protected function getProperty($dataName)
    {
        $dataName = explode('.', trim($dataName));

        if (count($dataName) != 2) {
            throw new Exception('You are set invalid date.');
        }

        $tableAlias = $dataName[0];
        $colName = $dataName[1];

        if ($this->query->repository()->alias() == $tableAlias) {
            return $colName;
        } elseif (array_key_exists($tableAlias, $this->query->contain())) {
            return [
                'propertyPath' => $this->query
                    ->eagerLoader()->normalized($this->query->repository())[$tableAlias]['propertyPath'],
                'field' => $colName
            ];
        }
    }