HIVE-8724: Right outer join produces incorrect result on Tez (Gunther Hagleitner, reviewed by Harish Butani and Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1637000 13f79535-47bb-0310-9956-ffa450edef68