HIVE-4095 Add exchange partition in Hive
(Dheeraj Kumar Singh via namit)



git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1475722 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4409 Prevent incompatible column type changes
(Dilip Joseph via namit)



git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1475783 13f79535-47bb-0310-9956-ffa450edef68