owncloud/core

<?php
/**
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Victor Dubiniuk <dubiniuk@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\DB;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Types\BigIntType;
use Doctrine\DBAL\Types\Type;

class SQLiteMigrator extends Migrator {
    /**
     * @return Schema
     */
    public function createSchema() {
        $this->registerAdditionalMappings($this->connection);
        return parent::createSchema();
    }

    /**
     * @param Schema $targetSchema
     * @param \Doctrine\DBAL\Connection $connection
     * @return \Doctrine\DBAL\Schema\SchemaDiff
     */
    protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
        $this->registerAdditionalMappings($connection);

        // with sqlite autoincrement columns is of type integer
        foreach ($targetSchema->getTables() as $table) {
            foreach ($table->getColumns() as $column) {
                if ($column->getType() instanceof BigIntType && $column->getAutoincrement()) {
                    $column->setType(Type::getType('integer'));
                }
            }
        }

        return parent::getDiff($targetSchema, $connection);
    }

    /**
     * @param \Doctrine\DBAL\Connection $connection
     */
    private function registerAdditionalMappings(\Doctrine\DBAL\Connection $connection) {
        $platform = $connection->getDatabasePlatform();
        $platform->registerDoctrineTypeMapping('tinyint unsigned', 'integer');
        $platform->registerDoctrineTypeMapping('smallint unsigned', 'integer');
        $platform->registerDoctrineTypeMapping('varchar ', 'string');
    }
}