HIVE-7323 : Date type stats in ORC sometimes go stale (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1608844 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7299: Enable metadata only optimization on Tez (Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1608959 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7364 : Trunk cannot be built on -Phadoop1 after HIVE-7144 (Navis reviewed by Jason Dere)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1608975 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7308: Show auto-parallelism in extended explain (Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1608995 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7317 : authorization_explain.q fails when run in sequence (Navis reviewed by Thejas M Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1609023 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7220 : Empty dir in external table causes issue (Szehon Ho via Navis)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1609025 13f79535-47bb-0310-9956-ffa450edef68