Changes for Build #1868 [kevinwilfong] HIVE-3728. make optimizing multi-group by configurable. (njain via kevinwilfong)
[kevinwilfong] HIVE-3757. union_remove_9.q fails in trunk (hadoop 23) (njain via kevinwilfong) No tests ran. The Apache Jenkins build system has built Hive-trunk-h0.21 (build #1868) Status: Failure Check console output at https://builds.apache.org/job/Hive-trunk-h0.21/1868/ to view the results.
