Merge pull request #18227 from nextcloud/bug/17947/set-transaction-isolation-connect
Add event subscriber for transaction isolation level
This commit is contained in:
commit
daf1d74af9
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@ -886,6 +886,7 @@ return array(
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'OC\\DB\\SQLiteMigrator' => $baseDir . '/lib/private/DB/SQLiteMigrator.php',
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'OC\\DB\\SQLiteMigrator' => $baseDir . '/lib/private/DB/SQLiteMigrator.php',
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'OC\\DB\\SQLiteSessionInit' => $baseDir . '/lib/private/DB/SQLiteSessionInit.php',
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'OC\\DB\\SQLiteSessionInit' => $baseDir . '/lib/private/DB/SQLiteSessionInit.php',
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'OC\\DB\\SchemaWrapper' => $baseDir . '/lib/private/DB/SchemaWrapper.php',
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'OC\\DB\\SchemaWrapper' => $baseDir . '/lib/private/DB/SchemaWrapper.php',
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'OC\\DB\\SetTransactionIsolationLevel' => $baseDir . '/lib/private/DB/SetTransactionIsolationLevel.php',
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'OC\\Dashboard\\DashboardManager' => $baseDir . '/lib/private/Dashboard/DashboardManager.php',
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'OC\\Dashboard\\DashboardManager' => $baseDir . '/lib/private/Dashboard/DashboardManager.php',
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'OC\\DatabaseException' => $baseDir . '/lib/private/DatabaseException.php',
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'OC\\DatabaseException' => $baseDir . '/lib/private/DatabaseException.php',
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'OC\\DatabaseSetupException' => $baseDir . '/lib/private/DatabaseSetupException.php',
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'OC\\DatabaseSetupException' => $baseDir . '/lib/private/DatabaseSetupException.php',
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@ -915,6 +915,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
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'OC\\DB\\SQLiteMigrator' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteMigrator.php',
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'OC\\DB\\SQLiteMigrator' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteMigrator.php',
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'OC\\DB\\SQLiteSessionInit' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteSessionInit.php',
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'OC\\DB\\SQLiteSessionInit' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteSessionInit.php',
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'OC\\DB\\SchemaWrapper' => __DIR__ . '/../../..' . '/lib/private/DB/SchemaWrapper.php',
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'OC\\DB\\SchemaWrapper' => __DIR__ . '/../../..' . '/lib/private/DB/SchemaWrapper.php',
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'OC\\DB\\SetTransactionIsolationLevel' => __DIR__ . '/../../..' . '/lib/private/DB/SetTransactionIsolationLevel.php',
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'OC\\Dashboard\\DashboardManager' => __DIR__ . '/../../..' . '/lib/private/Dashboard/DashboardManager.php',
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'OC\\Dashboard\\DashboardManager' => __DIR__ . '/../../..' . '/lib/private/Dashboard/DashboardManager.php',
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'OC\\DatabaseException' => __DIR__ . '/../../..' . '/lib/private/DatabaseException.php',
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'OC\\DatabaseException' => __DIR__ . '/../../..' . '/lib/private/DatabaseException.php',
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'OC\\DatabaseSetupException' => __DIR__ . '/../../..' . '/lib/private/DatabaseSetupException.php',
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'OC\\DatabaseSetupException' => __DIR__ . '/../../..' . '/lib/private/DatabaseSetupException.php',
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@ -151,8 +151,6 @@ class Connection extends ReconnectWrapper implements IDBConnection {
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parent::__construct($params, $driver, $config, $eventManager);
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parent::__construct($params, $driver, $config, $eventManager);
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$this->adapter = new $params['adapter']($this);
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$this->adapter = new $params['adapter']($this);
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$this->tablePrefix = $params['tablePrefix'];
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$this->tablePrefix = $params['tablePrefix'];
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$this->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED);
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}
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}
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/**
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/**
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@ -122,6 +122,7 @@ class ConnectionFactory {
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public function getConnection($type, $additionalConnectionParams) {
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public function getConnection($type, $additionalConnectionParams) {
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$normalizedType = $this->normalizeType($type);
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$normalizedType = $this->normalizeType($type);
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$eventManager = new EventManager();
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$eventManager = new EventManager();
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$eventManager->addEventSubscriber(new SetTransactionIsolationLevel());
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switch ($normalizedType) {
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switch ($normalizedType) {
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case 'mysql':
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case 'mysql':
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$eventManager->addEventSubscriber(
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$eventManager->addEventSubscriber(
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@ -0,0 +1,46 @@
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<?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\Event\ConnectionEventArgs;
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use Doctrine\DBAL\Events;
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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 $args) {
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$args->getConnection()->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED);
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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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