diff options
Diffstat (limited to 'lib/private/DB/SetTransactionIsolationLevel.php')
| -rw-r--r-- | lib/private/DB/SetTransactionIsolationLevel.php | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/lib/private/DB/SetTransactionIsolationLevel.php b/lib/private/DB/SetTransactionIsolationLevel.php index b067edde441..cd18c4255e3 100644 --- a/lib/private/DB/SetTransactionIsolationLevel.php +++ b/lib/private/DB/SetTransactionIsolationLevel.php @@ -3,31 +3,16 @@ 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/>. - * + * 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 { @@ -36,7 +21,13 @@ class SetTransactionIsolationLevel implements EventSubscriber { * @return void */ public function postConnect(ConnectionEventArgs $args) { - $args->getConnection()->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED); + $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() { |