protected function getMetaModelDataFrom($strTable, $intID)
    {
        // Check if we know the table.
        if (!$this->connection->getSchemaManager()->tablesExist([$strTable])) {
            return null;
        }

        // Get all information form table or return null if we have no data.
        $statement = $this->connection
            ->prepare('SELECT metamodel, metamodel_filtering FROM ' . $strTable . ' WHERE id=? LIMIT 0,1');

        $statement->bindValue(1, $intID);
        $statement->execute();

        // Check if we have some data.
        if ($statement->rowCount() < 1) {
            return null;
        }

        return $statement->fetch(\PDO::FETCH_OBJ);
    }