http://git-wip-us.apache.org/repos/asf/hive/blob/328d3f93/ql/src/test/results/clientpositive/perf/spark/query40.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/perf/spark/query40.q.out 
b/ql/src/test/results/clientpositive/perf/spark/query40.q.out
index f286294..5360385 100644
--- a/ql/src/test/results/clientpositive/perf/spark/query40.q.out
+++ b/ql/src/test/results/clientpositive/perf/spark/query40.q.out
@@ -54,8 +54,7 @@ limit 100
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
   Stage-2 is a root stage
-  Stage-3 depends on stages: Stage-2
-  Stage-1 depends on stages: Stage-3
+  Stage-1 depends on stages: Stage-2
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
@@ -63,44 +62,39 @@ STAGE PLANS:
     Spark
 #### A masked pattern was here ####
       Vertices:
-        Map 9 
+        Map 8 
             Map Operator Tree:
                 TableScan
-                  alias: warehouse
-                  Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
+                  alias: date_dim
+                  Statistics: Num rows: 73049 Data size: 81741831 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: w_warehouse_sk is not null (type: boolean)
-                    Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
+                    predicate: (CAST( d_date AS TIMESTAMP) BETWEEN 
TIMESTAMP'1998-03-08 23:00:00.0' AND TIMESTAMP'1998-05-08 00:00:00.0' and 
d_date_sk is not null) (type: boolean)
+                    Statistics: Num rows: 8116 Data size: 9081804 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: w_warehouse_sk (type: int), w_state (type: 
string)
+                      expressions: d_date_sk (type: int), d_date (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 8116 Data size: 9081804 Basic 
stats: COMPLETE Column stats: NONE
                       Spark HashTable Sink Operator
                         keys:
-                          0 _col1 (type: int)
+                          0 _col0 (type: int)
                           1 _col0 (type: int)
             Local Work:
               Map Reduce Local Work
-
-  Stage: Stage-3
-    Spark
-#### A masked pattern was here ####
-      Vertices:
-        Map 7 
+        Map 9 
             Map Operator Tree:
                 TableScan
-                  alias: date_dim
-                  Statistics: Num rows: 73049 Data size: 81741831 Basic stats: 
COMPLETE Column stats: NONE
+                  alias: warehouse
+                  Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: (CAST( d_date AS TIMESTAMP) BETWEEN 
TIMESTAMP'1998-03-08 23:00:00.0' AND TIMESTAMP'1998-05-08 00:00:00.0' and 
d_date_sk is not null) (type: boolean)
-                    Statistics: Num rows: 8116 Data size: 9081804 Basic stats: 
COMPLETE Column stats: NONE
+                    predicate: w_warehouse_sk is not null (type: boolean)
+                    Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: d_date_sk (type: int), d_date (type: string)
+                      expressions: w_warehouse_sk (type: int), w_state (type: 
string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 8116 Data size: 9081804 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 27 Data size: 27802 Basic stats: 
COMPLETE Column stats: NONE
                       Spark HashTable Sink Operator
                         keys:
-                          0 _col0 (type: int)
+                          0 _col1 (type: int)
                           1 _col0 (type: int)
             Local Work:
               Map Reduce Local Work
@@ -109,7 +103,7 @@ STAGE PLANS:
     Spark
       Edges:
         Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 329), Map 6 (PARTITION-LEVEL 
SORT, 329)
-        Reducer 3 <- Map 8 (PARTITION-LEVEL SORT, 370), Reducer 2 
(PARTITION-LEVEL SORT, 370)
+        Reducer 3 <- Map 7 (PARTITION-LEVEL SORT, 336), Reducer 2 
(PARTITION-LEVEL SORT, 336)
         Reducer 4 <- Reducer 3 (GROUP, 447)
         Reducer 5 <- Reducer 4 (SORT, 1)
 #### A masked pattern was here ####
@@ -150,7 +144,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int), _col1 
(type: int)
                         Statistics: Num rows: 28798881 Data size: 3057234680 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col2 (type: decimal(7,2))
-        Map 8 
+        Map 7 
             Map Operator Tree:
                 TableScan
                   alias: item
@@ -169,8 +163,6 @@ STAGE PLANS:
                         Statistics: Num rows: 51333 Data size: 73728460 Basic 
stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
         Reducer 2 
-            Local Work:
-              Map Reduce Local Work
             Reduce Operator Tree:
               Join Operator
                 condition map:
@@ -180,22 +172,12 @@ STAGE PLANS:
                   1 _col0 (type: int), _col1 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col4, _col7
                 Statistics: Num rows: 316788826 Data size: 42899570777 Basic 
stats: COMPLETE Column stats: NONE
-                Map Join Operator
-                  condition map:
-                       Inner Join 0 to 1
-                  keys:
-                    0 _col0 (type: int)
-                    1 _col0 (type: int)
-                  outputColumnNames: _col1, _col2, _col4, _col7, _col9
-                  input vertices:
-                    1 Map 7
-                  Statistics: Num rows: 348467716 Data size: 47189528877 Basic 
stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col2 (type: int)
-                    sort order: +
-                    Map-reduce partition columns: _col2 (type: int)
-                    Statistics: Num rows: 348467716 Data size: 47189528877 
Basic stats: COMPLETE Column stats: NONE
-                    value expressions: _col1 (type: int), _col4 (type: 
decimal(7,2)), _col7 (type: decimal(7,2)), _col9 (type: string)
+                Reduce Output Operator
+                  key expressions: _col2 (type: int)
+                  sort order: +
+                  Map-reduce partition columns: _col2 (type: int)
+                  Statistics: Num rows: 316788826 Data size: 42899570777 Basic 
stats: COMPLETE Column stats: NONE
+                  value expressions: _col0 (type: int), _col1 (type: int), 
_col4 (type: decimal(7,2)), _col7 (type: decimal(7,2))
         Reducer 3 
             Local Work:
               Map Reduce Local Work
@@ -206,35 +188,45 @@ STAGE PLANS:
                 keys:
                   0 _col2 (type: int)
                   1 _col0 (type: int)
-                outputColumnNames: _col1, _col4, _col7, _col9, _col11
-                Statistics: Num rows: 383314495 Data size: 51908482889 Basic 
stats: COMPLETE Column stats: NONE
+                outputColumnNames: _col0, _col1, _col4, _col7, _col9
+                Statistics: Num rows: 348467716 Data size: 47189528877 Basic 
stats: COMPLETE Column stats: NONE
                 Map Join Operator
                   condition map:
                        Inner Join 0 to 1
                   keys:
-                    0 _col1 (type: int)
+                    0 _col0 (type: int)
                     1 _col0 (type: int)
-                  outputColumnNames: _col4, _col7, _col9, _col11, _col14
+                  outputColumnNames: _col1, _col4, _col7, _col9, _col12
                   input vertices:
-                    1 Map 9
-                  Statistics: Num rows: 421645953 Data size: 57099332415 Basic 
stats: COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: _col14 (type: string), _col11 (type: string), 
CASE WHEN ((CAST( _col9 AS DATE) < DATE'1998-04-08')) THEN ((_col4 - 
COALESCE(_col7,0))) ELSE (0) END (type: decimal(13,2)), CASE WHEN ((CAST( _col9 
AS DATE) >= DATE'1998-04-08')) THEN ((_col4 - COALESCE(_col7,0))) ELSE (0) END 
(type: decimal(13,2))
-                    outputColumnNames: _col0, _col1, _col2, _col3
+                    1 Map 8
+                  Statistics: Num rows: 383314495 Data size: 51908482889 Basic 
stats: COMPLETE Column stats: NONE
+                  Map Join Operator
+                    condition map:
+                         Inner Join 0 to 1
+                    keys:
+                      0 _col1 (type: int)
+                      1 _col0 (type: int)
+                    outputColumnNames: _col4, _col7, _col9, _col12, _col14
+                    input vertices:
+                      1 Map 9
                     Statistics: Num rows: 421645953 Data size: 57099332415 
Basic stats: COMPLETE Column stats: NONE
-                    Group By Operator
-                      aggregations: sum(_col2), sum(_col3)
-                      keys: _col0 (type: string), _col1 (type: string)
-                      mode: hash
+                    Select Operator
+                      expressions: _col14 (type: string), _col9 (type: 
string), CASE WHEN ((CAST( _col12 AS DATE) < DATE'1998-04-08')) THEN ((_col4 - 
COALESCE(_col7,0))) ELSE (0) END (type: decimal(13,2)), CASE WHEN ((CAST( 
_col12 AS DATE) >= DATE'1998-04-08')) THEN ((_col4 - COALESCE(_col7,0))) ELSE 
(0) END (type: decimal(13,2))
                       outputColumnNames: _col0, _col1, _col2, _col3
                       Statistics: Num rows: 421645953 Data size: 57099332415 
Basic stats: COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string), _col1 (type: 
string)
-                        sort order: ++
-                        Map-reduce partition columns: _col0 (type: string), 
_col1 (type: string)
+                      Group By Operator
+                        aggregations: sum(_col2), sum(_col3)
+                        keys: _col0 (type: string), _col1 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1, _col2, _col3
                         Statistics: Num rows: 421645953 Data size: 57099332415 
Basic stats: COMPLETE Column stats: NONE
-                        TopN Hash Memory Usage: 0.1
-                        value expressions: _col2 (type: decimal(23,2)), _col3 
(type: decimal(23,2))
+                        Reduce Output Operator
+                          key expressions: _col0 (type: string), _col1 (type: 
string)
+                          sort order: ++
+                          Map-reduce partition columns: _col0 (type: string), 
_col1 (type: string)
+                          Statistics: Num rows: 421645953 Data size: 
57099332415 Basic stats: COMPLETE Column stats: NONE
+                          TopN Hash Memory Usage: 0.1
+                          value expressions: _col2 (type: decimal(23,2)), 
_col3 (type: decimal(23,2))
         Reducer 4 
             Reduce Operator Tree:
               Group By Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/328d3f93/ql/src/test/results/clientpositive/perf/spark/query44.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/perf/spark/query44.q.out 
b/ql/src/test/results/clientpositive/perf/spark/query44.q.out
index 4ca41fb..b432c16 100644
--- a/ql/src/test/results/clientpositive/perf/spark/query44.q.out
+++ b/ql/src/test/results/clientpositive/perf/spark/query44.q.out
@@ -1,5 +1,5 @@
-Warning: Shuffle Join JOIN[36][tables = [$hdt$_2, $hdt$_3, $hdt$_1]] in Work 
'Reducer 8' is a cross product
-Warning: Shuffle Join JOIN[81][tables = [$hdt$_4, $hdt$_5, $hdt$_3]] in Work 
'Reducer 19' is a cross product
+Warning: Shuffle Join JOIN[33][tables = [$hdt$_1, $hdt$_2, $hdt$_0]] in Work 
'Reducer 4' is a cross product
+Warning: Shuffle Join JOIN[78][tables = [$hdt$_3, $hdt$_4, $hdt$_2]] in Work 
'Reducer 17' is a cross product
 PREHOOK: query: explain
 select  asceding.rnk, i1.i_product_name best_performing, i2.i_product_name 
worst_performing
 from(select *
@@ -76,65 +76,43 @@ STAGE PLANS:
   Stage: Stage-1
     Spark
       Edges:
-        Reducer 11 <- Map 10 (GROUP, 100)
-        Reducer 13 <- Map 12 (GROUP, 199)
-        Reducer 15 <- Map 14 (PARTITION-LEVEL SORT, 1009), Reducer 20 
(PARTITION-LEVEL SORT, 1009)
-        Reducer 17 <- Map 16 (GROUP, 100)
-        Reducer 18 <- Reducer 17 (GROUP, 1)
-        Reducer 19 <- Reducer 18 (PARTITION-LEVEL SORT, 1), Reducer 22 
(PARTITION-LEVEL SORT, 1), Reducer 24 (PARTITION-LEVEL SORT, 1)
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1009), Reducer 9 
(PARTITION-LEVEL SORT, 1009)
-        Reducer 20 <- Reducer 19 (PARTITION-LEVEL SORT, 1009)
-        Reducer 22 <- Map 10 (GROUP, 100)
-        Reducer 24 <- Map 12 (GROUP, 199)
-        Reducer 3 <- Reducer 15 (PARTITION-LEVEL SORT, 1009), Reducer 2 
(PARTITION-LEVEL SORT, 1009)
-        Reducer 4 <- Reducer 3 (SORT, 1)
-        Reducer 8 <- Reducer 11 (PARTITION-LEVEL SORT, 1), Reducer 13 
(PARTITION-LEVEL SORT, 1), Reducer 18 (PARTITION-LEVEL SORT, 1)
-        Reducer 9 <- Reducer 8 (PARTITION-LEVEL SORT, 1009)
+        Reducer 10 <- Map 20 (GROUP, 100)
+        Reducer 12 <- Map 11 (GROUP, 199)
+        Reducer 15 <- Map 1 (GROUP, 100)
+        Reducer 16 <- Reducer 15 (GROUP, 1)
+        Reducer 17 <- Reducer 16 (PARTITION-LEVEL SORT, 1), Reducer 21 
(PARTITION-LEVEL SORT, 1), Reducer 23 (PARTITION-LEVEL SORT, 1)
+        Reducer 18 <- Reducer 17 (PARTITION-LEVEL SORT, 1009)
+        Reducer 19 <- Map 24 (PARTITION-LEVEL SORT, 1009), Reducer 18 
(PARTITION-LEVEL SORT, 1009)
+        Reducer 21 <- Map 20 (GROUP, 100)
+        Reducer 23 <- Map 11 (GROUP, 199)
+        Reducer 4 <- Reducer 10 (PARTITION-LEVEL SORT, 1), Reducer 12 
(PARTITION-LEVEL SORT, 1), Reducer 16 (PARTITION-LEVEL SORT, 1)
+        Reducer 5 <- Reducer 4 (PARTITION-LEVEL SORT, 1009)
+        Reducer 6 <- Map 13 (PARTITION-LEVEL SORT, 1009), Reducer 5 
(PARTITION-LEVEL SORT, 1009)
+        Reducer 7 <- Reducer 19 (PARTITION-LEVEL SORT, 1009), Reducer 6 
(PARTITION-LEVEL SORT, 1009)
+        Reducer 8 <- Reducer 7 (SORT, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: i1
-                  Statistics: Num rows: 462000 Data size: 663560457 Basic 
stats: COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: i_item_sk is not null (type: boolean)
-                    Statistics: Num rows: 462000 Data size: 663560457 Basic 
stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: i_item_sk (type: int), i_product_name 
(type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 462000 Data size: 663560457 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: 462000 Data size: 663560457 
Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string)
-        Map 10 
-            Map Operator Tree:
-                TableScan
                   alias: store_sales
                   Statistics: Num rows: 575995635 Data size: 50814502088 Basic 
stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: ((ss_store_sk = 410) and ss_hdemo_sk is null) 
(type: boolean)
                     Statistics: Num rows: 143998908 Data size: 12703625455 
Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: ss_net_profit (type: decimal(7,2))
-                      outputColumnNames: _col1
                       Statistics: Num rows: 143998908 Data size: 12703625455 
Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
-                        aggregations: sum(_col1), count(_col1)
                         keys: 410 (type: int)
                         mode: hash
-                        outputColumnNames: _col0, _col1, _col2
+                        outputColumnNames: _col0
                         Statistics: Num rows: 143998908 Data size: 12703625455 
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: 143998908 Data size: 
12703625455 Basic stats: COMPLETE Column stats: NONE
-                          value expressions: _col1 (type: decimal(17,2)), 
_col2 (type: bigint)
-        Map 12 
+        Map 11 
             Map Operator Tree:
                 TableScan
                   alias: ss1
@@ -158,7 +136,7 @@ STAGE PLANS:
                           Map-reduce partition columns: _col0 (type: int)
                           Statistics: Num rows: 287997817 Data size: 
25407250999 Basic stats: COMPLETE Column stats: NONE
                           value expressions: _col1 (type: decimal(17,2)), 
_col2 (type: bigint)
-        Map 14 
+        Map 13 
             Map Operator Tree:
                 TableScan
                   alias: i2
@@ -176,7 +154,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 462000 Data size: 663560457 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
-        Map 16 
+        Map 20 
             Map Operator Tree:
                 TableScan
                   alias: store_sales
@@ -185,18 +163,40 @@ STAGE PLANS:
                     predicate: ((ss_store_sk = 410) and ss_hdemo_sk is null) 
(type: boolean)
                     Statistics: Num rows: 143998908 Data size: 12703625455 
Basic stats: COMPLETE Column stats: NONE
                     Select Operator
+                      expressions: ss_net_profit (type: decimal(7,2))
+                      outputColumnNames: _col1
                       Statistics: Num rows: 143998908 Data size: 12703625455 
Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
+                        aggregations: sum(_col1), count(_col1)
                         keys: 410 (type: int)
                         mode: hash
-                        outputColumnNames: _col0
+                        outputColumnNames: _col0, _col1, _col2
                         Statistics: Num rows: 143998908 Data size: 12703625455 
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: 143998908 Data size: 
12703625455 Basic stats: COMPLETE Column stats: NONE
-        Reducer 11 
+                          value expressions: _col1 (type: decimal(17,2)), 
_col2 (type: bigint)
+        Map 24 
+            Map Operator Tree:
+                TableScan
+                  alias: i1
+                  Statistics: Num rows: 462000 Data size: 663560457 Basic 
stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: i_item_sk is not null (type: boolean)
+                    Statistics: Num rows: 462000 Data size: 663560457 Basic 
stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: i_item_sk (type: int), i_product_name 
(type: string)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 462000 Data size: 663560457 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: 462000 Data size: 663560457 
Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: string)
+        Reducer 10 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), count(VALUE._col1)
@@ -212,7 +212,7 @@ STAGE PLANS:
                     sort order: 
                     Statistics: Num rows: 71999454 Data size: 6351812727 Basic 
stats: COMPLETE Column stats: NONE
                     value expressions: _col0 (type: decimal(37,22))
-        Reducer 13 
+        Reducer 12 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), count(VALUE._col1)
@@ -230,22 +230,6 @@ STAGE PLANS:
                     value expressions: _col0 (type: int), _col1 (type: 
decimal(37,22))
         Reducer 15 
             Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: int)
-                  1 _col0 (type: int)
-                outputColumnNames: _col1, _col3
-                Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
-                Reduce Output Operator
-                  key expressions: _col3 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col3 (type: int)
-                  Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
-                  value expressions: _col1 (type: string)
-        Reducer 17 
-            Reduce Operator Tree:
               Group By Operator
                 keys: KEY._col0 (type: int)
                 mode: mergepartial
@@ -262,7 +246,7 @@ STAGE PLANS:
                       sort order: 
                       Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col0 (type: bigint)
-        Reducer 18 
+        Reducer 16 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -277,7 +261,7 @@ STAGE PLANS:
                     Reduce Output Operator
                       sort order: 
                       Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 19 
+        Reducer 17 
             Reduce Operator Tree:
               Join Operator
                 condition map:
@@ -294,28 +278,12 @@ STAGE PLANS:
                   Statistics: Num rows: 3455947584198744 Data size: 
640872925954123264 Basic stats: COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: 0 (type: int), _col3 (type: 
decimal(37,22))
-                    sort order: +-
+                    sort order: ++
                     Map-reduce partition columns: 0 (type: int)
                     Statistics: Num rows: 3455947584198744 Data size: 
640872925954123264 Basic stats: COMPLETE Column stats: NONE
                     TopN Hash Memory Usage: 0.1
                     value expressions: _col2 (type: int)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: int)
-                  1 _col0 (type: int)
-                outputColumnNames: _col1, _col3
-                Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
-                Reduce Output Operator
-                  key expressions: _col3 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col3 (type: int)
-                  Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
-                  value expressions: _col1 (type: string)
-        Reducer 20 
+        Reducer 18 
             Reduce Operator Tree:
               Select Operator
                 expressions: VALUE._col2 (type: int), KEY.reducesinkkey1 
(type: decimal(37,22))
@@ -330,7 +298,7 @@ STAGE PLANS:
                       Windowing table definition
                         input alias: ptf_1
                         name: windowingtablefunction
-                        order by: _col3 DESC NULLS LAST
+                        order by: _col3 ASC NULLS FIRST
                         partition by: 0
                         raw input shape:
                         window functions:
@@ -355,7 +323,23 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 1151982528066248 Data size: 
213624308651374400 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: int)
-        Reducer 22 
+        Reducer 19 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 _col0 (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col1, _col3
+                Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col1 (type: int)
+                  sort order: +
+                  Map-reduce partition columns: _col1 (type: int)
+                  Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col3 (type: string)
+        Reducer 21 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), count(VALUE._col1)
@@ -371,7 +355,7 @@ STAGE PLANS:
                     sort order: 
                     Statistics: Num rows: 71999454 Data size: 6351812727 Basic 
stats: COMPLETE Column stats: NONE
                     value expressions: _col0 (type: decimal(37,22))
-        Reducer 24 
+        Reducer 23 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), count(VALUE._col1)
@@ -387,44 +371,8 @@ STAGE PLANS:
                     sort order: 
                     Statistics: Num rows: 143998908 Data size: 12703625455 
Basic stats: COMPLETE Column stats: NONE
                     value expressions: _col0 (type: int), _col1 (type: 
decimal(37,22))
-        Reducer 3 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col3 (type: int)
-                  1 _col3 (type: int)
-                outputColumnNames: _col1, _col3, _col5
-                Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col3 (type: int), _col1 (type: string), _col5 
(type: string)
-                  outputColumnNames: _col0, _col1, _col2
-                  Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: int)
-                    sort order: +
-                    Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
-                    TopN Hash Memory Usage: 0.1
-                    value expressions: _col1 (type: string), _col2 (type: 
string)
         Reducer 4 
             Reduce Operator Tree:
-              Select Operator
-                expressions: KEY.reducesinkkey0 (type: int), VALUE._col0 
(type: string), VALUE._col1 (type: string)
-                outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
-                Limit
-                  Number of rows: 100
-                  Statistics: Num rows: 100 Data size: 18500 Basic stats: 
COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 100 Data size: 18500 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 8 
-            Reduce Operator Tree:
               Join Operator
                 condition map:
                      Inner Join 0 to 1
@@ -440,12 +388,12 @@ STAGE PLANS:
                   Statistics: Num rows: 3455947584198744 Data size: 
640872925954123264 Basic stats: COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: 0 (type: int), _col3 (type: 
decimal(37,22))
-                    sort order: ++
+                    sort order: +-
                     Map-reduce partition columns: 0 (type: int)
                     Statistics: Num rows: 3455947584198744 Data size: 
640872925954123264 Basic stats: COMPLETE Column stats: NONE
                     TopN Hash Memory Usage: 0.1
                     value expressions: _col2 (type: int)
-        Reducer 9 
+        Reducer 5 
             Reduce Operator Tree:
               Select Operator
                 expressions: VALUE._col2 (type: int), KEY.reducesinkkey1 
(type: decimal(37,22))
@@ -460,7 +408,7 @@ STAGE PLANS:
                       Windowing table definition
                         input alias: ptf_1
                         name: windowingtablefunction
-                        order by: _col3 ASC NULLS FIRST
+                        order by: _col3 DESC NULLS LAST
                         partition by: 0
                         raw input shape:
                         window functions:
@@ -485,6 +433,58 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 1151982528066248 Data size: 
213624308651374400 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: int)
+        Reducer 6 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 _col0 (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col1, _col3
+                Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col1 (type: int)
+                  sort order: +
+                  Map-reduce partition columns: _col1 (type: int)
+                  Statistics: Num rows: 1267180808338276 Data size: 
234986744609712256 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col3 (type: string)
+        Reducer 7 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 _col1 (type: int)
+                  1 _col1 (type: int)
+                outputColumnNames: _col3, _col5, _col7
+                Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col5 (type: int), _col7 (type: string), _col3 
(type: string)
+                  outputColumnNames: _col0, _col1, _col2
+                  Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: int)
+                    sort order: +
+                    Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
+                    TopN Hash Memory Usage: 0.1
+                    value expressions: _col1 (type: string), _col2 (type: 
string)
+        Reducer 8 
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), VALUE._col0 
(type: string), VALUE._col1 (type: string)
+                outputColumnNames: _col0, _col1, _col2
+                Statistics: Num rows: 1393898919384048 Data size: 
258485424673204064 Basic stats: COMPLETE Column stats: NONE
+                Limit
+                  Number of rows: 100
+                  Statistics: Num rows: 100 Data size: 18500 Basic stats: 
COMPLETE Column stats: NONE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 100 Data size: 18500 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
 
   Stage: Stage-0
     Fetch Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/328d3f93/ql/src/test/results/clientpositive/perf/spark/query45.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/perf/spark/query45.q.out 
b/ql/src/test/results/clientpositive/perf/spark/query45.q.out
index b674400..7e1cc88 100644
--- a/ql/src/test/results/clientpositive/perf/spark/query45.q.out
+++ b/ql/src/test/results/clientpositive/perf/spark/query45.q.out
@@ -46,10 +46,10 @@ STAGE PLANS:
   Stage: Stage-2
     Spark
       Edges:
-        Reducer 16 <- Map 15 (GROUP, 1)
+        Reducer 6 <- Map 5 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 15 
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: item
@@ -70,7 +70,7 @@ STAGE PLANS:
                           sort order: 
                           Statistics: Num rows: 1 Data size: 16 Basic stats: 
COMPLETE Column stats: NONE
                           value expressions: _col0 (type: bigint), _col1 
(type: bigint)
-        Reducer 16 
+        Reducer 6 
             Local Work:
               Map Reduce Local Work
             Reduce Operator Tree:
@@ -88,33 +88,45 @@ STAGE PLANS:
     Spark
       Edges:
         Reducer 11 <- Map 10 (GROUP, 3)
-        Reducer 13 <- Map 12 (PARTITION-LEVEL SORT, 154), Map 14 
(PARTITION-LEVEL SORT, 154)
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 855), Map 6 (PARTITION-LEVEL 
SORT, 855)
-        Reducer 3 <- Reducer 2 (PARTITION-LEVEL SORT, 777), Reducer 9 
(PARTITION-LEVEL SORT, 777)
-        Reducer 4 <- Reducer 3 (GROUP, 230)
-        Reducer 5 <- Reducer 4 (SORT, 1)
+        Reducer 13 <- Map 12 (PARTITION-LEVEL SORT, 154), Map 15 
(PARTITION-LEVEL SORT, 154)
+        Reducer 14 <- Map 16 (PARTITION-LEVEL SORT, 706), Reducer 13 
(PARTITION-LEVEL SORT, 706)
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 527), Reducer 9 
(PARTITION-LEVEL SORT, 527)
+        Reducer 3 <- Reducer 2 (GROUP, 224)
+        Reducer 4 <- Reducer 3 (SORT, 1)
         Reducer 8 <- Map 7 (PARTITION-LEVEL SORT, 7), Reducer 11 
(PARTITION-LEVEL SORT, 7)
-        Reducer 9 <- Reducer 13 (PARTITION-LEVEL SORT, 174), Reducer 8 
(PARTITION-LEVEL SORT, 174)
+        Reducer 9 <- Reducer 14 (PARTITION-LEVEL SORT, 191), Reducer 8 
(PARTITION-LEVEL SORT, 191)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: customer
-                  Statistics: Num rows: 80000000 Data size: 68801615852 Basic 
stats: COMPLETE Column stats: NONE
+                  alias: customer_address
+                  Statistics: Num rows: 40000000 Data size: 40595195284 Basic 
stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: (c_current_addr_sk is not null and 
c_customer_sk is not null) (type: boolean)
-                    Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
+                    predicate: ca_address_sk is not null (type: boolean)
+                    Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: c_customer_sk (type: int), 
c_current_addr_sk (type: int)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col1 (type: int)
-                        sort order: +
-                        Map-reduce partition columns: _col1 (type: int)
-                        Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col0 (type: int)
+                      expressions: ca_address_sk (type: int), ca_county (type: 
string), ca_zip (type: string)
+                      outputColumnNames: _col0, _col1, _col2
+                      Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
+                      Map Join Operator
+                        condition map:
+                             Inner Join 0 to 1
+                        keys:
+                          0 
+                          1 
+                        outputColumnNames: _col0, _col1, _col2, _col3, _col4
+                        input vertices:
+                          1 Reducer 6
+                        Statistics: Num rows: 40000000 Data size: 41275195284 
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: 40000000 Data size: 
41275195284 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: string), _col2 
(type: string), _col3 (type: bigint), _col4 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Map 10 
             Map Operator Tree:
                 TableScan
@@ -155,7 +167,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 144002668 Data size: 19580198212 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: int), _col2 (type: 
int), _col3 (type: decimal(7,2))
-        Map 14 
+        Map 15 
             Map Operator Tree:
                 TableScan
                   alias: date_dim
@@ -172,24 +184,24 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 18262 Data size: 20435178 Basic 
stats: COMPLETE Column stats: NONE
-        Map 6 
+        Map 16 
             Map Operator Tree:
                 TableScan
-                  alias: customer_address
-                  Statistics: Num rows: 40000000 Data size: 40595195284 Basic 
stats: COMPLETE Column stats: NONE
+                  alias: customer
+                  Statistics: Num rows: 80000000 Data size: 68801615852 Basic 
stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: ca_address_sk is not null (type: boolean)
-                    Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
+                    predicate: (c_current_addr_sk is not null and 
c_customer_sk is not null) (type: boolean)
+                    Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: ca_address_sk (type: int), ca_county (type: 
string), ca_zip (type: string)
-                      outputColumnNames: _col0, _col1, _col2
-                      Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
+                      expressions: c_customer_sk (type: int), 
c_current_addr_sk (type: int)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 80000000 Data size: 68801615852 
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: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string), _col2 (type: 
string)
+                        Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: int)
         Map 7 
             Map Operator Tree:
                 TableScan
@@ -236,99 +248,91 @@ STAGE PLANS:
                 outputColumnNames: _col1, _col2, _col3
                 Statistics: Num rows: 158402938 Data size: 21538218500 Basic 
stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
-                  key expressions: _col1 (type: int)
+                  key expressions: _col2 (type: int)
                   sort order: +
-                  Map-reduce partition columns: _col1 (type: int)
+                  Map-reduce partition columns: _col2 (type: int)
                   Statistics: Num rows: 158402938 Data size: 21538218500 Basic 
stats: COMPLETE Column stats: NONE
-                  value expressions: _col2 (type: int), _col3 (type: 
decimal(7,2))
-        Reducer 2 
+                  value expressions: _col1 (type: int), _col3 (type: 
decimal(7,2))
+        Reducer 14 
             Reduce Operator Tree:
               Join Operator
                 condition map:
                      Inner Join 0 to 1
                 keys:
-                  0 _col1 (type: int)
+                  0 _col2 (type: int)
                   1 _col0 (type: int)
-                outputColumnNames: _col0, _col3, _col4
-                Statistics: Num rows: 88000001 Data size: 75681779077 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: 88000001 Data size: 75681779077 Basic 
stats: COMPLETE Column stats: NONE
-                  value expressions: _col3 (type: string), _col4 (type: string)
-        Reducer 3 
-            Local Work:
-              Map Reduce Local Work
+                outputColumnNames: _col1, _col3, _col8
+                Statistics: Num rows: 174243235 Data size: 23692040863 Basic 
stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col8 (type: int), _col1 (type: int), _col3 
(type: decimal(7,2))
+                  outputColumnNames: _col1, _col3, _col5
+                  Statistics: Num rows: 174243235 Data size: 23692040863 Basic 
stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col3 (type: int)
+                    sort order: +
+                    Map-reduce partition columns: _col3 (type: int)
+                    Statistics: Num rows: 174243235 Data size: 23692040863 
Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: int), _col5 (type: 
decimal(7,2))
+        Reducer 2 
             Reduce Operator Tree:
               Join Operator
                 condition map:
                      Inner Join 0 to 1
                 keys:
                   0 _col0 (type: int)
-                  1 _col6 (type: int)
-                outputColumnNames: _col3, _col4, _col6, _col8, _col12
-                Statistics: Num rows: 191667562 Data size: 26061245514 Basic 
stats: COMPLETE Column stats: NONE
-                Map Join Operator
-                  condition map:
-                       Inner Join 0 to 1
-                  keys:
-                    0 
-                    1 
-                  outputColumnNames: _col3, _col4, _col6, _col8, _col12, 
_col16, _col17
-                  input vertices:
-                    1 Reducer 16
-                  Statistics: Num rows: 191667562 Data size: 29319594068 Basic 
stats: COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: _col12 (type: decimal(7,2)), _col3 (type: 
string), _col4 (type: string), _col6 (type: string), _col16 (type: bigint), 
_col17 (type: bigint), _col8 (type: boolean)
-                    outputColumnNames: _col3, _col7, _col8, _col13, _col14, 
_col15, _col17
-                    Statistics: Num rows: 191667562 Data size: 29319594068 
Basic stats: COMPLETE Column stats: NONE
-                    Filter Operator
-                      predicate: ((substr(_col8, 1, 5)) IN ('85669', '86197', 
'88274', '83405', '86475', '85392', '85460', '80348', '81792') or CASE WHEN 
((_col14 = 0L)) THEN (false) WHEN (_col17 is not null) THEN (true) WHEN (_col13 
is null) THEN (null) WHEN ((_col15 < _col14)) THEN (null) ELSE (false) END) 
(type: boolean)
-                      Statistics: Num rows: 191667562 Data size: 29319594068 
Basic stats: COMPLETE Column stats: NONE
-                      Select Operator
-                        expressions: _col3 (type: decimal(7,2)), _col7 (type: 
string), _col8 (type: string)
-                        outputColumnNames: _col3, _col7, _col8
-                        Statistics: Num rows: 191667562 Data size: 29319594068 
Basic stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: sum(_col3)
-                          keys: _col8 (type: string), _col7 (type: string)
-                          mode: hash
-                          outputColumnNames: _col0, _col1, _col2
-                          Statistics: Num rows: 191667562 Data size: 
29319594068 Basic stats: COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            key expressions: _col0 (type: string), _col1 
(type: string)
-                            sort order: ++
-                            Map-reduce partition columns: _col0 (type: 
string), _col1 (type: string)
-                            Statistics: Num rows: 191667562 Data size: 
29319594068 Basic stats: COMPLETE Column stats: NONE
-                            TopN Hash Memory Usage: 0.1
-                            value expressions: _col2 (type: decimal(17,2))
-        Reducer 4 
+                  1 _col5 (type: int)
+                outputColumnNames: _col1, _col2, _col3, _col4, _col6, _col8, 
_col14
+                Statistics: Num rows: 210834322 Data size: 28667370686 Basic 
stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col14 (type: decimal(7,2)), _col1 (type: 
string), _col2 (type: string), _col6 (type: string), _col3 (type: bigint), 
_col4 (type: bigint), _col8 (type: boolean)
+                  outputColumnNames: _col3, _col7, _col8, _col13, _col14, 
_col15, _col17
+                  Statistics: Num rows: 210834322 Data size: 28667370686 Basic 
stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: ((substr(_col8, 1, 5)) IN ('85669', '86197', 
'88274', '83405', '86475', '85392', '85460', '80348', '81792') or CASE WHEN 
((_col14 = 0L)) THEN (false) WHEN (_col17 is not null) THEN (true) WHEN (_col13 
is null) THEN (null) WHEN ((_col15 < _col14)) THEN (null) ELSE (false) END) 
(type: boolean)
+                    Statistics: Num rows: 210834322 Data size: 28667370686 
Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col3 (type: decimal(7,2)), _col7 (type: 
string), _col8 (type: string)
+                      outputColumnNames: _col3, _col7, _col8
+                      Statistics: Num rows: 210834322 Data size: 28667370686 
Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: sum(_col3)
+                        keys: _col8 (type: string), _col7 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 210834322 Data size: 28667370686 
Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: string), _col1 (type: 
string)
+                          sort order: ++
+                          Map-reduce partition columns: _col0 (type: string), 
_col1 (type: string)
+                          Statistics: Num rows: 210834322 Data size: 
28667370686 Basic stats: COMPLETE Column stats: NONE
+                          TopN Hash Memory Usage: 0.1
+                          value expressions: _col2 (type: decimal(17,2))
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0)
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 95833781 Data size: 14659797034 Basic 
stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 105417161 Data size: 14333685343 Basic 
stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
-                  Statistics: Num rows: 95833781 Data size: 14659797034 Basic 
stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 105417161 Data size: 14333685343 Basic 
stats: COMPLETE Column stats: NONE
                   TopN Hash Memory Usage: 0.1
                   value expressions: _col2 (type: decimal(17,2))
-        Reducer 5 
+        Reducer 4 
             Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), 
KEY.reducesinkkey1 (type: string), VALUE._col0 (type: decimal(17,2))
                 outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 95833781 Data size: 14659797034 Basic 
stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 105417161 Data size: 14333685343 Basic 
stats: COMPLETE Column stats: NONE
                 Limit
                   Number of rows: 100
-                  Statistics: Num rows: 100 Data size: 15200 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 100 Data size: 13500 Basic stats: 
COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 100 Data size: 15200 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 100 Data size: 13500 Basic stats: 
COMPLETE Column stats: NONE
                     table:
                         input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -356,15 +360,15 @@ STAGE PLANS:
                      Inner Join 0 to 1
                 keys:
                   0 _col0 (type: int)
-                  1 _col1 (type: int)
-                outputColumnNames: _col1, _col3, _col6, _col7
-                Statistics: Num rows: 174243235 Data size: 23692040863 Basic 
stats: COMPLETE Column stats: NONE
+                  1 _col3 (type: int)
+                outputColumnNames: _col1, _col3, _col5, _col9
+                Statistics: Num rows: 191667562 Data size: 26061245514 Basic 
stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
-                  key expressions: _col6 (type: int)
+                  key expressions: _col5 (type: int)
                   sort order: +
-                  Map-reduce partition columns: _col6 (type: int)
-                  Statistics: Num rows: 174243235 Data size: 23692040863 Basic 
stats: COMPLETE Column stats: NONE
-                  value expressions: _col1 (type: string), _col3 (type: 
boolean), _col7 (type: decimal(7,2))
+                  Map-reduce partition columns: _col5 (type: int)
+                  Statistics: Num rows: 191667562 Data size: 26061245514 Basic 
stats: COMPLETE Column stats: NONE
+                  value expressions: _col1 (type: string), _col3 (type: 
boolean), _col9 (type: decimal(7,2))
 
   Stage: Stage-0
     Fetch Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/328d3f93/ql/src/test/results/clientpositive/perf/spark/query46.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/perf/spark/query46.q.out 
b/ql/src/test/results/clientpositive/perf/spark/query46.q.out
index 8b0525d..6705f50 100644
--- a/ql/src/test/results/clientpositive/perf/spark/query46.q.out
+++ b/ql/src/test/results/clientpositive/perf/spark/query46.q.out
@@ -76,7 +76,7 @@ STAGE PLANS:
     Spark
 #### A masked pattern was here ####
       Vertices:
-        Map 11 
+        Map 10 
             Map Operator Tree:
                 TableScan
                   alias: store
@@ -94,7 +94,7 @@ STAGE PLANS:
                           1 _col0 (type: int)
             Local Work:
               Map Reduce Local Work
-        Map 12 
+        Map 11 
             Map Operator Tree:
                 TableScan
                   alias: household_demographics
@@ -116,12 +116,12 @@ STAGE PLANS:
   Stage: Stage-1
     Spark
       Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 855), Map 5 (PARTITION-LEVEL 
SORT, 855)
-        Reducer 3 <- Reducer 2 (PARTITION-LEVEL SORT, 882), Reducer 9 
(PARTITION-LEVEL SORT, 882)
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 829), Reducer 8 
(PARTITION-LEVEL SORT, 829)
+        Reducer 3 <- Map 13 (PARTITION-LEVEL SORT, 637), Reducer 2 
(PARTITION-LEVEL SORT, 637)
         Reducer 4 <- Reducer 3 (SORT, 1)
-        Reducer 7 <- Map 10 (PARTITION-LEVEL SORT, 398), Map 6 
(PARTITION-LEVEL SORT, 398)
-        Reducer 8 <- Map 13 (PARTITION-LEVEL SORT, 846), Reducer 7 
(PARTITION-LEVEL SORT, 846)
-        Reducer 9 <- Reducer 8 (GROUP, 582)
+        Reducer 6 <- Map 5 (PARTITION-LEVEL SORT, 398), Map 9 (PARTITION-LEVEL 
SORT, 398)
+        Reducer 7 <- Map 12 (PARTITION-LEVEL SORT, 846), Reducer 6 
(PARTITION-LEVEL SORT, 846)
+        Reducer 8 <- Reducer 7 (GROUP, 582)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -137,29 +137,12 @@ STAGE PLANS:
                       outputColumnNames: _col0, _col1, _col2, _col3
                       Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
-                        key expressions: _col1 (type: int)
-                        sort order: +
-                        Map-reduce partition columns: _col1 (type: int)
-                        Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col0 (type: int), _col2 (type: 
string), _col3 (type: string)
-        Map 10 
-            Map Operator Tree:
-                TableScan
-                  alias: date_dim
-                  Statistics: Num rows: 73049 Data size: 81741831 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: ((d_dow) IN (6, 0) and (d_year) IN (1998, 1999, 
2000) and d_date_sk is not null) (type: boolean)
-                    Statistics: Num rows: 18263 Data size: 20436297 Basic 
stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: d_date_sk (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 18263 Data size: 20436297 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: 18263 Data size: 20436297 Basic 
stats: COMPLETE Column stats: NONE
-        Map 13 
+                        Statistics: Num rows: 80000000 Data size: 68801615852 
Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: int), _col2 (type: 
string), _col3 (type: string)
+        Map 12 
             Map Operator Tree:
                 TableScan
                   alias: customer_address
@@ -177,7 +160,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
-        Map 5 
+        Map 13 
             Map Operator Tree:
                 TableScan
                   alias: current_addr
@@ -195,7 +178,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 40000000 Data size: 40595195284 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
-        Map 6 
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: store_sales
@@ -213,43 +196,60 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 575995635 Data size: 50814502088 
Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: int), _col2 (type: 
int), _col3 (type: int), _col4 (type: int), _col5 (type: int), _col6 (type: 
decimal(7,2)), _col7 (type: decimal(7,2))
+        Map 9 
+            Map Operator Tree:
+                TableScan
+                  alias: date_dim
+                  Statistics: Num rows: 73049 Data size: 81741831 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: ((d_dow) IN (6, 0) and (d_year) IN (1998, 1999, 
2000) and d_date_sk is not null) (type: boolean)
+                    Statistics: Num rows: 18263 Data size: 20436297 Basic 
stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: d_date_sk (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 18263 Data size: 20436297 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: 18263 Data size: 20436297 Basic 
stats: COMPLETE Column stats: NONE
         Reducer 2 
             Reduce Operator Tree:
               Join Operator
                 condition map:
                      Inner Join 0 to 1
                 keys:
-                  0 _col1 (type: int)
-                  1 _col0 (type: int)
-                outputColumnNames: _col0, _col2, _col3, _col5
-                Statistics: Num rows: 88000001 Data size: 75681779077 Basic 
stats: COMPLETE Column stats: NONE
+                  0 _col0 (type: int)
+                  1 _col1 (type: int)
+                outputColumnNames: _col1, _col2, _col3, _col4, _col6, _col7, 
_col8
+                Statistics: Num rows: 463823414 Data size: 40918636263 Basic 
stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
-                  key expressions: _col0 (type: int)
+                  key expressions: _col1 (type: int)
                   sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  Statistics: Num rows: 88000001 Data size: 75681779077 Basic 
stats: COMPLETE Column stats: NONE
-                  value expressions: _col2 (type: string), _col3 (type: 
string), _col5 (type: string)
+                  Map-reduce partition columns: _col1 (type: int)
+                  Statistics: Num rows: 463823414 Data size: 40918636263 Basic 
stats: COMPLETE Column stats: NONE
+                  value expressions: _col2 (type: string), _col3 (type: 
string), _col4 (type: int), _col6 (type: string), _col7 (type: decimal(17,2)), 
_col8 (type: decimal(17,2))
         Reducer 3 
             Reduce Operator Tree:
               Join Operator
                 condition map:
                      Inner Join 0 to 1
                 keys:
-                  0 _col0 (type: int)
-                  1 _col1 (type: int)
-                outputColumnNames: _col2, _col3, _col5, _col6, _col8, _col9, 
_col10
-                Statistics: Num rows: 463823414 Data size: 40918636263 Basic 
stats: COMPLETE Column stats: NONE
+                  0 _col1 (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col2, _col3, _col4, _col6, _col7, _col8, 
_col10
+                Statistics: Num rows: 510205766 Data size: 45010500864 Basic 
stats: COMPLETE Column stats: NONE
                 Filter Operator
-                  predicate: (_col5 <> _col8) (type: boolean)
-                  Statistics: Num rows: 463823414 Data size: 40918636263 Basic 
stats: COMPLETE Column stats: NONE
+                  predicate: (_col10 <> _col6) (type: boolean)
+                  Statistics: Num rows: 510205766 Data size: 45010500864 Basic 
stats: COMPLETE Column stats: NONE
                   Select Operator
-                    expressions: _col3 (type: string), _col2 (type: string), 
_col5 (type: string), _col8 (type: string), _col6 (type: int), _col9 (type: 
decimal(17,2)), _col10 (type: decimal(17,2))
+                    expressions: _col3 (type: string), _col2 (type: string), 
_col10 (type: string), _col6 (type: string), _col4 (type: int), _col7 (type: 
decimal(17,2)), _col8 (type: decimal(17,2))
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, 
_col5, _col6
-                    Statistics: Num rows: 463823414 Data size: 40918636263 
Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 510205766 Data size: 45010500864 
Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string), _col3 (type: string), _col4 (type: int)
                       sort order: +++++
-                      Statistics: Num rows: 463823414 Data size: 40918636263 
Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 510205766 Data size: 45010500864 
Basic stats: COMPLETE Column stats: NONE
                       TopN Hash Memory Usage: 0.1
                       value expressions: _col5 (type: decimal(17,2)), _col6 
(type: decimal(17,2))
         Reducer 4 
@@ -257,7 +257,7 @@ STAGE PLANS:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), 
KEY.reducesinkkey1 (type: string), KEY.reducesinkkey2 (type: string), 
KEY.reducesinkkey3 (type: string), KEY.reducesinkkey4 (type: int), VALUE._col0 
(type: decimal(17,2)), VALUE._col1 (type: decimal(17,2))
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6
-                Statistics: Num rows: 463823414 Data size: 40918636263 Basic 
stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 510205766 Data size: 45010500864 Basic 
stats: COMPLETE Column stats: NONE
                 Limit
                   Number of rows: 100
                   Statistics: Num rows: 100 Data size: 8800 Basic stats: 
COMPLETE Column stats: NONE
@@ -268,7 +268,7 @@ 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 7 
+        Reducer 6 
             Local Work:
               Map Reduce Local Work
             Reduce Operator Tree:
@@ -288,7 +288,7 @@ STAGE PLANS:
                     1 _col0 (type: int)
                   outputColumnNames: _col1, _col2, _col3, _col5, _col6, _col7
                   input vertices:
-                    1 Map 11
+                    1 Map 10
                   Statistics: Num rows: 696954748 Data size: 61485550191 Basic 
stats: COMPLETE Column stats: NONE
                   Map Join Operator
                     condition map:
@@ -298,7 +298,7 @@ STAGE PLANS:
                       1 _col0 (type: int)
                     outputColumnNames: _col1, _col3, _col5, _col6, _col7
                     input vertices:
-                      1 Map 12
+                      1 Map 11
                     Statistics: Num rows: 766650239 Data size: 67634106676 
Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col3 (type: int)
@@ -306,7 +306,7 @@ STAGE PLANS:
                       Map-reduce partition columns: _col3 (type: int)
                       Statistics: Num rows: 766650239 Data size: 67634106676 
Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col1 (type: int), _col5 (type: int), 
_col6 (type: decimal(7,2)), _col7 (type: decimal(7,2))
-        Reducer 8 
+        Reducer 7 
             Reduce Operator Tree:
               Join Operator
                 condition map:
@@ -328,7 +328,7 @@ STAGE PLANS:
                     Map-reduce partition columns: _col0 (type: int), _col1 
(type: string), _col2 (type: int), _col3 (type: int)
                     Statistics: Num rows: 843315281 Data size: 74397518956 
Basic stats: COMPLETE Column stats: NONE
                     value expressions: _col4 (type: decimal(17,2)), _col5 
(type: decimal(17,2))
-        Reducer 9 
+        Reducer 8 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1)

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