http://git-wip-us.apache.org/repos/asf/hive/blob/8f7c5788/ql/src/test/results/clientpositive/llap/correlationoptimizer4.q.out
----------------------------------------------------------------------
diff --git 
a/ql/src/test/results/clientpositive/llap/correlationoptimizer4.q.out 
b/ql/src/test/results/clientpositive/llap/correlationoptimizer4.q.out
index 0f8ce65..edf8506 100644
--- a/ql/src/test/results/clientpositive/llap/correlationoptimizer4.q.out
+++ b/ql/src/test/results/clientpositive/llap/correlationoptimizer4.q.out
@@ -76,57 +76,57 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -141,18 +141,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -162,11 +162,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -247,57 +247,57 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -312,18 +312,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -333,11 +333,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -418,14 +418,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -438,18 +438,18 @@ STAGE PLANS:
                         input vertices:
                           1 Map 4
                           2 Map 5
-                        Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           keys: _col1 (type: int)
                           mode: hash
                           outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                           Reduce Output Operator
                             key expressions: _col0 (type: int)
                             sort order: +
                             Map-reduce partition columns: _col0 (type: int)
-                            Statistics: Num rows: 15 Data size: 66 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 15 Data size: 61 Basic 
stats: COMPLETE Column stats: NONE
                             value expressions: _col1 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
@@ -457,38 +457,38 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -499,11 +499,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -584,48 +584,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -640,18 +640,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col0 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -661,11 +661,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -746,48 +746,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -802,18 +802,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col0 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -823,11 +823,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -908,48 +908,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -964,18 +964,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -985,11 +985,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -1070,48 +1070,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1126,18 +1126,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col2
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col2 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1147,11 +1147,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -1232,48 +1232,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1288,18 +1288,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col2
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col2 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1309,11 +1309,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -1394,48 +1394,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1450,18 +1450,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1471,11 +1471,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -1556,48 +1556,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1612,18 +1612,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1633,11 +1633,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash
@@ -1718,48 +1718,48 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: x
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: y
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: z
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int)
                     outputColumnNames: _col0
-                    Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 7 Data size: 30 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 28 Basic stats: 
COMPLETE Column stats: NONE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1774,18 +1774,18 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col1
-                Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                 Group By Operator
                   aggregations: count()
                   keys: _col1 (type: int)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 15 Data size: 66 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 61 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col0 (type: int)
                     sort order: +
                     Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 15 Data size: 66 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 61 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1795,11 +1795,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 28 Basic stats: COMPLETE 
Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1)
                     mode: hash

Reply via email to