HIVE-8295 : Add batch retrieve partition objects for metastore direct sql (Selina Zhang and Sergey Shelukhin, reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1639501 13f79535-47bb-0310-9956-ffa450edef68