1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2015 webtrees development team 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16namespace Fisharebest\Webtrees\Schema; 17 18use Fisharebest\Webtrees\Database; 19 20/** 21 * Upgrade the database schema from version 19 to version 20. 22 */ 23class Migration19 implements MigrationInterface { 24 /** 25 * Upgrade to to the next version 26 */ 27 public function upgrade() { 28 // Fix some broken data caused by a bug 29 Database::exec("UPDATE `##default_resn` SET xref = NULL WHERE xref = ''"); 30 Database::exec("UPDATE `##default_resn` SET tag_type = NULL WHERE tag_type = ''"); 31 } 32} 33