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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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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