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<?php
/**
* @copyright Copyright (c) 2017, ownCloud GmbH
*
* @author Morris Jobke <hey@morrisjobke.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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\Core\Command\Db;
use Doctrine\DBAL\Platforms\MySqlPlatform;
use OC\DB\MySqlTools;
use OC\Migration\ConsoleOutput;
use OC\Repair\Collation;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\ILogger;
use OCP\IURLGenerator;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class ConvertMysqlToMB4 extends Command {
/** @var IConfig */
private $config;
/** @var IDBConnection */
private $connection;
/** @var IURLGenerator */
private $urlGenerator;
/** @var ILogger */
private $logger;
/**
* @param IConfig $config
* @param IDBConnection $connection
* @param IURLGenerator $urlGenerator
* @param ILogger $logger
*/
public function __construct(IConfig $config, IDBConnection $connection, IURLGenerator $urlGenerator, ILogger $logger) {
$this->config = $config;
$this->connection = $connection;
$this->urlGenerator = $urlGenerator;
$this->logger = $logger;
parent::__construct();
}
protected function configure() {
$this
->setName('db:convert-mysql-charset')
->setDescription('Convert charset of MySQL/MariaDB to use utf8mb4');
}
protected function execute(InputInterface $input, OutputInterface $output) {
if (!$this->connection->getDatabasePlatform() instanceof MySqlPlatform) {
$output->writeln("This command is only valid for MySQL/MariaDB databases.");
return 1;
}
$tools = new MySqlTools();
if (!$tools->supports4ByteCharset($this->connection)) {
$url = $this->urlGenerator->linkToDocs('admin-mysql-utf8mb4');
$output->writeln("The database is not properly setup to use the charset utf8mb4.");
$output->writeln("For more information please read the documentation at $url");
return 1;
}
// enable charset
$this->config->setSystemValue('mysql.utf8mb4', true);
// run conversion
$coll = new Collation($this->config, $this->logger, $this->connection, false);
$coll->run(new ConsoleOutput($output));
return 0;
}
}
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