code: @Override
    public RowSet fetchResults(OperationHandle opHandle)
        throws HiveSQLException {
      return fetchResults(opHandle, Operation.DEFAULT_FETCH_ORIENTATION,
          Operation.DEFAULT_FETCH_MAX_ROWS, FetchType.QUERY_OUTPUT);
    }
docs: /* (non-Javadoc)
  @see org.apache.hive.service.cli.ICLIService#fetchResults(org.apache.hive.service.cli.OperationHandle)