1<?php 2namespace Fisharebest\Webtrees\Schema; 3 4/** 5 * webtrees: online genealogy 6 * Copyright (C) 2015 webtrees development team 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18use Fisharebest\Webtrees\Database; 19use PDOException; 20 21/** 22 * Class Migration18 - upgrade the database schema from version 18 to version 19. 23 */ 24class Migration18 implements MigrationInterface { 25 /** {@inheritDoc} */ 26 public function upgrade() { 27 // Update some indexes, based on analysis of slow-query-logs 28 try { 29 Database::exec( 30 "ALTER TABLE `##places`" . 31 " DROP KEY ix1," . 32 " DROP KEY ix2," . 33 " DROP KEY ix3," . 34 " DROP KEY ix4," . 35 " DROP p_level," . // Not needed - implicit from p_parent 36 " ADD KEY ix1 (p_file, p_place)," . // autocomplete.php, find.php 37 " ADD UNIQUE KEY ux1 (p_parent_id, p_file, p_place)" // placelist.php 38 ); 39 } catch (PDOException $ex) { 40 // Already done? 41 } 42 } 43} 44