HIVE-8350 : Constant folding should happen before group-by optimization (Ashutosh Chauhan via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1629908 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8366 : CBO fails if there is a table sample in subquery (Ashutosh Chauhan via John Pullokkaran)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1629910 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8283 : Missing break in FilterSelectivityEstimator#visitCall() (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1629912 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8272 : Query with particular decimal expression causes NPE during execution initialization (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1629914 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8321 : Fix serialization of TypeInfo for qualified types (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1629915 13f79535-47bb-0310-9956-ffa450edef68