1<?php 2/* 3 * vim:set softtabstop=4 shiftwidth=4 expandtab: 4 * 5 * LICENSE: GNU Affero General Public License, version 3 (AGPL-3.0-or-later) 6 * Copyright 2001 - 2020 Ampache.org 7 * 8 * This program is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU Affero General Public License as published by 10 * the Free Software Foundation, either version 3 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU Affero General Public License for more details. 17 * 18 * You should have received a copy of the GNU Affero General Public License 19 * along with this program. If not, see <https://www.gnu.org/licenses/>. 20 */ 21 22namespace Ampache\Repository\Model\Metadata\Repository; 23 24use Ampache\Module\System\Dba; 25use Ampache\Repository\Repository; 26 27class MetadataField extends Repository 28{ 29 protected $modelClassName = \Ampache\Repository\Model\Metadata\Model\MetadataField::class; 30 31 public static function garbage_collection() 32 { 33 Dba::write("DELETE FROM `metadata_field` USING `metadata_field` LEFT JOIN `metadata` ON `metadata`.`field` = `metadata_field`.`id` WHERE `metadata`.`id` IS NULL;"); 34 } 35} 36