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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @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>
*
* @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\DBALException;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Types\BigIntType;
use Doctrine\DBAL\Types\Type;
class SQLiteMigrator extends Migrator {
/**
* @param \Doctrine\DBAL\Schema\Schema $targetSchema
* @throws \OC\DB\MigrationException
*
* For sqlite we simple make a copy of the entire database, and test the migration on that
*/
public function checkMigrate(\Doctrine\DBAL\Schema\Schema $targetSchema) {
$dbFile = $this->connection->getDatabase();
$tmpFile = $this->buildTempDatabase();
copy($dbFile, $tmpFile);
$connectionParams = array(
'path' => $tmpFile,
'driver' => 'pdo_sqlite',
);
$conn = \Doctrine\DBAL\DriverManager::getConnection($connectionParams);
try {
$this->applySchema($targetSchema, $conn);
$conn->close();
unlink($tmpFile);
} catch (DBALException $e) {
$conn->close();
unlink($tmpFile);
throw new MigrationException('', $e->getMessage());
}
}
/**
* @return string
*/
private function buildTempDatabase() {
$dataDir = $this->config->getSystemValue("datadirectory", \OC::$SERVERROOT . '/data');
$tmpFile = uniqid("oc_");
return "$dataDir/$tmpFile.db";
}
/**
* @param Schema $targetSchema
* @param \Doctrine\DBAL\Connection $connection
* @return \Doctrine\DBAL\Schema\SchemaDiff
*/
protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
$platform = $connection->getDatabasePlatform();
$platform->registerDoctrineTypeMapping('tinyint unsigned', 'integer');
$platform->registerDoctrineTypeMapping('smallint unsigned', 'integer');
$platform->registerDoctrineTypeMapping('varchar ', 'string');
// with sqlite autoincrement columns is of type integer
foreach ($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);
}
}
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