xref: /webtrees/app/Schema/Migration2.php (revision 1efebf18750c84c258e87e294e56bd7ef897b541)
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 Fisharebest\Webtrees\DebugBar;
22use PDOException;
23
24/**
25 * Upgrade the database schema from version 2 to version 2.
26 */
27class Migration2 implements MigrationInterface
28{
29    /**
30     * Upgrade to to the next version
31     *
32     * @return void
33     */
34    public function upgrade()
35    {
36        // - create the wt_gedcom_chunk table to import gedcoms in
37        // blocks of data smaller than the max_allowed_packet restriction.
38
39        Database::exec(
40            "CREATE TABLE IF NOT EXISTS `##gedcom_chunk` (" .
41            " gedcom_chunk_id INTEGER AUTO_INCREMENT NOT NULL," .
42            " gedcom_id       INTEGER                NOT NULL," .
43            " chunk_data      MEDIUMBLOB             NOT NULL," .
44            " imported        BOOLEAN                NOT NULL DEFAULT FALSE," .
45            " PRIMARY KEY     (gedcom_chunk_id)," .
46            "         KEY ix1 (gedcom_id, imported)," .
47            " FOREIGN KEY `##gedcom_chunk_fk1` (gedcom_id) REFERENCES `##gedcom` (gedcom_id)" .
48            ") COLLATE utf8_unicode_ci ENGINE=InnoDB"
49        );
50
51        try {
52            Database::exec(
53                "ALTER TABLE `##gedcom` DROP import_gedcom, DROP import_offset"
54            );
55        } catch (PDOException $ex) {
56            // Perhaps we have already deleted these columns?
57        }
58    }
59}
60