everseiko/system/database/drivers/sqlite/sqlite_utility.php
2020-01-02 23:02:57 +07:00

96 lines
2.1 KiB
PHP

<?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 */