HIVE-6011: correlation optimizer unit tests are failing on tez (Ashutosh Chauhan via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1550325 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6014: Stage ids differ in the tez branch (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1550326 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6019: Tez: Analyze command fails with dbclass=counter (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1550347 13f79535-47bb-0310-9956-ffa450edef68