HIVE-8637: In insert into X select from Y, table properties from X are clobbering those from Y (Alan Gates via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635243 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8625 : Some union queries result in plans with many unions with CBO on ( Jesús Camacho Rodríguez via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635245 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8620 : CBO: HIVE-8433 RowResolver check is too stringent (Sergey Shelukhin, reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635264 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8619: CBO causes some more type problems (Laljo John Pullokkaran via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635270 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8647: HIVE-8186 causes addition of same child operator multiple times (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635299 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8627: Compute stats on a table from impala caused the table to be corrupted (Na via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635309 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8629 Streaming / ACID : hive cli session creation takes too long and times out if execution engine is tez (Roshan Naik via Alan Gates)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635337 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8641: Disable skew joins in tez. (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1635338 13f79535-47bb-0310-9956-ffa450edef68