HIVE-9127: Improve CombineHiveInputFormat.getSplit performance (Brock via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646510 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8131 - Support timestamp in Avro (Ferdinand Xu via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646528 13f79535-47bb-0310-9956-ffa450edef68
HIVE-9149: Add unit test to test implicit conversion during dynamic partitioning/distribute by (Jason Dere, reviewed by Prasanth Jayachandran)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646593 13f79535-47bb-0310-9956-ffa450edef68
HIVE-9141 : HiveOnTez: mix of union all, distinct, group by generates error (Navis via Vikram Dixit)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646594 13f79535-47bb-0310-9956-ffa450edef68
HIVE-9106 : improve the performance of null scan optimizer when several table scans share a physical path (Pengcheng Xiong via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646596 13f79535-47bb-0310-9956-ffa450edef68
HIVE-9162 : stats19 test is environment-dependant (Sergey Shelukhin, reviewed by Laljo John Pullokkaran)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646598 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7024 : Escape control characters for explain result (Navis reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1646606 13f79535-47bb-0310-9956-ffa450edef68