-Trying to drive through https://issues.apache.org/jira/browse/HIVE-4002
Hive-4002 is something I would really like to get into trunk. This group by
optimization can help very many use cases.
This has been a couple times now that every time I go to review and commit
it something else ends up touching the same things it will touch. This has
been patch available since Feb, if possible could you sideline any commits
that you suspect may effect this until I can run the tests and get it