xref: /webtrees/app/Schema/Migration18.php (revision 0120d29d7e1471af71218964540c1319d6060e5a)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 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 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Schema;
19
20use Fisharebest\Webtrees\Database;
21use PDOException;
22
23/**
24 * Upgrade the database schema from version 18 to version 19.
25 */
26class Migration18 implements MigrationInterface
27{
28    /**
29     * Upgrade to to the next version.
30     *
31     * @return void
32     */
33    public function upgrade(): void
34    {
35        // Update some indexes, based on analysis of slow-query-logs
36        try {
37            Database::exec(
38                "ALTER TABLE `##places`" .
39                " DROP       KEY ix1," .
40                " DROP       KEY ix2," .
41                " DROP       KEY ix3," .
42                " DROP       KEY ix4," .
43                " DROP       p_level," . // Not needed - implicit from p_parent
44                " ADD        KEY ix1 (p_file, p_place)," . // autocomplete.php
45                " ADD UNIQUE KEY ux1 (p_parent_id, p_file, p_place)" // placelist.php
46            );
47        } catch (PDOException $ex) {
48            // Already done?
49        }
50    }
51}
52