HIVE-9025 : join38.q (without map join) produces incorrect result when testing w
ith multiple reducers (Ted Xu via Ashutosh Chauhan)
merged from trunk, r1644717

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1644721 13f79535-47bb-0310-9956-ffa450edef68