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Posted to commits@hive.apache.org by xu...@apache.org on 2014/12/18 20:58:10 UTC

svn commit: r1646523 [4/6] - in /hive/branches/spark/ql/src: java/org/apache/hadoop/hive/ql/optimizer/ java/org/apache/hadoop/hive/ql/optimizer/spark/ java/org/apache/hadoop/hive/ql/parse/spark/ test/results/clientpositive/spark/

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/auto_sortmerge_join_9.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/auto_sortmerge_join_9.q.out?rev=1646523&r1=1646522&r2=1646523&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/auto_sortmerge_join_9.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/auto_sortmerge_join_9.q.out Thu Dec 18 19:58:10 2014
@@ -82,12 +82,15 @@ STAGE PLANS:
                       keys:
                         0 key (type: int)
                         1 key (type: int)
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         mode: hash
                         outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         Reduce Output Operator
                           sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -95,11 +98,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -171,15 +177,18 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -188,11 +197,14 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
+                Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: int), _col1 (type: bigint)
                   outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -280,15 +292,18 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -297,13 +312,17 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
+                Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
+                  Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash
                     outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       sort order: 
+                      Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col0 (type: bigint)
         Reducer 3 
             Reduce Operator Tree:
@@ -311,11 +330,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -391,19 +413,18 @@ join
 on src1.key = src2.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-2
     Spark
       Edges:
-        Reducer 2 <- Map 1 (GROUP, 3)
-        Reducer 5 <- Map 4 (GROUP, 3)
-        Reducer 3 <- Reducer 2 (PARTITION-LEVEL SORT, 3), Reducer 5 (PARTITION-LEVEL SORT, 3)
+        Reducer 4 <- Map 3 (GROUP, 3)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 3 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -421,17 +442,44 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
-        Map 4 
+        Reducer 4 
+            Local Work:
+              Map Reduce Local Work
+            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: 38 Basic stats: COMPLETE Column stats: NONE
+                Spark HashTable Sink Operator
+                  condition expressions:
+                    0 {_col0} {_col1}
+                    1 {_col1}
+                  keys:
+                    0 _col0 (type: int)
+                    1 _col0 (type: int)
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 2 <- Map 1 (GROUP, 3)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -449,58 +497,53 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
         Reducer 2 
+            Local Work:
+              Map Reduce Local Work
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Reduce Output Operator
-                  key expressions: _col0 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  value expressions: _col1 (type: bigint)
-        Reducer 3 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col3
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint)
-                  outputColumnNames: _col0, _col1, _col2
-                  File Output Operator
-                    compressed: false
-                    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
-        Reducer 5 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                keys: KEY._col0 (type: int)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Reduce Output Operator
-                  key expressions: _col0 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  value expressions: _col1 (type: bigint)
+                Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
+                Map Join Operator
+                  condition map:
+                       Inner Join 0 to 1
+                  condition expressions:
+                    0 {_col0} {_col1}
+                    1 {_col1}
+                  keys:
+                    0 _col0 (type: int)
+                    1 _col0 (type: int)
+                  outputColumnNames: _col0, _col1, _col3
+                  input vertices:
+                    1 Reducer 4
+                  Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint)
+                    outputColumnNames: _col0, _col1, _col2
+                    Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                    File Output Operator
+                      compressed: false
+                      Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                      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
 
   Stage: Stage-0
     Fetch Operator
@@ -602,12 +645,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        Statistics: Num rows: 3 Data size: 23 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -615,11 +661,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -710,12 +759,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
+                        Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -723,11 +775,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -842,12 +897,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -855,11 +913,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -964,12 +1025,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        Statistics: Num rows: 3 Data size: 23 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -977,11 +1041,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1193,12 +1260,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
+                        Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -1206,11 +1276,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1281,12 +1354,15 @@ STAGE PLANS:
                       keys:
                         0 key (type: int)
                         1 _col0 (type: int)
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         mode: hash
                         outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         Reduce Output Operator
                           sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -1294,11 +1370,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1386,12 +1465,15 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                           2 _col0 (type: int)
+                        Statistics: Num rows: 6 Data size: 46 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -1399,11 +1481,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1502,12 +1587,15 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
+                        Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -1515,11 +1603,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1575,10 +1666,33 @@ select count(*) from (
 ) subq1
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -1593,7 +1707,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -1602,24 +1716,34 @@ STAGE PLANS:
                       keys:
                         0 key (type: int)
                         1 key (type: int)
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         mode: hash
                         outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         Reduce Output Operator
                           sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1663,10 +1787,33 @@ select key, count(*) from
 group by key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key}
+                        1 
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -1681,7 +1828,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -1691,16 +1838,23 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
@@ -1708,11 +1862,14 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
+                Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: int), _col1 (type: bigint)
                   outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1771,10 +1928,33 @@ select count(*) from
 ) subq2
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key}
+                        1 
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -1790,7 +1970,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -1800,16 +1980,23 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      input vertices:
+                        1 Map 4
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
@@ -1817,13 +2004,17 @@ STAGE PLANS:
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
+                Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
+                  Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash
                     outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       sort order: 
+                      Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col0 (type: bigint)
         Reducer 3 
             Reduce Operator Tree:
@@ -1831,11 +2022,14 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1911,19 +2105,42 @@ join
 on src1.key = src2.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-2 depends on stages: Stage-3
+  Stage-4 depends on stages: Stage-2
+  Stage-1 depends on stages: Stage-4
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key}
+                        1 
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-2
     Spark
       Edges:
-        Reducer 2 <- Map 1 (GROUP, 3)
         Reducer 5 <- Map 4 (GROUP, 3)
-        Reducer 3 <- Reducer 2 (PARTITION-LEVEL SORT, 3), Reducer 5 (PARTITION-LEVEL SORT, 3)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 4 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -1931,7 +2148,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -1941,17 +2158,70 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      input vertices:
+                        1 Map 6
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
-        Map 4 
+            Local Work:
+              Map Reduce Local Work
+        Reducer 5 
+            Local Work:
+              Map Reduce Local Work
+            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: 38 Basic stats: COMPLETE Column stats: NONE
+                Spark HashTable Sink Operator
+                  condition expressions:
+                    0 {_col0} {_col1}
+                    1 {_col1}
+                  keys:
+                    0 _col0 (type: int)
+                    1 _col0 (type: int)
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key}
+                        1 
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 2 <- Map 1 (GROUP, 3)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -1959,7 +2229,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -1969,58 +2239,57 @@ STAGE PLANS:
                         0 key (type: int)
                         1 key (type: int)
                       outputColumnNames: _col0
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         keys: _col0 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 5 Data size: 38 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: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
+            Local Work:
+              Map Reduce Local Work
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Reduce Output Operator
-                  key expressions: _col0 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  value expressions: _col1 (type: bigint)
-        Reducer 3 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col3
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint)
-                  outputColumnNames: _col0, _col1, _col2
-                  File Output Operator
-                    compressed: false
-                    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
-        Reducer 5 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                keys: KEY._col0 (type: int)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Reduce Output Operator
-                  key expressions: _col0 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  value expressions: _col1 (type: bigint)
+                Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
+                Map Join Operator
+                  condition map:
+                       Inner Join 0 to 1
+                  condition expressions:
+                    0 {_col0} {_col1}
+                    1 {_col1}
+                  keys:
+                    0 _col0 (type: int)
+                    1 _col0 (type: int)
+                  outputColumnNames: _col0, _col1, _col3
+                  input vertices:
+                    1 Reducer 5
+                  Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint)
+                    outputColumnNames: _col0, _col1, _col2
+                    Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                    File Output Operator
+                      compressed: false
+                      Statistics: Num rows: 5 Data size: 41 Basic stats: COMPLETE Column stats: NONE
+                      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
 
   Stage: Stage-0
     Fetch Operator
@@ -2091,10 +2360,37 @@ select count(*) from
   on subq1.key = subq2.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 6) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                        keys:
+                          0 _col0 (type: int)
+                          1 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -2113,7 +2409,7 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
+                      Map Join Operator
                         condition map:
                              Inner Join 0 to 1
                         condition expressions:
@@ -2122,24 +2418,34 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        input vertices:
+                          1 Map 3
+                        Statistics: Num rows: 3 Data size: 23 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2199,14 +2505,13 @@ select count(*) from
   on subq2.key = b.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-2
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -2221,33 +2526,67 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
+                      Spark HashTable Sink Operator
                         condition expressions:
                           0 
                           1 
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
-                        Group By Operator
-                          aggregations: count()
-                          mode: hash
-                          outputColumnNames: _col0
-                          Reduce Output Operator
-                            sort order: 
-                            value expressions: _col0 (type: bigint)
-        Reducer 2 
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 3 <- Map 2 (GROUP, 1)
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 _col0 (type: int)
+                        1 key (type: int)
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count()
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2331,10 +2670,37 @@ select count(*) from
   on subq2.key = subq4.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                        keys:
+                          0 _col0 (type: int)
+                          1 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -2353,7 +2719,7 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
+                      Map Join Operator
                         condition map:
                              Inner Join 0 to 1
                         condition expressions:
@@ -2362,24 +2728,34 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        input vertices:
+                          1 Map 3
+                        Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2453,10 +2829,37 @@ select count(*) from
   on subq1.key = subq2.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 8) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                        keys:
+                          0 _col0 (type: int)
+                          1 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -2475,7 +2878,7 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
+                      Map Join Operator
                         condition map:
                              Inner Join 0 to 1
                         condition expressions:
@@ -2484,24 +2887,34 @@ STAGE PLANS:
                         keys:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
+                        input vertices:
+                          1 Map 3
+                        Statistics: Num rows: 3 Data size: 23 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2547,14 +2960,13 @@ select count(*) from
     join tbl2 a on subq1.key = a.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-2
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -2569,33 +2981,67 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
+                      Spark HashTable Sink Operator
                         condition expressions:
                           0 
                           1 
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
-                        Group By Operator
-                          aggregations: count()
-                          mode: hash
-                          outputColumnNames: _col0
-                          Reduce Output Operator
-                            sort order: 
-                            value expressions: _col0 (type: bigint)
-        Reducer 2 
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 3 <- Map 2 (GROUP, 1)
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 _col0 (type: int)
+                        1 key (type: int)
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count()
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2639,17 +3085,44 @@ select count(*) from tbl1 a
   on a.key = subq1.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 6) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                        keys:
+                          0 key (type: int)
+                          1 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
+        Reducer 3 <- Map 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 2 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -2657,7 +3130,7 @@ STAGE PLANS:
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
-                    Sorted Merge Bucket Map Join Operator
+                    Map Join Operator
                       condition map:
                            Inner Join 0 to 1
                       condition expressions:
@@ -2666,24 +3139,34 @@ STAGE PLANS:
                       keys:
                         0 key (type: int)
                         1 _col0 (type: int)
+                      input vertices:
+                        1 Map 1
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         aggregations: count()
                         mode: hash
                         outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         Reduce Output Operator
                           sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col0 (type: bigint)
-        Reducer 2 
+            Local Work:
+              Map Reduce Local Work
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2737,10 +3220,62 @@ select count(*) from
   on (subq1.key = subq3.key)
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
+  Stage: Stage-2
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 6) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                          2 
+                        keys:
+                          0 _col0 (type: int)
+                          1 _col0 (type: int)
+                          2 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 6) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      Spark HashTable Sink Operator
+                        condition expressions:
+                          0 
+                          1 
+                          2 
+                        keys:
+                          0 _col0 (type: int)
+                          1 _col0 (type: int)
+                          2 _col0 (type: int)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-1
     Spark
       Edges:
@@ -2759,7 +3294,7 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
+                      Map Join Operator
                         condition map:
                              Inner Join 0 to 1
                              Inner Join 0 to 2
@@ -2771,24 +3306,35 @@ STAGE PLANS:
                           0 _col0 (type: int)
                           1 _col0 (type: int)
                           2 _col0 (type: int)
+                        input vertices:
+                          1 Map 3
+                          2 Map 4
+                        Statistics: Num rows: 6 Data size: 46 Basic stats: COMPLETE Column stats: NONE
                         Group By Operator
                           aggregations: count()
                           mode: hash
                           outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                           Reduce Output Operator
                             sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                             value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 2 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2856,14 +3402,13 @@ join tbl2 b
 on subq2.key = b.key) a
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-2 is a root stage
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-2
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -2878,33 +3423,67 @@ STAGE PLANS:
                       expressions: key (type: int)
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE
-                      Sorted Merge Bucket Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
+                      Spark HashTable Sink Operator
                         condition expressions:
                           0 
                           1 
                         keys:
                           0 _col0 (type: int)
                           1 key (type: int)
-                        Group By Operator
-                          aggregations: count()
-                          mode: hash
-                          outputColumnNames: _col0
-                          Reduce Output Operator
-                            sort order: 
-                            value expressions: _col0 (type: bigint)
-        Reducer 2 
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 3 <- Map 2 (GROUP, 1)
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 _col0 (type: int)
+                        1 key (type: int)
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count()
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: bigint)
                   outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat