HIVE-7936. Support for handling Thrift Union types (Suma Shivaprasad via amareshwari)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1625000 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7936. Adding missing binary file

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1625041 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8085 : stats optimizer should not use Description annotation to figure out function mapping (because FunctionRegistry doesn't) (Sergey Shelukhin, reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1625177 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8095 : Tez and Vectorized GROUP BY: ClassCastException: ...HiveDecimal cannot be cast to ...HiveDecimalWritable (Matt McCline via Jitendra Nath Pandey)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1625217 13f79535-47bb-0310-9956-ffa450edef68