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37 lines
1.0 KiB
PHP
37 lines
1.0 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\DB;
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use Doctrine\Common\EventSubscriber;
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use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;
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use Doctrine\DBAL\Event\ConnectionEventArgs;
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use Doctrine\DBAL\Events;
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use Doctrine\DBAL\Platforms\MySQLPlatform;
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use Doctrine\DBAL\TransactionIsolationLevel;
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class SetTransactionIsolationLevel implements EventSubscriber {
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/**
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* @param ConnectionEventArgs $args
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* @return void
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*/
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public function postConnect(ConnectionEventArgs $args) {
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$connection = $args->getConnection();
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if ($connection instanceof PrimaryReadReplicaConnection && $connection->isConnectedToPrimary()) {
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$connection->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED);
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if ($connection->getDatabasePlatform() instanceof MySQLPlatform) {
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$connection->executeStatement('SET SESSION AUTOCOMMIT=1');
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}
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}
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}
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public function getSubscribedEvents() {
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return [Events::postConnect];
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}
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}
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