94 lines
2.9 KiB
PHP
94 lines
2.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Victor Dubiniuk <dubiniuk@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\DB;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Schema\Schema;
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use Doctrine\DBAL\Types\BigIntType;
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use Doctrine\DBAL\Types\Type;
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class SQLiteMigrator extends Migrator {
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/**
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* @param \Doctrine\DBAL\Schema\Schema $targetSchema
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* @throws \OC\DB\MigrationException
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*
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* For sqlite we simple make a copy of the entire database, and test the migration on that
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*/
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public function checkMigrate(\Doctrine\DBAL\Schema\Schema $targetSchema) {
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$dbFile = $this->connection->getDatabase();
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$tmpFile = $this->buildTempDatabase();
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copy($dbFile, $tmpFile);
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$connectionParams = [
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'path' => $tmpFile,
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'driver' => 'pdo_sqlite',
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];
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$conn = \Doctrine\DBAL\DriverManager::getConnection($connectionParams);
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try {
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$this->applySchema($targetSchema, $conn);
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$conn->close();
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unlink($tmpFile);
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} catch (DBALException $e) {
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$conn->close();
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unlink($tmpFile);
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throw new MigrationException('', $e->getMessage());
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}
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}
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/**
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* @return string
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*/
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private function buildTempDatabase() {
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$dataDir = $this->config->getSystemValue("datadirectory", \OC::$SERVERROOT . '/data');
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$tmpFile = uniqid("oc_");
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return "$dataDir/$tmpFile.db";
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}
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/**
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* @param Schema $targetSchema
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* @param \Doctrine\DBAL\Connection $connection
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* @return \Doctrine\DBAL\Schema\SchemaDiff
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*/
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protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
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$platform = $connection->getDatabasePlatform();
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$platform->registerDoctrineTypeMapping('tinyint unsigned', 'integer');
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$platform->registerDoctrineTypeMapping('smallint unsigned', 'integer');
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$platform->registerDoctrineTypeMapping('varchar ', 'string');
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// with sqlite autoincrement columns is of type integer
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foreach ($targetSchema->getTables() as $table) {
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foreach ($table->getColumns() as $column) {
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if ($column->getType() instanceof BigIntType && $column->getAutoincrement()) {
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$column->setType(Type::getType('integer'));
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}
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}
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}
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return parent::getDiff($targetSchema, $connection);
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}
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}
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