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Posted to commits@hive.apache.org by se...@apache.org on 2017/10/13 00:07:09 UTC

[18/23] hive git commit: HIVE-17726: Using exists may lead to incorrect results (Vineet Garg, reviewed by Ashutosh Chauhan)

http://git-wip-us.apache.org/repos/asf/hive/blob/9375cf3c/ql/src/test/results/clientpositive/perf/tez/query94.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/perf/tez/query94.q.out b/ql/src/test/results/clientpositive/perf/tez/query94.q.out
index 8a9e5ca..7674aa7 100644
--- a/ql/src/test/results/clientpositive/perf/tez/query94.q.out
+++ b/ql/src/test/results/clientpositive/perf/tez/query94.q.out
@@ -1,3 +1,4 @@
+Warning: Shuffle Join MERGEJOIN[113][tables = [$hdt$_2, $hdt$_3, $hdt$_1, $hdt$_4]] in Stage 'Reducer 18' is a cross product
 PREHOOK: query: explain
 select  
    count(distinct ws_order_number) as `order count`
@@ -57,132 +58,180 @@ POSTHOOK: type: QUERY
 Plan optimized by CBO.
 
 Vertex dependency in root stage
-Reducer 13 <- Map 12 (SIMPLE_EDGE)
-Reducer 15 <- Map 14 (SIMPLE_EDGE)
-Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 9 (SIMPLE_EDGE)
-Reducer 3 <- Map 10 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
-Reducer 4 <- Map 11 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
-Reducer 5 <- Reducer 13 (ONE_TO_ONE_EDGE), Reducer 15 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE)
-Reducer 6 <- Reducer 5 (SIMPLE_EDGE)
-Reducer 7 <- Reducer 6 (CUSTOM_SIMPLE_EDGE)
-Reducer 8 <- Reducer 7 (SIMPLE_EDGE)
+Reducer 14 <- Map 13 (SIMPLE_EDGE)
+Reducer 16 <- Map 15 (SIMPLE_EDGE), Reducer 19 (SIMPLE_EDGE)
+Reducer 17 <- Reducer 16 (SIMPLE_EDGE)
+Reducer 18 <- Map 15 (CUSTOM_SIMPLE_EDGE), Map 20 (CUSTOM_SIMPLE_EDGE), Map 21 (CUSTOM_SIMPLE_EDGE), Map 22 (CUSTOM_SIMPLE_EDGE)
+Reducer 19 <- Reducer 18 (SIMPLE_EDGE)
+Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 10 (SIMPLE_EDGE)
+Reducer 3 <- Map 11 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
+Reducer 4 <- Map 12 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
+Reducer 5 <- Reducer 14 (ONE_TO_ONE_EDGE), Reducer 4 (SIMPLE_EDGE)
+Reducer 6 <- Reducer 17 (ONE_TO_ONE_EDGE), Reducer 5 (SIMPLE_EDGE)
+Reducer 7 <- Reducer 6 (SIMPLE_EDGE)
+Reducer 8 <- Reducer 7 (CUSTOM_SIMPLE_EDGE)
+Reducer 9 <- Reducer 8 (SIMPLE_EDGE)
 
 Stage-0
   Fetch Operator
     limit:-1
     Stage-1
-      Reducer 8
-      File Output Operator [FS_50]
-        Limit [LIM_48] (rows=1 width=344)
+      Reducer 9
+      File Output Operator [FS_74]
+        Limit [LIM_72] (rows=1 width=344)
           Number of rows:100
-          Select Operator [SEL_47] (rows=1 width=344)
+          Select Operator [SEL_71] (rows=1 width=344)
             Output:["_col0","_col1","_col2"]
-          <-Reducer 7 [SIMPLE_EDGE]
-            SHUFFLE [RS_46]
-              Select Operator [SEL_45] (rows=1 width=344)
+          <-Reducer 8 [SIMPLE_EDGE]
+            SHUFFLE [RS_70]
+              Select Operator [SEL_69] (rows=1 width=344)
                 Output:["_col1","_col2","_col3"]
-                Group By Operator [GBY_78] (rows=1 width=344)
+                Group By Operator [GBY_112] (rows=1 width=344)
                   Output:["_col0","_col1","_col2"],aggregations:["count(VALUE._col0)","sum(VALUE._col1)","sum(VALUE._col2)"]
-                <-Reducer 6 [CUSTOM_SIMPLE_EDGE]
-                  PARTITION_ONLY_SHUFFLE [RS_77]
-                    Group By Operator [GBY_76] (rows=1 width=344)
+                <-Reducer 7 [CUSTOM_SIMPLE_EDGE]
+                  PARTITION_ONLY_SHUFFLE [RS_111]
+                    Group By Operator [GBY_110] (rows=1 width=344)
                       Output:["_col0","_col1","_col2"],aggregations:["count(_col0)","sum(_col1)","sum(_col2)"]
-                      Group By Operator [GBY_75] (rows=210834322 width=135)
+                      Group By Operator [GBY_109] (rows=1395035081047425024 width=1)
                         Output:["_col0","_col1","_col2"],aggregations:["sum(VALUE._col0)","sum(VALUE._col1)"],keys:KEY._col0
-                      <-Reducer 5 [SIMPLE_EDGE]
-                        SHUFFLE [RS_74]
+                      <-Reducer 6 [SIMPLE_EDGE]
+                        SHUFFLE [RS_108]
                           PartitionCols:_col0
-                          Group By Operator [GBY_73] (rows=210834322 width=135)
+                          Group By Operator [GBY_107] (rows=1395035081047425024 width=1)
                             Output:["_col0","_col2","_col3"],aggregations:["sum(_col5)","sum(_col6)"],keys:_col4
-                            Select Operator [SEL_41] (rows=210834322 width=135)
+                            Select Operator [SEL_65] (rows=1395035081047425024 width=1)
                               Output:["_col4","_col5","_col6"]
-                              Filter Operator [FIL_40] (rows=210834322 width=135)
+                              Filter Operator [FIL_64] (rows=1395035081047425024 width=1)
                                 predicate:_col16 is null
-                                Select Operator [SEL_39] (rows=421668645 width=135)
+                                Select Operator [SEL_63] (rows=2790070162094850048 width=1)
                                   Output:["_col4","_col5","_col6","_col16"]
-                                  Merge Join Operator [MERGEJOIN_82] (rows=421668645 width=135)
-                                    Conds:RS_35._col4=RS_36._col0(Left Outer),RS_35._col4=RS_37._col1(Inner),Output:["_col3","_col4","_col5","_col6","_col14","_col15"],residual filter predicates:{(_col3 <> _col15)}
-                                  <-Reducer 13 [ONE_TO_ONE_EDGE]
-                                    FORWARD [RS_36]
-                                      PartitionCols:_col0
-                                      Select Operator [SEL_18] (rows=7199233 width=92)
-                                        Output:["_col0","_col1"]
-                                        Group By Operator [GBY_17] (rows=7199233 width=92)
-                                          Output:["_col0"],keys:KEY._col0
-                                        <-Map 12 [SIMPLE_EDGE]
-                                          SHUFFLE [RS_16]
-                                            PartitionCols:_col0
-                                            Group By Operator [GBY_15] (rows=14398467 width=92)
-                                              Output:["_col0"],keys:wr_order_number
-                                              Filter Operator [FIL_71] (rows=14398467 width=92)
-                                                predicate:wr_order_number is not null
-                                                TableScan [TS_12] (rows=14398467 width=92)
-                                                  default@web_returns,wr1,Tbl:COMPLETE,Col:NONE,Output:["wr_order_number"]
-                                  <-Reducer 15 [SIMPLE_EDGE]
-                                    SHUFFLE [RS_37]
-                                      PartitionCols:_col1
-                                      Select Operator [SEL_25] (rows=72001334 width=135)
-                                        Output:["_col0","_col1"]
-                                        Group By Operator [GBY_24] (rows=72001334 width=135)
-                                          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                        <-Map 14 [SIMPLE_EDGE]
-                                          SHUFFLE [RS_23]
-                                            PartitionCols:_col0, _col1
-                                            Group By Operator [GBY_22] (rows=144002668 width=135)
-                                              Output:["_col0","_col1"],keys:ws_order_number, ws_warehouse_sk
-                                              Filter Operator [FIL_72] (rows=144002668 width=135)
-                                                predicate:(ws_order_number is not null and ws_warehouse_sk is not null)
-                                                TableScan [TS_19] (rows=144002668 width=135)
-                                                  default@web_sales,ws2,Tbl:COMPLETE,Col:NONE,Output:["ws_warehouse_sk","ws_order_number"]
-                                  <-Reducer 4 [SIMPLE_EDGE]
-                                    SHUFFLE [RS_35]
-                                      PartitionCols:_col4
-                                      Merge Join Operator [MERGEJOIN_81] (rows=191667562 width=135)
-                                        Conds:RS_32._col2=RS_33._col0(Inner),Output:["_col3","_col4","_col5","_col6"]
-                                      <-Map 11 [SIMPLE_EDGE]
-                                        SHUFFLE [RS_33]
+                                  Merge Join Operator [MERGEJOIN_119] (rows=2790070162094850048 width=1)
+                                    Conds:RS_60._col3, _col4=RS_61._col0, _col1(Inner),Output:["_col4","_col5","_col6","_col14"]
+                                  <-Reducer 17 [ONE_TO_ONE_EDGE]
+                                    FORWARD [RS_61]
+                                      PartitionCols:_col0, _col1
+                                      Group By Operator [GBY_46] (rows=2536427365110644736 width=1)
+                                        Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                      <-Reducer 16 [SIMPLE_EDGE]
+                                        SHUFFLE [RS_45]
+                                          PartitionCols:_col0, _col1
+                                          Group By Operator [GBY_44] (rows=5072854730221289472 width=1)
+                                            Output:["_col0","_col1"],keys:_col2, _col3
+                                            Select Operator [SEL_43] (rows=5072854730221289472 width=1)
+                                              Output:["_col2","_col3"]
+                                              Filter Operator [FIL_42] (rows=5072854730221289472 width=1)
+                                                predicate:(_col2 <> _col0)
+                                                Merge Join Operator [MERGEJOIN_117] (rows=5072854730221289472 width=1)
+                                                  Conds:RS_39._col1=RS_40._col1(Inner),Output:["_col0","_col2","_col3"]
+                                                <-Map 15 [SIMPLE_EDGE]
+                                                  PARTITION_ONLY_SHUFFLE [RS_39]
+                                                    PartitionCols:_col1
+                                                    Select Operator [SEL_20] (rows=144002668 width=135)
+                                                      Output:["_col0","_col1"]
+                                                      TableScan [TS_19] (rows=144002668 width=135)
+                                                        default@web_sales,ws2,Tbl:COMPLETE,Col:NONE,Output:["ws_warehouse_sk","ws_order_number"]
+                                                <-Reducer 19 [SIMPLE_EDGE]
+                                                  SHUFFLE [RS_40]
+                                                    PartitionCols:_col1
+                                                    Select Operator [SEL_38] (rows=4611686018427387903 width=1)
+                                                      Output:["_col0","_col1"]
+                                                      Group By Operator [GBY_37] (rows=4611686018427387903 width=1)
+                                                        Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                                      <-Reducer 18 [SIMPLE_EDGE]
+                                                        SHUFFLE [RS_36]
+                                                          PartitionCols:_col0, _col1
+                                                          Group By Operator [GBY_35] (rows=9223372036854775807 width=1)
+                                                            Output:["_col0","_col1"],keys:_col4, _col3
+                                                            Merge Join Operator [MERGEJOIN_113] (rows=9223372036854775807 width=1)
+                                                              Conds:(Inner),(Inner),(Inner),Output:["_col3","_col4"]
+                                                            <-Map 15 [CUSTOM_SIMPLE_EDGE]
+                                                              PARTITION_ONLY_SHUFFLE [RS_32]
+                                                                 Please refer to the previous Select Operator [SEL_20]
+                                                            <-Map 20 [CUSTOM_SIMPLE_EDGE]
+                                                              PARTITION_ONLY_SHUFFLE [RS_29]
+                                                                Select Operator [SEL_22] (rows=73049 width=4)
+                                                                  TableScan [TS_21] (rows=73049 width=1119)
+                                                                    default@date_dim,date_dim,Tbl:COMPLETE,Col:COMPLETE
+                                                            <-Map 21 [CUSTOM_SIMPLE_EDGE]
+                                                              PARTITION_ONLY_SHUFFLE [RS_30]
+                                                                Select Operator [SEL_24] (rows=84 width=4)
+                                                                  TableScan [TS_23] (rows=84 width=1850)
+                                                                    default@web_site,web_site,Tbl:COMPLETE,Col:COMPLETE
+                                                            <-Map 22 [CUSTOM_SIMPLE_EDGE]
+                                                              PARTITION_ONLY_SHUFFLE [RS_31]
+                                                                Select Operator [SEL_26] (rows=40000000 width=4)
+                                                                  TableScan [TS_25] (rows=40000000 width=1014)
+                                                                    default@customer_address,customer_address,Tbl:COMPLETE,Col:COMPLETE
+                                  <-Reducer 5 [SIMPLE_EDGE]
+                                    SHUFFLE [RS_60]
+                                      PartitionCols:_col3, _col4
+                                      Merge Join Operator [MERGEJOIN_118] (rows=210834322 width=135)
+                                        Conds:RS_57._col4=RS_58._col0(Left Outer),Output:["_col3","_col4","_col5","_col6","_col14"]
+                                      <-Reducer 14 [ONE_TO_ONE_EDGE]
+                                        FORWARD [RS_58]
                                           PartitionCols:_col0
-                                          Select Operator [SEL_11] (rows=42 width=1850)
-                                            Output:["_col0"]
-                                            Filter Operator [FIL_70] (rows=42 width=1850)
-                                              predicate:((web_company_name = 'pri') and web_site_sk is not null)
-                                              TableScan [TS_9] (rows=84 width=1850)
-                                                default@web_site,web_site,Tbl:COMPLETE,Col:NONE,Output:["web_site_sk","web_company_name"]
-                                      <-Reducer 3 [SIMPLE_EDGE]
-                                        SHUFFLE [RS_32]
-                                          PartitionCols:_col2
-                                          Merge Join Operator [MERGEJOIN_80] (rows=174243235 width=135)
-                                            Conds:RS_29._col1=RS_30._col0(Inner),Output:["_col2","_col3","_col4","_col5","_col6"]
-                                          <-Map 10 [SIMPLE_EDGE]
-                                            SHUFFLE [RS_30]
+                                          Select Operator [SEL_18] (rows=7199233 width=92)
+                                            Output:["_col0","_col1"]
+                                            Group By Operator [GBY_17] (rows=7199233 width=92)
+                                              Output:["_col0"],keys:KEY._col0
+                                            <-Map 13 [SIMPLE_EDGE]
+                                              SHUFFLE [RS_16]
+                                                PartitionCols:_col0
+                                                Group By Operator [GBY_15] (rows=14398467 width=92)
+                                                  Output:["_col0"],keys:wr_order_number
+                                                  Filter Operator [FIL_104] (rows=14398467 width=92)
+                                                    predicate:wr_order_number is not null
+                                                    TableScan [TS_12] (rows=14398467 width=92)
+                                                      default@web_returns,wr1,Tbl:COMPLETE,Col:NONE,Output:["wr_order_number"]
+                                      <-Reducer 4 [SIMPLE_EDGE]
+                                        SHUFFLE [RS_57]
+                                          PartitionCols:_col4
+                                          Merge Join Operator [MERGEJOIN_116] (rows=191667562 width=135)
+                                            Conds:RS_54._col2=RS_55._col0(Inner),Output:["_col3","_col4","_col5","_col6"]
+                                          <-Map 12 [SIMPLE_EDGE]
+                                            SHUFFLE [RS_55]
                                               PartitionCols:_col0
-                                              Select Operator [SEL_8] (rows=20000000 width=1014)
+                                              Select Operator [SEL_11] (rows=42 width=1850)
                                                 Output:["_col0"]
-                                                Filter Operator [FIL_69] (rows=20000000 width=1014)
-                                                  predicate:((ca_state = 'TX') and ca_address_sk is not null)
-                                                  TableScan [TS_6] (rows=40000000 width=1014)
-                                                    default@customer_address,customer_address,Tbl:COMPLETE,Col:NONE,Output:["ca_address_sk","ca_state"]
-                                          <-Reducer 2 [SIMPLE_EDGE]
-                                            SHUFFLE [RS_29]
-                                              PartitionCols:_col1
-                                              Merge Join Operator [MERGEJOIN_79] (rows=158402938 width=135)
-                                                Conds:RS_26._col0=RS_27._col0(Inner),Output:["_col1","_col2","_col3","_col4","_col5","_col6"]
-                                              <-Map 1 [SIMPLE_EDGE]
-                                                SHUFFLE [RS_26]
+                                                Filter Operator [FIL_103] (rows=42 width=1850)
+                                                  predicate:((web_company_name = 'pri') and web_site_sk is not null)
+                                                  TableScan [TS_9] (rows=84 width=1850)
+                                                    default@web_site,web_site,Tbl:COMPLETE,Col:NONE,Output:["web_site_sk","web_company_name"]
+                                          <-Reducer 3 [SIMPLE_EDGE]
+                                            SHUFFLE [RS_54]
+                                              PartitionCols:_col2
+                                              Merge Join Operator [MERGEJOIN_115] (rows=174243235 width=135)
+                                                Conds:RS_51._col1=RS_52._col0(Inner),Output:["_col2","_col3","_col4","_col5","_col6"]
+                                              <-Map 11 [SIMPLE_EDGE]
+                                                SHUFFLE [RS_52]
                                                   PartitionCols:_col0
-                                                  Select Operator [SEL_2] (rows=144002668 width=135)
-                                                    Output:["_col0","_col1","_col2","_col3","_col4","_col5","_col6"]
-                                                    Filter Operator [FIL_67] (rows=144002668 width=135)
-                                                      predicate:(ws_ship_addr_sk is not null and ws_ship_date_sk is not null and ws_web_site_sk is not null)
-                                                      TableScan [TS_0] (rows=144002668 width=135)
-                                                        default@web_sales,ws1,Tbl:COMPLETE,Col:NONE,Output:["ws_ship_date_sk","ws_ship_addr_sk","ws_web_site_sk","ws_warehouse_sk","ws_order_number","ws_ext_ship_cost","ws_net_profit"]
-                                              <-Map 9 [SIMPLE_EDGE]
-                                                SHUFFLE [RS_27]
-                                                  PartitionCols:_col0
-                                                  Select Operator [SEL_5] (rows=8116 width=1119)
+                                                  Select Operator [SEL_8] (rows=20000000 width=1014)
                                                     Output:["_col0"]
-                                                    Filter Operator [FIL_68] (rows=8116 width=1119)
-                                                      predicate:(CAST( d_date AS TIMESTAMP) BETWEEN 1999-05-01 00:00:00.0 AND 1999-06-30 00:00:00.0 and d_date_sk is not null)
-                                                      TableScan [TS_3] (rows=73049 width=1119)
-                                                        default@date_dim,date_dim,Tbl:COMPLETE,Col:NONE,Output:["d_date_sk","d_date"]
+                                                    Filter Operator [FIL_102] (rows=20000000 width=1014)
+                                                      predicate:((ca_state = 'TX') and ca_address_sk is not null)
+                                                      TableScan [TS_6] (rows=40000000 width=1014)
+                                                        default@customer_address,customer_address,Tbl:COMPLETE,Col:NONE,Output:["ca_address_sk","ca_state"]
+                                              <-Reducer 2 [SIMPLE_EDGE]
+                                                SHUFFLE [RS_51]
+                                                  PartitionCols:_col1
+                                                  Merge Join Operator [MERGEJOIN_114] (rows=158402938 width=135)
+                                                    Conds:RS_48._col0=RS_49._col0(Inner),Output:["_col1","_col2","_col3","_col4","_col5","_col6"]
+                                                  <-Map 1 [SIMPLE_EDGE]
+                                                    SHUFFLE [RS_48]
+                                                      PartitionCols:_col0
+                                                      Select Operator [SEL_2] (rows=144002668 width=135)
+                                                        Output:["_col0","_col1","_col2","_col3","_col4","_col5","_col6"]
+                                                        Filter Operator [FIL_100] (rows=144002668 width=135)
+                                                          predicate:(ws_ship_addr_sk is not null and ws_ship_date_sk is not null and ws_web_site_sk is not null)
+                                                          TableScan [TS_0] (rows=144002668 width=135)
+                                                            default@web_sales,ws1,Tbl:COMPLETE,Col:NONE,Output:["ws_ship_date_sk","ws_ship_addr_sk","ws_web_site_sk","ws_warehouse_sk","ws_order_number","ws_ext_ship_cost","ws_net_profit"]
+                                                  <-Map 10 [SIMPLE_EDGE]
+                                                    SHUFFLE [RS_49]
+                                                      PartitionCols:_col0
+                                                      Select Operator [SEL_5] (rows=8116 width=1119)
+                                                        Output:["_col0"]
+                                                        Filter Operator [FIL_101] (rows=8116 width=1119)
+                                                          predicate:(CAST( d_date AS TIMESTAMP) BETWEEN 1999-05-01 00:00:00.0 AND 1999-06-30 00:00:00.0 and d_date_sk is not null)
+                                                          TableScan [TS_3] (rows=73049 width=1119)
+                                                            default@date_dim,date_dim,Tbl:COMPLETE,Col:NONE,Output:["d_date_sk","d_date"]
 

http://git-wip-us.apache.org/repos/asf/hive/blob/9375cf3c/ql/src/test/results/clientpositive/spark/constprog_partitioner.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/constprog_partitioner.q.out b/ql/src/test/results/clientpositive/spark/constprog_partitioner.q.out
index 5b57036..b89f9f5 100644
--- a/ql/src/test/results/clientpositive/spark/constprog_partitioner.q.out
+++ b/ql/src/test/results/clientpositive/spark/constprog_partitioner.q.out
@@ -122,22 +122,22 @@ STAGE PLANS:
                   alias: lineitem
                   Statistics: Num rows: 100 Data size: 11999 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: ((l_shipmode = 'AIR') and l_linenumber is not null) (type: boolean)
-                    Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
+                    predicate: ((l_linenumber = l_linenumber) and (l_shipmode = 'AIR')) (type: boolean)
+                    Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: l_orderkey (type: int), l_linenumber (type: int)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         keys: _col0 (type: int), _col1 (type: int)
                         mode: hash
                         outputColumnNames: _col0, _col1
-                        Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
                         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: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
         Reducer 2 
             Reduce Operator Tree:
               Join Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/9375cf3c/ql/src/test/results/clientpositive/spark/spark_explainuser_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/spark_explainuser_1.q.out b/ql/src/test/results/clientpositive/spark/spark_explainuser_1.q.out
index 8ae9080..76c74d9 100644
--- a/ql/src/test/results/clientpositive/spark/spark_explainuser_1.q.out
+++ b/ql/src/test/results/clientpositive/spark/spark_explainuser_1.q.out
@@ -1693,11 +1693,11 @@ Stage-0
     Stage-1
       Reducer 2
       File Output Operator [FS_19]
-        Select Operator [SEL_18] (rows=366 width=178)
+        Select Operator [SEL_18] (rows=434 width=178)
           Output:["_col0","_col1"]
-          Filter Operator [FIL_17] (rows=366 width=179)
+          Filter Operator [FIL_17] (rows=434 width=178)
             predicate:_col3 is null
-            Join Operator [JOIN_16] (rows=500 width=179)
+            Join Operator [JOIN_16] (rows=500 width=178)
               Output:["_col0","_col1","_col3"],condition map:[{"":"{\"type\":\"Left Outer\",\"left\":0,\"right\":1}"}],keys:{"0":"_col1","1":"_col0"}
             <-Map 1 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_14]
@@ -1709,21 +1709,21 @@ Stage-0
             <-Reducer 4 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_15]
                 PartitionCols:_col0
-                Select Operator [SEL_13] (rows=83 width=95)
+                Select Operator [SEL_13] (rows=41 width=95)
                   Output:["_col0","_col1"]
-                  Group By Operator [GBY_12] (rows=83 width=91)
+                  Group By Operator [GBY_12] (rows=41 width=91)
                     Output:["_col0"],keys:_col1
-                    Select Operator [SEL_8] (rows=83 width=178)
+                    Select Operator [SEL_8] (rows=41 width=178)
                       Output:["_col1"]
-                      Group By Operator [GBY_7] (rows=83 width=178)
+                      Group By Operator [GBY_7] (rows=41 width=178)
                         Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
                       <-Map 3 [GROUP PARTITION-LEVEL SORT]
                         GROUP PARTITION-LEVEL SORT [RS_6]
                           PartitionCols:_col0
-                          Group By Operator [GBY_5] (rows=83 width=178)
+                          Group By Operator [GBY_5] (rows=41 width=178)
                             Output:["_col0","_col1"],keys:value, key
-                            Filter Operator [FIL_20] (rows=166 width=178)
-                              predicate:(value > 'val_2')
+                            Filter Operator [FIL_20] (rows=83 width=178)
+                              predicate:((value = value) and (value > 'val_2'))
                               TableScan [TS_2] (rows=500 width=178)
                                 default@src_cbo,a,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
 
@@ -1758,11 +1758,11 @@ Stage-0
     Stage-1
       Reducer 3
       File Output Operator [FS_18]
-        Select Operator [SEL_17] (rows=183 width=178)
+        Select Operator [SEL_17] (rows=234 width=178)
           Output:["_col0","_col1"]
-          Filter Operator [FIL_16] (rows=183 width=179)
+          Filter Operator [FIL_16] (rows=234 width=178)
             predicate:_col4 is null
-            Join Operator [JOIN_15] (rows=250 width=179)
+            Join Operator [JOIN_15] (rows=250 width=178)
               Output:["_col0","_col1","_col4"],condition map:[{"":"{\"type\":\"Left Outer\",\"left\":0,\"right\":1}"}],keys:{"0":"_col0, _col1","1":"_col0, _col1"}
             <-Reducer 2 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_13]
@@ -1781,17 +1781,17 @@ Stage-0
             <-Reducer 5 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_14]
                 PartitionCols:_col0, _col1
-                Select Operator [SEL_12] (rows=83 width=182)
+                Select Operator [SEL_12] (rows=20 width=182)
                   Output:["_col0","_col1","_col2"]
-                  Group By Operator [GBY_11] (rows=83 width=178)
+                  Group By Operator [GBY_11] (rows=20 width=178)
                     Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
                   <-Map 4 [GROUP]
                     GROUP [RS_10]
                       PartitionCols:_col0, _col1
-                      Group By Operator [GBY_9] (rows=83 width=178)
+                      Group By Operator [GBY_9] (rows=20 width=178)
                         Output:["_col0","_col1"],keys:key, value
-                        Filter Operator [FIL_19] (rows=166 width=178)
-                          predicate:((value > 'val_12') and key is not null)
+                        Filter Operator [FIL_19] (rows=41 width=178)
+                          predicate:((key = key) and (value = value) and (value > 'val_12'))
                           TableScan [TS_6] (rows=500 width=178)
                             default@src_cbo,a,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
 
@@ -1834,7 +1834,7 @@ Stage-0
     Stage-1
       Reducer 2
       File Output Operator [FS_11]
-        Join Operator [JOIN_9] (rows=134 width=178)
+        Join Operator [JOIN_9] (rows=32 width=178)
           Output:["_col0","_col1"],condition map:[{"":"{\"type\":\"Left Semi\",\"left\":0,\"right\":1}"}],keys:{"0":"_col0, _col1","1":"_col0, _col1"}
         <-Map 1 [PARTITION-LEVEL SORT]
           PARTITION-LEVEL SORT [RS_7]
@@ -1846,12 +1846,12 @@ Stage-0
         <-Map 3 [PARTITION-LEVEL SORT]
           PARTITION-LEVEL SORT [RS_8]
             PartitionCols:_col0, _col1
-            Group By Operator [GBY_6] (rows=83 width=178)
+            Group By Operator [GBY_6] (rows=20 width=178)
               Output:["_col0","_col1"],keys:_col0, _col1
-              Select Operator [SEL_4] (rows=166 width=178)
+              Select Operator [SEL_4] (rows=41 width=178)
                 Output:["_col0","_col1"]
-                Filter Operator [FIL_12] (rows=166 width=178)
-                  predicate:((value > 'val_9') and key is not null)
+                Filter Operator [FIL_12] (rows=41 width=178)
+                  predicate:((key = key) and (value = value) and (value > 'val_9'))
                   TableScan [TS_2] (rows=500 width=178)
                     default@src_cbo,a,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
 
@@ -1884,7 +1884,7 @@ Stage-0
     Stage-1
       Reducer 2
       File Output Operator [FS_11]
-        Join Operator [JOIN_9] (rows=134 width=178)
+        Join Operator [JOIN_9] (rows=32 width=178)
           Output:["_col0","_col1"],condition map:[{"":"{\"type\":\"Left Semi\",\"left\":0,\"right\":1}"}],keys:{"0":"_col0, _col1","1":"_col0, _col1"}
         <-Map 1 [PARTITION-LEVEL SORT]
           PARTITION-LEVEL SORT [RS_7]
@@ -1896,12 +1896,12 @@ Stage-0
         <-Map 3 [PARTITION-LEVEL SORT]
           PARTITION-LEVEL SORT [RS_8]
             PartitionCols:_col0, _col1
-            Group By Operator [GBY_6] (rows=83 width=178)
+            Group By Operator [GBY_6] (rows=20 width=178)
               Output:["_col0","_col1"],keys:_col0, _col1
-              Select Operator [SEL_4] (rows=166 width=178)
+              Select Operator [SEL_4] (rows=41 width=178)
                 Output:["_col0","_col1"]
-                Filter Operator [FIL_12] (rows=166 width=178)
-                  predicate:((value > 'val_9') and key is not null)
+                Filter Operator [FIL_12] (rows=41 width=178)
+                  predicate:((key = key) and (value = value) and (value > 'val_9'))
                   TableScan [TS_2] (rows=500 width=178)
                     default@src_cbo,a,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
 
@@ -1977,12 +1977,12 @@ Stage-0
           <-Map 6 [PARTITION-LEVEL SORT]
             PARTITION-LEVEL SORT [RS_19]
               PartitionCols:_col0, _col1
-              Group By Operator [GBY_17] (rows=4 width=8)
+              Group By Operator [GBY_17] (rows=2 width=8)
                 Output:["_col0","_col1"],keys:_col0, _col1
-                Select Operator [SEL_12] (rows=14 width=8)
+                Select Operator [SEL_12] (rows=7 width=8)
                   Output:["_col0","_col1"]
-                  Filter Operator [FIL_25] (rows=14 width=96)
-                    predicate:((l_shipmode = 'AIR') and l_linenumber is not null)
+                  Filter Operator [FIL_25] (rows=7 width=96)
+                    predicate:((l_linenumber = l_linenumber) and (l_shipmode = 'AIR'))
                     TableScan [TS_10] (rows=100 width=96)
                       default@lineitem,lineitem,Tbl:COMPLETE,Col:COMPLETE,Output:["l_orderkey","l_linenumber","l_shipmode"]
           <-Reducer 3 [PARTITION-LEVEL SORT]
@@ -2272,14 +2272,14 @@ Stage-0
       File Output Operator [FS_26]
         Select Operator [SEL_25] (rows=13 width=223)
           Output:["_col0","_col1","_col2"]
-          Filter Operator [FIL_24] (rows=13 width=231)
+          Filter Operator [FIL_24] (rows=13 width=227)
             predicate:(not CASE WHEN ((_col4 = 0)) THEN (false) WHEN (_col4 is null) THEN (false) WHEN (_col8 is not null) THEN (true) WHEN (_col0 is null) THEN (null) WHEN ((_col5 < _col4)) THEN (true) ELSE (false) END)
-            Join Operator [JOIN_23] (rows=26 width=230)
+            Join Operator [JOIN_23] (rows=26 width=227)
               Output:["_col0","_col1","_col2","_col4","_col5","_col8"],condition map:[{"":"{\"type\":\"Left Outer\",\"left\":0,\"right\":1}"}],keys:{"0":"_col0, _col1","1":"_col0, _col1"}
             <-Reducer 2 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_21]
                 PartitionCols:_col0, _col1
-                Join Operator [JOIN_20] (rows=26 width=229)
+                Join Operator [JOIN_20] (rows=26 width=226)
                   Output:["_col0","_col1","_col2","_col4","_col5"],condition map:[{"":"{\"type\":\"Left Outer\",\"left\":0,\"right\":1}"}],keys:{"0":"_col1","1":"_col0"}
                 <-Map 1 [PARTITION-LEVEL SORT]
                   PARTITION-LEVEL SORT [RS_18]
@@ -2291,37 +2291,37 @@ Stage-0
                 <-Reducer 5 [PARTITION-LEVEL SORT]
                   PARTITION-LEVEL SORT [RS_19]
                     PartitionCols:_col0
-                    Group By Operator [GBY_7] (rows=2 width=114)
+                    Group By Operator [GBY_7] (rows=1 width=114)
                       Output:["_col0","_col1","_col2"],aggregations:["count(VALUE._col0)","count(VALUE._col1)"],keys:KEY._col0
                     <-Map 4 [GROUP]
                       GROUP [RS_6]
                         PartitionCols:_col0
-                        Group By Operator [GBY_5] (rows=2 width=114)
+                        Group By Operator [GBY_5] (rows=1 width=114)
                           Output:["_col0","_col1","_col2"],aggregations:["count()","count(p_name)"],keys:p_mfgr
-                          Select Operator [SEL_4] (rows=8 width=223)
+                          Select Operator [SEL_4] (rows=4 width=223)
                             Output:["p_name","p_mfgr"]
-                            Filter Operator [FIL_27] (rows=8 width=223)
-                              predicate:((p_size < 10) and p_mfgr is not null)
+                            Filter Operator [FIL_27] (rows=4 width=223)
+                              predicate:((p_mfgr = p_mfgr) and (p_size < 10))
                               TableScan [TS_2] (rows=26 width=223)
                                 default@part,part,Tbl:COMPLETE,Col:COMPLETE,Output:["p_name","p_mfgr","p_size"]
             <-Reducer 7 [PARTITION-LEVEL SORT]
               PARTITION-LEVEL SORT [RS_22]
                 PartitionCols:_col0, _col1
-                Select Operator [SEL_17] (rows=4 width=223)
+                Select Operator [SEL_17] (rows=2 width=223)
                   Output:["_col0","_col1","_col2"]
-                  Filter Operator [FIL_16] (rows=4 width=219)
+                  Filter Operator [FIL_16] (rows=2 width=219)
                     predicate:_col0 is not null
-                    Group By Operator [GBY_14] (rows=4 width=219)
+                    Group By Operator [GBY_14] (rows=2 width=219)
                       Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
                     <-Map 6 [GROUP]
                       GROUP [RS_13]
                         PartitionCols:_col0, _col1
-                        Group By Operator [GBY_12] (rows=4 width=219)
+                        Group By Operator [GBY_12] (rows=2 width=219)
                           Output:["_col0","_col1"],keys:p_name, p_mfgr
-                          Select Operator [SEL_11] (rows=8 width=223)
+                          Select Operator [SEL_11] (rows=4 width=223)
                             Output:["p_name","p_mfgr"]
-                            Filter Operator [FIL_28] (rows=8 width=223)
-                              predicate:((p_size < 10) and p_mfgr is not null)
+                            Filter Operator [FIL_28] (rows=4 width=223)
+                              predicate:((p_mfgr = p_mfgr) and (p_size < 10))
                               TableScan [TS_9] (rows=26 width=223)
                                 default@part,part,Tbl:COMPLETE,Col:COMPLETE,Output:["p_name","p_mfgr","p_size"]
 
@@ -2457,7 +2457,7 @@ Stage-0
                         Select Operator [SEL_24] (rows=1 width=110)
                           Output:["_col0","_col1"]
                           Filter Operator [FIL_23] (rows=1 width=114)
-                            predicate:(((_col2 - _col1) > 600.0) and _col1 is not null)
+                            predicate:(((_col2 - _col1) > 600.0) and (_col1 = _col1))
                             Group By Operator [GBY_22] (rows=5 width=114)
                               Output:["_col0","_col1","_col2"],aggregations:["min(VALUE._col0)","max(VALUE._col1)"],keys:KEY._col0
                             <-Map 6 [GROUP]
@@ -2501,7 +2501,7 @@ Stage-0
                               Select Operator [SEL_12] (rows=1 width=114)
                                 Output:["_col0","_col1"]
                                 Filter Operator [FIL_11] (rows=1 width=114)
-                                  predicate:(((_col2 - _col1) > 600.0) and _col1 is not null)
+                                  predicate:(((_col2 - _col1) > 600.0) and (_col1 = _col1))
                                   Group By Operator [GBY_10] (rows=5 width=114)
                                     Output:["_col0","_col1","_col2"],aggregations:["min(VALUE._col0)","max(VALUE._col1)"],keys:KEY._col0
                                   <- Please refer to the previous Map 6 [GROUP]

http://git-wip-us.apache.org/repos/asf/hive/blob/9375cf3c/ql/src/test/results/clientpositive/spark/subquery_exists.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/subquery_exists.q.out b/ql/src/test/results/clientpositive/spark/subquery_exists.q.out
index 2c86196..dafe5b6 100644
--- a/ql/src/test/results/clientpositive/spark/subquery_exists.q.out
+++ b/ql/src/test/results/clientpositive/spark/subquery_exists.q.out
@@ -47,22 +47,22 @@ STAGE PLANS:
                   alias: a
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: ((value > 'val_9') and key is not null) (type: boolean)
-                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
+                    predicate: ((key = key) and (value = value) and (value > 'val_9')) (type: boolean)
+                    Statistics: Num rows: 41 Data size: 435 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 41 Data size: 435 Basic stats: COMPLETE Column stats: NONE
                       Group By Operator
                         keys: _col0 (type: string), _col1 (type: string)
                         mode: hash
                         outputColumnNames: _col0, _col1
-                        Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 41 Data size: 435 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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 41 Data size: 435 Basic stats: COMPLETE Column stats: NONE
         Reducer 2 
             Reduce Operator Tree:
               Join Operator
@@ -1035,3 +1035,383 @@ POSTHOOK: query: drop table t
 POSTHOOK: type: DROPTABLE
 POSTHOOK: Input: default@t
 POSTHOOK: Output: default@t
+PREHOOK: query: drop table if exists tx1
+PREHOOK: type: DROPTABLE
+POSTHOOK: query: drop table if exists tx1
+POSTHOOK: type: DROPTABLE
+PREHOOK: query: create table tx1 (a integer,b integer)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tx1
+POSTHOOK: query: create table tx1 (a integer,b integer)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tx1
+PREHOOK: query: insert into tx1	values  (1, 1),
+                        (1, 2),
+                        (1, 3)
+PREHOOK: type: QUERY
+PREHOOK: Output: default@tx1
+POSTHOOK: query: insert into tx1	values  (1, 1),
+                        (1, 2),
+                        (1, 3)
+POSTHOOK: type: QUERY
+POSTHOOK: Output: default@tx1
+POSTHOOK: Lineage: tx1.a EXPRESSION [(values__tmp__table__3)values__tmp__table__3.FieldSchema(name:tmp_values_col1, type:string, comment:), ]
+POSTHOOK: Lineage: tx1.b EXPRESSION [(values__tmp__table__3)values__tmp__table__3.FieldSchema(name:tmp_values_col2, type:string, comment:), ]
+PREHOOK: query: select count(*) as result,3 as expected from tx1 u
+    where exists (select * from tx1 v where u.a=v.a and u.b <> v.b)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tx1
+#### A masked pattern was here ####
+POSTHOOK: query: select count(*) as result,3 as expected from tx1 u
+    where exists (select * from tx1 v where u.a=v.a and u.b <> v.b)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tx1
+#### A masked pattern was here ####
+3	3
+PREHOOK: query: explain select count(*) as result,3 as expected from tx1 u
+    where exists (select * from tx1 v where u.a=v.a and u.b <> v.b)
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select count(*) as result,3 as expected from tx1 u
+    where exists (select * from tx1 v where u.a=v.a and u.b <> v.b)
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 2), Reducer 5 (PARTITION-LEVEL SORT, 2)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
+        Reducer 5 <- Map 4 (PARTITION-LEVEL SORT, 2), Reducer 7 (PARTITION-LEVEL SORT, 2)
+        Reducer 7 <- Map 6 (GROUP, 2)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: u
+                  Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: a (type: int), b (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                    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: 9 Basic stats: COMPLETE Column stats: NONE
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: v
+                  Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: a (type: int), b (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 3 Data size: 9 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: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: _col1 (type: int)
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: u
+                  Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: a (type: int), b (type: int)
+                    outputColumnNames: a, b
+                    Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: a (type: int), b (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                      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: 9 Basic stats: COMPLETE Column stats: NONE
+        Reducer 2 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 _col0 (type: int), _col1 (type: int)
+                  1 _col0 (type: int), _col1 (type: int)
+                Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint)
+        Reducer 3 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col0 (type: bigint), 3 (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                    table:
+                        input format: org.apache.hadoop.mapred.SequenceFileInputFormat
+                        output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 5 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 _col0 (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col1, _col2, _col3
+                Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                Filter Operator
+                  predicate: (_col3 <> _col1) (type: boolean)
+                  Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: _col2 (type: int), _col3 (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: int), _col1 (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                      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: 9 Basic stats: COMPLETE Column stats: NONE
+        Reducer 7 
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: int), KEY._col1 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 3 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: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col1 (type: int)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: drop table tx1
+PREHOOK: type: DROPTABLE
+PREHOOK: Input: default@tx1
+PREHOOK: Output: default@tx1
+POSTHOOK: query: drop table tx1
+POSTHOOK: type: DROPTABLE
+POSTHOOK: Input: default@tx1
+POSTHOOK: Output: default@tx1
+PREHOOK: query: create table t1(i int, j int)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t1
+POSTHOOK: query: create table t1(i int, j int)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t1
+PREHOOK: query: insert into t1 values(4,1)
+PREHOOK: type: QUERY
+PREHOOK: Output: default@t1
+POSTHOOK: query: insert into t1 values(4,1)
+POSTHOOK: type: QUERY
+POSTHOOK: Output: default@t1
+POSTHOOK: Lineage: t1.i EXPRESSION [(values__tmp__table__4)values__tmp__table__4.FieldSchema(name:tmp_values_col1, type:string, comment:), ]
+POSTHOOK: Lineage: t1.j EXPRESSION [(values__tmp__table__4)values__tmp__table__4.FieldSchema(name:tmp_values_col2, type:string, comment:), ]
+PREHOOK: query: create table t2(i int, j int)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t2
+POSTHOOK: query: create table t2(i int, j int)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t2
+PREHOOK: query: insert into t2 values(4,2),(4,3),(4,5)
+PREHOOK: type: QUERY
+PREHOOK: Output: default@t2
+POSTHOOK: query: insert into t2 values(4,2),(4,3),(4,5)
+POSTHOOK: type: QUERY
+POSTHOOK: Output: default@t2
+POSTHOOK: Lineage: t2.i EXPRESSION [(values__tmp__table__5)values__tmp__table__5.FieldSchema(name:tmp_values_col1, type:string, comment:), ]
+POSTHOOK: Lineage: t2.j EXPRESSION [(values__tmp__table__5)values__tmp__table__5.FieldSchema(name:tmp_values_col2, type:string, comment:), ]
+Warning: Shuffle Join JOIN[12][tables = [$hdt$_1, $hdt$_2]] in Work 'Reducer 4' is a cross product
+PREHOOK: query: explain select * from t1 where t1.i in (select t2.i from t2 where t2.j <> t1.j)
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 where t1.i in (select t2.i from t2 where t2.j <> t1.j)
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 2), Reducer 4 (PARTITION-LEVEL SORT, 2)
+        Reducer 4 <- Map 3 (PARTITION-LEVEL SORT, 1), Reducer 6 (PARTITION-LEVEL SORT, 1)
+        Reducer 6 <- Map 5 (GROUP, 2)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: t1
+                  Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: i (type: int), j (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                    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: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: t2
+                  Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: i (type: int), j (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      sort order: 
+                      Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: _col0 (type: int), _col1 (type: int)
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: t1
+                  Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: j (type: int)
+                    outputColumnNames: j
+                    Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: j (type: int)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 3 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: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+        Reducer 2 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 _col0 (type: int), _col1 (type: int)
+                  1 _col0 (type: int), _col1 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 3 Data size: 23 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 3 Data size: 23 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 4 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                keys:
+                  0 
+                  1 
+                outputColumnNames: _col0, _col1, _col2
+                Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                Filter Operator
+                  predicate: (_col1 <> _col2) (type: boolean)
+                  Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: _col0 (type: int), _col2 (type: int)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: int), _col1 (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE
+                      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: 21 Basic stats: COMPLETE Column stats: NONE
+        Reducer 6 
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col0 (type: int)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+Warning: Shuffle Join JOIN[12][tables = [$hdt$_1, $hdt$_2]] in Work 'Reducer 4' is a cross product
+PREHOOK: query: select * from t1 where t1.i in (select t2.i from t2 where t2.j <> t1.j)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 where t1.i in (select t2.i from t2 where t2.j <> t1.j)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+4	1
+PREHOOK: query: drop table t1
+PREHOOK: type: DROPTABLE
+PREHOOK: Input: default@t1
+PREHOOK: Output: default@t1
+POSTHOOK: query: drop table t1
+POSTHOOK: type: DROPTABLE
+POSTHOOK: Input: default@t1
+POSTHOOK: Output: default@t1
+PREHOOK: query: drop table t2
+PREHOOK: type: DROPTABLE
+PREHOOK: Input: default@t2
+PREHOOK: Output: default@t2
+POSTHOOK: query: drop table t2
+POSTHOOK: type: DROPTABLE
+POSTHOOK: Input: default@t2
+POSTHOOK: Output: default@t2