code: public List executeQuery(String query, EntityMetadata m, KunderaQuery kunderaQuery)
      {
          DataFrame dataFrame = getDataFrame(query, m, kunderaQuery);
  
          // dataFrame.show();
          return dataHandler.loadDataAndPopulateResults(dataFrame, m, kunderaQuery);
      }
docs: Execute query.
  
  @param query
  the query
  @param m
  the m
  @param kunderaQuery
  the kundera query
  @return the list