public function getDeliveryExecution($identifier)
    {
        $query = $this->getQueryBuilder()
            ->select("*")
            ->from(self::TABLE_NAME)
            ->where(self::COLUMN_ID . " = :id")
            ->setParameter("id", $identifier)
        ;

        $result = $query->execute()->fetch();

        if (!$result) {
            $result = [];
        }

        return $this->parseQueryResult($result);
    }