http://git-wip-us.apache.org/repos/asf/hive/blob/3bbc24d2/ql/src/test/results/clientpositive/llap/auto_smb_mapjoin_14.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/auto_smb_mapjoin_14.q.out 
b/ql/src/test/results/clientpositive/llap/auto_smb_mapjoin_14.q.out
index 80a74fb..014f720 100644
--- a/ql/src/test/results/clientpositive/llap/auto_smb_mapjoin_14.q.out
+++ b/ql/src/test/results/clientpositive/llap/auto_smb_mapjoin_14.q.out
@@ -64,40 +64,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 128 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -107,10 +107,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -174,25 +174,25 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -200,17 +200,17 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                         outputColumnNames: _col0
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 64 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           keys: _col0 (type: int)
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 6 Data size: 24 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             key expressions: _col0 (type: int)
                             sort order: +
                             Map-reduce partition columns: _col0 (type: int)
-                            Statistics: Num rows: 11 Data size: 44 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 6 Data size: 24 Basic stats: 
COMPLETE Column stats: COMPLETE
             Execution mode: llap
         Reducer 2 
             Execution mode: llap
@@ -219,17 +219,17 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Select Operator
-                  Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Group By Operator
                     aggregations: count()
                     mode: hash
                     outputColumnNames: _col0
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                     Reduce Output Operator
                       sort order: 
-                      Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                       value expressions: _col0 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -238,10 +238,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -330,25 +330,25 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -356,43 +356,43 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                         outputColumnNames: _col0
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 64 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           keys: _col0 (type: int)
                           mode: hash
                           outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 6 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             key expressions: _col0 (type: int)
                             sort order: +
                             Map-reduce partition columns: _col0 (type: int)
-                            Statistics: Num rows: 11 Data size: 44 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 6 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col1 (type: bigint)
             Execution mode: llap
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -400,18 +400,18 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                         outputColumnNames: _col0
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 64 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           keys: _col0 (type: int)
                           mode: hash
                           outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 6 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             key expressions: _col0 (type: int)
                             sort order: +
                             Map-reduce partition columns: _col0 (type: int)
-                            Statistics: Num rows: 11 Data size: 44 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 6 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col1 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -422,12 +422,12 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 6 Data size: 72 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: int)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: int)
-                  Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 72 Basic stats: COMPLETE 
Column stats: COMPLETE
                   value expressions: _col1 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -439,14 +439,14 @@ STAGE PLANS:
                   0 _col0 (type: int)
                   1 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col3
-                Statistics: Num rows: 5 Data size: 22 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 6 Data size: 120 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Select Operator
                   expressions: _col0 (type: int), _col3 (type: bigint), _col1 
(type: bigint)
                   outputColumnNames: _col0, _col1, _col2
-                  Statistics: Num rows: 5 Data size: 22 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 120 Basic stats: COMPLETE 
Column stats: COMPLETE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 5 Data size: 22 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 Data size: 120 Basic stats: 
COMPLETE Column stats: COMPLETE
                     table:
                         input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -459,12 +459,12 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 6 Data size: 72 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: int)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: int)
-                  Statistics: Num rows: 5 Data size: 20 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 72 Basic stats: COMPLETE 
Column stats: COMPLETE
                   value expressions: _col1 (type: bigint)
 
   Stage: Stage-0
@@ -547,40 +547,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -590,10 +590,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -664,40 +664,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -707,10 +707,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -805,40 +805,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -848,10 +848,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -934,40 +934,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 8) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 8) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -977,10 +977,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1042,38 +1042,38 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: (key + 1) (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Execution mode: llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: (key + 1) (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 2 
@@ -1085,15 +1085,15 @@ STAGE PLANS:
                 keys:
                   0 _col0 (type: int)
                   1 _col0 (type: int)
-                Statistics: Num rows: 11 Data size: 44 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 16 Data size: 128 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Group By Operator
                   aggregations: count()
                   mode: hash
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Reduce Output Operator
                     sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                     value expressions: _col0 (type: bigint)
         Reducer 3 
             Execution mode: llap
@@ -1102,10 +1102,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1162,40 +1162,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -1205,10 +1205,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1271,36 +1271,36 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -1309,15 +1309,15 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                           2 _col0 (type: int)
-                        Statistics: Num rows: 22 Data size: 88 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 6 Data size: 48 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -1327,10 +1327,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1409,40 +1409,40 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 4 Data size: 32 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -1452,10 +1452,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1540,30 +1540,34 @@ STAGE PLANS:
   Stage: Stage-2
     Tez
 #### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE)
+        Reducer 3 <- Map 1 (CUSTOM_SIMPLE_EDGE)
+#### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -1571,32 +1575,88 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                         outputColumnNames: _col0, _col1, _col3
-                        Statistics: Num rows: 11 Data size: 2068 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 2912 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Select Operator
                           expressions: _col0 (type: int), _col1 (type: 
string), _col3 (type: string)
                           outputColumnNames: _col0, _col1, _col2
-                          Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 16 Data size: 2912 Basic 
stats: COMPLETE Column stats: COMPLETE
                           Select Operator
                             expressions: _col0 (type: int), _col1 (type: 
string)
                             outputColumnNames: _col0, _col1
-                            Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
                             File Output Operator
                               compressed: false
-                              Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                              Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
                               table:
                                   input format: 
org.apache.hadoop.mapred.TextInputFormat
                                   output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                                   serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
                                   name: default.dest1
+                            Select Operator
+                              expressions: _col0 (type: int), _col1 (type: 
string)
+                              outputColumnNames: key, value
+                              Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
+                              Group By Operator
+                                aggregations: compute_stats(key, 'hll'), 
compute_stats(value, 'hll')
+                                mode: hash
+                                outputColumnNames: _col0, _col1
+                                Statistics: Num rows: 1 Data size: 864 Basic 
stats: COMPLETE Column stats: COMPLETE
+                                Reduce Output Operator
+                                  sort order: 
+                                  Statistics: Num rows: 1 Data size: 864 Basic 
stats: COMPLETE Column stats: COMPLETE
+                                  value expressions: _col0 (type: 
struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>),
 _col1 (type: 
struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
                           File Output Operator
                             compressed: false
-                            Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 16 Data size: 2912 Basic 
stats: COMPLETE Column stats: COMPLETE
                             table:
                                 input format: 
org.apache.hadoop.mapred.TextInputFormat
                                 output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                                 serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
                                 name: default.dest2
+                          Select Operator
+                            expressions: _col0 (type: int), _col1 (type: 
string), _col2 (type: string)
+                            outputColumnNames: key, val1, val2
+                            Statistics: Num rows: 16 Data size: 2912 Basic 
stats: COMPLETE Column stats: COMPLETE
+                            Group By Operator
+                              aggregations: compute_stats(key, 'hll'), 
compute_stats(val1, 'hll'), compute_stats(val2, 'hll')
+                              mode: hash
+                              outputColumnNames: _col0, _col1, _col2
+                              Statistics: Num rows: 1 Data size: 1304 Basic 
stats: COMPLETE Column stats: COMPLETE
+                              Reduce Output Operator
+                                sort order: 
+                                Statistics: Num rows: 1 Data size: 1304 Basic 
stats: COMPLETE Column stats: COMPLETE
+                                value expressions: _col0 (type: 
struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>),
 _col1 (type: 
struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>),
 _col2 (type: 
struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: compute_stats(VALUE._col0), 
compute_stats(VALUE._col1)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 3 
             Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: compute_stats(VALUE._col0), 
compute_stats(VALUE._col1), compute_stats(VALUE._col2)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1, _col2
+                Statistics: Num rows: 1 Data size: 1320 Basic stats: COMPLETE 
Column stats: COMPLETE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 1320 Basic stats: 
COMPLETE Column stats: COMPLETE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
 
   Stage: Stage-3
     Dependency Collection
@@ -1614,6 +1674,10 @@ STAGE PLANS:
   Stage: Stage-4
     Stats Work
       Basic Stats Work:
+      Column Stats Desc:
+          Columns: key, value
+          Column Types: int, string
+          Table: default.dest1
 
   Stage: Stage-1
     Move Operator
@@ -1628,6 +1692,10 @@ STAGE PLANS:
   Stage: Stage-5
     Stats Work
       Basic Stats Work:
+      Column Stats Desc:
+          Columns: key, val1, val2
+          Column Types: int, string, string
+          Table: default.dest2
 
 PREHOOK: query: from (
   select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 
b on a.key = b.key
@@ -1757,32 +1825,34 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE)
+        Reducer 3 <- Map 1 (SIMPLE_EDGE)
+        Reducer 4 <- Reducer 3 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 1880 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 10 Data size: 930 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Merge Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -1790,53 +1860,109 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                         outputColumnNames: _col0, _col1
-                        Statistics: Num rows: 11 Data size: 2068 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 16 Data size: 1488 Basic stats: 
COMPLETE Column stats: COMPLETE
                         File Output Operator
                           compressed: false
-                          Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
                           table:
                               input format: 
org.apache.hadoop.mapred.TextInputFormat
                               output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                               serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
                               name: default.dest1
                         Select Operator
+                          expressions: _col0 (type: int), _col1 (type: string)
+                          outputColumnNames: key, value
+                          Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
+                          Group By Operator
+                            aggregations: compute_stats(key, 'hll'), 
compute_stats(value, 'hll')
+                            mode: hash
+                            outputColumnNames: _col0, _col1
+                            Statistics: Num rows: 1 Data size: 864 Basic 
stats: COMPLETE Column stats: COMPLETE
+                            Reduce Output Operator
+                              sort order: 
+                              Statistics: Num rows: 1 Data size: 864 Basic 
stats: COMPLETE Column stats: COMPLETE
+                              value expressions: _col0 (type: 
struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>),
 _col1 (type: 
struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
+                        Select Operator
                           expressions: _col0 (type: int)
                           outputColumnNames: _col0
-                          Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 16 Data size: 1488 Basic 
stats: COMPLETE Column stats: COMPLETE
                           Group By Operator
                             aggregations: count()
                             keys: _col0 (type: int)
                             mode: hash
                             outputColumnNames: _col0, _col1
-                            Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 6 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                             Reduce Output Operator
                               key expressions: _col0 (type: int)
                               sort order: +
                               Map-reduce partition columns: _col0 (type: int)
-                              Statistics: Num rows: 11 Data size: 2068 Basic 
stats: COMPLETE Column stats: NONE
+                              Statistics: Num rows: 6 Data size: 72 Basic 
stats: COMPLETE Column stats: COMPLETE
                               value expressions: _col1 (type: bigint)
             Execution mode: llap
         Reducer 2 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
+                aggregations: compute_stats(VALUE._col0), 
compute_stats(VALUE._col1)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: count(VALUE._col0)
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 5 Data size: 940 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 6 Data size: 72 Basic stats: COMPLETE 
Column stats: COMPLETE
                 Select Operator
                   expressions: _col0 (type: int), UDFToInteger(_col1) (type: 
int)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 5 Data size: 940 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 48 Basic stats: COMPLETE 
Column stats: COMPLETE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 5 Data size: 940 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 Data size: 48 Basic stats: 
COMPLETE Column stats: COMPLETE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                         serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
                         name: default.dest2
+                  Select Operator
+                    expressions: _col0 (type: int), _col1 (type: int)
+                    outputColumnNames: key, cnt
+                    Statistics: Num rows: 6 Data size: 48 Basic stats: 
COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: compute_stats(key, 'hll'), 
compute_stats(cnt, 'hll')
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1 Data size: 848 Basic stats: 
COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 848 Basic stats: 
COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: 
struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>),
 _col1 (type: 
struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>)
+        Reducer 4 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: compute_stats(VALUE._col0), 
compute_stats(VALUE._col1)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
 
   Stage: Stage-3
     Dependency Collection
@@ -1854,6 +1980,10 @@ STAGE PLANS:
   Stage: Stage-4
     Stats Work
       Basic Stats Work:
+      Column Stats Desc:
+          Columns: key, value
+          Column Types: int, string
+          Table: default.dest1
 
   Stage: Stage-1
     Move Operator
@@ -1868,6 +1998,10 @@ STAGE PLANS:
   Stage: Stage-5
     Stats Work
       Basic Stats Work:
+      Column Stats Desc:
+          Columns: key, cnt
+          Column Types: int, int
+          Table: default.dest2
 
 PREHOOK: query: from (
   select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 
b on a.key = b.key

http://git-wip-us.apache.org/repos/asf/hive/blob/3bbc24d2/ql/src/test/results/clientpositive/llap/auto_sortmerge_join_10.q.out
----------------------------------------------------------------------
diff --git 
a/ql/src/test/results/clientpositive/llap/auto_sortmerge_join_10.q.out 
b/ql/src/test/results/clientpositive/llap/auto_sortmerge_join_10.q.out
index b8f10fe..c1459d5 100644
--- a/ql/src/test/results/clientpositive/llap/auto_sortmerge_join_10.q.out
+++ b/ql/src/test/results/clientpositive/llap/auto_sortmerge_join_10.q.out
@@ -80,14 +80,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -96,15 +96,15 @@ STAGE PLANS:
                           1 _col0 (type: int)
                         input vertices:
                           1 Map 5
-                        Statistics: Num rows: 22 Data size: 88 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 9 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
@@ -112,14 +112,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -128,15 +128,15 @@ STAGE PLANS:
                           1 _col0 (type: int)
                         input vertices:
                           1 Map 5
-                        Statistics: Num rows: 22 Data size: 88 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 9 Data size: 72 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
@@ -144,24 +144,24 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
             Execution mode: llap
             LLAP IO: no inputs
         Reducer 3 
@@ -171,10 +171,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -248,34 +248,34 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Group By Operator
                       keys: key (type: int)
                       mode: final
                       outputColumnNames: _col0
-                      Statistics: Num rows: 5 Data size: 20 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 2 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 5 Data size: 20 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 2 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
             Execution mode: llap
             LLAP IO: no inputs
         Map 2 
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 40 Basic stats: COMPLETE 
Column stats: COMPLETE
                   Filter Operator
                     predicate: (key < 6) (type: boolean)
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                     Select Operator
                       expressions: key (type: int)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 3 Data size: 12 Basic stats: 
COMPLETE Column stats: COMPLETE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -284,15 +284,15 @@ STAGE PLANS:
                           1 _col0 (type: int)
                         input vertices:
                           0 Map 1
-                        Statistics: Num rows: 11 Data size: 44 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 3 Data size: 24 Basic stats: 
COMPLETE Column stats: COMPLETE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                           Reduce Output Operator
                             sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: COMPLETE
                             value expressions: _col0 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
@@ -303,10 +303,10 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat

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