastInsertID($seq_name);

+                    }

+

+                    return $this->nextID($seq_name, false);

+                }

+            }

+            return $result;

+        }

+        $value = $this->lastInsertID($sequence_name);

+        if (is_numeric($value)) {

+            $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";

+            $result =& $this->_doQuery($query, true);

+            if (PEAR::isError($result)) {

+                $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;

+            }

+        }

+        return $value;

+    }

+

+    // }}}

+    // {{{ lastInsertID()

+

+    /**

+     * Returns the autoincrement ID if supported or $id or fetches the current

+     * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)

+     *

+     * @param string $table name of the table into which a new row was inserted

+     * @param string $field name of the field into which a new row was inserted

+     *

+     * @return mixed MDB2 Error Object or id

+     * @access public

+     */

+    function lastInsertID($table = null, $field = null)

+    {

+        return $this->queryOne("SELECT IDENT_CURRENT('$table')", 'integer');

+    }

+

+    // }}}

+}

+

+// }}}

+// {{{ Class MDB2_Result_mssql

+

+/**

+ * MDB2 MSSQL Server result driver

+ *

+ * @package MDB2

+ * @category Database

+ * @author  Frank M. Kromann <frank@kromann.info>

+ */

+class MDB2_Result_sqlsrv extends MDB2_Result_Common

+{

+    // {{{ constructor: function __construct(&$db, &$result, $limit = 0, $offset = 0)

+

+    /**

+     * Constructor

+     */

+    function __construct(&$db, &$result, $limit = 0, $offset = 0)

+{

+        $this->db =& $db;

+        $this->result =& $result;

+        $this->offset = $offset;

+        $this->limit = max(0, $limit - 1);

+		$this->cursor = 0;

+		$this->rows = array();

+		$this->numFields = sqlsrv_num_fields($result);

+		$this->fieldMeta = sqlsrv_field_metadata($result);

+		$this->numRowsAffected = sqlsrv_rows_affected($result);

+		while ($row = sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)) {

+			if ($row !== null) {

+				if ($this->offset && $this->offset_count < $this->offset) {

+					$this->offset_count++;

+					continue;

+				}

+				foreach ($row as $k => $v) {

+					if (is_object($v) && method_exists($v, 'format')) {//DateTime Object

+						$row[$k] = $v->format("Y-m-d H:i:s");

+					}

+				}

+				$this->rows[] = $row;//read results into memory, cursors are not supported

+			}

+		}

+		$this->rowcnt = count($this->rows);

+    }

+

+    // }}}

+    // {{{ _skipLimitOffset()

+

+    /**

+     * Skip the first row of a result set.

+     *

+     * @param resource $result

+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure

+     * @access protected

+     */

+/*    function _skipLimitOffset()

+    {

+        if ($this->limit) {

+            if ($this->rownum >= $this->limit) {

+                return false;

+            }

+        }

+        if ($this->offset) {

+            while ($this->offset_count < $this->offset) {

+                ++$this->offset_count;

+                if (!is_array(@sqlsrv_fetch_array($this->result))) {

+                    $this->offset_count = $this->limit;

+                    return false;

+                }

+            }

+        }

+        return MDB2_OK;

+    }*/

+

+    // }}}

+	function array_to_obj($array, &$obj) {

+		foreach ($array as $key => $value) {

+			if (is_array($value)) {

+				$obj->$key = new stdClass();

+				array_to_obj($value, $obj->$key);

+			} else {

+				$obj->$key = $value;

+			}

+		}

+		return $obj;

+	} 

+    // {{{ fetchRow()

+

+    /**

+     * Fetch a row and insert the data into an existing array.

+     *

+     * @param int       $fetchmode  how the array data should be indexed

+     * @param int    $rownum    number of the row where the data can be found

+     * @return int data array on success, a MDB2 error on failure

+     * @access public

+     */

+    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)

+    {

+        if (!$this->result) {

+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__);

+        }

+        if (($this->limit && $this->rownum >= $this->limit) || ($this->cursor >= $this->rowcnt || $this->rowcnt == 0)) {

+            $null = null;

+            return $null;

+        }

+        if (null !== $rownum) {

+            $seek = $this->seek($rownum);

+            if (PEAR::isError($seek)) {

+                return $seek;

+            }

+        }

+		

+		$row = false;

+		$arrNum = array();

+		if ($fetchmode == MDB2_FETCHMODE_ORDERED || $fetchmode == MDB2_FETCHMODE_DEFAULT) {

+			foreach ($this->rows[$this->cursor] as $key=>$value) {

+				$arrNum[] = $value;

+			}

+		}

+		switch($fetchmode) {

+			case MDB2_FETCHMODE_ASSOC:

+				$row = $this->rows[$this->cursor];	break;

+			case MDB2_FETCHMODE_ORDERED:

+				$row = $arrNum;	break;

+			case MDB2_FETCHMODE_OBJECT:

+				$row = $this->array_to_obj($this->rows[$this->cursor],$o = new $this->db->options['fetch_class']); break;

+			case MDB2_FETCHMODE_DEFAULT:

+			default:

+			$row = $this->rows[$this->cursor] + $arrNum; break;

+		} 

+		$this->cursor++;

+		

+		/*

+        if ($fetchmode == MDB2_FETCHMODE_OBJECT) {

+			$row = sqlsrv_fetch_object($this->result,$this->db->options['fetch_class']);

+		} else {

+		switch($fetchmode) {

+			case MDB2_FETCHMODE_ASSOC: $fetchmode = SQLSRV_FETCH_ASSOC; break;

+			case MDB2_FETCHMODE_ORDERED: $fetchmode = SQLSRV_FETCH_NUMERIC; break;

+			case MDB2_FETCHMODE_DEFAULT: 

+			default: 

+				$fetchmode = SQLSRV_FETCH_BOTH;

+		}

+			$row = sqlsrv_fetch_array($this->result,$fetchmode);

+		}

+		foreach ($row as $key=>$value) {

+			if (is_object($value) && method_exists($value, 'format')) {//is DateTime object

+				$row[$key] = $value->format("Y-m-d H:i:s");

+			}

+		}*/

+		

+        /*if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {

+            $fetchmode = $this->db->fetchmode;

+        }*/

+        if ($fetchmode == MDB2_FETCHMODE_ASSOC && is_array($row) && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

+            $row = array_change_key_case($row, $this->db->options['field_case']);

+        }

+        if (!$row) {

+            if (false === $this->result) {

+                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

+                    'resultset has already been freed', __FUNCTION__);

+                return $err;

+            }

+            $null = null;

+            return $null;

+        }

+        $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;

+        $rtrim = false;

+        if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {

+            if (empty($this->types)) {

+                $mode += MDB2_PORTABILITY_RTRIM;

+            } else {

+                $rtrim = true;

+            }

+        }

+        if ($mode) {

+            $this->db->_fixResultArrayValues($row, $mode);

+        }

+        if (!empty($this->types)) {

+            $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);

+        }

+        if (!empty($this->values)) {

+            $this->_assignBindColumns($row);

+        }

+        ++$this->rownum;

+        return $row;

+    }

+

+    // }}}

+    // {{{ _getColumnNames()

+

+    /**

+     * Retrieve the names of columns returned by the DBMS in a query result.

+     *

+     * @return  mixed   Array variable that holds the names of columns as keys

+     *                  or an MDB2 error on failure.

+     *                  Some DBMS may not return any columns when the result set

+     *                  does not contain any rows.

+     * @access private

+     */

+    function _getColumnNames()

+    {

+		if (!$this->result) {

+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__);

+        }

+        $columns = array();

+		foreach ($this->fieldMeta as $col) {

+			$columns[$col['Name']] = $col['Type'];

+		}

+        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

+            $columns = array_change_key_case($columns, $this->db->options['field_case']);

+        }

+        return $columns;

+    }

+

+    // }}}

+    // {{{ numCols()

+

+    /**

+     * Count the number of columns returned by the DBMS in a query result.

+     *

+     * @return mixed integer value with the number of columns, a MDB2 error

+     *      on failure

+     * @access public

+     */

+    function numCols()

+    {

+        if (!$this->result) {

+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__);

+        }

+        $cols = $this->numFields;

+        if (!$cols) {

+            if (false === $this->result) {

+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

+                    'resultset has already been freed', __FUNCTION__);

+            }

+            if (null === $this->result) {

+                return count($this->types);

+            }

+            return $this->db->raiseError(null, null, null,

+                'Could not get column count', __FUNCTION__);

+        }

+        return $cols;

+    }

+

+    // }}}

+    // {{{ nextResult()

+

+    /**

+     * Move the internal result pointer to the next available result

+     *

+     * @return true on success, false if there is no more result set or an error object on failure

+     * @access public

+     */

+    function nextResult()

+    {

+        if (false === $this->result) {

+            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

+                'resultset has already been freed', __FUNCTION__);

+        }

+        if (null === $this->result)) {

+            return false;

+        }

+        $ret = sqlsrv_next_result($this->result);

+		if ($ret) {

+			$this->cursor = 0;

+			$this->rows = array();

+			$this->numFields = sqlsrv_num_fields($this->result);

+			$this->fieldMeta = sqlsrv_field_metadata($this->result);

+			$this->numRowsAffected = sqlsrv_rows_affected($this->result);

+			while ($row = sqlsrv_fetch_array($this->result, SQLSRV_FETCH_ASSOC)) {

+				if ($row !== null) {

+					if ($this->offset && $this->offset_count < $this->offset) {

+						$this->offset_count++;

+						continue;

+					}

+					foreach ($row as $k => $v) {

+						if (is_object($v) && method_exists($v, 'format')) {//DateTime Object

+							//$v->setTimezone(new DateTimeZone('GMT'));//TS_ISO_8601 with a trailing 'Z' is GMT

+							$row[$k] = $v->format("Y-m-d H:i:s");

+						}

+					}

+					$this->rows[] = $row;//read results into memory, cursors are not supported

+				}

+			}

+			$this->rowcnt = count($this->rows);		

+		}

+		return $ret;

+    }

+

+    // }}}

+    // {{{ free()

+

+    /**

+     * Free the internal resources associated with $result.

+     *

+     * @return boolean true on success, false if $result is invalid

+     * @access public

+     */

+    function free()

+    {

+        if (is_resource($this->result) && $this->db->connection) {

+            if (!@sqlsrv_free_stmt($this->result)) {

+                return $this->db->raiseError(null, null, null,

+                    'Could not free result', __FUNCTION__);

+            }

+        }

+        $this->result = false;

+        return MDB2_OK;

+    }

+

+    // }}}

+    // {{{ function rowCount()

+    /**

+     * Returns the actual row number that was last fetched (count from 0)

+     * @return  int

+     *

+     * @access  public

+     */

+    function rowCount()

+    {

+        return $this->cursor;

+}

+

+// }}}

+    // {{{ function numRows()

+

+/**

+     * Returns the number of rows in a result object

+     *

+     * @return  mixed   MDB2 Error Object or the number of rows

+ *

+     * @access  public

+ */

+    function numRows()

+{

+        return $this->rowcnt;

+    }

+

+    // }}}

+    // {{{ function seek($rownum = 0)

+

+    /**

+     * Seek to a specific row in a result set

+     *

+     * @param   int     number of the row where the data can be found

+     *

+     * @return mixed MDB2_OK on success, a MDB2 error on failure

+     *

+     * @access public

+     */

+    function seek($rownum = 0)

+    {

+        $this->cursor = min($rownum, $this->rowcnt);

+                return MDB2_OK;

+            }

+

+    // }}}

+    }

+

+    // }}}

+// {{{ class MDB2_BufferedResult_mssql

+

+/**

+ * MDB2 MSSQL Server buffered result driver

+ *

+ * @package MDB2

+ * @category Database

+ * @author  Frank M. Kromann <frank@kromann.info>

+ */

+class MDB2_BufferedResult_sqlsrv extends MDB2_Result_sqlsrv

+{

+    // {{{ valid()

+

+    /**

+     * Check if the end of the result set has been reached

+     *

+     * @return mixed true or false on sucess, a MDB2 error on failure

+     * @access public

+     */

+    function valid()

+    {

+        $numrows = $this->numRows();

+        if (PEAR::isError($numrows)) {

+            return $numrows;

+        }

+        return $this->rownum < ($numrows - 1);

+    }

+

+    // }}}

+

+}

+

+// }}}

+// {{{ MDB2_Statement_mssql

+

+/**

+ * MDB2 MSSQL Server statement driver

+ *

+ * @package MDB2

+ * @category Database

+ * @author  Frank M. Kromann <frank@kromann.info>

+ */

+class MDB2_Statement_sqlsrv extends MDB2_Statement_Common

+{

+

+}

+

+// }}}

+

+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Extended.php b/program/lib/MDB2/Extended.php
index 7772c58b6..29de0a75b 100644
--- a/program/lib/MDB2/Extended.php
+++ b/program/lib/MDB2/Extended.php
@@ -1,721 +1,721 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |

-// | Stig. S. Bakken, Lukas Smith                                         |

-// | All rights reserved.                                                 |

-// +----------------------------------------------------------------------+

-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |

-// | API as well as database abstraction for PHP applications.            |

-// | This LICENSE is in the BSD license style.                            |

-// |                                                                      |

-// | Redistribution and use in source and binary forms, with or without   |

-// | modification, are permitted provided that the following conditions   |

-// | are met:                                                             |

-// |                                                                      |

-// | Redistributions of source code must retain the above copyright       |

-// | notice, this list of conditions and the following disclaimer.        |

-// |                                                                      |

-// | Redistributions in binary form must reproduce the above copyright    |

-// | notice, this list of conditions and the following disclaimer in the  |

-// | documentation and/or other materials provided with the distribution. |

-// |                                                                      |

-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |

-// | Lukas Smith nor the names of his contributors may be used to endorse |

-// | or promote products derived from this software without specific prior|

-// | written permission.                                                  |

-// |                                                                      |

-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |

-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |

-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |

-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |

-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |

-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |

-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|

-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |

-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |

-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|

-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |

-// | POSSIBILITY OF SUCH DAMAGE.                                          |

-// +----------------------------------------------------------------------+

-// | Author: Lukas Smith <smith@pooteeweet.org>                           |

-// +----------------------------------------------------------------------+

-//

-// $Id: Extended.php,v 1.60 2007/11/28 19:49:34 quipo Exp $

-

-/**

- * @package  MDB2

- * @category Database

- * @author   Lukas Smith <smith@pooteeweet.org>

- */

-

-/**

- * Used by autoPrepare()

- */

-define('MDB2_AUTOQUERY_INSERT', 1);

-define('MDB2_AUTOQUERY_UPDATE', 2);

-define('MDB2_AUTOQUERY_DELETE', 3);

-define('MDB2_AUTOQUERY_SELECT', 4);

-

-/**

- * MDB2_Extended: class which adds several high level methods to MDB2

- *

- * @package MDB2

- * @category Database

- * @author Lukas Smith <smith@pooteeweet.org>

- */

-class MDB2_Extended extends MDB2_Module_Common

-{

-    // {{{ autoPrepare()

-

-    /**

-     * Generate an insert, update or delete query and call prepare() on it

-     *

-     * @param string table

-     * @param array the fields names

-     * @param int type of query to build

-     *                          MDB2_AUTOQUERY_INSERT

-     *                          MDB2_AUTOQUERY_UPDATE

-     *                          MDB2_AUTOQUERY_DELETE

-     *                          MDB2_AUTOQUERY_SELECT

-     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)

-     * @param array that contains the types of the placeholders

-     * @param mixed array that contains the types of the columns in

-     *                        the result set or MDB2_PREPARE_RESULT, if set to

-     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query

-     *

-     * @return resource handle for the query

-     * @see buildManipSQL

-     * @access public

-     */

-    function autoPrepare($table, $table_fields, $mode = MDB2_AUTOQUERY_INSERT,

-        $where = false, $types = null, $result_types = MDB2_PREPARE_MANIP)

-    {

-        $query = $this->buildManipSQL($table, $table_fields, $mode, $where);

-        if (PEAR::isError($query)) {

-            return $query;

-        }

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-        $lobs = array();

-        foreach ((array)$types as $param => $type) {

-            if (($type == 'clob') || ($type == 'blob')) {

-                $lobs[$param] = $table_fields[$param];

-            }

-        }

-        return $db->prepare($query, $types, $result_types, $lobs);

-    }

-

-    // }}}

-    // {{{ autoExecute()

-

-    /**

-     * Generate an insert, update or delete query and call prepare() and execute() on it

-     *

-     * @param string name of the table

-     * @param array assoc ($key=>$value) where $key is a field name and $value its value

-     * @param int type of query to build

-     *                          MDB2_AUTOQUERY_INSERT

-     *                          MDB2_AUTOQUERY_UPDATE

-     *                          MDB2_AUTOQUERY_DELETE

-     *                          MDB2_AUTOQUERY_SELECT

-     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)

-     * @param array that contains the types of the placeholders

-     * @param string which specifies which result class to use

-     * @param mixed  array that contains the types of the columns in

-     *                        the result set or MDB2_PREPARE_RESULT, if set to

-     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query

-     *

-     * @return bool|MDB2_Error true on success, a MDB2 error on failure

-     * @see buildManipSQL

-     * @see autoPrepare

-     * @access public

-    */

-    function &autoExecute($table, $fields_values, $mode = MDB2_AUTOQUERY_INSERT,

-        $where = false, $types = null, $result_class = true, $result_types = MDB2_PREPARE_MANIP)

-    {

-        $fields_values = (array)$fields_values;

-        if ($mode == MDB2_AUTOQUERY_SELECT) {

-            if (is_array($result_types)) {

-                $keys = array_keys($result_types);

-            } elseif (!empty($fields_values)) {

-                $keys = $fields_values;

-            } else {

-                $keys = array();

-            }

-        } else {

-            $keys = array_keys($fields_values);

-        }

-        $params = array_values($fields_values);

-        if (empty($params)) {

-            $query = $this->buildManipSQL($table, $keys, $mode, $where);

-

-            $db =& $this->getDBInstance();

-            if (PEAR::isError($db)) {

-                return $db;

-            }

-            if ($mode == MDB2_AUTOQUERY_SELECT) {

-                $result =& $db->query($query, $result_types, $result_class);

-            } else {

-                $result = $db->exec($query);

-            }

-        } else {

-            $stmt = $this->autoPrepare($table, $keys, $mode, $where, $types, $result_types);

-            if (PEAR::isError($stmt)) {

-                return $stmt;

-            }

-            $result =& $stmt->execute($params, $result_class);

-            $stmt->free();

-        }

-        return $result;

-    }

-

-    // }}}

-    // {{{ buildManipSQL()

-

-    /**

-     * Make automaticaly an sql query for prepare()

-     *

-     * Example : buildManipSQL('table_sql', array('field1', 'field2', 'field3'), MDB2_AUTOQUERY_INSERT)

-     *           will return the string : INSERT INTO table_sql (field1,field2,field3) VALUES (?,?,?)

-     * NB : - This belongs more to a SQL Builder class, but this is a simple facility

-     *      - Be carefull ! If you don't give a $where param with an UPDATE/DELETE query, all

-     *        the records of the table will be updated/deleted !

-     *

-     * @param string name of the table

-     * @param ordered array containing the fields names

-     * @param int type of query to build

-     *                          MDB2_AUTOQUERY_INSERT

-     *                          MDB2_AUTOQUERY_UPDATE

-     *                          MDB2_AUTOQUERY_DELETE

-     *                          MDB2_AUTOQUERY_SELECT

-     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)

-     *

-     * @return string sql query for prepare()

-     * @access public

-     */

-    function buildManipSQL($table, $table_fields, $mode, $where = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if ($db->options['quote_identifier']) {

-            $table = $db->quoteIdentifier($table);

-        }

-

-        if (!empty($table_fields) && $db->options['quote_identifier']) {

-            foreach ($table_fields as $key => $field) {

-                $table_fields[$key] = $db->quoteIdentifier($field);

-            }

-        }

-

-        if ($where !== false && !is_null($where)) {

-            if (is_array($where)) {

-                $where = implode(' AND ', $where);

-            }

-            $where = ' WHERE '.$where;

-        }

-

-        switch ($mode) {

-        case MDB2_AUTOQUERY_INSERT:

-            if (empty($table_fields)) {

-                return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Insert requires table fields', __FUNCTION__);

-            }

-            $cols = implode(', ', $table_fields);

-            $values = '?'.str_repeat(', ?', (count($table_fields) - 1));

-            return 'INSERT INTO '.$table.' ('.$cols.') VALUES ('.$values.')';

-            break;

-        case MDB2_AUTOQUERY_UPDATE:

-            if (empty($table_fields)) {

-                return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Update requires table fields', __FUNCTION__);

-            }

-            $set = implode(' = ?, ', $table_fields).' = ?';

-            $sql = 'UPDATE '.$table.' SET '.$set.$where;

-            return $sql;

-            break;

-        case MDB2_AUTOQUERY_DELETE:

-            $sql = 'DELETE FROM '.$table.$where;

-            return $sql;

-            break;

-        case MDB2_AUTOQUERY_SELECT:

-            $cols = !empty($table_fields) ? implode(', ', $table_fields) : '*';

-            $sql = 'SELECT '.$cols.' FROM '.$table.$where;

-            return $sql;

-            break;

-        }

-        return $db->raiseError(MDB2_ERROR_SYNTAX, null, null,

-                'Non existant mode', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ limitQuery()

-

-    /**

-     * Generates a limited query

-     *

-     * @param string query

-     * @param array that contains the types of the columns in the result set

-     * @param integer the numbers of rows to fetch

-     * @param integer the row to start to fetching

-     * @param string which specifies which result class to use

-     * @param mixed   string which specifies which class to wrap results in

-     *

-     * @return MDB2_Result|MDB2_Error result set on success, a MDB2 error on failure

-     * @access public

-     */

-    function &limitQuery($query, $types, $limit, $offset = 0, $result_class = true,

-        $result_wrap_class = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->setLimit($limit, $offset);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $result =& $db->query($query, $types, $result_class, $result_wrap_class);

-        return $result;

-    }

-

-    // }}}

-    // {{{ execParam()

-

-    /**

-     * Execute a parameterized DML statement.

-     *

-     * @param string the SQL query

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     *

-     * @return int|MDB2_Error affected rows on success, a MDB2 error on failure

-     * @access public

-     */

-    function execParam($query, $params = array(), $param_types = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        if (empty($params)) {

-            return $db->exec($query);

-        }

-

-        $stmt = $db->prepare($query, $param_types, MDB2_PREPARE_MANIP);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        $stmt->free();

-        return $result;

-    }

-

-    // }}}

-    // {{{ getOne()

-

-    /**

-     * Fetch the first column of the first row of data returned from a query.

-     * Takes care of doing the query and freeing the results when finished.

-     *

-     * @param string the SQL query

-     * @param string that contains the type of the column in the result set

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     * @param int|string which column to return

-     *

-     * @return scalar|MDB2_Error data on success, a MDB2 error on failure

-     * @access public

-     */

-    function getOne($query, $type = null, $params = array(),

-        $param_types = null, $colnum = 0)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        settype($type, 'array');

-        if (empty($params)) {

-            return $db->queryOne($query, $type, $colnum);

-        }

-

-        $stmt = $db->prepare($query, $param_types, $type);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (!MDB2::isResultCommon($result)) {

-            return $result;

-        }

-

-        $one = $result->fetchOne($colnum);

-        $stmt->free();

-        $result->free();

-        return $one;

-    }

-

-    // }}}

-    // {{{ getRow()

-

-    /**

-     * Fetch the first row of data returned from a query.  Takes care

-     * of doing the query and freeing the results when finished.

-     *

-     * @param string the SQL query

-     * @param array that contains the types of the columns in the result set

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     * @param int the fetch mode to use

-     *

-     * @return array|MDB2_Error data on success, a MDB2 error on failure

-     * @access public

-     */

-    function getRow($query, $types = null, $params = array(),

-        $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        if (empty($params)) {

-            return $db->queryRow($query, $types, $fetchmode);

-        }

-

-        $stmt = $db->prepare($query, $param_types, $types);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (!MDB2::isResultCommon($result)) {

-            return $result;

-        }

-

-        $row = $result->fetchRow($fetchmode);

-        $stmt->free();

-        $result->free();

-        return $row;

-    }

-

-    // }}}

-    // {{{ getCol()

-

-    /**

-     * Fetch a single column from a result set and return it as an

-     * indexed array.

-     *

-     * @param string the SQL query

-     * @param string that contains the type of the column in the result set

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     * @param int|string which column to return

-     *

-     * @return array|MDB2_Error data on success, a MDB2 error on failure

-     * @access public

-     */

-    function getCol($query, $type = null, $params = array(),

-        $param_types = null, $colnum = 0)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        settype($type, 'array');

-        if (empty($params)) {

-            return $db->queryCol($query, $type, $colnum);

-        }

-

-        $stmt = $db->prepare($query, $param_types, $type);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (!MDB2::isResultCommon($result)) {

-            return $result;

-        }

-

-        $col = $result->fetchCol($colnum);

-        $stmt->free();

-        $result->free();

-        return $col;

-    }

-

-    // }}}

-    // {{{ getAll()

-

-    /**

-     * Fetch all the rows returned from a query.

-     *

-     * @param string the SQL query

-     * @param array that contains the types of the columns in the result set

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     * @param int the fetch mode to use

-     * @param bool if set to true, the $all will have the first

-     *       column as its first dimension

-     * @param bool $force_array used only when the query returns exactly

-     *       two columns. If true, the values of the returned array will be

-     *       one-element arrays instead of scalars.

-     * @param bool $group if true, the values of the returned array is

-     *       wrapped in another array.  If the same key value (in the first

-     *       column) repeats itself, the values will be appended to this array

-     *       instead of overwriting the existing values.

-     *

-     * @return array|MDB2_Error data on success, a MDB2 error on failure

-     * @access public

-     */

-    function getAll($query, $types = null, $params = array(),

-        $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT,

-        $rekey = false, $force_array = false, $group = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        if (empty($params)) {

-            return $db->queryAll($query, $types, $fetchmode, $rekey, $force_array, $group);

-        }

-

-        $stmt = $db->prepare($query, $param_types, $types);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (!MDB2::isResultCommon($result)) {

-            return $result;

-        }

-

-        $all = $result->fetchAll($fetchmode, $rekey, $force_array, $group);

-        $stmt->free();

-        $result->free();

-        return $all;

-    }

-

-    // }}}

-    // {{{ getAssoc()

-

-    /**

-     * Fetch the entire result set of a query and return it as an

-     * associative array using the first column as the key.

-     *

-     * If the result set contains more than two columns, the value

-     * will be an array of the values from column 2-n.  If the result

-     * set contains only two columns, the returned value will be a

-     * scalar with the value of the second column (unless forced to an

-     * array with the $force_array parameter).  A MDB2 error code is

-     * returned on errors.  If the result set contains fewer than two

-     * columns, a MDB2_ERROR_TRUNCATED error is returned.

-     *

-     * For example, if the table 'mytable' contains:

-     * <pre>

-     *   ID      TEXT       DATE

-     * --------------------------------

-     *   1       'one'      944679408

-     *   2       'two'      944679408

-     *   3       'three'    944679408

-     * </pre>

-     * Then the call getAssoc('SELECT id,text FROM mytable') returns:

-     * <pre>

-     *    array(

-     *      '1' => 'one',

-     *      '2' => 'two',

-     *      '3' => 'three',

-     *    )

-     * </pre>

-     * ...while the call getAssoc('SELECT id,text,date FROM mytable') returns:

-     * <pre>

-     *    array(

-     *      '1' => array('one', '944679408'),

-     *      '2' => array('two', '944679408'),

-     *      '3' => array('three', '944679408')

-     *    )

-     * </pre>

-     *

-     * If the more than one row occurs with the same value in the

-     * first column, the last row overwrites all previous ones by

-     * default.  Use the $group parameter if you don't want to

-     * overwrite like this.  Example:

-     * <pre>

-     * getAssoc('SELECT category,id,name FROM mytable', null, null

-     *           MDB2_FETCHMODE_ASSOC, false, true) returns:

-     *    array(

-     *      '1' => array(array('id' => '4', 'name' => 'number four'),

-     *                   array('id' => '6', 'name' => 'number six')

-     *             ),

-     *      '9' => array(array('id' => '4', 'name' => 'number four'),

-     *                   array('id' => '6', 'name' => 'number six')

-     *             )

-     *    )

-     * </pre>

-     *

-     * Keep in mind that database functions in PHP usually return string

-     * values for results regardless of the database's internal type.

-     *

-     * @param string the SQL query

-     * @param array that contains the types of the columns in the result set

-     * @param array if supplied, prepare/execute will be used

-     *       with this array as execute parameters

-     * @param array that contains the types of the values defined in $params

-     * @param bool $force_array used only when the query returns

-     * exactly two columns.  If TRUE, the values of the returned array

-     * will be one-element arrays instead of scalars.

-     * @param bool $group if TRUE, the values of the returned array

-     *       is wrapped in another array.  If the same key value (in the first

-     *       column) repeats itself, the values will be appended to this array

-     *       instead of overwriting the existing values.

-     *

-     * @return array|MDB2_Error data on success, a MDB2 error on failure

-     * @access public

-     */

-    function getAssoc($query, $types = null, $params = array(), $param_types = null,

-        $fetchmode = MDB2_FETCHMODE_DEFAULT, $force_array = false, $group = false)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        settype($params, 'array');

-        if (empty($params)) {

-            return $db->queryAll($query, $types, $fetchmode, true, $force_array, $group);

-        }

-

-        $stmt = $db->prepare($query, $param_types, $types);

-        if (PEAR::isError($stmt)) {

-            return $stmt;

-        }

-

-        $result = $stmt->execute($params);

-        if (!MDB2::isResultCommon($result)) {

-            return $result;

-        }

-

-        $all = $result->fetchAll($fetchmode, true, $force_array, $group);

-        $stmt->free();

-        $result->free();

-        return $all;

-    }

-

-    // }}}

-    // {{{ executeMultiple()

-

-    /**

-     * This function does several execute() calls on the same statement handle.

-     * $params must be an array indexed numerically from 0, one execute call is

-     * done for every 'row' in the array.

-     *

-     * If an error occurs during execute(), executeMultiple() does not execute

-     * the unfinished rows, but rather returns that error.

-     *

-     * @param resource query handle from prepare()

-     * @param array numeric array containing the data to insert into the query

-     *

-     * @return bool|MDB2_Error true on success, a MDB2 error on failure

-     * @access public

-     * @see prepare(), execute()

-     */

-    function executeMultiple(&$stmt, $params = null)

-    {

-        for ($i = 0, $j = count($params); $i < $j; $i++) {

-            $result = $stmt->execute($params[$i]);

-            if (PEAR::isError($result)) {

-                return $result;

-            }

-        }

-        return MDB2_OK;

-    }

-

-    // }}}

-    // {{{ getBeforeID()

-

-    /**

-     * Returns the next free id of a sequence if the RDBMS

-     * does not support auto increment

-     *

-     * @param string name of the table into which a new row was inserted

-     * @param string name of the field into which a new row was inserted

-     * @param bool when true the sequence is automatic created, if it not exists

-     * @param bool if the returned value should be quoted

-     *

-     * @return int|MDB2_Error id on success, a MDB2 error on failure

-     * @access public

-     */

-    function getBeforeID($table, $field = null, $ondemand = true, $quote = true)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if ($db->supports('auto_increment') !== true) {

-            $seq = $table.(empty($field) ? '' : '_'.$field);

-            $id = $db->nextID($seq, $ondemand);

-            if (!$quote || PEAR::isError($id)) {

-                return $id;

-            }

-            return $db->quote($id, 'integer');

-        } elseif (!$quote) {

-            return null;

-        }

-        return 'NULL';

-    }

-

-    // }}}

-    // {{{ getAfterID()

-

-    /**

-     * Returns the autoincrement ID if supported or $id

-     *

-     * @param mixed value as returned by getBeforeId()

-     * @param string name of the table into which a new row was inserted

-     * @param string name of the field into which a new row was inserted

-     *

-     * @return int|MDB2_Error id on success, a MDB2 error on failure

-     * @access public

-     */

-    function getAfterID($id, $table, $field = null)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        if ($db->supports('auto_increment') !== true) {

-            return $id;

-        }

-        return $db->lastInsertID($table, $field);

-    }

-

-    // }}}

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: Extended.php 292715 2009-12-28 14:06:34Z quipo $
+
+/**
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ */
+
+/**
+ * Used by autoPrepare()
+ */
+define('MDB2_AUTOQUERY_INSERT', 1);
+define('MDB2_AUTOQUERY_UPDATE', 2);
+define('MDB2_AUTOQUERY_DELETE', 3);
+define('MDB2_AUTOQUERY_SELECT', 4);
+
+/**
+ * MDB2_Extended: class which adds several high level methods to MDB2
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Extended extends MDB2_Module_Common
+{
+    // {{{ autoPrepare()
+
+    /**
+     * Generate an insert, update or delete query and call prepare() on it
+     *
+     * @param string table
+     * @param array the fields names
+     * @param int type of query to build
+     *                          MDB2_AUTOQUERY_INSERT
+     *                          MDB2_AUTOQUERY_UPDATE
+     *                          MDB2_AUTOQUERY_DELETE
+     *                          MDB2_AUTOQUERY_SELECT
+     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)
+     * @param array that contains the types of the placeholders
+     * @param mixed array that contains the types of the columns in
+     *                        the result set or MDB2_PREPARE_RESULT, if set to
+     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query
+     *
+     * @return resource handle for the query
+     * @see buildManipSQL
+     * @access public
+     */
+    function autoPrepare($table, $table_fields, $mode = MDB2_AUTOQUERY_INSERT,
+        $where = false, $types = null, $result_types = MDB2_PREPARE_MANIP)
+    {
+        $query = $this->buildManipSQL($table, $table_fields, $mode, $where);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $lobs = array();
+        foreach ((array)$types as $param => $type) {
+            if (($type == 'clob') || ($type == 'blob')) {
+                $lobs[$param] = $table_fields[$param];
+            }
+        }
+        return $db->prepare($query, $types, $result_types, $lobs);
+    }
+
+    // }}}
+    // {{{ autoExecute()
+
+    /**
+     * Generate an insert, update or delete query and call prepare() and execute() on it
+     *
+     * @param string name of the table
+     * @param array assoc ($key=>$value) where $key is a field name and $value its value
+     * @param int type of query to build
+     *                          MDB2_AUTOQUERY_INSERT
+     *                          MDB2_AUTOQUERY_UPDATE
+     *                          MDB2_AUTOQUERY_DELETE
+     *                          MDB2_AUTOQUERY_SELECT
+     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)
+     * @param array that contains the types of the placeholders
+     * @param string which specifies which result class to use
+     * @param mixed  array that contains the types of the columns in
+     *                        the result set or MDB2_PREPARE_RESULT, if set to
+     *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query
+     *
+     * @return bool|MDB2_Error true on success, a MDB2 error on failure
+     * @see buildManipSQL
+     * @see autoPrepare
+     * @access public
+    */
+    function &autoExecute($table, $fields_values, $mode = MDB2_AUTOQUERY_INSERT,
+        $where = false, $types = null, $result_class = true, $result_types = MDB2_PREPARE_MANIP)
+    {
+        $fields_values = (array)$fields_values;
+        if ($mode == MDB2_AUTOQUERY_SELECT) {
+            if (is_array($result_types)) {
+                $keys = array_keys($result_types);
+            } elseif (!empty($fields_values)) {
+                $keys = $fields_values;
+            } else {
+                $keys = array();
+            }
+        } else {
+            $keys = array_keys($fields_values);
+        }
+        $params = array_values($fields_values);
+        if (empty($params)) {
+            $query = $this->buildManipSQL($table, $keys, $mode, $where);
+
+            $db =& $this->getDBInstance();
+            if (PEAR::isError($db)) {
+                return $db;
+            }
+            if ($mode == MDB2_AUTOQUERY_SELECT) {
+                $result =& $db->query($query, $result_types, $result_class);
+            } else {
+                $result = $db->exec($query);
+            }
+        } else {
+            $stmt = $this->autoPrepare($table, $keys, $mode, $where, $types, $result_types);
+            if (PEAR::isError($stmt)) {
+                return $stmt;
+            }
+            $result =& $stmt->execute($params, $result_class);
+            $stmt->free();
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ buildManipSQL()
+
+    /**
+     * Make automaticaly an sql query for prepare()
+     *
+     * Example : buildManipSQL('table_sql', array('field1', 'field2', 'field3'), MDB2_AUTOQUERY_INSERT)
+     *           will return the string : INSERT INTO table_sql (field1,field2,field3) VALUES (?,?,?)
+     * NB : - This belongs more to a SQL Builder class, but this is a simple facility
+     *      - Be carefull ! If you don't give a $where param with an UPDATE/DELETE query, all
+     *        the records of the table will be updated/deleted !
+     *
+     * @param string name of the table
+     * @param ordered array containing the fields names
+     * @param int type of query to build
+     *                          MDB2_AUTOQUERY_INSERT
+     *                          MDB2_AUTOQUERY_UPDATE
+     *                          MDB2_AUTOQUERY_DELETE
+     *                          MDB2_AUTOQUERY_SELECT
+     * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement)
+     *
+     * @return string sql query for prepare()
+     * @access public
+     */
+    function buildManipSQL($table, $table_fields, $mode, $where = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($db->options['quote_identifier']) {
+            $table = $db->quoteIdentifier($table);
+        }
+
+        if (!empty($table_fields) && $db->options['quote_identifier']) {
+            foreach ($table_fields as $key => $field) {
+                $table_fields[$key] = $db->quoteIdentifier($field);
+            }
+        }
+
+        if ((false !== $where) && (null !== $where)) {
+            if (is_array($where)) {
+                $where = implode(' AND ', $where);
+            }
+            $where = ' WHERE '.$where;
+        }
+
+        switch ($mode) {
+        case MDB2_AUTOQUERY_INSERT:
+            if (empty($table_fields)) {
+                return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Insert requires table fields', __FUNCTION__);
+            }
+            $cols = implode(', ', $table_fields);
+            $values = '?'.str_repeat(', ?', (count($table_fields) - 1));
+            return 'INSERT INTO '.$table.' ('.$cols.') VALUES ('.$values.')';
+            break;
+        case MDB2_AUTOQUERY_UPDATE:
+            if (empty($table_fields)) {
+                return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Update requires table fields', __FUNCTION__);
+            }
+            $set = implode(' = ?, ', $table_fields).' = ?';
+            $sql = 'UPDATE '.$table.' SET '.$set.$where;
+            return $sql;
+            break;
+        case MDB2_AUTOQUERY_DELETE:
+            $sql = 'DELETE FROM '.$table.$where;
+            return $sql;
+            break;
+        case MDB2_AUTOQUERY_SELECT:
+            $cols = !empty($table_fields) ? implode(', ', $table_fields) : '*';
+            $sql = 'SELECT '.$cols.' FROM '.$table.$where;
+            return $sql;
+            break;
+        }
+        return $db->raiseError(MDB2_ERROR_SYNTAX, null, null,
+                'Non existant mode', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ limitQuery()
+
+    /**
+     * Generates a limited query
+     *
+     * @param string query
+     * @param array that contains the types of the columns in the result set
+     * @param integer the numbers of rows to fetch
+     * @param integer the row to start to fetching
+     * @param string which specifies which result class to use
+     * @param mixed   string which specifies which class to wrap results in
+     *
+     * @return MDB2_Result|MDB2_Error result set on success, a MDB2 error on failure
+     * @access public
+     */
+    function &limitQuery($query, $types, $limit, $offset = 0, $result_class = true,
+        $result_wrap_class = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->setLimit($limit, $offset);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $result =& $db->query($query, $types, $result_class, $result_wrap_class);
+        return $result;
+    }
+
+    // }}}
+    // {{{ execParam()
+
+    /**
+     * Execute a parameterized DML statement.
+     *
+     * @param string the SQL query
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     *
+     * @return int|MDB2_Error affected rows on success, a MDB2 error on failure
+     * @access public
+     */
+    function execParam($query, $params = array(), $param_types = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        if (empty($params)) {
+            return $db->exec($query);
+        }
+
+        $stmt = $db->prepare($query, $param_types, MDB2_PREPARE_MANIP);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $stmt->free();
+        return $result;
+    }
+
+    // }}}
+    // {{{ getOne()
+
+    /**
+     * Fetch the first column of the first row of data returned from a query.
+     * Takes care of doing the query and freeing the results when finished.
+     *
+     * @param string the SQL query
+     * @param string that contains the type of the column in the result set
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     * @param int|string which column to return
+     *
+     * @return scalar|MDB2_Error data on success, a MDB2 error on failure
+     * @access public
+     */
+    function getOne($query, $type = null, $params = array(),
+        $param_types = null, $colnum = 0)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        settype($type, 'array');
+        if (empty($params)) {
+            return $db->queryOne($query, $type, $colnum);
+        }
+
+        $stmt = $db->prepare($query, $param_types, $type);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $one = $result->fetchOne($colnum);
+        $stmt->free();
+        $result->free();
+        return $one;
+    }
+
+    // }}}
+    // {{{ getRow()
+
+    /**
+     * Fetch the first row of data returned from a query.  Takes care
+     * of doing the query and freeing the results when finished.
+     *
+     * @param string the SQL query
+     * @param array that contains the types of the columns in the result set
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     * @param int the fetch mode to use
+     *
+     * @return array|MDB2_Error data on success, a MDB2 error on failure
+     * @access public
+     */
+    function getRow($query, $types = null, $params = array(),
+        $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        if (empty($params)) {
+            return $db->queryRow($query, $types, $fetchmode);
+        }
+
+        $stmt = $db->prepare($query, $param_types, $types);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $row = $result->fetchRow($fetchmode);
+        $stmt->free();
+        $result->free();
+        return $row;
+    }
+
+    // }}}
+    // {{{ getCol()
+
+    /**
+     * Fetch a single column from a result set and return it as an
+     * indexed array.
+     *
+     * @param string the SQL query
+     * @param string that contains the type of the column in the result set
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     * @param int|string which column to return
+     *
+     * @return array|MDB2_Error data on success, a MDB2 error on failure
+     * @access public
+     */
+    function getCol($query, $type = null, $params = array(),
+        $param_types = null, $colnum = 0)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        settype($type, 'array');
+        if (empty($params)) {
+            return $db->queryCol($query, $type, $colnum);
+        }
+
+        $stmt = $db->prepare($query, $param_types, $type);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $col = $result->fetchCol($colnum);
+        $stmt->free();
+        $result->free();
+        return $col;
+    }
+
+    // }}}
+    // {{{ getAll()
+
+    /**
+     * Fetch all the rows returned from a query.
+     *
+     * @param string the SQL query
+     * @param array that contains the types of the columns in the result set
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     * @param int the fetch mode to use
+     * @param bool if set to true, the $all will have the first
+     *       column as its first dimension
+     * @param bool $force_array used only when the query returns exactly
+     *       two columns. If true, the values of the returned array will be
+     *       one-element arrays instead of scalars.
+     * @param bool $group if true, the values of the returned array is
+     *       wrapped in another array.  If the same key value (in the first
+     *       column) repeats itself, the values will be appended to this array
+     *       instead of overwriting the existing values.
+     *
+     * @return array|MDB2_Error data on success, a MDB2 error on failure
+     * @access public
+     */
+    function getAll($query, $types = null, $params = array(),
+        $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT,
+        $rekey = false, $force_array = false, $group = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        if (empty($params)) {
+            return $db->queryAll($query, $types, $fetchmode, $rekey, $force_array, $group);
+        }
+
+        $stmt = $db->prepare($query, $param_types, $types);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $all = $result->fetchAll($fetchmode, $rekey, $force_array, $group);
+        $stmt->free();
+        $result->free();
+        return $all;
+    }
+
+    // }}}
+    // {{{ getAssoc()
+
+    /**
+     * Fetch the entire result set of a query and return it as an
+     * associative array using the first column as the key.
+     *
+     * If the result set contains more than two columns, the value
+     * will be an array of the values from column 2-n.  If the result
+     * set contains only two columns, the returned value will be a
+     * scalar with the value of the second column (unless forced to an
+     * array with the $force_array parameter).  A MDB2 error code is
+     * returned on errors.  If the result set contains fewer than two
+     * columns, a MDB2_ERROR_TRUNCATED error is returned.
+     *
+     * For example, if the table 'mytable' contains:
+     * <pre>
+     *   ID      TEXT       DATE
+     * --------------------------------
+     *   1       'one'      944679408
+     *   2       'two'      944679408
+     *   3       'three'    944679408
+     * </pre>
+     * Then the call getAssoc('SELECT id,text FROM mytable') returns:
+     * <pre>
+     *    array(
+     *      '1' => 'one',
+     *      '2' => 'two',
+     *      '3' => 'three',
+     *    )
+     * </pre>
+     * ...while the call getAssoc('SELECT id,text,date FROM mytable') returns:
+     * <pre>
+     *    array(
+     *      '1' => array('one', '944679408'),
+     *      '2' => array('two', '944679408'),
+     *      '3' => array('three', '944679408')
+     *    )
+     * </pre>
+     *
+     * If the more than one row occurs with the same value in the
+     * first column, the last row overwrites all previous ones by
+     * default.  Use the $group parameter if you don't want to
+     * overwrite like this.  Example:
+     * <pre>
+     * getAssoc('SELECT category,id,name FROM mytable', null, null
+     *           MDB2_FETCHMODE_ASSOC, false, true) returns:
+     *    array(
+     *      '1' => array(array('id' => '4', 'name' => 'number four'),
+     *                   array('id' => '6', 'name' => 'number six')
+     *             ),
+     *      '9' => array(array('id' => '4', 'name' => 'number four'),
+     *                   array('id' => '6', 'name' => 'number six')
+     *             )
+     *    )
+     * </pre>
+     *
+     * Keep in mind that database functions in PHP usually return string
+     * values for results regardless of the database's internal type.
+     *
+     * @param string the SQL query
+     * @param array that contains the types of the columns in the result set
+     * @param array if supplied, prepare/execute will be used
+     *       with this array as execute parameters
+     * @param array that contains the types of the values defined in $params
+     * @param bool $force_array used only when the query returns
+     * exactly two columns.  If TRUE, the values of the returned array
+     * will be one-element arrays instead of scalars.
+     * @param bool $group if TRUE, the values of the returned array
+     *       is wrapped in another array.  If the same key value (in the first
+     *       column) repeats itself, the values will be appended to this array
+     *       instead of overwriting the existing values.
+     *
+     * @return array|MDB2_Error data on success, a MDB2 error on failure
+     * @access public
+     */
+    function getAssoc($query, $types = null, $params = array(), $param_types = null,
+        $fetchmode = MDB2_FETCHMODE_DEFAULT, $force_array = false, $group = false)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        settype($params, 'array');
+        if (empty($params)) {
+            return $db->queryAll($query, $types, $fetchmode, true, $force_array, $group);
+        }
+
+        $stmt = $db->prepare($query, $param_types, $types);
+        if (PEAR::isError($stmt)) {
+            return $stmt;
+        }
+
+        $result = $stmt->execute($params);
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $all = $result->fetchAll($fetchmode, true, $force_array, $group);
+        $stmt->free();
+        $result->free();
+        return $all;
+    }
+
+    // }}}
+    // {{{ executeMultiple()
+
+    /**
+     * This function does several execute() calls on the same statement handle.
+     * $params must be an array indexed numerically from 0, one execute call is
+     * done for every 'row' in the array.
+     *
+     * If an error occurs during execute(), executeMultiple() does not execute
+     * the unfinished rows, but rather returns that error.
+     *
+     * @param resource query handle from prepare()
+     * @param array numeric array containing the data to insert into the query
+     *
+     * @return bool|MDB2_Error true on success, a MDB2 error on failure
+     * @access public
+     * @see prepare(), execute()
+     */
+    function executeMultiple(&$stmt, $params = null)
+    {
+        for ($i = 0, $j = count($params); $i < $j; $i++) {
+            $result = $stmt->execute($params[$i]);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ getBeforeID()
+
+    /**
+     * Returns the next free id of a sequence if the RDBMS
+     * does not support auto increment
+     *
+     * @param string name of the table into which a new row was inserted
+     * @param string name of the field into which a new row was inserted
+     * @param bool when true the sequence is automatic created, if it not exists
+     * @param bool if the returned value should be quoted
+     *
+     * @return int|MDB2_Error id on success, a MDB2 error on failure
+     * @access public
+     */
+    function getBeforeID($table, $field = null, $ondemand = true, $quote = true)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($db->supports('auto_increment') !== true) {
+            $seq = $table.(empty($field) ? '' : '_'.$field);
+            $id = $db->nextID($seq, $ondemand);
+            if (!$quote || PEAR::isError($id)) {
+                return $id;
+            }
+            return $db->quote($id, 'integer');
+        } elseif (!$quote) {
+            return null;
+        }
+        return 'NULL';
+    }
+
+    // }}}
+    // {{{ getAfterID()
+
+    /**
+     * Returns the autoincrement ID if supported or $id
+     *
+     * @param mixed value as returned by getBeforeId()
+     * @param string name of the table into which a new row was inserted
+     * @param string name of the field into which a new row was inserted
+     *
+     * @return int|MDB2_Error id on success, a MDB2 error on failure
+     * @access public
+     */
+    function getAfterID($id, $table, $field = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($db->supports('auto_increment') !== true) {
+            return $id;
+        }
+        return $db->lastInsertID($table, $field);
+    }
+
+    // }}}
+}
 ?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Iterator.php b/program/lib/MDB2/Iterator.php
index ca5e7b69c..2eb0d715a 100644
--- a/program/lib/MDB2/Iterator.php
+++ b/program/lib/MDB2/Iterator.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: Iterator.php,v 1.22 2006/05/06 14:03:41 lsmith Exp $
+// $Id: Iterator.php 212543 2006-05-06 14:03:41Z lsmith $
 
 /**
  * PHP5 Iterator
diff --git a/program/lib/MDB2/LOB.php b/program/lib/MDB2/LOB.php
index 69db267d6..ff2342dbb 100644
--- a/program/lib/MDB2/LOB.php
+++ b/program/lib/MDB2/LOB.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: LOB.php,v 1.34 2006/10/25 11:52:21 lsmith Exp $
+// $Id: LOB.php 222350 2006-10-25 11:52:21Z lsmith $
 
 /**
  * @package  MDB2