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<?php
/**
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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\Repair;
use Doctrine\DBAL\Platforms\MySqlPlatform;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
class Collation implements IRepairStep {
/**
* @var \OCP\IConfig
*/
protected $config;
/**
* @var \OC\DB\Connection
*/
protected $connection;
/**
* @param \OCP\IConfig $config
* @param \OC\DB\Connection $connection
*/
public function __construct($config, $connection) {
$this->connection = $connection;
$this->config = $config;
}
public function getName() {
return 'Repair MySQL collation';
}
/**
* Fix mime types
*/
public function run(IOutput $output) {
if (!$this->connection->getDatabasePlatform() instanceof MySqlPlatform) {
$output->info('Not a mysql database -> nothing to no');
return;
}
$tables = $this->getAllNonUTF8BinTables($this->connection);
foreach ($tables as $table) {
$output->info("Change collation for $table ...");
$query = $this->connection->prepare('ALTER TABLE `' . $table . '` CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;');
$query->execute();
}
}
/**
* @param \Doctrine\DBAL\Connection $connection
* @return string[]
*/
protected function getAllNonUTF8BinTables($connection) {
$dbName = $this->config->getSystemValue("dbname");
$rows = $connection->fetchAll(
"SELECT DISTINCT(TABLE_NAME) AS `table`" .
" FROM INFORMATION_SCHEMA . COLUMNS" .
" WHERE TABLE_SCHEMA = ?" .
" AND (COLLATION_NAME <> 'utf8_bin' OR CHARACTER_SET_NAME <> 'utf8')" .
" AND TABLE_NAME LIKE \"*PREFIX*%\"",
array($dbName)
);
$result = array();
foreach ($rows as $row) {
$result[] = $row['table'];
}
return $result;
}
}
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