xref: /webtrees/app/Schema/Migration2.php (revision 873953697c930fadbf3243d2b8c0029fd684da0e)
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 */
16namespace Fisharebest\Webtrees\Schema;
17
18use Fisharebest\Webtrees\Database;
19use Fisharebest\Webtrees\DebugBar;
20use PDOException;
21
22/**
23 * Upgrade the database schema from version 2 to version 2.
24 */
25class Migration2 implements MigrationInterface
26{
27    /**
28     * Upgrade to to the next version
29     *
30     * @return void
31     */
32    public function upgrade()
33    {
34        // - create the wt_gedcom_chunk table to import gedcoms in
35        // blocks of data smaller than the max_allowed_packet restriction.
36
37        Database::exec(
38            "CREATE TABLE IF NOT EXISTS `##gedcom_chunk` (" .
39            " gedcom_chunk_id INTEGER AUTO_INCREMENT NOT NULL," .
40            " gedcom_id       INTEGER                NOT NULL," .
41            " chunk_data      MEDIUMBLOB             NOT NULL," .
42            " imported        BOOLEAN                NOT NULL DEFAULT FALSE," .
43            " PRIMARY KEY     (gedcom_chunk_id)," .
44            "         KEY ix1 (gedcom_id, imported)," .
45            " FOREIGN KEY `##gedcom_chunk_fk1` (gedcom_id) REFERENCES `##gedcom` (gedcom_id)" .
46            ") COLLATE utf8_unicode_ci ENGINE=InnoDB"
47        );
48
49        try {
50            Database::exec(
51                "ALTER TABLE `##gedcom` DROP import_gedcom, DROP import_offset"
52            );
53        } catch (PDOException $ex) {
54            DebugBar::addThrowable($ex);
55
56            // Perhaps we have already deleted these columns?
57        }
58    }
59}
60