HIVE-7832: Do ORC dictionary check at a finer level and preserve encoding across stripes (Prasanth J reviewed by Gopal V)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622119 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7901 : CLONE - pig -useHCatalog with embedded metastore fails to pass command line args to metastore (Eric Hanson via Sushanth Sowmyan)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622146 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7915 Expose High and Low value in plan.ColStatistics (Harish Butani via Prasath Jayachandran)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622150 13f79535-47bb-0310-9956-ffa450edef68