115 lines
4.6 KiB
PHP
115 lines
4.6 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_Connection_Common');
|
|
/**
|
|
* Doctrine_Connection_Mysql
|
|
*
|
|
* @package Doctrine ORM
|
|
* @url www.phpdoctrine.com
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @author Konsta Vesterinen
|
|
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
|
|
* @version $Id$
|
|
*/
|
|
class Doctrine_Connection_Mysql extends Doctrine_Connection_Common {
|
|
/**
|
|
* @var string $driverName the name of this connection driver
|
|
*/
|
|
protected $driverName = 'Mysql';
|
|
/**
|
|
* the constructor
|
|
*
|
|
* @param Doctrine_Manager $manager
|
|
* @param PDO $pdo database handle
|
|
*/
|
|
public function __construct(Doctrine_Manager $manager,PDO $pdo) {
|
|
$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
|
|
$this->setAttribute(Doctrine::ATTR_QUERY_LIMIT, Doctrine::LIMIT_ROWS);
|
|
|
|
$this->supported = array(
|
|
'sequences' => 'emulated',
|
|
'indexes' => true,
|
|
'affected_rows' => true,
|
|
'transactions' => true,
|
|
'savepoints' => false,
|
|
'summary_functions' => true,
|
|
'order_by_text' => true,
|
|
'current_id' => 'emulated',
|
|
'limit_queries' => true,
|
|
'LOBs' => true,
|
|
'replace' => true,
|
|
'sub_selects' => true,
|
|
'auto_increment' => true,
|
|
'primary_key' => true,
|
|
'result_introspection' => true,
|
|
'prepared_statements' => 'emulated',
|
|
'identifier_quoting' => true,
|
|
'pattern_escaping' => true
|
|
);
|
|
|
|
parent::__construct($manager,$pdo);
|
|
}
|
|
|
|
/**
|
|
* getTransactionIsolation
|
|
*
|
|
* @return string returns the current session transaction isolation level
|
|
*/
|
|
public function getTransactionIsolation() {
|
|
$ret = $this->dbh->query('SELECT @@tx_isolation')->fetch(PDO::FETCH_NUM);
|
|
return $ret[0];
|
|
}
|
|
/**
|
|
* Set the transacton isolation level.
|
|
*
|
|
* example :
|
|
*
|
|
* <code>
|
|
* $conn->setTransactionIsolation('READ UNCOMMITTED');
|
|
* </code>
|
|
*
|
|
* @param string standard isolation level
|
|
* READ UNCOMMITTED (allows dirty reads)
|
|
* READ COMMITTED (prevents dirty reads)
|
|
* REPEATABLE READ (prevents nonrepeatable reads)
|
|
* SERIALIZABLE (prevents phantom reads)
|
|
*
|
|
* @throws Doctrine_Connection_Mysql_Exception if using unknown isolation level
|
|
* @throws PDOException if something fails at the PDO level
|
|
* @return void
|
|
*/
|
|
public function setTransactionIsolation($isolation) {
|
|
switch ($isolation) {
|
|
case 'READ UNCOMMITTED':
|
|
case 'READ COMMITTED':
|
|
case 'REPEATABLE READ':
|
|
case 'SERIALIZABLE':
|
|
|
|
break;
|
|
default:
|
|
throw new Doctrine_Connection_Mysql_Exception('Isolation level ' . $isolation . ' is not supported.');
|
|
}
|
|
|
|
$query = "SET SESSION TRANSACTION ISOLATION LEVEL $isolation";
|
|
return $this->dbh->query($query);
|
|
}
|
|
}
|