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<?php
/**
* ownCloud
*
* @author Joas Schilling
* @copyright 2015 Joas Schilling nickvergessen@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Repair;
use OC\DB\Connection;
use OC\Hooks\BasicEmitter;
use OC\RepairStep;
class DropOldTables extends BasicEmitter implements RepairStep {
/** @var Connection */
protected $connection;
/**
* @param Connection $connection
*/
public function __construct(Connection $connection) {
$this->connection = $connection;
}
/**
* Returns the step's name
*
* @return string
*/
public function getName() {
return 'Drop old database tables';
}
/**
* Run repair step.
* Must throw exception on error.
*
* @throws \Exception in case of failure
*/
public function run() {
foreach ($this->oldDatabaseTables() as $tableName) {
if ($this->connection->tableExists($tableName)){
$this->emit('\OC\Repair', 'info', [
sprintf('Table %s has been deleted', $tableName)
]);
$this->connection->dropTable($tableName);
}
}
}
/**
* Returns a list of outdated tables which are not used anymore
* @return array
*/
protected function oldDatabaseTables() {
return [
'calendar_calendars',
'calendar_objects',
'calendar_share_calendar',
'calendar_share_event',
'foldersize',
'fscache',
'locks',
'log',
'media_albums',
'media_artists',
'media_sessions',
'media_songs',
'media_users',
'permissions',
'pictures_images_cache',
'queuedtasks',
'sharing',
];
}
}
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