HIVE-6511: Casting from decimal to tinyint,smallint, int and bigint generates different result when vectorization is on (jitendra)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1575726 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6531 : Runtime errors in vectorized execution (jitendra)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1575727 13f79535-47bb-0310-9956-ffa450edef68