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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\DB;
class AdapterMySQL extends Adapter {
/** @var string */
protected $collation;
/**
* @param string $tableName
*/
public function lockTable($tableName) {
$this->conn->executeUpdate('LOCK TABLES `' .$tableName . '` WRITE');
}
public function unlockTable() {
$this->conn->executeUpdate('UNLOCK TABLES');
}
public function fixupStatement($statement) {
$statement = str_replace(' ILIKE ', ' COLLATE ' . $this->getCollation() . ' LIKE ', $statement);
return $statement;
}
protected function getCollation(): string {
if (!$this->collation) {
$params = $this->conn->getParams();
$this->collation = $params['collation'] ?? (($params['charset'] ?? 'utf8') . '_general_ci');
}
return $this->collation;
}
}
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