Файл: framework/db/schema/mssql/CMssqlPdoAdapter.php
Строк: 73
<?php
/**
* CMssqlPdo class file
*
* @author Christophe Boulain <Christophe.Boulain@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* This is an extension of default PDO class for mssql driver only
* It provides some missing functionalities of pdo driver
* @author Christophe Boulain <Christophe.Boulain@gmail.com>
* @package system.db.schema.mssql
*/
class CMssqlPdoAdapter extends PDO
{
/**
* Get the last inserted id value
* MSSQL doesn't support sequence, so, argument is ignored
*
* @param string|null sequence name. Defaults to null
* @return integer last inserted id
*/
public function lastInsertId ($sequence=NULL)
{
return $this->query('SELECT CAST(COALESCE(SCOPE_IDENTITY(), @@IDENTITY) AS bigint)')->fetchColumn();
}
/**
* Begin a transaction
*
* Is is necessary to override pdo's method, as mssql pdo drivers
* does not support transaction
*
* @return boolean
*/
public function beginTransaction ()
{
$this->exec('BEGIN TRANSACTION');
return true;
}
/**
* Commit a transaction
*
* Is is necessary to override pdo's method, as mssql pdo drivers
* does not support transaction
*
* @return boolean
*/
public function commit ()
{
$this->exec('COMMIT TRANSACTION');
return true;
}
/**
* Rollback a transaction
*
* Is is necessary to override pdo's method, ac mssql pdo drivers
* does not support transaction
*
* @return boolean
*/
public function rollBack ()
{
$this->exec('ROLLBACK TRANSACTION');
return true;
}
}