added all mdb2 drivers

7 files changed, 4135 insertions, 0 deletions

diff --git a/program/lib/MDB2/Driver/Manager/fbsql.php b/program/lib/MDB2/Driver/Manager/fbsql.php
new file mode 100755
index 000000000..60850bb5f
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/fbsql.php
@@ -0,0 +1,609 @@
+<?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/Manager/Common.php';
+
+/**
+ * MDB2 FrontBase driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Driver_Manager_fbsql extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (PEAR::isError($result = $db->connect())) {
+            return $result;
+        }
+        $query = "CREATE DATABASE $name";
+        if (PEAR::isError($result = $db->query($query))) {
+            return $result;
+        }
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (PEAR::isError($result = $db->connect())) {
+            return $result;
+        }
+        $query = "DELETE DATABASE $name";
+        if (PEAR::isError($result = $db->query($query))) {
+            return $result;
+        }
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param object    $dbs        database object that is extended by this class
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->query("DROP TABLE $name CASCADE");
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the Metabase parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the Metabase parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                        ),
+     *                                    'change' => array(
+     *                                        'gender' => array(
+     *                                            'default' => 'M',
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change){
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'rename':
+            case 'name':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'alterTable: change type "'.$change_name.'" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = (array_key_exists('name', $changes) ? 'RENAME AS '.$changes['name'] : '');
+
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $type_declaration;
+            }
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        $rename = array();
+        if (array_key_exists('rename', $changes)) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                $rename[$field['name']] = $field_name;
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                if (isset($rename[$field_name])) {
+                    $old_field_name = $rename[$field_name];
+                    unset($rename[$field_name]);
+                } else {
+                    $old_field_name = $field_name;
+                }
+                $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['type'], $old_field_name, $field);
+            }
+        }
+
+        if (!empty($rename)) {
+            foreach ($rename as $renamed_field_name => $renamed_field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $old_field_name = $rename[$renamed_field_name];
+                $field = $changes['rename'][$old_field_name];
+                $query.= 'CHANGE ' . $db->getDeclaration($field['type'], $old_field_name, $field);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_CAPABLE);
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->queryCol('SELECT "user_name" FROM information_schema.users');
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table_names = $db->queryCol('SELECT "table_name"'
+                . ' FROM information_schema.tables'
+                . ' t0, information_schema.schemata t1'
+                . ' WHERE t0.schema_pk=t1.schema_pk AND'
+                . ' "table_type" = \'BASE TABLE\''
+                . ' AND "schema_name" = current_schema');
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        for ($i = 0, $j = count($table_names), $tables = array(); $i < $j; ++$i) {
+            if (!$this->_isSequenceName($table_names[$i]))
+                $tables[] = $table_names[$i];
+        }
+        return $tables;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $fields = $db->queryCol("SHOW COLUMNS FROM $table");
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields);
+        }
+        return $fields;
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function support() to determine whether the DBMS driver can manage indexes.
+
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "CREATE ".(array_key_exists('unique', $definition) ? 'UNIQUE INDEX' : 'INDEX')." $name on $table (";
+        $query.= implode(', ', array_keys($definition['fields']));
+        $query.= ')';
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->query("ALTER TABLE $table DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table      name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        if ($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);
+            }
+        }
+
+        $query = "SHOW INDEX FROM $table";
+        $indexes_all = $db->queryCol($query, 'text', $key_name);
+        if (PEAR::isError($indexes_all)) {
+            return $indexes_all;
+        }
+
+        $indexes = array_unique($indexes_all);
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $indexes = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $indexes);
+        }
+
+        return $indexes;
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        $seqcol_name = $db->options['seqcol_name'];
+        $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER DEFAULT UNIQUE, PRIMARY KEY($seqcol_name))";
+        $res = $db->query($query);
+        $res = $db->query("SET UNIQUE = 1 FOR $sequence_name");
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+        $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+        // Handle error
+        $result = $db->query("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'createSequence: could not drop inconsistent sequence table ('.
+                $result->getMessage().' ('.$result->getUserinfo().'))');
+        }
+        return $db->raiseError(MDB2_ERROR, null, null,
+            'createSequence: could not create sequence table ('.
+            $res->getMessage().' ('.$res->getUserinfo().'))');
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP TABLE $sequence_name CASCADE");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table_names = $db->queryCol('SHOW TABLES', 'text');
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        return $sequences;
+    }
+    // }}}
+}
+
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/ibase.php b/program/lib/MDB2/Driver/Manager/ibase.php
new file mode 100755
index 000000000..993f81a60
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/ibase.php
@@ -0,0 +1,684 @@
+<?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: Lorenzo Alberton <l.alberton@quipo.it>                       |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 FireBird/InterBase driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Manager_ibase extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name  name of the database that should be created
+     * @return mixed        MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, 'Create database',
+                'createDatabase: PHP Interbase API does not support direct queries. You have to '.
+                'create the db manually by using isql command or a similar program');
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name  name of the database that should be dropped
+     * @return mixed        MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, 'Drop database',
+                'dropDatabase: PHP Interbase API does not support direct queries. You have '.
+                'to drop the db manually by using isql command or a similar program');
+    }
+
+    // }}}
+    // {{{ _makeAutoincrement()
+
+    /**
+     * add an autoincrement sequence + trigger
+     *
+     * @param string $name  name of the PK field
+     * @param string $table name of the table
+     * @return mixed        MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _makeAutoincrement($name, $table, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->manager->createSequence($table, $start);
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                '_makeAutoincrement: sequence for autoincrement PK could not be created');
+        }
+
+        $sequence_name = $db->getSequenceName($table);
+        $trigger_name  = $table . '_autoincrement_pk';
+        $trigger_sql = 'CREATE TRIGGER ' . $trigger_name . ' FOR ' . $table . '
+                        ACTIVE BEFORE INSERT POSITION 0
+                        AS
+                        BEGIN
+                        IF (NEW.' . $name . ' IS NULL) THEN
+                            NEW.' . $name . ' = GEN_ID('.strtoupper($sequence_name).', 1);
+                        END';
+
+        return $db->query($trigger_sql);
+    }
+
+    // }}}
+    // {{{ _dropAutoincrement()
+
+    /**
+     * drop an existing autoincrement PK / trigger
+     *
+     * @param string $name  name of the PK field
+     * @param string $table name of the table
+     * @return mixed        MDB2_OK on success, a MDB2 error on failure
+     * @access private
+     */
+    function _dropAutoincrement($name, $table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->manager->dropSequence($table);
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                '_dropAutoincrement: sequence for autoincrement PK could not be dropped');
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name     Name of the database that should be created
+     * @param array $fields Associative array that contains the definition of each field of the new table
+     *                        The indexes of the array entries are the names of the fields of the table an
+     *                        the array entry values are associative arrays like those that are meant to be
+     *                         passed with the field definitions to get[Type]Declaration() functions.
+     *
+     *                        Example
+     *                        array(
+     *
+     *                            'id' => array(
+     *                                'type' => 'integer',
+     *                                'unsigned' => 1,
+     *                                'notnull' => 1,
+     *                                'default' => 0,
+     *                            ),
+     *                            'name' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12,
+     *                            ),
+     *                            'description' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12,
+     *                            )
+     *                        );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields)
+    {
+        $result = parent::createTable($name, $fields);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        foreach($fields as $field_name => $field) {
+            if (array_key_exists('autoincrement', $field) && $field['autoincrement']) {
+                return $this->_makeAutoincrement($field_name, $name);
+            }
+        }
+    }
+
+    // }}}
+    // {{{ checkSupportedChanges()
+
+    /**
+     * check if planned changes are supported
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function checkSupportedChanges(&$changes)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'notnull':
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'checkSupportedChanges: it is not supported changes to field not null constraint');
+            case 'default':
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'checkSupportedChanges: it is not supported changes to field default value');
+            case 'length':
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'checkSupportedChanges: it is not supported changes to field default length');
+            case 'unsigned':
+            case 'type':
+            case 'declaration':
+            case 'definition':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'checkSupportedChanges: it is not supported change of type' . $change_name);
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropTable()
+
+    /**
+     * drop an existing table
+     *
+     * @param string $name name of the table that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropTable($name)
+    {
+        //remove triggers associated with the table
+        $name = strtoupper($name);
+        $triggers = $db->queryCol("SELECT RDB\$TRIGGER_NAME FROM RDB\$TRIGGERS WHERE RDB\$RELATION_NAME='$name'");
+        if (PEAR::isError($triggers)) {
+            return $triggers;
+        }
+        foreach ($triggers as $trigger) {
+            $result = $db->query('DROP TRIGGER ' . $trigger);
+            if (PEAR::isError($result)) {
+                return $result;
+            }
+        }
+        
+        return parent::dropTable($name);
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name name of the table that is intended to be changed.
+     * @param array $changes associative array that contains the details of each type
+     *                              of change that is intended to be performed. The types of
+     *                              changes that are currently supported are defined as follows:
+     *
+     *                              name
+     *
+     *                                 New name for the table.
+     *
+     *                             add
+     *
+     *                                 Associative array with the names of fields to be added as
+     *                                  indexes of the array. The value of each entry of the array
+     *                                  should be set to another associative array with the properties
+     *                                  of the fields to be added. The properties of the fields should
+     *                                  be the same as defined by the Metabase parser.
+     *
+     *
+     *                             remove
+     *
+     *                                 Associative array with the names of fields to be removed as indexes
+     *                                  of the array. Currently the values assigned to each entry are ignored.
+     *                                  An empty array should be used for future compatibility.
+     *
+     *                             rename
+     *
+     *                                 Associative array with the names of fields to be renamed as indexes
+     *                                  of the array. The value of each entry of the array should be set to
+     *                                  another associative array with the entry named name with the new
+     *                                  field name and the entry named Declaration that is expected to contain
+     *                                  the portion of the field declaration already in DBMS specific SQL code
+     *                                  as it is used in the CREATE TABLE statement.
+     *
+     *                             change
+     *
+     *                                 Associative array with the names of the fields to be changed as indexes
+     *                                  of the array. Keep in mind that if it is intended to change either the
+     *                                  name of a field and any other properties, the change array entries
+     *                                  should have the new names of the fields as array indexes.
+     *
+     *                                 The value of each entry of the array should be set to another associative
+     *                                  array with the properties of the fields to that are meant to be changed as
+     *                                  array entries. These entries should be assigned to the new values of the
+     *                                  respective properties. The properties of the fields should be the same
+     *                                  as defined by the Metabase parser.
+     *
+     *                             Example
+     *                                 array(
+     *                                     'name' => 'userlist',
+     *                                     'add' => array(
+     *                                         'quota' => array(
+     *                                             'type' => 'integer',
+     *                                             'unsigned' => 1
+     *                                         )
+     *                                     ),
+     *                                     'remove' => array(
+     *                                         'file_limit' => array(),
+     *                                         'time_limit' => array()
+     *                                         ),
+     *                                     'change' => array(
+     *                                         'gender' => array(
+     *                                             'default' => 'M',
+     *                                         )
+     *                                     ),
+     *                                     'rename' => array(
+     *                                         'sex' => array(
+     *                                             'name' => 'gender',
+     *                                         )
+     *                                     )
+     *                                 )
+     * @param boolean $check indicates whether the function should just check if the DBMS driver
+     *                              can perform the requested table alterations if the value is true or
+     *                              actually perform them otherwise.
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'rename':
+                break;
+            case 'change':
+                foreach ($changes['change'] as $field) {
+                    if (PEAR::isError($err = $this->checkSupportedChanges($field))) {
+                        return $err;
+                    }
+                }
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'alterTable: change type ' . $change_name . ' not yet supported');
+            }
+        }
+        if ($check) {
+            return MDB2_OK;
+        }
+        $query = '';
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field, $name);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                if (strlen($query)) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $type_declaration;
+            }
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if (strlen($query)) {
+                    $query.= ', ';
+                }
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        if (array_key_exists('rename', $changes)) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                if (strlen($query)) {
+                    $query.= ', ';
+                }
+                $query.= 'ALTER ' . $field_name . ' TO ' . $field['name'];
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            // missing support to change DEFAULT and NULLability
+            foreach ($changes['change'] as $field_name => $field) {
+                if (PEAR::isError($err = $this->checkSupportedChanges($field))) {
+                    return $err;
+                }
+                if (strlen($query)) {
+                    $query.= ', ';
+                }
+                $db->loadModule('Datatype');
+                $query.= 'ALTER ' . $field_name.' TYPE ' . $db->datatype->getTypeDeclaration($field);
+            }
+        }
+
+        if (!strlen($query)) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query = 'SELECT DISTINCT R.RDB$RELATION_NAME FROM RDB$RELATION_FIELDS R WHERE R.RDB$SYSTEM_FLAG=0';
+        $tables = $db->queryCol($query);
+        if (PEAR::isError($tables)) {
+            return $tables;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $tables = array_flip(array_change_key_case(array_flip($tables), $db->options['field_case']));
+        }
+        return $tables;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $table = strtoupper($table);
+        $query = "SELECT RDB\$FIELD_NAME FROM RDB\$RELATION_FIELDS WHERE RDB\$RELATION_NAME='$table'";
+        $columns = $db->queryCol($query);
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_flip(array_change_key_case(array_flip($columns), $db->options['field_case']));
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list the views in the database
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->queryCol('SELECT RDB$VIEW_NAME');
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function support() to determine whether the DBMS driver can manage indexes.
+
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        if (array_key_exists('primary', $definition) && $definition['primary']) {
+            $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY (";
+        } else {
+            $query = 'CREATE';
+            if (array_key_exists('unique', $definition) && $definition['unique']) {
+                $query.= ' UNIQUE';
+            }
+            $query_sort = '';
+            foreach ($definition['fields'] as $field) {
+                if (!strcmp($query_sort, '') && isset($field['sorting'])) {
+                    switch ($field['sorting']) {
+                    case 'ascending':
+                        $query_sort = ' ASC';
+                        break;
+                    case 'descending':
+                        $query_sort = ' DESC';
+                        break;
+                    }
+                }
+            }
+            $query .= $query_sort. " INDEX $name ON $table (";
+        }
+        $query .= implode(', ', array_keys($definition['fields'])) . ')';
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        return $db->queryCol("SELECT RDB\$INDEX_NAME FROM RDB\$INDICES WHERE RDB\$RELATION_NAME='$table'");
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string $seq_name name of the sequence to be created
+     * @param string $start start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        if (PEAR::isError($result = $db->query('CREATE GENERATOR '.strtoupper($sequence_name)))) {
+            return $result;
+        }
+        if (PEAR::isError($result = $db->query('SET GENERATOR '.strtoupper($sequence_name).' TO '.($start-1)))) {
+            if (PEAR::isError($err = $db->dropSequence($seq_name))) {
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'createSequence: Could not setup sequence start value and then it was not possible to drop it: '.
+                    $err->getMessage().' - ' .$err->getUserInfo());
+            }
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string $seq_name name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query('DELETE FROM RDB$GENERATORS WHERE RDB$GENERATOR_NAME=\''.strtoupper($sequence_name).'\'');
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT RDB$GENERATOR_NAME FROM RDB$GENERATORS';
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        return $sequences;
+    }
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php
new file mode 100755
index 000000000..5b08a9571
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/mssql.php
@@ -0,0 +1,475 @@
+<?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: Frank M. Kromann <frank@kromann.info>                        |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+// {{{ class MDB2_Driver_Manager_mssql
+/**
+ * MDB2 MSSQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "CREATE DATABASE $name";
+        if($db->options['database_device']) {
+            $query.= ' ON '.$db->options['database_device'];
+            $query.= $db->options['database_size'] ? '='.$db->options['database_size'] : '';
+        }
+        return $db->standaloneQuery($query);
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->standaloneQuery("DROP DATABASE $name");
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the Metabase parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the Metabase parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                        ),
+     *                                    'change' => array(
+     *                                        'gender' => array(
+     *                                            'default' => 'M',
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                        )
+     *                                    ),
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+                break;
+            case 'remove':
+                break;
+            case 'name':
+            case 'rename':
+            case 'change':
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'alterTable: change type "'.$change_name.'" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = '';
+        if (array_key_exists('add', $changes)) {
+            if ($query) {
+                $query.= ', ';
+            }
+            $query.= 'ADD ';
+            foreach ($changes['add'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= $db->getDeclaration($field['type'], $field_name, $field);
+            }
+        }
+        if(array_key_exists('remove', $changes)) {
+            if ($query) {
+            $query.= ', ';
+            }
+            $query.= 'DROP COLUMN';
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= $db->getDeclaration($field['type'], $field_name, $field);
+            }
+        }
+            
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'EXEC sp_tables @table_type = "\'TABLE\'"';
+        $table_names = $db->queryCol($query, null, 2);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $tables = array();
+        for ($i = 0, $j = count($table_names); $i <$j; ++$i) {
+            if (!$this->_isSequenceName($db, $table_names[$i])) {
+                $tables[] = $table_names[$i];
+            }
+        }
+        return $tables;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->query("SELECT * FROM [$table]");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $result->free();
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        return array_flip($columns);
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table     name of table that should be used in method
+     * @return mixed data array on success, a MDB error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'INDEX_NAME';
+        $pk_name = 'PK_NAME';
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            if ($db->options['field_case'] == CASE_LOWER) {
+                $key_name = strtolower($key_name);
+                $pk_name  = strtolower($pk_name);
+            } else {
+                $key_name = strtoupper($key_name);
+                $pk_name  = strtoupper($pk_name);
+            }
+        }
+        $query = "EXEC sp_statistics @table_name='$table'";
+        $indexes_all = $db->queryCol($query, 'text', $key_name);
+        if (PEAR::isError($indexes_all)) {
+            return $indexes_all;
+        }
+        $query = "EXEC sp_pkeys @table_name='$table'";
+        $pk_all = $db->queryCol($query, 'text', $pk_name);
+        $found = $indexes = array();
+        for ($index = 0, $j = count($indexes_all); $index < $j; ++$index) {
+            if (!in_array($indexes_all[$index], $pk_all)
+                && $indexes_all[$index] != null
+                && !isset($found[$indexes_all[$index]])
+            ) {
+                $indexes[] = $indexes_all[$index];
+                $found[$indexes_all[$index]] = 1;
+            }
+        }
+        return $indexes;
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        $seqcol_name   = $db->options['seqcol_name'];
+        $query = "CREATE TABLE $sequence_name ($seqcol_name " .
+                 "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
+
+        $res = $db->query($query);
+        if(PEAR::isError($res)) {
+            return $res;
+        }
+        
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+
+        $query = "SET IDENTITY_INSERT $sequence_name ON ".
+                 "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
+        $res = $db->query($query);
+
+        if(!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+
+        $result = $db->query("DROP TABLE $sequence_name");
+        if(PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                   'createSequence: could not drop inconsistent sequence table ('.
+                   $result->getMessage().' ('.$result->getUserInfo(). '))');
+        }
+
+        return $db->raiseError(MDB2_ERROR, null, null,
+               'createSequence: could not create sequence table ('.
+               $res->getMessage(). ' ('.$res->getUserInfo(). '))');
+    }
+
+    // }}}
+    // {{{ createIndex()
+    /**
+     * Adds an index to a table.
+     *
+     * @param string $table      The name of the table
+     * @param string $name       The name of the field
+     * @param array  $definition The definition of the new field.
+     */
+    function createIndex($table, $name, $definition)
+    {
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i <$j; ++$i) {
+            if ($this->_isSequenceName($db, $table_names[$i])) {
+                $sequences[] = $table_names[$i];
+            }
+        }
+        return $sequences;
+    }
+    // }}}
+}
+// }}}
+?>
diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php
new file mode 100755
index 000000000..9a1cd31de
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/mysqli.php
@@ -0,0 +1,749 @@
+<?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/Manager/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
+{
+    // {{{ properties
+    var $verified_table_types = array();#
+    // }}}
+
+    // }}}
+    // {{{ _verifyTableType()
+
+    /**
+     * verify that chosen transactional table hanlder is available in the database
+     *
+     * @param string $table_type name of the table handler
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access protected
+     */
+    function _verifyTableType($table_type)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        switch (strtoupper($table_type)) {
+        case 'BERKELEYDB':
+        case 'BDB':
+            $check = array('have_bdb');
+            break;
+        case 'INNODB':
+            $check = array('have_innobase', 'have_innodb');
+            break;
+        case 'GEMINI':
+            $check = array('have_gemini');
+            break;
+        case 'HEAP':
+        case 'ISAM':
+        case 'MERGE':
+        case 'MRG_MYISAM':
+        case 'MYISAM':
+        case '':
+            return MDB2_OK;
+        default:
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                $table_type.' is not a supported table type');
+        }
+        if (isset($this->verified_table_types[$table_type])
+            && $this->verified_table_types[$table_type] == $db->connection
+        ) {
+            return MDB2_OK;
+        }
+        $not_supported = false;
+        for ($i = 0, $j = count($check); $i < $j; ++$i) {
+            $query = 'SHOW VARIABLES LIKE '.$db->quote($check[$i], 'text');
+            $has = $db->queryRow($query, null, MDB2_FETCHMODE_ORDERED);
+            if (PEAR::isError($has)) {
+                return $has;
+            }
+            if (is_array($has)) {
+                $not_supported = true;
+                if ($has[1] == 'YES') {
+                    $this->verified_table_types[$table_type] = $db->connection;
+                    return MDB2_OK;
+                }
+            }
+        }
+        if ($not_supported) {
+            return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                $table_type.' is not a supported table type by this MySQL database server');
+        }
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'could not tell if '.$table_type.' is a supported table type');
+    }
+
+    // }}}
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'CREATE DATABASE '.$name;
+        $result = $db->query($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'DROP DATABASE '.$name;
+        $result = $db->query($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name     Name of the database that should be created
+     * @param array $fields Associative array that contains the definition of each field of the new table
+     *                        The indexes of the array entries are the names of the fields of the table an
+     *                        the array entry values are associative arrays like those that are meant to be
+     *                         passed with the field definitions to get[Type]Declaration() functions.
+     *
+     *                        Example
+     *                        array(
+     *
+     *                            'id' => array(
+     *                                'type' => 'integer',
+     *                                'unsigned' => 1
+     *                                'notnull' => 1
+     *                                'default' => 0
+     *                            ),
+     *                            'name' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12
+     *                            ),
+     *                            'password' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12
+     *                            )
+     *                        );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (!$name) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'createTable: no valid table name specified');
+        }
+        if (empty($fields)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'createTable: no fields specified for table "'.$name.'"');
+        }
+        $verify = $this->_verifyTableType($db->options['default_table_type']);
+        if (PEAR::isError($verify)) {
+            return $verify;
+        }
+        $query_fields = $this->getFieldDeclarationList($fields);
+        if (PEAR::isError($query_fields)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'createTable: '.$this->getUserinfo());
+        }
+        $query = "CREATE TABLE $name ($query_fields)".(strlen($db->options['default_table_type'])
+            ? ' TYPE='.$db->options['default_table_type'] : '');
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name         name of the table that is intended to be changed.
+     * @param array $changes     associative array that contains the details of each type
+     *                             of change that is intended to be performed. The types of
+     *                             changes that are currently supported are defined as follows:
+     *
+     *                             name
+     *
+     *                                New name for the table.
+     *
+     *                            add
+     *
+     *                                Associative array with the names of fields to be added as
+     *                                 indexes of the array. The value of each entry of the array
+     *                                 should be set to another associative array with the properties
+     *                                 of the fields to be added. The properties of the fields should
+     *                                 be the same as defined by the Metabase parser.
+     *
+     *
+     *                            remove
+     *
+     *                                Associative array with the names of fields to be removed as indexes
+     *                                 of the array. Currently the values assigned to each entry are ignored.
+     *                                 An empty array should be used for future compatibility.
+     *
+     *                            rename
+     *
+     *                                Associative array with the names of fields to be renamed as indexes
+     *                                 of the array. The value of each entry of the array should be set to
+     *                                 another associative array with the entry named name with the new
+     *                                 field name and the entry named Declaration that is expected to contain
+     *                                 the portion of the field declaration already in DBMS specific SQL code
+     *                                 as it is used in the CREATE TABLE statement.
+     *
+     *                            change
+     *
+     *                                Associative array with the names of the fields to be changed as indexes
+     *                                 of the array. Keep in mind that if it is intended to change either the
+     *                                 name of a field and any other properties, the change array entries
+     *                                 should have the new names of the fields as array indexes.
+     *
+     *                                The value of each entry of the array should be set to another associative
+     *                                 array with the properties of the fields to that are meant to be changed as
+     *                                 array entries. These entries should be assigned to the new values of the
+     *                                 respective properties. The properties of the fields should be the same
+     *                                 as defined by the Metabase parser.
+     *
+     *                            Example
+     *                                array(
+     *                                    'name' => 'userlist',
+     *                                    'add' => array(
+     *                                        'quota' => array(
+     *                                            'type' => 'integer',
+     *                                            'unsigned' => 1
+     *                                        )
+     *                                    ),
+     *                                    'remove' => array(
+     *                                        'file_limit' => array(),
+     *                                        'time_limit' => array()
+     *                                        ),
+     *                                    'change' => array(
+     *                                        'gender' => array(
+     *                                            'default' => 'M',
+     *                                        )
+     *                                    ),
+     *                                    'rename' => array(
+     *                                        'sex' => array(
+     *                                            'name' => 'gender',
+     *                                        )
+     *                                    )
+     *                                )
+     *
+     * @param boolean $check     indicates whether the function should just check if the DBMS driver
+     *                             can perform the requested table alterations if the value is true or
+     *                             actually perform them otherwise.
+     * @access public
+     *
+      * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'rename':
+            case 'name':
+                break;
+            default:
+                return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+                    'alterTable: change type "'.$change_name.'" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = (array_key_exists('name', $changes) ? 'RENAME AS '.$changes['name'] : '');
+
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $type_declaration;
+            }
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        $rename = array();
+        if (array_key_exists('rename', $changes)) {
+            foreach ($changes['rename'] as $field_name => $field) {
+                $rename[$field['name']] = $field_name;
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                if (isset($rename[$field_name])) {
+                    $old_field_name = $rename[$field_name];
+                    unset($rename[$field_name]);
+                } else {
+                    $old_field_name = $field_name;
+                }
+                $query.= "CHANGE $field_name " . $db->getDeclaration($field['type'], $old_field_name, $field);
+            }
+        }
+
+        if (!empty($rename)) {
+            foreach ($rename as $rename_name => $renamed_field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $old_field_name = $renamed_field;
+                $field = $changes['rename'][$old_field_name];
+                $query.= 'CHANGE ' . $db->getDeclaration($field['type'], $old_field_name, $field);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $databases = $db->queryCol('SHOW DATABASES');
+        return $databases;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $users = $db->queryCol('SELECT DISTINCT USER FROM USER');
+        return $users;
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table_names = $db->queryCol('SHOW TABLES');
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $tables = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if (!$this->_isSequenceName($table_names[$i]))
+                $tables[] = $table_names[$i];
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $tables = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $tables);
+        }
+
+        return $tables;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $fields = $db->queryCol("SHOW COLUMNS FROM $table");
+        if (PEAR::isError($fields)) {
+            return $fields;
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields);
+        }
+
+        return $fields;
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (array_key_exists('primary', $definition) && $definition['primary']) {
+            $type = 'PRIMARY';
+            $name = 'KEY';
+        } elseif (array_key_exists('unique', $definition) && $definition['unique']) {
+            $type = 'UNIQUE';
+        } else {
+            $type = 'INDEX';
+        }
+
+        $query = "ALTER TABLE $table ADD $type $name (";
+        $query.= implode(', ', array_keys($definition['fields']));
+        $query.= ')';
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->query("ALTER TABLE $table DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table      name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $key_name = 'Key_name';
+        if ($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);
+            }
+        }
+
+        $query = "SHOW INDEX FROM $table";
+        $indexes_all = $db->queryCol($query, 'text', $key_name);
+        if (PEAR::isError($indexes_all)) {
+            return $indexes_all;
+        }
+
+        $indexes = array_unique($indexes_all);
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $indexes = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $indexes);
+        }
+
+        return $indexes;
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        $seqcol_name = $db->options['seqcol_name'];
+        $result = $this->_verifyTableType($db->options['default_table_type']);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $res = $db->query("CREATE TABLE $sequence_name".
+            "($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))".
+            (strlen($db->options['default_table_type']) ? ' TYPE='.$db->options['default_table_type'] : '')
+        );
+
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+
+        $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+
+        // Handle error
+        $result = $db->query("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'createSequence: could not drop inconsistent sequence table ('.
+                $result->getMessage().' ('.$result->getUserinfo().'))');
+        }
+
+        return $db->raiseError(MDB2_ERROR, null, null,
+            'createSequence: could not create sequence table ('.
+            $res->getMessage().' ('.$res->getUserinfo().'))');
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table_names = $db->queryCol('SHOW TABLES');
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i])) {
+                $sequences[] = $sqn;
+            }
+        }
+
+        return $sequences;
+    }
+
+    // }}}
+}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/oci8.php b/program/lib/MDB2/Driver/Manager/oci8.php
new file mode 100755
index 000000000..aa5ee3a66
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/oci8.php
@@ -0,0 +1,673 @@
+<?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/Manager/Common.php';
+
+/**
+ * MDB2 oci8 driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_oci8 extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param object $db database object that is extended by this class
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $username = $db->options['database_name_prefix'].$name;
+        $password = $db->dsn['password'] ? $db->dsn['password'] : $name;
+        $tablespace = $db->options['default_tablespace']
+            ? ' DEFAULT TABLESPACE '.$db->options['default_tablespace'] : '';
+
+        $query = 'CREATE USER '.$username.' IDENTIFIED BY '.$password.$tablespace;
+        $result = $db->standaloneQuery($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $query = 'GRANT CREATE SESSION, CREATE TABLE, UNLIMITED TABLESPACE, CREATE SEQUENCE TO '.$username;
+        $result = $db->standaloneQuery($query);
+        if (PEAR::isError($result)) {
+            $query = 'DROP USER '.$username.' CASCADE';
+            $result2 = $db->standaloneQuery($query);
+            if (PEAR::isError($result2)) {
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'createDatabase: could not setup the database user ('.$result->getUserinfo().
+                        ') and then could drop its records ('.$result2->getUserinfo().')');
+            }
+            return $result;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param object $db database object that is extended by this class
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $username = $db->options['database_name_prefix'].$name;
+        return $db->standaloneQuery('DROP USER '.$username.' CASCADE');
+    }
+
+    function _makeAutoincrement($name, $table, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $index_name  = $table . '_autoincrement_pk';
+        $definition = array(
+            'primary' => true,
+            'fields' => array($name),
+        );
+        $result = $db->manager->createIndex($table, $index_name, $definition);
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                '_makeAutoincrement: primary key for autoincrement PK could not be created');
+        }
+
+        $result = $db->manager->createSequence($table, $start);
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                '_makeAutoincrement: sequence for autoincrement PK could not be created');
+        }
+
+        $sequence_name = $db->getSequenceName($table);
+        $trigger_name  = $table . '_autoincrement_pk';
+        $trigger_sql = "CREATE TRIGGER $trigger_name BEFORE INSERT ON $table";
+        $trigger_sql.= " FOR EACH ROW BEGIN IF (:new.$name IS NULL) THEN SELECT ";
+        $trigger_sql.= "$sequence_name.NEXTVAL INTO :new.$name FROM DUAL; END IF; END;";
+
+        return $db->query($trigger_sql);
+    }
+
+    function _dropAutoincrement($name, $table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->manager->dropSequence($table);
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                '_dropAutoincrement: sequence for autoincrement PK could not be dropped');
+        }
+
+        $sequence_name = $db->getSequenceName($table);
+        $trigger_name  = $table . '_autoincrement_pk';
+        $trigger_sql = 'DROP TRIGGER ' . $trigger_name;
+
+        return $db->query($trigger_sql);
+    }
+
+    // }}}
+    // {{{ createTable()
+
+    /**
+     * create a new table
+     *
+     * @param string $name     Name of the database that should be created
+     * @param array $fields Associative array that contains the definition of each field of the new table
+     *                        The indexes of the array entries are the names of the fields of the table an
+     *                        the array entry values are associative arrays like those that are meant to be
+     *                         passed with the field definitions to get[Type]Declaration() functions.
+     *
+     *                        Example
+     *                        array(
+     *
+     *                            'id' => array(
+     *                                'type' => 'integer',
+     *                                'unsigned' => 1
+     *                                'notnull' => 1
+     *                                'default' => 0
+     *                            ),
+     *                            'name' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12
+     *                            ),
+     *                            'password' => array(
+     *                                'type' => 'text',
+     *                                'length' => 12
+     *                            )
+     *                        );
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createTable($name, $fields)
+    {
+        $result = parent::createTable($name, $fields);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        foreach($fields as $field_name => $field) {
+            if (array_key_exists('autoincrement', $field) && $field['autoincrement']) {
+                return $this->_makeAutoincrement($field_name, $name);
+            }
+        }
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param object $db database object that is extended by this class
+     * @param string $name name of the table that is intended to be changed.
+     * @param array $changes associative array that contains the details of each type
+     *                              of change that is intended to be performed. The types of
+     *                              changes that are currently supported are defined as follows:
+     *
+     *                              name
+     *
+     *                                 New name for the table.
+     *
+     *                             add
+     *
+     *                                 Associative array with the names of fields to be added as
+     *                                  indexes of the array. The value of each entry of the array
+     *                                  should be set to another associative array with the properties
+     *                                  of the fields to be added. The properties of the fields should
+     *                                  be the same as defined by the Metabase parser.
+     *
+     *
+     *                             remove
+     *
+     *                                 Associative array with the names of fields to be removed as indexes
+     *                                  of the array. Currently the values assigned to each entry are ignored.
+     *                                  An empty array should be used for future compatibility.
+     *
+     *                             rename
+     *
+     *                                 Associative array with the names of fields to be renamed as indexes
+     *                                  of the array. The value of each entry of the array should be set to
+     *                                  another associative array with the entry named name with the new
+     *                                  field name and the entry named Declaration that is expected to contain
+     *                                  the portion of the field declaration already in DBMS specific SQL code
+     *                                  as it is used in the CREATE TABLE statement.
+     *
+     *                             change
+     *
+     *                                 Associative array with the names of the fields to be changed as indexes
+     *                                  of the array. Keep in mind that if it is intended to change either the
+     *                                  name of a field and any other properties, the change array entries
+     *                                  should have the new names of the fields as array indexes.
+     *
+     *                                 The value of each entry of the array should be set to another associative
+     *                                  array with the properties of the fields to that are meant to be changed as
+     *                                  array entries. These entries should be assigned to the new values of the
+     *                                  respective properties. The properties of the fields should be the same
+     *                                  as defined by the Metabase parser.
+     *
+     *                             Example
+     *                                 array(
+     *                                     'name' => 'userlist',
+     *                                     'add' => array(
+     *                                         'quota' => array(
+     *                                             'type' => 'integer',
+     *                                             'unsigned' => 1
+     *                                         )
+     *                                     ),
+     *                                     'remove' => array(
+     *                                         'file_limit' => array(),
+     *                                         'time_limit' => array()
+     *                                         ),
+     *                                     'change' => array(
+     *                                         'gender' => array(
+     *                                             'default' => 'M',
+     *                                         )
+     *                                     ),
+     *                                     'rename' => array(
+     *                                         'sex' => array(
+     *                                             'name' => 'gender',
+     *                                         )
+     *                                     )
+     *                                 )
+     * @param boolean $check indicates whether the function should just check if the DBMS driver
+     *                              can perform the requested table alterations if the value is true or
+     *                              actually perform them otherwise.
+     * @access public
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     */
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'name':
+                break;
+            case 'rename':
+            default:
+                return $db->raiseError(MDB2_ERROR, null, null,
+                    'alterTable: change type "'.$change_name.'" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            $query = ' DROP (';
+            $fields = $changes['remove'];
+            $query.= implode(', ', array_keys($fields));
+            $query.= ')';
+            if (PEAR::isError($result = $db->query("ALTER TABLE $name $query"))) {
+                return $result;
+            }
+            $query = '';
+        }
+
+        $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$changes['name'] : '');
+
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                $query.= ' ADD (' . $type_declaration . ')';
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            foreach ($changes['change'] as $field_name => $field) {
+                $query.= "MODIFY ($field_name " . $db->getDeclaration($field['type'], $field_name, $field).')';
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if ($db->options['database_name_prefix']) {
+            $query = 'SELECT SUBSTR(username, '
+                .(strlen($db->options['database_name_prefix'])+1)
+                .") FROM sys.dba_users WHERE username LIKE '"
+                .$db->options['database_name_prefix']."%'";
+        } else {
+            $query = 'SELECT username FROM sys.dba_users';
+        }
+        $result = $db->standaloneQuery($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $databases = $result->fetchCol();
+        if (PEAR::isError($databases)) {
+            return $databases;
+        }
+        // is it legit to force this to lowercase?
+        $databases = array_keys(array_change_key_case(array_flip($databases), $db->options['field_case']));
+        $result->free();
+        return $databases;
+    }
+
+        // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT username FROM sys.all_users';
+        $users = $db->queryCol($query);
+        if (PEAR::isError($users)) {
+            return $users;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            && $db->options['field_case'] == CASE_LOWER
+        ) {
+            $users = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $users);
+        }
+        return $users;
+    }
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list all views in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT view_name FROM sys.user_views';
+        $views = $db->queryCol($query);
+        if (PEAR::isError($views)) {
+            return $views;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            && $db->options['field_case'] == CASE_LOWER
+        ) {
+            $views = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $views);
+        }
+        return $views;
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT name FROM sys.user_source WHERE line = 1 AND type = 'FUNCTION'";
+        $functions = $db->queryCol($query);
+        if (PEAR::isError($functions)) {
+            return $functions;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            && $db->options['field_case'] == CASE_LOWER
+        ) {
+            $functions = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $functions);
+        }
+        return $functions;
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB error on failure
+     * @access public
+     **/
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT table_name FROM sys.user_tables';
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $table = strtoupper($table);
+        $query = "SELECT column_name FROM user_tab_columns WHERE table_name='$table' ORDER BY column_id";
+        $fields = $db->queryCol($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            && $db->options['field_case'] == CASE_LOWER
+        ) {
+            $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields);
+        }
+        return $fields;
+    }
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        if (array_key_exists('primary', $definition) && $definition['primary']) {
+            $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY (";
+        } else {
+            $query = 'CREATE';
+            if (array_key_exists('unique', $definition) && $definition['unique']) {
+                $query.= ' UNIQUE';
+            }
+            $query .= " INDEX $name ON $table (";
+        }
+        $query .= implode(', ', array_keys($definition['fields'])) . ')';
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param object $db database object that is extended by this class
+     * @param string $seq_name name of the sequence to be created
+     * @param string $start start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1".
+            ($start < 1 ? " MINVALUE $start" : ''));
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param object $db database object that is extended by this class
+     * @param string $seq_name name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP SEQUENCE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT sequence_name FROM sys.user_sequences";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            && $db->options['field_case'] == CASE_LOWER
+        ) {
+            $sequences = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $sequences);
+        }
+        return $sequences;
+    }}
+?>
\ No newline at end of file
diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php
new file mode 100755
index 000000000..5db3e5ce8
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/pgsql.php
@@ -0,0 +1,570 @@
+<?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/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->standaloneQuery("CREATE DATABASE $name");
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->standaloneQuery("DROP DATABASE $name");
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name name of the table that is intended to be changed.
+     * @param array $changes associative array that contains the details of each type
+     *                              of change that is intended to be performed. The types of
+     *                              changes that are currently supported are defined as follows:
+     *
+     *                              name
+     *
+     *                                 New name for the table.
+     *
+     *                             add
+     *
+     *                                 Associative array with the names of fields to be added as
+     *                                  indexes of the array. The value of each entry of the array
+     *                                  should be set to another associative array with the properties
+     *                                  of the fields to be added. The properties of the fields should
+     *                                  be the same as defined by the Metabase parser.
+     *
+     *
+     *                             remove
+     *
+     *                                 Associative array with the names of fields to be removed as indexes
+     *                                  of the array. Currently the values assigned to each entry are ignored.
+     *                                  An empty array should be used for future compatibility.
+     *
+     *                             rename
+     *
+     *                                 Associative array with the names of fields to be renamed as indexes
+     *                                  of the array. The value of each entry of the array should be set to
+     *                                  another associative array with the entry named name with the new
+     *                                  field name and the entry named Declaration that is expected to contain
+     *                                  the portion of the field declaration already in DBMS specific SQL code
+     *                                  as it is used in the CREATE TABLE statement.
+     *
+     *                             change
+     *
+     *                                 Associative array with the names of the fields to be changed as indexes
+     *                                  of the array. Keep in mind that if it is intended to change either the
+     *                                  name of a field and any other properties, the change array entries
+     *                                  should have the new names of the fields as array indexes.
+     *
+     *                                 The value of each entry of the array should be set to another associative
+     *                                  array with the properties of the fields to that are meant to be changed as
+     *                                  array entries. These entries should be assigned to the new values of the
+     *                                  respective properties. The properties of the fields should be the same
+     *                                  as defined by the Metabase parser.
+     *
+     *                             Example
+     *                                 array(
+     *                                     'name' => 'userlist',
+     *                                     'add' => array(
+     *                                         'quota' => array(
+     *                                             'type' => 'integer',
+     *                                             'unsigned' => 1
+     *                                         )
+     *                                     ),
+     *                                     'remove' => array(
+     *                                         'file_limit' => array(),
+     *                                         'time_limit' => array()
+     *                                         ),
+     *                                     'change' => array(
+     *                                         'gender' => array(
+     *                                             'default' => 'M',
+     *                                         )
+     *                                     ),
+     *                                     'rename' => array(
+     *                                         'sex' => array(
+     *                                             'name' => 'gender',
+     *                                         )
+     *                                     )
+     *                                 )
+     * @param boolean $check indicates whether the function should just check if the DBMS driver
+     *                              can perform the requested table alterations if the value is true or
+     *                              actually perform them otherwise.
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'name':
+                break;
+            case 'rename':
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'alterTable: change type "'.$change_name.'\" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$changes['name'] : '');
+
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $type_declaration;
+            }
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            // missing support to change DEFAULT and NULLability
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $db->loadModule('Datatype');
+                $query.= "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->standaloneQuery('SELECT datname FROM pg_database');
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $col = $result->fetchCol();
+        $result->free();
+        return $col;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->standaloneQuery('SELECT usename FROM pg_user');
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $col = $result->fetchCol();
+        $result->free();
+        return $col;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list the views in the database
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT viewname FROM pg_views';
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "
+            SELECT
+                proname
+            FROM
+                pg_proc pr,
+                pg_type tp
+            WHERE
+                tp.oid = pr.prorettype
+                AND pr.proisagg = FALSE
+                AND tp.typname <> 'trigger'
+                AND pr.pronamespace IN
+                    (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php
+        $query = 'SELECT c.relname AS "Name"'
+            . ' FROM pg_class c, pg_user u'
+            . ' WHERE c.relowner = u.usesysid'
+            . " AND c.relkind = 'r'"
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_views'
+            . '  WHERE viewname = c.relname)'
+            . " AND c.relname !~ '^(pg_|sql_)'"
+            . ' UNION'
+            . ' SELECT c.relname AS "Name"'
+            . ' FROM pg_class c'
+            . " WHERE c.relkind = 'r'"
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_views'
+            . '  WHERE viewname = c.relname)'
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_user'
+            . '  WHERE usesysid = c.relowner)'
+            . " AND c.relname !~ '^pg_'";
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->query("SELECT * FROM $table");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $result->free();
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        return array_flip($columns);
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (array_key_exists('primary', $definition) && $definition['primary']) {
+            $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY (";
+        } else {
+            $query = 'CREATE';
+            if (array_key_exists('unique', $definition) && $definition['unique']) {
+                $query.= ' UNIQUE';
+            }
+            $query.= " INDEX $name ON $table (";
+        }
+        $query.= implode(', ', array_keys($definition['fields']));
+        $query.= ')';
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table      name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $subquery = "SELECT indexrelid FROM pg_index, pg_class";
+        $subquery.= " WHERE (pg_class.relname='$table') AND (pg_class.oid=pg_index.indrelid)";
+        return $db->queryCol("SELECT relname FROM pg_class WHERE oid IN ($subquery)");
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string $seq_name name of the sequence to be created
+     * @param string $start start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("CREATE SEQUENCE $sequence_name INCREMENT 1".
+            ($start < 1 ? " MINVALUE $start" : '')." START $start");
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string $seq_name name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP SEQUENCE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
+        $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        return $sequences;
+    }
+}
+?>
diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php
new file mode 100755
index 000000000..3b7f11ea5
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/sqlite.php
@@ -0,0 +1,375 @@
+<?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/Manager/Common.php';
+
+/**
+ * MDB2 SQLite driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@backendmedia.com>
+ */
+class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createDatabase($name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $database_file = $db->_getDatabaseFile($name);
+        if (file_exists($database_file)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'createDatabase: database already exists');
+        }
+        $php_errormsg = '';
+        $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg);
+        if (!$handle) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+                'createDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not create the database file'));
+        }
+        @sqlite_close($handle);
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropDatabase($name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $database_file = $db->_getDatabaseFile($name);
+        if (!@file_exists($database_file)) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+                'dropDatabase: database does not exist');
+        }
+        $result = @unlink($database_file);
+        if (!$result) {
+            return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+                'dropDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not remove the database file'));
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listDatabases()
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+            'listDatabases: list databases is not supported');
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listUsers()
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        return $db->queryCol('SELECT DISTINCT USER FROM USER');
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTables()
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $tables = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if (!$this->_isSequenceName($table_names[$i]))
+                $tables[] = $table_names[$i];
+        }
+        return $tables;
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $query = "SELECT * FROM $table";
+        $db->setLimit(1);
+        $result = $db->query($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $result->free();
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        return array_flip($columns);
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function support() to determine whether the DBMS driver can manage indexes.
+
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $query = 'CREATE '.(isset($definition['unique']) ? 'UNIQUE' : '')." INDEX $name ON $table (";
+        $skipped_first = false;
+        foreach ($definition['fields'] as $field_name => $field) {
+            if ($skipped_first) {
+                $query .= ',';
+            }
+            $query .= $field_name;
+            $skipped_first = true;
+        }
+        $query .= ')';
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ dropIndex()
+
+    /**
+     * drop existing index
+     *
+     * @param string    $table         name of table that should be used in method
+     * @param string    $name         name of the index to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropIndex($table, $name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        return $db->query("DROP INDEX $name");
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table      name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $query = "SELECT name FROM sqlite_master WHERE type='index' AND tbl_name='$table' AND sql NOT NULL ORDER BY name";
+        $indexes_all = $db->queryCol($query);
+        if (PEAR::isError($indexes_all)) {
+            return $indexes_all;
+        }
+        $found = $indexes = array();
+        foreach ($indexes_all as $index => $index_name) {
+            if ($indexes_all[$index] != 'PRIMARY' && !isset($found[$index_name])) {
+                $indexes[] = $index_name;
+                $found[$index_name] = true;
+            }
+        }
+        return $indexes;
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string    $seq_name     name of the sequence to be created
+     * @param string    $start         start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $sequence_name = $db->getSequenceName($seq_name);
+        $seqcol_name = $db->options['seqcol_name'];
+        $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)";
+        $res = $db->query($query);
+        if (PEAR::isError($res)) {
+            return $res;
+        }
+        if ($start == 1) {
+            return MDB2_OK;
+        }
+        $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+        if (!PEAR::isError($res)) {
+            return MDB2_OK;
+        }
+        // Handle error
+        $result = $db->query("DROP TABLE $sequence_name");
+        if (PEAR::isError($result)) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'createSequence: could not drop inconsistent sequence table ('.
+                $result->getMessage().' ('.$result->getUserinfo().'))');
+        }
+        return $db->raiseError(MDB2_ERROR, null, null,
+            'createSequence: could not create sequence table ('.
+            $res->getMessage().' ('.$res->getUserinfo().'))');
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string    $seq_name     name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function dropSequence($seq_name)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP TABLE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listSequences()
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        return $sequences;
+    }
+
+    // }}}
+}
+?>