HIVE-8223 : CBO Trunk Merge: partition_wise_fileformat2 select result depends on ordering (Sergey Shelukhin via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1628231 13f79535-47bb-0310-9956-ffa450edef68