code: 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);
      }
docs: Get the MetaModel id and the filter id.
  
  @param string $strTable Name of table.
  
  @param int    $intID    ID of the filter.
  
  @return null|\stdClass Returns null when nothing was found or a \Database\Result with the chosen information.
  
  @throws \Doctrine\DBAL\DBALException When an database error occur.