public function fetch()
        {
            try {
                if ($this->values = $this->statement->fetch(\PDO::FETCH_ASSOC)) {
                    return $this->values;
                } else {
                    return false;
                }
            } catch (\PDOException $e) {
                throw new Exception('An error occured while trying to fetch the result: "' . $e->getMessage() . '"');
            }
        }