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