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