@org.apache.thrift.annotation.Nullable
  public java.lang.Object getFieldValue(_Fields field) {
    switch (field) {
    case OPERATION_ID:
      return getOperationId();

    case OPERATION_TYPE:
      return getOperationType();

    case HAS_RESULT_SET:
      return isHasResultSet();

    case MODIFIED_ROW_COUNT:
      return getModifiedRowCount();

    }
    throw new java.lang.IllegalStateException();
  }
Returns true if field modifiedRowCount is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TOperationHandle.java