HIVE-9130 : vector_partition_diff_num_cols result is not updated after CBO upgrade (Sergey Shelukhin via Navis, reviwed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646162 13f79535-47bb-0310-9956-ffa450edef68