@Override
  protected org.apache.thrift.protocol.TField getFieldDesc(_Fields setField) {
    switch (setField) {
      case I32_VALUE:
        return I32_VALUE_FIELD_DESC;
      case STRING_VALUE:
        return STRING_VALUE_FIELD_DESC;
      default:
        throw new java.lang.IllegalArgumentException("Unknown field id " + setField);
    }
  }
Find the _Fields constant that matches name, or null if its not found.
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TTypeQualifierValue.java