99 lines
3.6 KiB
PHP
99 lines
3.6 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.phpdoctrine.com>.
|
|
*/
|
|
Doctrine::autoload('Doctrine_Transaction');
|
|
/**
|
|
*
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @package Doctrine
|
|
* @category Object Relational Mapping
|
|
* @link www.phpdoctrine.com
|
|
* @since 1.0
|
|
* @version $Revision$
|
|
*/
|
|
class Doctrine_Transaction_Oracle extends Doctrine_Transaction {
|
|
/**
|
|
* createSavepoint
|
|
* creates a new savepoint
|
|
*
|
|
* @param string $savepoint name of a savepoint to set
|
|
* @return void
|
|
*/
|
|
public function createSavePoint($savepoint) {
|
|
$query = 'SAVEPOINT '.$savepoint;
|
|
|
|
return $this->conn->getDbh()->query($query);
|
|
}
|
|
/**
|
|
* releaseSavePoint
|
|
* releases given savepoint
|
|
*
|
|
* @param string $savepoint name of a savepoint to release
|
|
* @return void
|
|
*/
|
|
public function releaseSavePoint($savepoint) {
|
|
// oracle doesn't support manual releasing of savepoints
|
|
return true;
|
|
}
|
|
/**
|
|
* rollbackSavePoint
|
|
* releases given savepoint
|
|
*
|
|
* @param string $savepoint name of a savepoint to rollback to
|
|
* @return void
|
|
*/
|
|
public function rollbackSavePoint($savepoint) {
|
|
$query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
|
|
|
|
return $this->conn->getDbh()->query($query);
|
|
}
|
|
/**
|
|
* Set the transacton isolation level.
|
|
*
|
|
* @param string standard isolation level
|
|
* READ UNCOMMITTED (allows dirty reads)
|
|
* READ COMMITTED (prevents dirty reads)
|
|
* REPEATABLE READ (prevents nonrepeatable reads)
|
|
* SERIALIZABLE (prevents phantom reads)
|
|
* @throws PDOException if something fails at the PDO level
|
|
* @throws Doctrine_Transaction_Exception if using unknown isolation level
|
|
* @return void
|
|
*/
|
|
public function setIsolation($isolation) {
|
|
switch($isolation) {
|
|
case 'READ UNCOMMITTED':
|
|
$isolation = 'READ COMMITTED';
|
|
break;
|
|
case 'READ COMMITTED':
|
|
case 'REPEATABLE READ':
|
|
case 'SERIALIZABLE':
|
|
$isolation = 'SERIALIZABLE';
|
|
break;
|
|
default:
|
|
throw new Doctrine_Transaction_Exception('Isolation level ' . $isolation . ' is not supported.');
|
|
}
|
|
|
|
$query = 'ALTER SESSION ISOLATION LEVEL ' . $isolation;
|
|
return $this->conn->getDbh()->query($query);
|
|
}
|
|
}
|