@Override
  public boolean equals(java.lang.Object that) {
    if (that instanceof TRowSet)
      return this.equals((TRowSet)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/TRowSet.java