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<?php
/**
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
*
* @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 OCA\Files\Command;
use Doctrine\DBAL\Platforms\PostgreSqlPlatform;
use Doctrine\DBAL\Platforms\SqlitePlatform;
use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
/**
* Delete all file entries that have no matching entries in the storage table.
*/
class DeleteOrphanedFiles extends Command {
const CHUNK_SIZE = 200;
/**
* @var IDBConnection
*/
protected $connection;
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
parent::__construct();
}
protected function configure() {
$this
->setName('files:cleanup')
->setDescription('cleanup filecache');
}
public function execute(InputInterface $input, OutputInterface $output) {
$deletedEntries = 0;
$query = $this->connection->getQueryBuilder();
$query->select('fc.fileid')
->from('filecache', 'fc')
->where($query->expr()->isNull('s.numeric_id'))
->leftJoin('fc', 'storages', 's', $query->expr()->eq('fc.storage', 's.numeric_id'))
->setMaxResults(self::CHUNK_SIZE);
$deleteQuery = $this->connection->getQueryBuilder();
$deleteQuery->delete('filecache')
->where($deleteQuery->expr()->eq('fileid', $deleteQuery->createParameter('objectid')));
$deletedInLastChunk = self::CHUNK_SIZE;
while ($deletedInLastChunk === self::CHUNK_SIZE) {
$deletedInLastChunk = 0;
$result = $query->execute();
while ($row = $result->fetch()) {
$deletedInLastChunk++;
$deletedEntries += $deleteQuery->setParameter('objectid', (int) $row['fileid'])
->execute();
}
$result->closeCursor();
}
$output->writeln("$deletedEntries orphaned file cache entries deleted");
}
}
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