Add PDO to requirements, remove MDB2 package

7 files changed, 0 insertions, 4162 deletions

diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php
deleted file mode 100644
index 5d9f27ccb..000000000
--- a/program/lib/MDB2/Driver/Reverse/Common.php
+++ /dev/null
@@ -1,517 +0,0 @@
-<?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
deleted file mode 100644
index e83ab6f60..000000000
--- a/program/lib/MDB2/Driver/Reverse/mssql.php
+++ /dev/null
@@ -1,653 +0,0 @@
-<?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 295587 2010-02-28 17:16:38Z 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
deleted file mode 100644
index 1cd2ad9c0..000000000
--- a/program/lib/MDB2/Driver/Reverse/mysql.php
+++ /dev/null
@@ -1,546 +0,0 @@
-<?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 295587 2010-02-28 17:16:38Z 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 = '';
-                    }
-                }
-                $definition[0] = array(
-                    'notnull' => $notnull,
-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
-                );
-                $autoincrement = false;
-                if (!empty($column['extra'])) {
-                    if ($column['extra'] == 'auto_increment') {
-                        $autoincrement = true;
-                    } else {
-                        $definition[0]['extra'] = $column['extra'];
-                    }
-                }
-                $collate = null;
-                if (!empty($column['collation'])) {
-                    $collate = $column['collation'];
-                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
-                }
-
-                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 $db;
-        }
-        //Use INFORMATION_SCHEMA instead?
-        //SELECT *
-        //  FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
-        // WHERE CONSTRAINT_SCHEMA = '$dbname'
-        //   AND TABLE_NAME = '$table'
-        //   AND CONSTRAINT_NAME = '$constraint_name';
-        $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 ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/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 ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/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++
-                    );
-                }
-                $definition['ondelete'] = empty($matches[4]) ? 'RESTRICT' : strtoupper($matches[4]);
-                $definition['onupdate'] = empty($matches[5]) ? 'RESTRICT' : strtoupper($matches[5]);
-                $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
deleted file mode 100644
index 10e918338..000000000
--- a/program/lib/MDB2/Driver/Reverse/mysqli.php
+++ /dev/null
@@ -1,610 +0,0 @@
-<?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 295587 2010-02-28 17:16:38Z 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 = '';
-                    }
-                }
-                $definition[0] = array(
-                    'notnull' => $notnull,
-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
-                );
-                $autoincrement = false;
-                if (!empty($column['extra'])) {
-                    if ($column['extra'] == 'auto_increment') {
-                        $autoincrement = true;
-                    } else {
-                        $definition[0]['extra'] = $column['extra'];
-                    }
-                }
-                $collate = null;
-                if (!empty($column['collation'])) {
-                    $collate = $column['collation'];
-                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
-                }
-
-                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 $db;
-        }
-        //Use INFORMATION_SCHEMA instead?
-        //SELECT *
-        //  FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
-        // WHERE CONSTRAINT_SCHEMA = '$dbname'
-        //   AND TABLE_NAME = '$table'
-        //   AND CONSTRAINT_NAME = '$constraint_name';
-        $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 ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/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 ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/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++
-                    );
-                }
-                $definition['ondelete'] = empty($matches[4]) ? 'RESTRICT' : strtoupper($matches[4]);
-                $definition['onupdate'] = empty($matches[5]) ? 'RESTRICT' : strtoupper($matches[5]);
-                $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
deleted file mode 100644
index a630f306c..000000000
--- a/program/lib/MDB2/Driver/Reverse/pgsql.php
+++ /dev/null
@@ -1,574 +0,0 @@
-<?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 295587 2010-02-28 17:16:38Z 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
deleted file mode 100644
index 43cec992a..000000000
--- a/program/lib/MDB2/Driver/Reverse/sqlite.php
+++ /dev/null
@@ -1,609 +0,0 @@
-<?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 295587 2010-02-28 17:16:38Z 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|TINYINT|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
deleted file mode 100644
index d913594e9..000000000
--- a/program/lib/MDB2/Driver/Reverse/sqlsrv.php
+++ /dev/null
@@ -1,653 +0,0 @@
-<?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