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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2023 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees;
use Illuminate\Database\Capsule\Manager;
* Database abstraction
class DB extends Manager
{
* @internal
public static function caseInsensitiveLikeOperator(): string
if (DB::connection()->getDriverName() === 'pgsql') {
return 'ILIKE';
}
if (DB::connection()->getDriverName() === 'sqlsrv') {
return 'COLLATE SQL_UTF8_General_CI_AI LIKE';
return 'LIKE';
public static function groupConcat(string $column): string
switch (DB::connection()->getDriverName()) {
case 'pgsql':
case 'sqlsrv':
return 'STRING_AGG(' . $column . ", ',')";
case 'mysql':
case 'sqlite':
default:
return 'GROUP_CONCAT(' . $column . ')';