HIVE-4637 : Fix VectorUDAFSum.txt to honor the expected vector column type (Remus Rusanu via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/vectorization@1489554 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4651 : TestVectorGroupByOperator causes asserts in StandardStructObjectInspector.init (Remus Rusanu via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/vectorization@1489555 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4655 : Vectorization not working with negative constants, hive doesn't fold constants. (Jitendra Nath Pandey via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/vectorization@1489562 13f79535-47bb-0310-9956-ffa450edef68