HIVE-7684 : Avoid validating hook EnforceReadOnlyTable during test driver cleanup. (Venki Korukanti via Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617788 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7477: Upgrade hive to use tez 0.4.1 (Vikram Dixit, reviewed by Ashutosh Chouhan, Navis Ryu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617801 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7676 : JDBC: Support more DatabaseMetaData, ResultSetMetaData methods (Alexander Pivovarov via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617838 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7446 : Add support to ALTER TABLE .. ADD COLUMN to Avro backed tables (Ashish Kumar Singh via Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617844 13f79535-47bb-0310-9956-ffa450edef68