xref: /webtrees/app/DB.php (revision b443b56c26f98911b2e84f1300e069729270de5f)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use Illuminate\Database\Capsule\Manager;
23use Illuminate\Database\Query\Builder;
24
25/**
26 * Database abstraction
27 */
28class DB extends Manager
29{
30    /**
31     * @internal
32     */
33    public static function caseInsensitiveLikeOperator(): string
34    {
35        if (DB::connection()->getDriverName() === 'pgsql') {
36            return 'ILIKE';
37        }
38
39        if (DB::connection()->getDriverName() === 'sqlsrv') {
40            return 'COLLATE SQL_UTF8_General_CI_AI LIKE';
41        }
42
43        return 'LIKE';
44    }
45
46    /**
47     * @internal
48     */
49    public static function groupConcat(string $column): string
50    {
51        switch (DB::connection()->getDriverName()) {
52            case 'pgsql':
53            case 'sqlsrv':
54                return 'STRING_AGG(' . $column . ", ',')";
55
56            case 'mysql':
57            case 'sqlite':
58            default:
59                return 'GROUP_CONCAT(' . $column . ')';
60        }
61    }
62
63    /**
64     * PHPSTAN can't detect the magic methods in the parent class.
65     */
66    public static function query(): Builder
67    {
68        return self::connection()->query();
69    }
70}
71