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<?php
/**
* SPDX-FileCopyrightText: 2017 ownCloud GmbH
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\Core\Command\Db;
use OC\DB\MySqlTools;
use OC\Migration\ConsoleOutput;
use OC\Repair\Collation;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IURLGenerator;
use Psr\Log\LoggerInterface;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class ConvertMysqlToMB4 extends Command {
public function __construct(
private IConfig $config,
private IDBConnection $connection,
private IURLGenerator $urlGenerator,
private LoggerInterface $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 $output): int {
if ($this->connection->getDatabaseProvider() !== IDBConnection::PLATFORM_MYSQL) {
$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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