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From prasan...@apache.org
Subject [5/6] hive git commit: Revert "HIVE-16330 : Improve plans for scalar subquery with aggregates (Vineet Garg via Ashutosh Chauhan)"
Date Wed, 10 May 2017 06:08:44 GMT
http://git-wip-us.apache.org/repos/asf/hive/blob/cde41e9e/ql/src/test/results/clientpositive/llap/subquery_scalar.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/subquery_scalar.q.out b/ql/src/test/results/clientpositive/llap/subquery_scalar.q.out
index c8524df..b2b5458 100644
--- a/ql/src/test/results/clientpositive/llap/subquery_scalar.q.out
+++ b/ql/src/test/results/clientpositive/llap/subquery_scalar.q.out
@@ -75,7 +75,7 @@ POSTHOOK: Lineage: part_null.p_partkey EXPRESSION [(values__tmp__table__2)values
 POSTHOOK: Lineage: part_null.p_retailprice EXPRESSION [(values__tmp__table__2)values__tmp__table__2.FieldSchema(name:tmp_values_col8, type:string, comment:), ]
 POSTHOOK: Lineage: part_null.p_size EXPRESSION [(values__tmp__table__2)values__tmp__table__2.FieldSchema(name:tmp_values_col6, type:string, comment:), ]
 POSTHOOK: Lineage: part_null.p_type SIMPLE [(values__tmp__table__2)values__tmp__table__2.FieldSchema(name:tmp_values_col5, type:string, comment:), ]
-Warning: Shuffle Join MERGEJOIN[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: explain select * from part where p_size > (select avg(p_size) from part_null)
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where p_size > (select avg(p_size) from part_null)
@@ -89,8 +89,9 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE), Reducer 6 (CUSTOM_SIMPLE_EDGE)
         Reducer 4 <- Map 3 (CUSTOM_SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -114,6 +115,26 @@ STAGE PLANS:
                   alias: part_null
                   Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: count(p_partkey)
+                      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)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
+                  Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
                     expressions: p_size (type: int)
                     outputColumnNames: p_size
                     Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
@@ -134,21 +155,23 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Inner Join 0 to 1
+                     Inner Join 0 to 2
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9
-                Statistics: Num rows: 26 Data size: 18096 Basic stats: COMPLETE Column stats: NONE
+                  2 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10
+                Statistics: Num rows: 26 Data size: 18304 Basic stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: (UDFToDouble(_col5) > _col9) (type: boolean)
-                  Statistics: Num rows: 8 Data size: 5568 Basic stats: COMPLETE Column stats: NONE
+                  predicate: (UDFToDouble(_col5) > _col10) (type: boolean)
+                  Statistics: Num rows: 8 Data size: 5632 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 8 Data size: 5568 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 8 Data size: 5632 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 8 Data size: 5568 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 8 Data size: 5632 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -157,6 +180,29 @@ STAGE PLANS:
             Execution mode: llap
             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
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        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
+        Reducer 6 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: avg(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
@@ -172,7 +218,7 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: select * from part where p_size > (select avg(p_size) from part_null)
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -652,7 +698,7 @@ POSTHOOK: Input: default@tnull
 85768	almond antique chartreuse lavender yellow	Manufacturer#1	Brand#12	LARGE BRUSHED STEEL	34	SM BAG	1753.76	refull
 86428	almond aquamarine burnished black steel	Manufacturer#1	Brand#12	STANDARD ANODIZED STEEL	28	WRAP BAG	1414.42	arefully 
 90681	almond antique chartreuse khaki white	Manufacturer#3	Brand#31	MEDIUM BURNISHED TIN	17	SM CASE	1671.68	are slyly after the sl
-Warning: Shuffle Join MERGEJOIN[15][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[30][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: explain select * from part where (select max(p_name) from part_null) is not null
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where (select max(p_name) from part_null) is not null
@@ -666,8 +712,9 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE), Reducer 6 (CUSTOM_SIMPLE_EDGE)
         Reducer 4 <- Map 3 (CUSTOM_SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -689,6 +736,26 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: part_null
+                  Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: count(p_partkey)
+                      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)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
                   Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: p_name (type: string)
@@ -711,14 +778,16 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Inner Join 0 to 1
+                     Inner Join 0 to 2
                 keys:
                   0 
                   1 
+                  2 
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                Statistics: Num rows: 26 Data size: 20904 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 26 Data size: 21112 Basic stats: COMPLETE Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 26 Data size: 20904 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 26 Data size: 21112 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -727,6 +796,29 @@ STAGE PLANS:
             Execution mode: llap
             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
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        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
+        Reducer 6 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: max(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
@@ -746,7 +838,7 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[15][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[30][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: select * from part where (select max(p_name) from part_null) is not null
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -783,8 +875,10 @@ POSTHOOK: Input: default@part_null
 85768	almond antique chartreuse lavender yellow	Manufacturer#1	Brand#12	LARGE BRUSHED STEEL	34	SM BAG	1753.76	refull
 86428	almond aquamarine burnished black steel	Manufacturer#1	Brand#12	STANDARD ANODIZED STEEL	28	WRAP BAG	1414.42	arefully 
 90681	almond antique chartreuse khaki white	Manufacturer#3	Brand#31	MEDIUM BURNISHED TIN	17	SM CASE	1671.68	are slyly after the sl
-Warning: Shuffle Join MERGEJOIN[23][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
-Warning: Shuffle Join MERGEJOIN[24][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[57][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[58][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[59][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3]] in Stage 'Reducer 4' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3, $hdt$_4]] in Stage 'Reducer 5' is a cross product
 PREHOOK: query: explain select * from part where p_size between (select min(p_size) from part) and (select avg(p_size) from part)
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where p_size between (select min(p_size) from part) and (select avg(p_size) from part)
@@ -798,10 +892,14 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 5 (CUSTOM_SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (CUSTOM_SIMPLE_EDGE), Reducer 7 (CUSTOM_SIMPLE_EDGE)
-        Reducer 5 <- Map 4 (CUSTOM_SIMPLE_EDGE)
+        Reducer 11 <- Map 10 (CUSTOM_SIMPLE_EDGE)
+        Reducer 13 <- Map 12 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 7 (CUSTOM_SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (CUSTOM_SIMPLE_EDGE), Reducer 9 (CUSTOM_SIMPLE_EDGE)
+        Reducer 4 <- Reducer 11 (CUSTOM_SIMPLE_EDGE), Reducer 3 (CUSTOM_SIMPLE_EDGE)
+        Reducer 5 <- Reducer 13 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE)
         Reducer 7 <- Map 6 (CUSTOM_SIMPLE_EDGE)
+        Reducer 9 <- Map 8 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -819,27 +917,27 @@ STAGE PLANS:
                       value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
-        Map 4 
+        Map 10 
             Map Operator Tree:
                 TableScan
                   alias: part
                   Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
-                    expressions: p_size (type: int)
-                    outputColumnNames: p_size
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
                     Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
                     Group By Operator
-                      aggregations: min(p_size)
+                      aggregations: count(p_partkey)
                       mode: hash
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
                       Reduce Output Operator
                         sort order: 
-                        Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
-                        value expressions: _col0 (type: int)
+                        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
-        Map 6 
+        Map 12 
             Map Operator Tree:
                 TableScan
                   alias: part
@@ -859,22 +957,127 @@ STAGE PLANS:
                         value expressions: _col0 (type: struct<count:bigint,sum:double,input:int>)
             Execution mode: llap
             LLAP IO: no inputs
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: part
+                  Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(p_partkey)
+                      mode: hash
+                      outputColumnNames: _col0
+                      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: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 8 
+            Map Operator Tree:
+                TableScan
+                  alias: part
+                  Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    expressions: p_size (type: int)
+                    outputColumnNames: p_size
+                    Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: min(p_size)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: int)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 11 
+            Execution mode: llap
+            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: COMPLETE
+                Select Operator
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Select Operator
+                        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: COMPLETE
+        Reducer 13 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: avg(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                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: COMPLETE
+                  value expressions: _col0 (type: double)
         Reducer 2 
             Execution mode: llap
             Reduce Operator Tree:
               Merge Join Operator
                 condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 
+                  1 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
+                Statistics: Num rows: 26 Data size: 16094 Basic stats: COMPLETE Column stats: COMPLETE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 26 Data size: 16094 Basic stats: COMPLETE Column stats: COMPLETE
+                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
                      Left Outer Join0 to 1
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10
                 Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   sort order: 
                   Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
-                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col9 (type: int)
-        Reducer 3 
+                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col10 (type: int)
+        Reducer 4 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 
+                  1 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10
+                Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
+                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col10 (type: int)
+        Reducer 5 
             Execution mode: llap
             Reduce Operator Tree:
               Merge Join Operator
@@ -883,10 +1086,10 @@ STAGE PLANS:
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10, _col12
                 Statistics: Num rows: 26 Data size: 16406 Basic stats: COMPLETE Column stats: COMPLETE
                 Filter Operator
-                  predicate: UDFToDouble(_col5) BETWEEN UDFToDouble(_col9) AND _col10 (type: boolean)
+                  predicate: UDFToDouble(_col5) BETWEEN UDFToDouble(_col10) AND _col12 (type: boolean)
                   Statistics: Num rows: 2 Data size: 1262 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
@@ -899,30 +1102,41 @@ STAGE PLANS:
                           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 5 
+        Reducer 7 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
-                aggregations: min(VALUE._col0)
+                aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
-                  value expressions: _col0 (type: int)
-        Reducer 7 
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Select Operator
+                        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: COMPLETE
+        Reducer 9 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
-                aggregations: avg(VALUE._col0)
+                aggregations: min(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   sort order: 
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
-                  value expressions: _col0 (type: double)
+                  Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
+                  value expressions: _col0 (type: int)
 
   Stage: Stage-0
     Fetch Operator
@@ -930,8 +1144,10 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[23][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
-Warning: Shuffle Join MERGEJOIN[24][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[57][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[58][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[59][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3]] in Stage 'Reducer 4' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3, $hdt$_4]] in Stage 'Reducer 5' is a cross product
 PREHOOK: query: select * from part where p_size between (select min(p_size) from part) and (select avg(p_size) from part)
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -1210,7 +1426,7 @@ Manufacturer#5	almond antique medium spring khaki	6
 Manufacturer#5	almond antique sky peru orange	2
 Manufacturer#5	almond aquamarine dodger light gainsboro	46
 Manufacturer#5	almond azure blanched chiffon midnight	23
-Warning: Shuffle Join MERGEJOIN[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: explain select * from part where (p_partkey*p_size) <> (select min(p_partkey) from part)
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where (p_partkey*p_size) <> (select min(p_partkey) from part)
@@ -1224,8 +1440,9 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 4 (CUSTOM_SIMPLE_EDGE), Reducer 6 (CUSTOM_SIMPLE_EDGE)
         Reducer 4 <- Map 3 (CUSTOM_SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1253,6 +1470,26 @@ STAGE PLANS:
                     outputColumnNames: p_partkey
                     Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
                     Group By Operator
+                      aggregations: count(p_partkey)
+                      mode: hash
+                      outputColumnNames: _col0
+                      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: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: part
+                  Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
                       aggregations: min(p_partkey)
                       mode: hash
                       outputColumnNames: _col0
@@ -1269,13 +1506,15 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Inner Join 0 to 1
+                     Inner Join 0 to 2
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9
+                  2 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10
                 Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
                 Filter Operator
-                  predicate: ((_col0 * _col5) <> _col9) (type: boolean)
+                  predicate: ((_col0 * _col5) <> _col10) (type: boolean)
                   Statistics: Num rows: 26 Data size: 16198 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
@@ -1292,6 +1531,29 @@ STAGE PLANS:
             Execution mode: llap
             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: COMPLETE
+                Select Operator
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Select Operator
+                        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: COMPLETE
+        Reducer 6 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: min(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
@@ -1307,7 +1569,7 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: select * from part where (p_partkey*p_size) <> (select min(p_partkey) from part)
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -1355,9 +1617,10 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE), Reducer 7 (SIMPLE_EDGE)
         Reducer 3 <- Reducer 2 (CUSTOM_SIMPLE_EDGE)
         Reducer 5 <- Map 4 (SIMPLE_EDGE)
+        Reducer 7 <- Map 6 (SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1381,6 +1644,26 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: part
+                  Statistics: Num rows: 26 Data size: 3146 Basic stats: COMPLETE Column stats: COMPLETE
+                  Filter Operator
+                    predicate: p_name is not null (type: boolean)
+                    Statistics: Num rows: 26 Data size: 3146 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      keys: p_name (type: string)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 13 Data size: 1573 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 13 Data size: 1573 Basic stats: COMPLETE Column stats: COMPLETE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: part
                   Statistics: Num rows: 26 Data size: 3250 Basic stats: COMPLETE Column stats: COMPLETE
                   Filter Operator
                     predicate: p_name is not null (type: boolean)
@@ -1405,16 +1688,18 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Left Outer Join0 to 1
+                     Left Outer Join0 to 2
                 keys:
                   0 _col0 (type: string)
-                  1 _col2 (type: string)
-                outputColumnNames: _col1, _col2, _col3
-                Statistics: Num rows: 26 Data size: 312 Basic stats: COMPLETE Column stats: COMPLETE
+                  1 _col0 (type: string)
+                  2 _col2 (type: string)
+                outputColumnNames: _col1, _col4, _col5
+                Statistics: Num rows: 2 Data size: 24 Basic stats: COMPLETE Column stats: COMPLETE
                 Filter Operator
-                  predicate: ((_col1 + 100) < CASE WHEN (_col3 is null) THEN (null) ELSE (_col2) END) (type: boolean)
-                  Statistics: Num rows: 8 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  predicate: ((_col1 + 100) < CASE WHEN (_col5 is null) THEN (null) ELSE (_col4) END) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
-                    Statistics: Num rows: 8 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Statistics: Num rows: 1 Data size: 12 Basic stats: COMPLETE Column stats: COMPLETE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -1443,6 +1728,32 @@ STAGE PLANS:
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 13 Data size: 1573 Basic stats: COMPLETE Column stats: COMPLETE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: complete
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 13 Data size: 1677 Basic stats: COMPLETE Column stats: COMPLETE
+                  Filter Operator
+                    predicate: (sq_count_check(_col1) <= 1) (type: boolean)
+                    Statistics: Num rows: 4 Data size: 516 Basic stats: COMPLETE Column stats: COMPLETE
+                    Select Operator
+                      expressions: _col0 (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 4 Data size: 516 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 4 Data size: 516 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 7 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: max(VALUE._col0)
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
@@ -1487,8 +1798,9 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE)
         Reducer 4 <- Map 3 (SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1512,6 +1824,26 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: part_null
+                  Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: p_type is not null (type: boolean)
+                    Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: p_type (type: string)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
                   Statistics: Num rows: 31 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: p_type is not null (type: boolean)
@@ -1536,21 +1868,23 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Left Outer Join0 to 1
+                     Left Outer Join0 to 2
                 keys:
                   0 _col4 (type: string)
-                  1 _col2 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
-                Statistics: Num rows: 28 Data size: 17703 Basic stats: COMPLETE Column stats: NONE
+                  1 _col0 (type: string)
+                  2 _col2 (type: string)
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col11, _col12
+                Statistics: Num rows: 57 Data size: 35406 Basic stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: (UDFToDouble(_col5) > CASE WHEN (_col10 is null) THEN (null) ELSE (_col9) END) (type: boolean)
-                  Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                  predicate: (UDFToDouble(_col5) > CASE WHEN (_col12 is null) THEN (null) ELSE (_col11) END) (type: boolean)
+                  Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1559,6 +1893,32 @@ STAGE PLANS:
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 16 Data size: 1628 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: complete
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 8 Data size: 814 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (sq_count_check(_col1) <= 1) (type: boolean)
+                    Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+        Reducer 6 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: avg(VALUE._col0)
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
@@ -1592,7 +1952,8 @@ POSTHOOK: Input: default@part
 POSTHOOK: Input: default@part_null
 #### A masked pattern was here ####
 192697	almond antique blue firebrick mint	Manufacturer#5	Brand#52	MEDIUM BURNISHED TIN	31	LG DRUM	1789.69	ickly ir
-Warning: Shuffle Join MERGEJOIN[27][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[61][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3, $hdt$_4]] in Stage 'Reducer 4' is a cross product
 PREHOOK: query: explain select * from part where p_size BETWEEN (select min(p_size) from part_null where part_null.p_type = part.p_type) AND (select max(p_size) from part_null)
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where p_size BETWEEN (select min(p_size) from part_null where part_null.p_type = part.p_type) AND (select max(p_size) from part_null)
@@ -1606,10 +1967,13 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (CUSTOM_SIMPLE_EDGE), Reducer 7 (CUSTOM_SIMPLE_EDGE)
-        Reducer 5 <- Map 4 (SIMPLE_EDGE)
-        Reducer 7 <- Map 6 (CUSTOM_SIMPLE_EDGE)
+        Reducer 10 <- Map 9 (CUSTOM_SIMPLE_EDGE)
+        Reducer 12 <- Map 11 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE), Reducer 8 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 10 (CUSTOM_SIMPLE_EDGE), Reducer 2 (CUSTOM_SIMPLE_EDGE)
+        Reducer 4 <- Reducer 12 (CUSTOM_SIMPLE_EDGE), Reducer 3 (CUSTOM_SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (SIMPLE_EDGE)
+        Reducer 8 <- Map 7 (SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1629,7 +1993,47 @@ STAGE PLANS:
                       value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
-        Map 4 
+        Map 11 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
+                  Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: p_size (type: int)
+                    outputColumnNames: p_size
+                    Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: max(p_size)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: int)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
+                  Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: p_type is not null (type: boolean)
+                    Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: p_type (type: string)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 7 
             Map Operator Tree:
                 TableScan
                   alias: part_null
@@ -1651,67 +2055,145 @@ STAGE PLANS:
                         value expressions: _col1 (type: int)
             Execution mode: llap
             LLAP IO: no inputs
-        Map 6 
+        Map 9 
             Map Operator Tree:
                 TableScan
                   alias: part_null
                   Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    expressions: p_size (type: int)
-                    outputColumnNames: p_size
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
                     Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: max(p_size)
+                      aggregations: count(p_partkey)
                       mode: hash
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         sort order: 
-                        Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col0 (type: int)
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
+        Reducer 10 
+            Execution mode: llap
+            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
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        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
+        Reducer 12 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: max(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col0 (type: int)
         Reducer 2 
             Execution mode: llap
             Reduce Operator Tree:
               Merge Join Operator
                 condition map:
                      Left Outer Join0 to 1
+                     Left Outer Join0 to 2
                 keys:
                   0 _col4 (type: string)
-                  1 _col2 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
-                Statistics: Num rows: 28 Data size: 17703 Basic stats: COMPLETE Column stats: NONE
+                  1 _col0 (type: string)
+                  2 _col2 (type: string)
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col11, _col12
+                Statistics: Num rows: 57 Data size: 35406 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   sort order: 
-                  Statistics: Num rows: 28 Data size: 17703 Basic stats: COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col9 (type: int), _col10 (type: boolean)
+                  Statistics: Num rows: 57 Data size: 35406 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col11 (type: int), _col12 (type: boolean)
         Reducer 3 
             Execution mode: llap
             Reduce Operator Tree:
               Merge Join Operator
                 condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 
+                  1 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col11, _col12
+                Statistics: Num rows: 57 Data size: 35919 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 57 Data size: 35919 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string), _col11 (type: int), _col12 (type: boolean)
+        Reducer 4 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
                      Left Outer Join0 to 1
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10, _col12
-                Statistics: Num rows: 28 Data size: 17843 Basic stats: COMPLETE Column stats: NONE
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col11, _col12, _col15
+                Statistics: Num rows: 57 Data size: 36204 Basic stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: _col5 BETWEEN CASE WHEN (_col10 is null) THEN (null) ELSE (_col9) END AND _col12 (type: boolean)
-                  Statistics: Num rows: 3 Data size: 1911 Basic stats: COMPLETE Column stats: NONE
+                  predicate: _col5 BETWEEN CASE WHEN (_col12 is null) THEN (null) ELSE (_col11) END AND _col15 (type: boolean)
+                  Statistics: Num rows: 6 Data size: 3810 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 3 Data size: 1911 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 Data size: 3810 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 3 Data size: 1911 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 6 Data size: 3810 Basic stats: COMPLETE Column stats: NONE
                       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 5 
+        Reducer 6 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 16 Data size: 1628 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: complete
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 8 Data size: 814 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (sq_count_check(_col1) <= 1) (type: boolean)
+                    Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+        Reducer 8 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
@@ -1730,18 +2212,6 @@ STAGE PLANS:
                     Map-reduce partition columns: _col2 (type: string)
                     Statistics: Num rows: 15 Data size: 1575 Basic stats: COMPLETE Column stats: NONE
                     value expressions: _col0 (type: int), _col1 (type: boolean)
-        Reducer 7 
-            Execution mode: llap
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: max(VALUE._col0)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: int)
 
   Stage: Stage-0
     Fetch Operator
@@ -1749,7 +2219,8 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[27][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[61][tables = [$hdt$_0, $hdt$_1, $hdt$_2, $hdt$_3, $hdt$_4]] in Stage 'Reducer 4' is a cross product
 PREHOOK: query: select * from part where p_size BETWEEN (select min(p_size) from part_null where part_null.p_type = part.p_type) AND (select max(p_size) from part_null)
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -1786,7 +2257,7 @@ POSTHOOK: Input: default@part_null
 85768	almond antique chartreuse lavender yellow	Manufacturer#1	Brand#12	LARGE BRUSHED STEEL	34	SM BAG	1753.76	refull
 86428	almond aquamarine burnished black steel	Manufacturer#1	Brand#12	STANDARD ANODIZED STEEL	28	WRAP BAG	1414.42	arefully 
 90681	almond antique chartreuse khaki white	Manufacturer#3	Brand#31	MEDIUM BURNISHED TIN	17	SM CASE	1671.68	are slyly after the sl
-Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
 PREHOOK: query: explain select * from part where p_size >= (select min(p_size) from part_null where part_null.p_type = part.p_type) AND p_retailprice <= (select max(p_retailprice) from part_null)
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where p_size >= (select min(p_size) from part_null where part_null.p_type = part.p_type) AND p_retailprice <= (select max(p_retailprice) from part_null)
@@ -1800,10 +2271,12 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (CUSTOM_SIMPLE_EDGE), Reducer 7 (CUSTOM_SIMPLE_EDGE)
+        Reducer 11 <- Map 10 (CUSTOM_SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE), Reducer 7 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 11 (CUSTOM_SIMPLE_EDGE), Reducer 2 (CUSTOM_SIMPLE_EDGE), Reducer 9 (CUSTOM_SIMPLE_EDGE)
         Reducer 5 <- Map 4 (SIMPLE_EDGE)
-        Reducer 7 <- Map 6 (CUSTOM_SIMPLE_EDGE)
+        Reducer 7 <- Map 6 (SIMPLE_EDGE)
+        Reducer 9 <- Map 8 (CUSTOM_SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1823,10 +2296,50 @@ STAGE PLANS:
                       value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
+        Map 10 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
+                  Statistics: Num rows: 407 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: p_retailprice (type: double)
+                    outputColumnNames: p_retailprice
+                    Statistics: Num rows: 407 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: max(p_retailprice)
+                      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: double)
+            Execution mode: llap
+            LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
                 TableScan
                   alias: part_null
+                  Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: p_type is not null (type: boolean)
+                    Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: p_type (type: string)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 32 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: part_null
                   Statistics: Num rows: 31 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: p_type is not null (type: boolean)
@@ -1845,47 +2358,61 @@ STAGE PLANS:
                         value expressions: _col1 (type: int)
             Execution mode: llap
             LLAP IO: no inputs
-        Map 6 
+        Map 8 
             Map Operator Tree:
                 TableScan
                   alias: part_null
-                  Statistics: Num rows: 407 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    expressions: p_retailprice (type: double)
-                    outputColumnNames: p_retailprice
-                    Statistics: Num rows: 407 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 814 Data size: 3256 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: max(p_retailprice)
+                      aggregations: count(p_partkey)
                       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: double)
+                        value expressions: _col0 (type: bigint)
             Execution mode: llap
             LLAP IO: no inputs
+        Reducer 11 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: max(VALUE._col0)
+                mode: mergepartial
+                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: double)
         Reducer 2 
             Execution mode: llap
             Reduce Operator Tree:
               Merge Join Operator
                 condition map:
                      Left Outer Join0 to 1
+                     Left Outer Join0 to 2
                 keys:
                   0 _col4 (type: string)
-                  1 _col2 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
-                Statistics: Num rows: 28 Data size: 17703 Basic stats: COMPLETE Column stats: NONE
+                  1 _col0 (type: string)
+                  2 _col2 (type: string)
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col11, _col12
+                Statistics: Num rows: 57 Data size: 35406 Basic stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: (_col5 >= CASE WHEN (_col10 is null) THEN (null) ELSE (_col9) END) (type: boolean)
-                  Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                  predicate: (_col5 >= CASE WHEN (_col12 is null) THEN (null) ELSE (_col11) END) (type: boolean)
+                  Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       sort order: 
-                      Statistics: Num rows: 9 Data size: 5690 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 19 Data size: 11802 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
         Reducer 3 
             Execution mode: llap
@@ -1893,21 +2420,23 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Inner Join 0 to 1
+                     Inner Join 0 to 2
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col12
-                Statistics: Num rows: 9 Data size: 5771 Basic stats: COMPLETE Column stats: NONE
+                  2 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col15
+                Statistics: Num rows: 19 Data size: 12125 Basic stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: (_col7 <= _col12) (type: boolean)
-                  Statistics: Num rows: 3 Data size: 1923 Basic stats: COMPLETE Column stats: NONE
+                  predicate: (_col7 <= _col15) (type: boolean)
+                  Statistics: Num rows: 6 Data size: 3828 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 3 Data size: 1923 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 Data size: 3828 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 3 Data size: 1923 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 6 Data size: 3828 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1916,6 +2445,32 @@ STAGE PLANS:
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 16 Data size: 1628 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: complete
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 8 Data size: 814 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (sq_count_check(_col1) <= 1) (type: boolean)
+                    Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 2 Data size: 203 Basic stats: COMPLETE Column stats: NONE
+        Reducer 7 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: min(VALUE._col0)
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
@@ -1931,18 +2486,29 @@ STAGE PLANS:
                     Map-reduce partition columns: _col2 (type: string)
                     Statistics: Num rows: 15 Data size: 1575 Basic stats: COMPLETE Column stats: NONE
                     value expressions: _col0 (type: int), _col1 (type: boolean)
-        Reducer 7 
+        Reducer 9 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
-                aggregations: max(VALUE._col0)
+                aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
                 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
+                Select Operator
                   Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: double)
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        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
 
   Stage: Stage-0
     Fetch Operator
@@ -1950,7 +2516,7 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[29][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 3' is a cross product
+Warning: Shuffle Join MERGEJOIN[60][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
 PREHOOK: query: select * from part where p_size >= (select min(p_size) from part_null where part_null.p_type = part.p_type) AND p_retailprice <= (select max(p_retailprice) from part_null)
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -1987,7 +2553,7 @@ POSTHOOK: Input: default@part_null
 85768	almond antique chartreuse lavender yellow	Manufacturer#1	Brand#12	LARGE BRUSHED STEEL	34	SM BAG	1753.76	refull
 86428	almond aquamarine burnished black steel	Manufacturer#1	Brand#12	STANDARD ANODIZED STEEL	28	WRAP BAG	1414.42	arefully 
 90681	almond antique chartreuse khaki white	Manufacturer#3	Brand#31	MEDIUM BURNISHED TIN	17	SM CASE	1671.68	are slyly after the sl
-Warning: Shuffle Join MERGEJOIN[30][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[46][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: explain select * from part where p_brand <> (select min(p_brand) from part ) AND p_size IN (select (p_size) from part p where p.p_type = part.p_type ) AND p_size <> 340
 PREHOOK: type: QUERY
 POSTHOOK: query: explain select * from part where p_brand <> (select min(p_brand) from part ) AND p_size IN (select (p_size) from part p where p.p_type = part.p_type ) AND p_size <> 340
@@ -2001,10 +2567,11 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 5 (CUSTOM_SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE), Reducer 7 (SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Reducer 5 (CUSTOM_SIMPLE_EDGE), Reducer 7 (CUSTOM_SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE), Reducer 9 (SIMPLE_EDGE)
         Reducer 5 <- Map 4 (CUSTOM_SIMPLE_EDGE)
-        Reducer 7 <- Map 6 (SIMPLE_EDGE)
+        Reducer 7 <- Map 6 (CUSTOM_SIMPLE_EDGE)
+        Reducer 9 <- Map 8 (SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -2029,6 +2596,26 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: part
+                  Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    expressions: p_partkey (type: int)
+                    outputColumnNames: p_partkey
+                    Statistics: Num rows: 26 Data size: 104 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(p_partkey)
+                      mode: hash
+                      outputColumnNames: _col0
+                      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: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: part
                   Statistics: Num rows: 26 Data size: 2392 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
                     expressions: p_brand (type: string)
@@ -2045,7 +2632,7 @@ STAGE PLANS:
                         value expressions: _col0 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
-        Map 6 
+        Map 8 
             Map Operator Tree:
                 TableScan
                   alias: p
@@ -2071,13 +2658,15 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Inner Join 0 to 1
+                     Inner Join 0 to 2
                 keys:
                   0 
                   1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9
+                  2 
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col10
                 Statistics: Num rows: 26 Data size: 20878 Basic stats: COMPLETE Column stats: COMPLETE
                 Filter Operator
-                  predicate: (_col3 <> _col9) (type: boolean)
+                  predicate: (_col3 <> _col10) (type: boolean)
                   Statistics: Num rows: 26 Data size: 20878 Basic stats: COMPLETE Column stats: COMPLETE
                   Reduce Output Operator
                     key expressions: _col4 (type: string), _col5 (type: int)
@@ -2107,6 +2696,29 @@ STAGE PLANS:
             Execution mode: llap
             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: COMPLETE
+                Select Operator
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count()
+                    mode: complete
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                    Filter Operator
+                      predicate: (sq_count_check(_col0) <= 1) (type: boolean)
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Select Operator
+                        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: COMPLETE
+        Reducer 7 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
                 aggregations: min(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
@@ -2115,7 +2727,7 @@ STAGE PLANS:
                   sort order: 
                   Statistics: Num rows: 1 Data size: 184 Basic stats: COMPLETE Column stats: COMPLETE
                   value expressions: _col0 (type: string)
-        Reducer 7 
+        Reducer 9 
             Execution mode: llap
             Reduce Operator Tree:
               Group By Operator
@@ -2139,7 +2751,7 @@ STAGE PLANS:
       Processor Tree:
         ListSink
 
-Warning: Shuffle Join MERGEJOIN[30][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
+Warning: Shuffle Join MERGEJOIN[46][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 2' is a cross product
 PREHOOK: query: select * from part where p_brand <> (select min(p_brand) from part ) AND p_size IN (select (p_size) from part p where p.p_type = part.p_type ) AND p_size <> 340
 PREHOOK: type: QUERY
 PREHOOK: Input: default@part
@@ -2184,8 +2796,9 @@ STAGE PLANS:
     Tez
 #### A masked pattern was here ####
       Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE)
         Reducer 4 <- Map 3 (SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (SIMPLE_EDGE)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -2209,6 +2822,26 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: p
+                  Statistics: Num rows: 26 Data size: 208 Basic stats: COMPLETE Column stats: COMPLETE
+                  Filter Operator
+                    predicate: ((p_size = p_size) and (p_partkey = p_partkey)) (type: boolean)
+                    Statistics: Num rows: 6 Data size: 48 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      keys: p_partkey (type: int), p_size (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: int), _col1 (type: int)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: int), _col1 (type: int)
+                        Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE Column stats: COMPLETE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: p
                   Statistics: Num rows: 26 Data size: 3354 Basic stats: COMPLETE Column stats: COMPLETE
                   Filter Operator
                     predicate: ((p_size = p_size) and (p_partkey = p_partkey)) (type: boolean)
@@ -2233,21 +2866,23 @@ STAGE PLANS:
               Merge Join Operator
                 condition map:
                      Left Outer Join0 to 1
+                     Left Outer Join0 to 2
                 keys:
                   0 _col0 (type: int), _col5 (type: int)
-                  1 _col2 (type: int), _col3 (type: int)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
-                Statistics: Num rows: 26 Data size: 16406 Basic stats: COMPLETE Column stats: COMPLETE
+                  1 _col0 (type: int), _col1 (type: int)
+                  2 _col2 (type: int), _col3 (type: int)
+                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col12, _col13
+                Statistics: Num rows: 1 Data size: 631 Basic stats: COMPLETE Column stats: COMPLETE
                 Filter Operator
-                  predicate: (UDFToLong(_col5) <> CASE WHEN (_col10 is null) THEN (0) ELSE (_col9) END) (type: boolean)
-                  Statistics: Num rows: 26 Data size: 16406 Basic stats: COMPLETE Column stats: COMPLETE
+                  predicate: (UDFToLong(_col5) <> CASE WHEN (_col13 is null) THEN (0) ELSE (_col12) END) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 631 Basic stats: COMPLETE Column stats: COMPLETE
                   Select Operator
                     expressions: _col0 (type: int), _col1 (type: string), _col2 (type: string), _col3 (type: string), _col4 (type: string), _col5 (type: int), _col6 (type: string), _col7 (type: double), _col8 (type: string)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8
-                    Statistics: Num rows: 26 Data size: 16094 Basic stats: COMPLETE Column stats: COMPLETE
+                    Statistics: Num rows: 1 Data size: 619 Basic stats: COMPLETE Column stats: COMPLETE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 26 Data size: 16094 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 1 Data size: 619 Basic stats: COMPLETE Column stats: COMPLETE
                       table:
                           input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: org.apa

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