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From mmccl...@apache.org
Subject [2/7] hive git commit: HIVE-16557: Vectorization: Specialize ReduceSink empty key case (Matt McCline, reviewed by Gopal Vijayaraghavan)
Date Thu, 11 May 2017 18:10:26 GMT
http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorization_0.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorization_0.q.out b/ql/src/test/results/clientpositive/llap/vectorization_0.q.out
index 73fb9b1..b44e749 100644
--- a/ql/src/test/results/clientpositive/llap/vectorization_0.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorization_0.q.out
@@ -61,7 +61,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: COMPLETE
@@ -217,7 +217,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -518,7 +518,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 32 Basic stats: COMPLETE Column stats: COMPLETE
@@ -674,7 +674,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -975,7 +975,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: COMPLETE
@@ -1131,7 +1131,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorization_limit.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorization_limit.q.out b/ql/src/test/results/clientpositive/llap/vectorization_limit.q.out
index 5701676..99d84fe 100644
--- a/ql/src/test/results/clientpositive/llap/vectorization_limit.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorization_limit.q.out
@@ -121,8 +121,10 @@ STAGE PLANS:
                         sort order: ++
                         Reduce Sink Vectorization:
                             className: VectorReduceSinkObjectHashOperator
+                            keyColumns: [0, 5]
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                            valueColumns: [1]
                         Statistics: Num rows: 9173 Data size: 109584 Basic stats: COMPLETE Column stats: COMPLETE
                         TopN Hash Memory Usage: 0.3
                         value expressions: _col2 (type: smallint)
@@ -406,8 +408,10 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: tinyint)
                         Reduce Sink Vectorization:
                             className: VectorReduceSinkLongOperator
+                            keyColumns: [0]
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                            valueColumns: []
                         Statistics: Num rows: 95 Data size: 288 Basic stats: COMPLETE Column stats: COMPLETE
                         TopN Hash Memory Usage: 0.3
             Execution mode: vectorized, llap
@@ -558,8 +562,11 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: tinyint)
                         Reduce Sink Vectorization:
                             className: VectorReduceSinkObjectHashOperator
+                            keyColumns: [0, 1]
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                            partitionColumns: [0]
+                            valueColumns: []
                         Statistics: Num rows: 6144 Data size: 55052 Basic stats: COMPLETE Column stats: COMPLETE
             Execution mode: vectorized, llap
             LLAP IO: all inputs
@@ -752,8 +759,10 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: double)
                         Reduce Sink Vectorization:
                             className: VectorReduceSinkMultiKeyOperator
+                            keyColumns: [0]
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                            valueColumns: [1]
                         Statistics: Num rows: 3185 Data size: 44512 Basic stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: bigint)
             Execution mode: vectorized, llap
@@ -805,8 +814,10 @@ STAGE PLANS:
                   sort order: ++
                   Reduce Sink Vectorization:
                       className: VectorReduceSinkObjectHashOperator
+                      keyColumns: [1, 0]
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                      valueColumns: []
                   Statistics: Num rows: 3185 Data size: 44512 Basic stats: COMPLETE Column stats: COMPLETE
                   TopN Hash Memory Usage: 0.3
         Reducer 3 

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorization_short_regress.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorization_short_regress.q.out b/ql/src/test/results/clientpositive/llap/vectorization_short_regress.q.out
index c141e36..465f4ea 100644
--- a/ql/src/test/results/clientpositive/llap/vectorization_short_regress.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorization_short_regress.q.out
@@ -3280,7 +3280,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -3394,7 +3394,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3580,7 +3580,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -3694,7 +3694,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3808,7 +3808,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3922,7 +3922,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -4036,7 +4036,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -4150,7 +4150,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_case.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_case.q.out b/ql/src/test/results/clientpositive/llap/vectorized_case.q.out
index ab75515..beda526 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_case.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_case.q.out
@@ -299,7 +299,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: COMPLETE
@@ -426,7 +426,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: COMPLETE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_date_funcs.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_date_funcs.q.out b/ql/src/test/results/clientpositive/llap/vectorized_date_funcs.q.out
index 952c82a..59badfb 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_date_funcs.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_date_funcs.q.out
@@ -1270,7 +1270,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 128 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_dynamic_semijoin_reduction.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_dynamic_semijoin_reduction.q.out b/ql/src/test/results/clientpositive/llap/vectorized_dynamic_semijoin_reduction.q.out
index 8f83ee2..c9e3e60 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_dynamic_semijoin_reduction.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_dynamic_semijoin_reduction.q.out
@@ -145,7 +145,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -238,7 +238,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -382,7 +382,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -475,7 +475,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -619,7 +619,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -712,7 +712,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -857,7 +857,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -927,7 +927,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1022,7 +1022,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1051,7 +1051,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1196,7 +1196,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -1223,7 +1223,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1316,7 +1316,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 552 Basic stats: COMPLETE Column stats: NONE
@@ -1345,7 +1345,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1489,7 +1489,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE
@@ -1582,7 +1582,7 @@ STAGE PLANS:
                 Reduce Output Operator
                   sort order: 
                   Reduce Sink Vectorization:
-                      className: VectorReduceSinkObjectHashOperator
+                      className: VectorReduceSinkEmptyKeyOperator
                       native: true
                       nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                   Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_mapjoin2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_mapjoin2.q.out b/ql/src/test/results/clientpositive/llap/vectorized_mapjoin2.q.out
index b96dace..2769e66 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_mapjoin2.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_mapjoin2.q.out
@@ -101,7 +101,7 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                             Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_ptf.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_ptf.q.out b/ql/src/test/results/clientpositive/llap/vectorized_ptf.q.out
index 6086e03..5c849f6 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_ptf.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_ptf.q.out
@@ -155,8 +155,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -371,8 +374,10 @@ STAGE PLANS:
                       Map-reduce partition columns: p_partkey (type: int)
                       Reduce Sink Vectorization:
                           className: VectorReduceSinkLongOperator
+                          keyColumns: [0]
                           native: true
                           nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                          valueColumns: [1, 2, 5]
                       Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                       value expressions: p_name (type: string), p_mfgr (type: string), p_size (type: int)
             Execution mode: vectorized, llap
@@ -411,8 +416,10 @@ STAGE PLANS:
                       Map-reduce partition columns: p_partkey (type: int)
                       Reduce Sink Vectorization:
                           className: VectorReduceSinkLongOperator
+                          keyColumns: [0]
                           native: true
                           nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                          valueColumns: []
                       Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
             Execution mode: vectorized, llap
             LLAP IO: all inputs
@@ -615,8 +622,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -769,8 +779,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -983,8 +996,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -1200,8 +1216,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -1419,8 +1438,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [0, 3, 4, 5, 6, 7, 8]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_partkey (type: int), p_brand (type: string), p_type (type: string), p_size (type: int), p_container (type: string), p_retailprice (type: double), p_comment (type: string)
             Execution mode: vectorized, llap
@@ -1459,8 +1481,10 @@ STAGE PLANS:
                       Map-reduce partition columns: p_partkey (type: int)
                       Reduce Sink Vectorization:
                           className: VectorReduceSinkLongOperator
+                          keyColumns: [0]
                           native: true
                           nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                          valueColumns: []
                       Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
             Execution mode: vectorized, llap
             LLAP IO: all inputs
@@ -1633,8 +1657,10 @@ STAGE PLANS:
                       Map-reduce partition columns: p_partkey (type: int)
                       Reduce Sink Vectorization:
                           className: VectorReduceSinkLongOperator
+                          keyColumns: [0]
                           native: true
                           nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                          valueColumns: []
                       Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
             Execution mode: vectorized, llap
             LLAP IO: all inputs
@@ -1665,8 +1691,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [0, 3, 4, 5, 6, 7, 8]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_partkey (type: int), p_brand (type: string), p_type (type: string), p_size (type: int), p_container (type: string), p_retailprice (type: double), p_comment (type: string)
             Execution mode: vectorized, llap
@@ -2244,8 +2273,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -2457,8 +2489,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -2740,8 +2775,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -2957,8 +2995,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [0, 5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_partkey (type: int), p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -2997,8 +3038,10 @@ STAGE PLANS:
                       Map-reduce partition columns: p_partkey (type: int)
                       Reduce Sink Vectorization:
                           className: VectorReduceSinkLongOperator
+                          keyColumns: [0]
                           native: true
                           nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                          valueColumns: []
                       Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
             Execution mode: vectorized, llap
             LLAP IO: all inputs
@@ -3241,8 +3284,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -3472,8 +3518,11 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Reduce Sink Vectorization:
                             className: VectorReduceSinkObjectHashOperator
+                            keyColumns: [0, 1]
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                            partitionColumns: [0]
+                            valueColumns: [2]
                         Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col2 (type: double)
             Execution mode: vectorized, llap
@@ -3728,8 +3777,11 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkObjectHashOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        partitionColumns: [2]
+                        valueColumns: [5, 7]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int), p_retailprice (type: double)
             Execution mode: vectorized, llap
@@ -4164,8 +4216,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkStringOperator
+                        keyColumns: [2]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [1, 5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_name (type: string), p_size (type: int)
             Execution mode: vectorized, llap
@@ -4478,8 +4532,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkStringOperator
+                        keyColumns: [2]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [1, 5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_name (type: string), p_size (type: int)
             Execution mode: vectorized, llap
@@ -4788,8 +4844,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string), p_name (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkMultiKeyOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -5074,8 +5132,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string), p_name (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkMultiKeyOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -5403,8 +5463,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string), p_name (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkMultiKeyOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap
@@ -5701,8 +5763,10 @@ STAGE PLANS:
                     Map-reduce partition columns: p_mfgr (type: string), p_name (type: string)
                     Reduce Sink Vectorization:
                         className: VectorReduceSinkMultiKeyOperator
+                        keyColumns: [2, 1]
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                        valueColumns: [5]
                     Statistics: Num rows: 26 Data size: 16042 Basic stats: COMPLETE Column stats: NONE
                     value expressions: p_size (type: int)
             Execution mode: vectorized, llap

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/llap/vectorized_timestamp_funcs.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/vectorized_timestamp_funcs.q.out b/ql/src/test/results/clientpositive/llap/vectorized_timestamp_funcs.q.out
index 5c36a4a..e326f5f 100644
--- a/ql/src/test/results/clientpositive/llap/vectorized_timestamp_funcs.q.out
+++ b/ql/src/test/results/clientpositive/llap/vectorized_timestamp_funcs.q.out
@@ -818,7 +818,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine tez IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vector_between_in.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vector_between_in.q.out b/ql/src/test/results/clientpositive/spark/vector_between_in.q.out
index fa4b51f..9329ba7 100644
--- a/ql/src/test/results/clientpositive/spark/vector_between_in.q.out
+++ b/ql/src/test/results/clientpositive/spark/vector_between_in.q.out
@@ -160,7 +160,7 @@ STAGE PLANS:
                         Reduce Output Operator
                           sort order: 
                           Reduce Sink Vectorization:
-                              className: VectorReduceSinkObjectHashOperator
+                              className: VectorReduceSinkEmptyKeyOperator
                               native: true
                               nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                           Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -360,7 +360,7 @@ STAGE PLANS:
                         Reduce Output Operator
                           sort order: 
                           Reduce Sink Vectorization:
-                              className: VectorReduceSinkObjectHashOperator
+                              className: VectorReduceSinkEmptyKeyOperator
                               native: true
                               nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                           Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -748,7 +748,7 @@ STAGE PLANS:
                         Reduce Output Operator
                           sort order: 
                           Reduce Sink Vectorization:
-                              className: VectorReduceSinkObjectHashOperator
+                              className: VectorReduceSinkEmptyKeyOperator
                               native: true
                               nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                           Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vector_count_distinct.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vector_count_distinct.q.out b/ql/src/test/results/clientpositive/spark/vector_count_distinct.q.out
index ae46718..b663831 100644
--- a/ql/src/test/results/clientpositive/spark/vector_count_distinct.q.out
+++ b/ql/src/test/results/clientpositive/spark/vector_count_distinct.q.out
@@ -1327,7 +1327,7 @@ STAGE PLANS:
                   Reduce Output Operator
                     sort order: 
                     Reduce Sink Vectorization:
-                        className: VectorReduceSinkObjectHashOperator
+                        className: VectorReduceSinkEmptyKeyOperator
                         native: true
                         nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                     Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vector_outer_join1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vector_outer_join1.q.out b/ql/src/test/results/clientpositive/spark/vector_outer_join1.q.out
index b9ec98a..88f7796 100644
--- a/ql/src/test/results/clientpositive/spark/vector_outer_join1.q.out
+++ b/ql/src/test/results/clientpositive/spark/vector_outer_join1.q.out
@@ -826,9 +826,11 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
+                                keyColumns: []
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                                valueColumns: [0, 1]
                             Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint), _col1 (type: bigint)
             Execution mode: vectorized

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vector_outer_join2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vector_outer_join2.q.out b/ql/src/test/results/clientpositive/spark/vector_outer_join2.q.out
index 9e17983..66ef406 100644
--- a/ql/src/test/results/clientpositive/spark/vector_outer_join2.q.out
+++ b/ql/src/test/results/clientpositive/spark/vector_outer_join2.q.out
@@ -407,9 +407,11 @@ STAGE PLANS:
                           Reduce Output Operator
                             sort order: 
                             Reduce Sink Vectorization:
-                                className: VectorReduceSinkObjectHashOperator
+                                className: VectorReduceSinkEmptyKeyOperator
+                                keyColumns: []
                                 native: true
                                 nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
+                                valueColumns: [0, 1]
                             Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint), _col1 (type: bigint)
             Execution mode: vectorized

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vectorization_0.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vectorization_0.q.out b/ql/src/test/results/clientpositive/spark/vectorization_0.q.out
index ae7e0c3..3f3c664 100644
--- a/ql/src/test/results/clientpositive/spark/vectorization_0.q.out
+++ b/ql/src/test/results/clientpositive/spark/vectorization_0.q.out
@@ -60,7 +60,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
@@ -214,7 +214,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -510,7 +510,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 32 Basic stats: COMPLETE Column stats: NONE
@@ -664,7 +664,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -960,7 +960,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
@@ -1114,7 +1114,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vectorization_short_regress.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vectorization_short_regress.q.out b/ql/src/test/results/clientpositive/spark/vectorization_short_regress.q.out
index cc0f029..2c7c57a 100644
--- a/ql/src/test/results/clientpositive/spark/vectorization_short_regress.q.out
+++ b/ql/src/test/results/clientpositive/spark/vectorization_short_regress.q.out
@@ -3247,7 +3247,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -3359,7 +3359,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3543,7 +3543,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
@@ -3655,7 +3655,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3767,7 +3767,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3879,7 +3879,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -3991,7 +3991,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -4103,7 +4103,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/6bfa2491/ql/src/test/results/clientpositive/spark/vectorized_case.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/vectorized_case.q.out b/ql/src/test/results/clientpositive/spark/vectorized_case.q.out
index 1096c90..133842d 100644
--- a/ql/src/test/results/clientpositive/spark/vectorized_case.q.out
+++ b/ql/src/test/results/clientpositive/spark/vectorized_case.q.out
@@ -296,7 +296,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
@@ -421,7 +421,7 @@ STAGE PLANS:
                       Reduce Output Operator
                         sort order: 
                         Reduce Sink Vectorization:
-                            className: VectorReduceSinkObjectHashOperator
+                            className: VectorReduceSinkEmptyKeyOperator
                             native: true
                             nativeConditionsMet: hive.vectorized.execution.reducesink.new.enabled IS true, hive.execution.engine spark IN [tez, spark] IS true, No PTF TopN IS true, No DISTINCT columns IS true, BinarySortableSerDe for keys IS true, LazyBinarySerDe for values IS true
                         Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE


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