1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2017 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; 19use PDOException; 20 21/** 22 * Upgrade the database schema from version 18 to version 19. 23 */ 24class Migration18 implements MigrationInterface { 25 /** 26 * Upgrade to to the next version 27 */ 28 public function upgrade() { 29 // Update some indexes, based on analysis of slow-query-logs 30 try { 31 Database::exec( 32 "ALTER TABLE `##places`" . 33 " DROP KEY ix1," . 34 " DROP KEY ix2," . 35 " DROP KEY ix3," . 36 " DROP KEY ix4," . 37 " DROP p_level," . // Not needed - implicit from p_parent 38 " ADD KEY ix1 (p_file, p_place)," . // autocomplete.php 39 " ADD UNIQUE KEY ux1 (p_parent_id, p_file, p_place)" // placelist.php 40 ); 41 } catch (PDOException $ex) { 42 // Already done? 43 } 44 } 45} 46