added all mdb2 drivers

7 files changed, 1874 insertions, 0 deletions

diff --git a/program/lib/MDB2/Driver/Reverse/fbsql.php b/program/lib/MDB2/Driver/Reverse/fbsql.php
new file mode 100755
index 000000000..d20d1957a
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/fbsql.php
@@ -0,0 +1,157 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 FrontBase driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Reverse_fbsql extends MDB2_Driver_Reverse_Common
+{
+    // }}}
+    // {{{ 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            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     */
+    function tableInfo($result, $mode = null)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+
+            $connected = $db->connect();
+            if (PEAR::isError($connected)) {
+                return $connected;
+            }
+            $id = @fbsql_list_fields($db->database_name, $result, $db->connection);
+            $got_string = true;
+        } elseif (MDB2::isResultCommon($result)) {
+            /*
+             * Probably received a result object.
+             * Extract the result resource identifier.
+             */
+            $id = $result->getResource();
+            $got_string = false;
+        } else {
+            /*
+             * Probably received a result resource identifier.
+             * Copy it.
+             * Deprecated.  Here for compatibility only.
+             */
+            $id = $result;
+            $got_string = false;
+        }
+
+        if (!is_resource($id)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+        }
+
+        if ($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';
+        }
+
+        $count = @fbsql_num_fields($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => $case_func(@fbsql_field_table($id, $i)),
+                'name'  => $case_func(@fbsql_field_name($id, $i)),
+                'type'  => @fbsql_field_type($id, $i),
+                'len'   => @fbsql_field_len($id, $i),
+                'flags' => @fbsql_field_flags($id, $i),
+            );
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        // free the result only if we were called on a table
+        if ($got_string) {
+            @fbsql_free_result($id);
+        }
+        return $res;
+    }
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/ibase.php b/program/lib/MDB2/Driver/Reverse/ibase.php
new file mode 100755
index 000000000..8895744fc
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/ibase.php
@@ -0,0 +1,238 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 InterbaseBase driver for the reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Reverse_ibase extends MDB2_Driver_Reverse_Common
+{
+    // }}}
+    // {{{ 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)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->_doQuery("SELECT * FROM $result WHERE 1=0");
+            if (PEAR::isError($id)) {
+                return $id;
+            }
+            $got_string = true;
+        } elseif (MDB2::isResultCommon($result)) {
+            /*
+             * Probably received a result object.
+             * Extract the result resource identifier.
+             */
+            $id = $result->getResource();
+            $got_string = false;
+        } else {
+            /*
+             * Probably received a result resource identifier.
+             * Copy it.
+             * Deprecated.  Here for compatibility only.
+             */
+            $id = $result;
+            $got_string = false;
+        }
+
+        if (!is_resource($id)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+        }
+
+        if ($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';
+        }
+
+        $count = @ibase_num_fields($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            $info = @ibase_field_info($id, $i);
+            $res[$i] = array(
+                'table' => $got_string ? $case_func($result) : '',
+                'name'  => $case_func($info['name']),
+                'type'  => $info['type'],
+                'len'   => $info['length'],
+                'flags' => ($got_string)
+                            ? $this->_ibaseFieldFlags($info['name'], $result) : '',
+            );
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        // free the result only if we were called on a table
+        if ($got_string) {
+            @ibase_free_result($id);
+        }
+        return $res;
+    }
+
+    // }}}
+    // {{{ _ibaseFieldFlags()
+
+    /**
+     * Get the column's flags
+     *
+     * Supports "primary_key", "unique_key", "not_null", "default",
+     * "computed" and "blob".
+     *
+     * @param string $field_name  the name of the field
+     * @param string $table_name  the name of the table
+     *
+     * @return string  the flags
+     *
+     * @access protected
+     */
+    function _ibaseFieldFlags($field_name, $table_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT R.RDB$CONSTRAINT_TYPE CTYPE'
+               .' FROM RDB$INDEX_SEGMENTS I'
+               .'  JOIN RDB$RELATION_CONSTRAINTS R ON I.RDB$INDEX_NAME=R.RDB$INDEX_NAME'
+               .' WHERE I.RDB$FIELD_NAME=\'' . $field_name . '\''
+               .'  AND UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\'';
+
+        $result = $db->_doQuery($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $flags = '';
+        if ($obj = @ibase_fetch_object($result)) {
+            @ibase_free_result($result);
+            if (isset($obj->CTYPE)  && trim($obj->CTYPE) == 'PRIMARY KEY') {
+                $flags.= 'primary_key ';
+            }
+            if (isset($obj->CTYPE)  && trim($obj->CTYPE) == 'UNIQUE') {
+                $flags.= 'unique_key ';
+            }
+        }
+
+        $query = 'SELECT R.RDB$NULL_FLAG AS NFLAG,'
+               .'  R.RDB$DEFAULT_SOURCE AS DSOURCE,'
+               .'  F.RDB$FIELD_TYPE AS FTYPE,'
+               .'  F.RDB$COMPUTED_SOURCE AS CSOURCE'
+               .' FROM RDB$RELATION_FIELDS R '
+               .'  JOIN RDB$FIELDS F ON R.RDB$FIELD_SOURCE=F.RDB$FIELD_NAME'
+               .' WHERE UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\''
+               .'  AND R.RDB$FIELD_NAME=\'' . $field_name . '\'';
+
+        $result = $db->_doQuery($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($obj = @ibase_fetch_object($result)) {
+            @ibase_free_result($result);
+            if (isset($obj->NFLAG)) {
+                $flags.= 'not_null ';
+            }
+            if (isset($obj->DSOURCE)) {
+                $flags.= 'default ';
+            }
+            if (isset($obj->CSOURCE)) {
+                $flags.= 'computed ';
+            }
+            if (isset($obj->FTYPE)  && $obj->FTYPE == 261) {
+                $flags.= 'blob ';
+            }
+        }
+
+        return trim($flags);
+    }
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php
new file mode 100755
index 000000000..658b7df60
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/mssql.php
@@ -0,0 +1,269 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+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>
+ */
+class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
+{
+    // }}}
+    // {{{ 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)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->_doQuery("SELECT TOP 0 * FROM [$result]");
+            if (PEAR::isError($id)) {
+                return $id;
+            }
+
+            $got_string = true;
+        } elseif (MDB2::isResultCommon($result)) {
+            /*
+             * Probably received a result object.
+             * Extract the result resource identifier.
+             */
+            $id = $result->getResource();
+            $got_string = false;
+        } else {
+            /*
+             * Probably received a result resource identifier.
+             * Copy it.
+             * Deprecated.  Here for compatibility only.
+             */
+            $id = $result;
+            $got_string = false;
+        }
+
+        if (!is_resource($id)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+        }
+
+        if ($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';
+        }
+
+        $count = @mssql_num_fields($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => $got_string ? $case_func($result) : '',
+                'name'  => $case_func(@mssql_field_name($id, $i)),
+                'type'  => @mssql_field_type($id, $i),
+                'len'   => @mssql_field_length($id, $i),
+                // We only support flags for table
+                'flags' => $got_string
+                           ? $this->_mssql_field_flags($result, @mssql_field_name($id, $i)) : '',
+            );
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        // free the result only if we were called on a table
+        if ($got_string) {
+            @mssql_free_result($id);
+        }
+        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) {
+                $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, $db->options['field_case']);
+                if ($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[$val['column_name']], 'timestamp');
+                }
+            }
+        }
+
+        if (array_key_exists($column, $flags)) {
+            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);
+        }
+    }
+}
+?>
diff --git a/program/lib/MDB2/Driver/Reverse/mysqli.php b/program/lib/MDB2/Driver/Reverse/mysqli.php
new file mode 100755
index 000000000..f452c0d53
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/mysqli.php
@@ -0,0 +1,368 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 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>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+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>
+ */
+class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
+{
+    /**
+     * Array for converting MYSQLI_*_FLAG constants to text values
+     * @var    array
+     * @access public
+     * @since  Property available since Release 1.6.5
+     */
+    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
+     * @since  Property available since Release 1.6.5
+     */
+    var $types = array(
+        MYSQLI_TYPE_DECIMAL     => '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 stucture of a field into an array
+     *
+     * @param string    $table         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, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $column['field'] = strtolower($column['field']);
+                } else {
+                    $column['field'] = strtoupper($column['field']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            if ($field_name == $column['field']) {
+                list($types, $length) = $db->datatype->mapNativeDatatype($column);
+                $notnull = false;
+                if (array_key_exists('null', $column) && $column['null'] != 'YES') {
+                    $notnull = true;
+                }
+                $default = false;
+                if (array_key_exists('default', $column)) {
+                    $default = $column['default'];
+                    if (is_null($default) && $notnull) {
+                        $default = '';
+                    }
+                }
+                $autoincrement = false;
+                if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') {
+                    $autoincrement = true;
+                }
+                $definition = array();
+                foreach ($types as $key => $type) {
+                    $definition[$key] = array(
+                        'type' => $type,
+                        'notnull' => $notnull,
+                    );
+                    if ($length > 0) {
+                        $definition[$key]['length'] = $length;
+                    }
+                    if ($default !== false) {
+                        $definition[$key]['default'] = $default;
+                    }
+                    if ($autoincrement !== false) {
+                        $definition[$key]['autoincrement'] = $autoincrement;
+                    }
+                }
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR, null, null,
+            'getTableFieldDefinition: it was not specified an existing table column');
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * get the stucture of an index into an array
+     *
+     * @param string    $table      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, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->query("SHOW INDEX FROM $table");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE)
+                || $db->options['field_case'] != CASE_LOWER
+            ) {
+                $row = array_change_key_case($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['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();
+                if (array_key_exists('collation', $row)) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (!array_key_exists('fields', $definition)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: it was not specified an existing table index');
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ 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)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->_doQuery("SELECT * FROM $result LIMIT 0");
+            if (PEAR::isError($id)) {
+                return $id;
+            }
+            $got_string = true;
+        } elseif (MDB2::isResultCommon($result)) {
+            /*
+             * Probably received a result object.
+             * Extract the result resource identifier.
+             */
+            $id = $result->getResource();
+            $got_string = false;
+        } else {
+            /*
+             * Probably received a result resource identifier.
+             * Copy it.
+             * Deprecated.  Here for compatibility only.
+             */
+            $id = $result;
+            $got_string = false;
+        }
+
+        if (!is_a($id, 'mysqli_result')) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+        }
+
+        if ($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';
+        }
+
+        $count = @mysqli_num_fields($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            $tmp = @mysqli_fetch_field($id);
+
+            $flags = '';
+            foreach ($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',
+                'len'   => $tmp->max_length,
+                'flags' => $flags,
+            );
+
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        // free the result only if we were called on a table
+        if ($got_string) {
+            @mysqli_free_result($id);
+        }
+        return $res;
+    }
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/oci8.php b/program/lib/MDB2/Driver/Reverse/oci8.php
new file mode 100755
index 000000000..7447fb008
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/oci8.php
@@ -0,0 +1,178 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 Oracle driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Reverse_oci8 extends MDB2_Driver_Reverse_Common
+{
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+     * is a table name.
+     *
+     * NOTE: flags won't contain index information.
+     *
+     * @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)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($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';
+        }
+
+        $res = array();
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $result = strtoupper($result);
+            $query = 'SELECT column_name, data_type, data_length, '
+                        . 'nullable '
+                        . 'FROM user_tab_columns '
+                        . "WHERE table_name='$result' ORDER BY column_id";
+
+            $stmt = $db->_doQuery($query);
+            if (PEAR::isError($stmt)) {
+                return $stmt;
+            }
+
+            $i = 0;
+            while (@OCIFetch($stmt)) {
+                $res[$i] = array(
+                    'table' => $case_func($result),
+                    'name'  => $case_func(@OCIResult($stmt, 1)),
+                    'type'  => @OCIResult($stmt, 2),
+                    'len'   => @OCIResult($stmt, 3),
+                    'flags' => (@OCIResult($stmt, 4) == 'N') ? 'not_null' : '',
+                );
+                if ($mode & MDB2_TABLEINFO_ORDER) {
+                    $res['order'][$res[$i]['name']] = $i;
+                }
+                if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                    $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+                }
+                $i++;
+            }
+
+            if ($mode) {
+                $res['num_fields'] = $i;
+            }
+            @OCIFreeStatement($stmt);
+
+        } else {
+            if (MDB2::isResultCommon($result)) {
+                /*
+                 * Probably received a result object.
+                 * Extract the result resource identifier.
+                 */
+                $result = $result->getResource();
+            }
+
+            $res = array();
+
+            if ($result === $db->last_stmt) {
+                $count = @OCINumCols($result);
+                if ($mode) {
+                    $res['num_fields'] = $count;
+                }
+                for ($i = 0; $i < $count; $i++) {
+                    $res[$i] = array(
+                        'table' => '',
+                        'name'  => $case_func(@OCIColumnName($result, $i+1)),
+                        'type'  => @OCIColumnType($result, $i+1),
+                        'len'   => @OCIColumnSize($result, $i+1),
+                        'flags' => '',
+                    );
+                    if ($mode & MDB2_TABLEINFO_ORDER) {
+                        $res['order'][$res[$i]['name']] = $i;
+                    }
+                    if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                        $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+                    }
+                }
+            } else {
+                return $db->raiseError(MDB2_ERROR_NOT_CAPABLE);
+            }
+        }
+        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
new file mode 100755
index 000000000..28629eed0
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/pgsql.php
@@ -0,0 +1,356 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com>                                 |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+
+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>
+ */
+class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
+{
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         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, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $column = $db->queryRow("SELECT
+                    attnum,attname,typname,attlen,attnotnull,
+                    atttypmod,usename,usesysid,pg_class.oid,relpages,
+                    reltuples,relhaspkey,relhasrules,relacl,adsrc
+                    FROM pg_class,pg_user,pg_type,
+                         pg_attribute left outer join pg_attrdef on
+                         pg_attribute.attrelid=pg_attrdef.adrelid
+                    WHERE (pg_class.relname='$table')
+                        and (pg_class.oid=pg_attribute.attrelid)
+                        and (pg_class.relowner=pg_user.usesysid)
+                        and (pg_attribute.atttypid=pg_type.oid)
+                        and attnum > 0
+                        and attname = '$field_name'
+                        ORDER BY attnum
+                        ", null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($column)) {
+            return $column;
+        }
+
+        list($types, $length) = $db->datatype->mapNativeDatatype($column);
+        $notnull = false;
+        if (array_key_exists('attnotnull', $column) && $column['attnotnull'] == 't') {
+            $notnull = true;
+        }
+        $default = false;
+        // todo .. check how default look like
+        if (!preg_match("/nextval\('([^']+)'/", $column['adsrc'])
+            && strlen($column['adsrc']) > 2
+        ) {
+            $default = substr($column['adsrc'], 1, -1);
+            if (is_null($default) && $notnull) {
+                $default = '';
+            }
+        }
+        $autoincrement = false;
+        if (preg_match("/nextval\('([^']+)'/", $column['adsrc'], $nextvals)) {
+            $autoincrement = true;
+        }
+        $definition = array();
+        foreach ($types as $key => $type) {
+            $definition[$key] = array(
+                'type' => $type,
+                'notnull' => $notnull,
+            );
+            if ($length > 0) {
+                $definition[$key]['length'] = $length;
+            }
+            if ($default !== false) {
+                $definition[$key]['default'] = $default;
+            }
+            if ($autoincrement !== false) {
+                $definition[$key]['autoincrement'] = $autoincrement;
+            }
+        }
+        return $definition;
+    }
+
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+    /**
+     * get the stucture of an index into an array
+     *
+     * @param string    $table      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, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT * FROM pg_index, pg_class
+            WHERE (pg_class.relname='$index_name') AND (pg_class.oid=pg_index.indexrelid)";
+        $row = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($row)) {
+            return $row;
+        }
+        if ($row['relname'] != $index_name) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: it was not specified an existing table index');
+        }
+
+        $db->loadModule('Manager');
+        $columns = $db->manager->listTableFields($table);
+
+        $definition = array();
+        if ($row['indisunique'] == 't') {
+            $definition['unique'] = true;
+        }
+
+        $index_column_numbers = explode(' ', $row['indkey']);
+
+        foreach ($index_column_numbers as $number) {
+            $definition['fields'][$columns[($number - 1)]] = array('sorting' => 'ascending');
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$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)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->_doQuery("SELECT * FROM $result LIMIT 0");
+            if (PEAR::isError($id)) {
+                return $id;
+            }
+            $got_string = true;
+        } elseif (MDB2::isResultCommon($result)) {
+            /*
+             * Probably received a result object.
+             * Extract the result resource identifier.
+             */
+            $id = $result->getResource();
+            $got_string = false;
+        } else {
+            /*
+             * Probably received a result resource identifier.
+             * Copy it.
+             * Deprecated.  Here for compatibility only.
+             */
+            $id = $result;
+            $got_string = false;
+        }
+
+        if (!is_resource($id)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+        }
+
+        if ($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';
+        }
+
+        $count = @pg_num_fields($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => $got_string ? $case_func($result) : '',
+                'name'  => $case_func(@pg_field_name($id, $i)),
+                'type'  => @pg_field_type($id, $i),
+                'len'   => @pg_field_size($id, $i),
+                'flags' => $got_string
+                           ? $this->_pgFieldFlags($id, $i, $result)
+                           : '',
+            );
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        // free the result only if we were called on a table
+        if ($got_string) {
+            @pg_free_result($id);
+        }
+        return $res;
+    }
+
+    // }}}
+    // {{{ _pgFieldFlags()
+
+    /**
+     * Get a column's flags
+     *
+     * Supports "not_null", "default_value", "primary_key", "unique_key"
+     * and "multiple_key".  The default value is passed through
+     * rawurlencode() in case there are spaces in it.
+     *
+     * @param int $resource   the PostgreSQL result identifier
+     * @param int $num_field  the field number
+     *
+     * @return string  the flags
+     *
+     * @access protected
+     */
+    function _pgFieldFlags($resource, $num_field, $table_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $field_name = @pg_field_name($resource, $num_field);
+
+        $result = @pg_query($db->connection, "SELECT f.attnotnull, f.atthasdef
+                                FROM pg_attribute f, pg_class tab, pg_type typ
+                                WHERE tab.relname = typ.typname
+                                AND typ.typrelid = f.attrelid
+                                AND f.attname = '$field_name'
+                                AND tab.relname = '$table_name'");
+        if (@pg_num_rows($result) > 0) {
+            $row = @pg_fetch_row($result, 0);
+            $flags  = ($row[0] == 't') ? 'not_null ' : '';
+
+            if ($row[1] == 't') {
+                $result = @pg_query($db->connection, "SELECT a.adsrc
+                                    FROM pg_attribute f, pg_class tab, pg_type typ, pg_attrdef a
+                                    WHERE tab.relname = typ.typname AND typ.typrelid = f.attrelid
+                                    AND f.attrelid = a.adrelid AND f.attname = '$field_name'
+                                    AND tab.relname = '$table_name' AND f.attnum = a.adnum");
+                $row = @pg_fetch_row($result, 0);
+                $num = preg_replace("/'(.*)'::\w+/", "\\1", $row[0]);
+                $flags.= 'default_' . rawurlencode($num) . ' ';
+            }
+        } else {
+            $flags = '';
+        }
+        $result = @pg_query($db->connection, "SELECT i.indisunique, i.indisprimary, i.indkey
+                                FROM pg_attribute f, pg_class tab, pg_type typ, pg_index i
+                                WHERE tab.relname = typ.typname
+                                AND typ.typrelid = f.attrelid
+                                AND f.attrelid = i.indrelid
+                                AND f.attname = '$field_name'
+                                AND tab.relname = '$table_name'");
+        $count = @pg_num_rows($result);
+
+        for ($i = 0; $i < $count ; $i++) {
+            $row = @pg_fetch_row($result, $i);
+            $keys = explode(' ', $row[2]);
+
+            if (in_array($num_field + 1, $keys)) {
+                $flags.= ($row[0] == 't' && $row[1] == 'f') ? 'unique_key ' : '';
+                $flags.= ($row[1] == 't') ? 'primary_key ' : '';
+                if (count($keys) > 1)
+                    $flags.= 'multiple_key ';
+            }
+        }
+
+        return trim($flags);
+    }
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php
new file mode 100755
index 000000000..dd56853cc
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/sqlite.php
@@ -0,0 +1,308 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 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@backendmedia.com>                         |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 SQlite driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@backendmedia.com>
+ */
+class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
+{
+
+    function _getTableColumns($query)
+    {
+        $start_pos = strpos($query, '(');
+        $end_pos = strrpos($query, ')');
+        $column_def = substr($query, $start_pos+1, $end_pos-$start_pos-1);
+        $column_sql = split(',', $column_def);
+        $columns = array();
+        $count = count($column_sql);
+        if ($count == 0) {
+            return $db->raiseError('unexpected empty table column definition list');
+        }
+        $regexp = '/^([^ ]+) (CHAR|VARCHAR|VARCHAR2|TEXT|INT|INTEGER|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( PRIMARY)?( \(([1-9][0-9]*)(,([1-9][0-9]*))?\))?( DEFAULT (\'[^\']*\'|[^ ]+))?( NOT NULL)?$/i';
+        for ($i=0, $j=0; $i<$count; ++$i) {
+            if (!preg_match($regexp, $column_sql[$i], $matches)) {
+                return $db->raiseError('unexpected table column SQL definition');
+            }
+            $columns[$j]['name'] = $matches[1];
+            $columns[$j]['type'] = strtolower($matches[2]);
+            if (isset($matches[5]) && strlen($matches[5])) {
+                $columns[$j]['length'] = $matches[5];
+            }
+            if (isset($matches[7]) && strlen($matches[7])) {
+                $columns[$j]['decimal'] = $matches[7];
+            }
+            if (isset($matches[9]) && strlen($matches[9])) {
+                $default = $matches[9];
+                if (strlen($default) && $default[0]=="'") {
+                    $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
+                }
+                $columns[$j]['default'] = $default;
+            }
+            if (isset($matches[10]) && strlen($matches[10])) {
+                $columns[$j]['notnull'] = true;
+            }
+            ++$j;
+        }
+        return $columns;
+    }
+
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         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, $field_name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $result = $db->loadModule('Datatype');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND name='$table'";
+        $query = $db->queryOne($query);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+        if (PEAR::isError($columns = $this->_getTableColumns($query))) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) {
+                $column['name'] = strtolower($column['name']);
+            } else {
+                $column = array_change_key_case($column, CASE_LOWER);
+            }
+            if ($field_name == $column['name']) {
+                list($types, $length) = $db->datatype->mapNativeDatatype($column);
+                unset($notnull);
+                if (isset($column['null']) && $column['null'] != 'YES') {
+                    $notnull = true;
+                }
+                unset($default);
+                if (isset($column['default'])) {
+                    $default = $column['default'];
+                }
+                $definition = array();
+                foreach ($types as $key => $type) {
+                    $definition[0][$key] = array('type' => $type);
+                    if (isset($notnull)) {
+                        $definition[0][$key]['notnull'] = true;
+                    }
+                    if (isset($default)) {
+                        $definition[0][$key]['default'] = $default;
+                    }
+                    if (isset($length)) {
+                        $definition[0][$key]['length'] = $length;
+                    }
+                }
+                // todo .. handle auto_inrement and primary keys
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR, null, null,
+            'getTableFieldDefinition: it was not specified an existing table column');
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * get the stucture of an index into an array
+     *
+     * @param string    $table      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, $index_name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        if ($index_name == 'PRIMARY') {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: PRIMARY is an hidden index');
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND name='$index_name' AND tbl_name='$table' AND sql NOT NULL ORDER BY name";
+        $result = $db->query($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $column = 'sql';
+        if (!isset($columns[$column])) {
+            $result->free();
+            return $db->raiseError('getTableIndexDefinition: show index does not return the table creation sql');
+        }
+
+        $query = strtolower($result->fetchOne());
+        $unique = strstr($query, ' unique ');
+        $key_name = $index_name;
+        $start_pos = strpos($query, '(');
+        $end_pos = strrpos($query, ')');
+        $column_names = substr($query, $start_pos+1, $end_pos-$start_pos-1);
+        $column_names = split(',', $column_names);
+
+        $definition = array();
+        if ($unique) {
+            $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();
+            if (!empty($collation)) {
+                $definition['fields'][$column_name]['sorting'] = ($collation=='ASC' ? 'ascending' : 'descending');
+            }
+        }
+
+        $result->free();
+        if (!isset($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: it was not specified an existing table index');
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table
+     *
+     * @param string         $result  a string containing the name of a table
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_common::tableInfo()
+     * @since Method available since Release 1.7.0
+     */
+    function tableInfo($result, $mode = null)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->queryAll("PRAGMA table_info('$result');", null, MDB2_FETCHMODE_ASSOC);
+            $got_string = true;
+        } else {
+            return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
+                                     'This DBMS can not obtain tableInfo' .
+                                     ' from result sets');
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) {
+            $case_func = 'strtolower';
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = count($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            if (strpos($id[$i]['type'], '(') !== false) {
+                $bits = explode('(', $id[$i]['type']);
+                $type = $bits[0];
+                $len  = rtrim($bits[1],')');
+            } else {
+                $type = $id[$i]['type'];
+                $len  = 0;
+            }
+
+            $flags = '';
+            if ($id[$i]['pk']) {
+                $flags .= 'primary_key ';
+            }
+            if ($id[$i]['notnull']) {
+                $flags .= 'not_null ';
+            }
+            if ($id[$i]['dflt_value'] !== null) {
+                $flags .= 'default_' . rawurlencode($id[$i]['dflt_value']);
+            }
+            $flags = trim($flags);
+
+            $res[$i] = array(
+                'table' => $case_func($result),
+                'name'  => $case_func($id[$i]['name']),
+                'type'  => $type,
+                'len'   => $len,
+                'flags' => $flags,
+            );
+
+            if ($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