xref: /webtrees/app/Schema/Migration2.php (revision 2836aa05d87d478edc3ef1f1983e9d37862ded10)
1<?php
2namespace Fisharebest\Webtrees\Schema;
3
4/**
5 * webtrees: online genealogy
6 * Copyright (C) 2015 webtrees development team
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18use Fisharebest\Webtrees\Database;
19use PDOException;
20
21/**
22 * Class Migration2 - upgrade the database schema from version 2 to version 2.
23 */
24class Migration2 implements MigrationInterface {
25	/** {@inheritDoc} */
26	public function upgrade() {
27		// - create the wt_gedcom_chunk table to import gedcoms in
28		// blocks of data smaller than the max_allowed_packet restriction.
29
30		Database::exec(
31			"CREATE TABLE IF NOT EXISTS `##gedcom_chunk` (" .
32			" gedcom_chunk_id INTEGER AUTO_INCREMENT NOT NULL," .
33			" gedcom_id       INTEGER                NOT NULL," .
34			" chunk_data      MEDIUMBLOB             NOT NULL," .
35			" imported        BOOLEAN                NOT NULL DEFAULT FALSE," .
36			" PRIMARY KEY     (gedcom_chunk_id)," .
37			"         KEY ix1 (gedcom_id, imported)," .
38			" FOREIGN KEY fk1 (gedcom_id) REFERENCES `##gedcom` (gedcom_id)" .
39			") COLLATE utf8_unicode_ci ENGINE=InnoDB"
40		);
41
42		try {
43			Database::exec(
44				"ALTER TABLE `##gedcom` DROP import_gedcom, DROP import_offset"
45			);
46		} catch (PDOException $ex) {
47			// Perhaps we have already deleted these columns?
48		}
49	}
50}
51