@Override
  public void cancel(OperationState stateAfterCancel) throws HiveSQLException {
    throw new UnsupportedOperationException("HiveCommandOperation.cancel()");
  }
Reads the temporary results for non-Hive (non-Driver) commands to the
resulting List of strings.
@param nLines number of lines read at once. If it is <= 0, then read all lines.
service/src/java/org/apache/hive/service/cli/operation/HiveCommandOperation.java