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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019 Daniel Kesselberg <mail@danielkesselberg.de>
*
* @author Daniel Kesselberg <mail@danielkesselberg.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\DB;
use Doctrine\Common\EventSubscriber;
use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;
use Doctrine\DBAL\Event\ConnectionEventArgs;
use Doctrine\DBAL\Events;
use Doctrine\DBAL\Platforms\MySQLPlatform;
use Doctrine\DBAL\TransactionIsolationLevel;
class SetTransactionIsolationLevel implements EventSubscriber {
/**
* @param ConnectionEventArgs $args
* @return void
*/
public function postConnect(ConnectionEventArgs $args) {
$connection = $args->getConnection();
if ($connection instanceof PrimaryReadReplicaConnection && $connection->isConnectedToPrimary()) {
$connection->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED);
if ($connection->getDatabasePlatform() instanceof MySQLPlatform) {
$connection->executeStatement('SET SESSION AUTOCOMMIT=1');
}
}
}
public function getSubscribedEvents() {
return [Events::postConnect];
}
}
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