71 lines
2.2 KiB
PHP
71 lines
2.2 KiB
PHP
<?php
|
|
/**
|
|
* @author Andreas Fischer <bantu@owncloud.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author tbelau666 <thomas.belau@gmx.de>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* 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, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OC\DB;
|
|
use OCP\IConfig;
|
|
|
|
/**
|
|
* Various PostgreSQL specific helper functions.
|
|
*/
|
|
class PgSqlTools {
|
|
|
|
/** @var \OCP\IConfig */
|
|
private $config;
|
|
|
|
/**
|
|
* @param \OCP\IConfig $config
|
|
*/
|
|
public function __construct(IConfig $config) {
|
|
$this->config = $config;
|
|
}
|
|
|
|
/**
|
|
* @brief Resynchronizes all sequences of a database after using INSERTs
|
|
* without leaving out the auto-incremented column.
|
|
* @param \OC\DB\Connection $conn
|
|
* @return null
|
|
*/
|
|
public function resynchronizeDatabaseSequences(Connection $conn) {
|
|
$filterExpression = '/^' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
|
|
$databaseName = $conn->getDatabase();
|
|
$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
|
|
|
|
foreach ($conn->getSchemaManager()->listSequences() as $sequence) {
|
|
$sequenceName = $sequence->getName();
|
|
$sqlInfo = 'SELECT table_schema, table_name, column_name
|
|
FROM information_schema.columns
|
|
WHERE column_default = ? AND table_catalog = ?';
|
|
$sequenceInfo = $conn->fetchAssoc($sqlInfo, array(
|
|
"nextval('$sequenceName'::regclass)",
|
|
$databaseName
|
|
));
|
|
$tableName = $sequenceInfo['table_name'];
|
|
$columnName = $sequenceInfo['column_name'];
|
|
$sqlMaxId = "SELECT MAX($columnName) FROM $tableName";
|
|
$sqlSetval = "SELECT setval('$sequenceName', ($sqlMaxId))";
|
|
$conn->executeQuery($sqlSetval);
|
|
}
|
|
}
|
|
}
|