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<?php
/**
* 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/>.
*/
namespace Fisharebest\Webtrees\Schema;
use Fisharebest\Webtrees\Database;
use PDOException;
/**
* Upgrade the database schema from version 2 to version 2.
*/
class Migration2 implements MigrationInterface {
/**
* Upgrade to to the next version
*/
public function upgrade() {
// - create the wt_gedcom_chunk table to import gedcoms in
// blocks of data smaller than the max_allowed_packet restriction.
Database::exec(
"CREATE TABLE IF NOT EXISTS `##gedcom_chunk` (" .
" gedcom_chunk_id INTEGER AUTO_INCREMENT NOT NULL," .
" gedcom_id INTEGER NOT NULL," .
" chunk_data MEDIUMBLOB NOT NULL," .
" imported BOOLEAN NOT NULL DEFAULT FALSE," .
" PRIMARY KEY (gedcom_chunk_id)," .
" KEY ix1 (gedcom_id, imported)," .
" FOREIGN KEY fk1 (gedcom_id) REFERENCES `##gedcom` (gedcom_id)" .
") COLLATE utf8_unicode_ci ENGINE=InnoDB"
);
try {
Database::exec(
"ALTER TABLE `##gedcom` DROP import_gedcom, DROP import_offset"
);
} catch (PDOException $ex) {
// Perhaps we have already deleted these columns?
}
}
}
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