Hi, > My intention is that we can iterate on the UNSTABLE-PRE-2.0 format without > cross-version compatibility. It will only be used for developer testing.
Sounds good - I tested Hive can communicate this to ORC correctly. set hive.exec.orc.write.format="UNSTABLE-PRE-2.0"; offers a very loosely coupled connectivity for the new features being tested. Cheers, Gopal