<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
 *
 * LICENSE: GNU Affero General Public License, version 3 (AGPLv3)
 * Copyright 2001 - 2016 Ampache.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace Lib\Metadata\Repository;

/**
 * Description of Metadata_field
 *
 * @author raziel
 */
class MetadataField extends \Lib\Repository
{
    protected $modelClassName = '\Lib\Metadata\Model\MetadataField';

    public static function gc()
    {
        \Dba::write('DELETE FROM `metadata_field` USING `metadata_field` LEFT JOIN `metadata` ON `metadata`.`field` = `metadata_field`.`id` WHERE `metadata`.`id` IS NULL');
    }
}