xref: /webtrees/app/Schema/Migration2.php (revision 76692c8b291f16d9251d67f27078779f6737fe7e)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2015 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 PDOException;
20
21/**
22 * Upgrade the database schema from version 2 to version 2.
23 */
24class Migration2 implements MigrationInterface {
25	/**
26	 * Upgrade to to the next version
27	 */
28	public function upgrade() {
29		// - create the wt_gedcom_chunk table to import gedcoms in
30		// blocks of data smaller than the max_allowed_packet restriction.
31
32		Database::exec(
33			"CREATE TABLE IF NOT EXISTS `##gedcom_chunk` (" .
34			" gedcom_chunk_id INTEGER AUTO_INCREMENT NOT NULL," .
35			" gedcom_id       INTEGER                NOT NULL," .
36			" chunk_data      MEDIUMBLOB             NOT NULL," .
37			" imported        BOOLEAN                NOT NULL DEFAULT FALSE," .
38			" PRIMARY KEY     (gedcom_chunk_id)," .
39			"         KEY ix1 (gedcom_id, imported)," .
40			" FOREIGN KEY fk1 (gedcom_id) REFERENCES `##gedcom` (gedcom_id)" .
41			") COLLATE utf8_unicode_ci ENGINE=InnoDB"
42		);
43
44		try {
45			Database::exec(
46				"ALTER TABLE `##gedcom` DROP import_gedcom, DROP import_offset"
47			);
48		} catch (PDOException $ex) {
49			// Perhaps we have already deleted these columns?
50		}
51	}
52}
53