@Override
    public boolean equals(java.lang.Object that) {
      if (that instanceof DownloadData_result)
        return this.equals((DownloadData_result)that);
      return false;
    }
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