HIVE-7052: Optimize split calculation time (Rajesh Balamohan reviewed by Prasanth J

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1599388 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7162 : hadoop-1 build broken by HIVE-7071 (Vikram Dixit K reviewed by Thejas M Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1599414 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7170 : Fix display_colstats_tbllvl.q in trunk (Navis via Prasanth J)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1599917 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7131 : Dependencies of fetch task for tez are not shown properly (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1600710 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4867 : Deduplicate columns appearing in both the key list and value list of ReduceSinkOperator (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1600719 13f79535-47bb-0310-9956-ffa450edef68