public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (success != null) {
        success.validate();
      }
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TCLIService.java