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53 lines
1.8 KiB
PHP
53 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2019 Daniel Kesselberg <mail@danielkesselberg.de>
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*
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* @author Daniel Kesselberg <mail@danielkesselberg.de>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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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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