@Override
  public void process(Object[] args) throws HiveException {
    count = Integer.valueOf(count.intValue() + 1);
  }
GenericUDTFCount2 outputs the number of rows seen, twice. It's output twice
to test outputting of rows on close with lateral view.
contrib/src/java/org/apache/hadoop/hive/contrib/udtf/example/GenericUDTFCount2.java