<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); | |
/** | |
* CodeIgniter | |
* | |
* An open source application development framework for PHP 4.3.2 or newer | |
* | |
* @package CodeIgniter | |
* @author ExpressionEngine Dev Team | |
* @copyright Copyright (c) 2006, 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 $this->display_error('db_unsuported_feature'); | |
} | |
return array(); | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Optimize table query | |
* | |
* Is optimization even supported in SQLite? | |
* | |
* @access private | |
* @param string the table name | |
* @return object | |
*/ | |
function _optimize_table($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 $this->db->display_error('db_unsuported_feature'); | |
} | |
/** | |
* | |
* The functions below have been deprecated as of 1.6, and are only here for backwards | |
* compatibility. They now reside in dbforge(). The use of dbutils for database manipulation | |
* is STRONGLY discouraged in favour if using dbforge. | |
* | |
*/ | |
/** | |
* Create database | |
* | |
* @access public | |
* @param string the database name | |
* @return bool | |
*/ | |
function _create_database() | |
{ | |
// In SQLite, a database is created when you connect to the database. | |
// We'll return TRUE so that an error isn't generated | |
return TRUE; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Drop database | |
* | |
* @access private | |
* @param string the database name | |
* @return bool | |
*/ | |
function _drop_database($name) | |
{ | |
if (! @file_exists($this->db->database) OR ! @unlink($this->db->database)) | |
{ | |
if ($this->db->db_debug) | |
{ | |
return $this->db->display_error('db_unable_to_drop'); | |
} | |
return FALSE; | |
} | |
return TRUE; | |
} | |
} | |
?> |