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<?php
namespace Fisharebest\Webtrees\Schema;
/**
* webtrees: online genealogy
* Copyright (C) 2015 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 <http://www.gnu.org/licenses/>.
*/
use Fisharebest\Webtrees\Database;
use PDOException;
/**
* Class Migration18 - upgrade the database schema from version 18 to version 19.
*/
class Migration18 implements MigrationInterface {
/** {@inheritDoc} */
public function upgrade() {
// Update some indexes, based on analysis of slow-query-logs
try {
Database::exec(
"ALTER TABLE `##places`" .
" DROP KEY ix1," .
" DROP KEY ix2," .
" DROP KEY ix3," .
" DROP KEY ix4," .
" DROP p_level," . // Not needed - implicit from p_parent
" ADD KEY ix1 (p_file, p_place)," . // autocomplete.php, find.php
" ADD UNIQUE KEY ux1 (p_parent_id, p_file, p_place)" // placelist.php
);
} catch (PDOException $ex) {
// Already done?
}
}
}
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