src/Web/Sessions/SessionArchiveInDb.php
protected function createCommand($sql = null, $params = [], $connection = null)
    {
        return $this->db->createCommand($sql = null, $params = [], $connection = null);
    }
protected function createCommand($sql = null, $params = [], $connection = null)
    {
        return $this->db->createCommand($sql = null, $params = [], $connection = null);
    }
Create command
@param string|null              $sql
@param array                    $params
@param ConnectionInterface|null $connection
@return CommandInterface