source: sourcecode/system/database/drivers/sqlite/sqlite_utility.php @ 1

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package             CodeIgniter
 * @author              ExpressionEngine Dev Team
 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license             http://codeigniter.com/user_guide/license.html
 * @link                http://codeigniter.com
 * @since               Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * SQLite Utility Class
 *
 * @category    Database
 * @author              ExpressionEngine Dev Team
 * @link                http://codeigniter.com/user_guide/database/
 */
class CI_DB_sqlite_utility extends CI_DB_utility {

        /**
         * List databases
         *
         * I don't believe you can do a database listing with SQLite
         * since each database is its own file.  I suppose we could
         * try reading a directory looking for SQLite files, but
         * that doesn't seem like a terribly good idea
         *
         * @access      private
         * @return      bool
         */
        function _list_databases()
        {
                if ($this->db_debug)
                {
                        return $this->db->display_error('db_unsuported_feature');
                }
                return array();
        }

        // --------------------------------------------------------------------

        /**
         * Optimize table query
         *
         * Is optimization even supported in SQLite?
         *
         * @access      private
         * @param       string  the table name
         * @return      object
         */
        function _optimize_table($table)
        {
                return FALSE;
        }

        // --------------------------------------------------------------------

        /**
         * Repair table query
         *
         * Are table repairs even supported in SQLite?
         *
         * @access      private
         * @param       string  the table name
         * @return      object
         */
        function _repair_table($table)
        {
                return FALSE;
        }

        // --------------------------------------------------------------------

        /**
         * SQLite Export
         *
         * @access      private
         * @param       array   Preferences
         * @return      mixed
         */
        function _backup($params = array())
        {
                // Currently unsupported
                return $this->db->display_error('db_unsuported_feature');
        }
}

/* End of file sqlite_utility.php */
/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */