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Posted to commits@hive.apache.org by ha...@apache.org on 2017/11/22 16:26:29 UTC

[2/8] hive git commit: HIVE-18100 : Some tests time out

http://git-wip-us.apache.org/repos/asf/hive/blob/b5ba8273/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out b/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out
deleted file mode 100644
index e5b1d74..0000000
--- a/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out
+++ /dev/null
@@ -1,2151 +0,0 @@
-PREHOOK: query: SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@src1
-#### A masked pattern was here ####
-POSTHOOK: query: SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@src1
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, z.value, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 1 <- Union 2 (CONTAINS)
-Map 13 <- Union 14 (CONTAINS)
-Map 16 <- Union 14 (CONTAINS)
-Map 8 <- Union 2 (CONTAINS)
-Reducer 10 <- Map 9 (SIMPLE_EDGE), Reducer 15 (SIMPLE_EDGE)
-Reducer 11 <- Map 17 (SIMPLE_EDGE), Reducer 10 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 15 <- Union 14 (SIMPLE_EDGE)
-Reducer 3 <- Union 2 (SIMPLE_EDGE)
-Reducer 4 <- Map 9 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
-Reducer 5 <- Map 12 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 7 <- Union 6 (SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 7
-      File Output Operator [FS_56]
-        Group By Operator [GBY_54] (rows=32/15 width=177)
-          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-        <-Union 6 [SIMPLE_EDGE]
-          <-Reducer 11 [CONTAINS]
-            Reduce Output Operator [RS_53]
-              PartitionCols:_col0, _col1
-              Select Operator [SEL_49] (rows=67/61 width=177)
-                Output:["_col0","_col1"]
-                Merge Join Operator [MERGEJOIN_82] (rows=67/61 width=177)
-                  Conds:RS_46._col2=RS_47._col0(Inner),Output:["_col1","_col2"]
-                <-Map 17 [SIMPLE_EDGE]
-                  SHUFFLE [RS_47]
-                    PartitionCols:_col0
-                    Select Operator [SEL_42] (rows=500/500 width=87)
-                      Output:["_col0"]
-                      Filter Operator [FIL_78] (rows=500/500 width=87)
-                        predicate:key is not null
-                        TableScan [TS_40] (rows=500/500 width=87)
-                          default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key"]
-                <-Reducer 10 [SIMPLE_EDGE]
-                  SHUFFLE [RS_46]
-                    PartitionCols:_col2
-                    Merge Join Operator [MERGEJOIN_81] (rows=42/52 width=177)
-                      Conds:RS_43._col1=RS_44._col1(Inner),Output:["_col1","_col2"]
-                    <-Map 9 [SIMPLE_EDGE]
-                      SHUFFLE [RS_44]
-                        PartitionCols:_col1
-                        Select Operator [SEL_14] (rows=25/25 width=175)
-                          Output:["_col0","_col1"]
-                          Filter Operator [FIL_73] (rows=25/25 width=175)
-                            predicate:(key is not null and value is not null)
-                            TableScan [TS_12] (rows=25/25 width=175)
-                              default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                    <-Reducer 15 [SIMPLE_EDGE]
-                      SHUFFLE [RS_43]
-                        PartitionCols:_col1
-                        Select Operator [SEL_36] (rows=525/319 width=178)
-                          Output:["_col1"]
-                          Group By Operator [GBY_35] (rows=525/319 width=178)
-                            Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                          <-Union 14 [SIMPLE_EDGE]
-                            <-Map 13 [CONTAINS]
-                              Reduce Output Operator [RS_34]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_27] (rows=25/25 width=175)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_75] (rows=25/25 width=175)
-                                    predicate:value is not null
-                                    TableScan [TS_25] (rows=25/25 width=175)
-                                      Output:["key","value"]
-                            <-Map 16 [CONTAINS]
-                              Reduce Output Operator [RS_34]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_30] (rows=500/500 width=178)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_76] (rows=500/500 width=178)
-                                    predicate:value is not null
-                                    TableScan [TS_28] (rows=500/500 width=178)
-                                      Output:["key","value"]
-          <-Reducer 5 [CONTAINS]
-            Reduce Output Operator [RS_53]
-              PartitionCols:_col0, _col1
-              Select Operator [SEL_24] (rows=67/61 width=177)
-                Output:["_col0","_col1"]
-                Merge Join Operator [MERGEJOIN_80] (rows=67/61 width=177)
-                  Conds:RS_21._col2=RS_22._col0(Inner),Output:["_col1","_col2"]
-                <-Map 12 [SIMPLE_EDGE]
-                  SHUFFLE [RS_22]
-                    PartitionCols:_col0
-                    Select Operator [SEL_17] (rows=500/500 width=87)
-                      Output:["_col0"]
-                      Filter Operator [FIL_74] (rows=500/500 width=87)
-                        predicate:key is not null
-                        TableScan [TS_15] (rows=500/500 width=87)
-                          default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key"]
-                <-Reducer 4 [SIMPLE_EDGE]
-                  SHUFFLE [RS_21]
-                    PartitionCols:_col2
-                    Merge Join Operator [MERGEJOIN_79] (rows=42/52 width=177)
-                      Conds:RS_18._col1=RS_19._col1(Inner),Output:["_col1","_col2"]
-                    <-Map 9 [SIMPLE_EDGE]
-                      SHUFFLE [RS_19]
-                        PartitionCols:_col1
-                         Please refer to the previous Select Operator [SEL_14]
-                    <-Reducer 3 [SIMPLE_EDGE]
-                      SHUFFLE [RS_18]
-                        PartitionCols:_col1
-                        Select Operator [SEL_11] (rows=525/319 width=178)
-                          Output:["_col1"]
-                          Group By Operator [GBY_10] (rows=525/319 width=178)
-                            Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                          <-Union 2 [SIMPLE_EDGE]
-                            <-Map 1 [CONTAINS]
-                              Reduce Output Operator [RS_9]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_2] (rows=25/25 width=175)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_71] (rows=25/25 width=175)
-                                    predicate:value is not null
-                                    TableScan [TS_0] (rows=25/25 width=175)
-                                      Output:["key","value"]
-                            <-Map 8 [CONTAINS]
-                              Reduce Output Operator [RS_9]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_5] (rows=500/500 width=178)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_72] (rows=500/500 width=178)
-                                    predicate:value is not null
-                                    TableScan [TS_3] (rows=500/500 width=178)
-                                      Output:["key","value"]
-
-PREHOOK: query: SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@src1
-#### A masked pattern was here ####
-POSTHOOK: query: SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@src1
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 1 <- Union 2 (CONTAINS)
-Map 10 <- Union 2 (CONTAINS)
-Map 17 <- Union 18 (CONTAINS)
-Map 22 <- Union 18 (CONTAINS)
-Map 23 <- Union 20 (CONTAINS)
-Map 25 <- Union 26 (CONTAINS)
-Map 32 <- Union 26 (CONTAINS)
-Map 33 <- Union 28 (CONTAINS)
-Map 34 <- Union 30 (CONTAINS)
-Reducer 12 <- Map 11 (SIMPLE_EDGE), Reducer 21 (SIMPLE_EDGE)
-Reducer 13 <- Map 24 (SIMPLE_EDGE), Reducer 12 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 14 <- Map 11 (SIMPLE_EDGE), Reducer 31 (SIMPLE_EDGE)
-Reducer 15 <- Map 16 (SIMPLE_EDGE), Reducer 14 (SIMPLE_EDGE), Union 8 (CONTAINS)
-Reducer 19 <- Union 18 (SIMPLE_EDGE), Union 20 (CONTAINS)
-Reducer 21 <- Union 20 (SIMPLE_EDGE)
-Reducer 27 <- Union 26 (SIMPLE_EDGE), Union 28 (CONTAINS)
-Reducer 29 <- Union 28 (SIMPLE_EDGE), Union 30 (CONTAINS)
-Reducer 3 <- Union 2 (SIMPLE_EDGE)
-Reducer 31 <- Union 30 (SIMPLE_EDGE)
-Reducer 4 <- Map 11 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
-Reducer 5 <- Map 16 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 7 <- Union 6 (SIMPLE_EDGE), Union 8 (CONTAINS)
-Reducer 9 <- Union 8 (SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 9
-      File Output Operator [FS_114]
-        Group By Operator [GBY_112] (rows=398/15 width=177)
-          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-        <-Union 8 [SIMPLE_EDGE]
-          <-Reducer 15 [CONTAINS]
-            Reduce Output Operator [RS_111]
-              PartitionCols:_col0, _col1
-              Select Operator [SEL_107] (rows=199/61 width=177)
-                Output:["_col0","_col1"]
-                Merge Join Operator [MERGEJOIN_162] (rows=199/61 width=177)
-                  Conds:RS_104._col2=RS_105._col0(Inner),Output:["_col2","_col5"]
-                <-Map 16 [SIMPLE_EDGE]
-                  SHUFFLE [RS_105]
-                    PartitionCols:_col0
-                    Select Operator [SEL_17] (rows=500/500 width=178)
-                      Output:["_col0","_col1"]
-                      Filter Operator [FIL_145] (rows=500/500 width=178)
-                        predicate:key is not null
-                        TableScan [TS_15] (rows=500/500 width=178)
-                          default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                <-Reducer 14 [SIMPLE_EDGE]
-                  SHUFFLE [RS_104]
-                    PartitionCols:_col2
-                    Merge Join Operator [MERGEJOIN_161] (rows=123/52 width=86)
-                      Conds:RS_101._col1=RS_102._col1(Inner),Output:["_col2"]
-                    <-Map 11 [SIMPLE_EDGE]
-                      SHUFFLE [RS_102]
-                        PartitionCols:_col1
-                        Select Operator [SEL_14] (rows=25/25 width=175)
-                          Output:["_col0","_col1"]
-                          Filter Operator [FIL_144] (rows=25/25 width=175)
-                            predicate:(key is not null and value is not null)
-                            TableScan [TS_12] (rows=25/25 width=175)
-                              default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                    <-Reducer 31 [SIMPLE_EDGE]
-                      SHUFFLE [RS_101]
-                        PartitionCols:_col1
-                        Select Operator [SEL_94] (rows=1525/319 width=178)
-                          Output:["_col1"]
-                          Group By Operator [GBY_93] (rows=1525/319 width=178)
-                            Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                          <-Union 30 [SIMPLE_EDGE]
-                            <-Map 34 [CONTAINS]
-                              Reduce Output Operator [RS_92]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_88] (rows=500/500 width=178)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_154] (rows=500/500 width=178)
-                                    predicate:value is not null
-                                    TableScan [TS_86] (rows=500/500 width=178)
-                                      Output:["key","value"]
-                            <-Reducer 29 [CONTAINS]
-                              Reduce Output Operator [RS_92]
-                                PartitionCols:_col1, _col0
-                                Select Operator [SEL_85] (rows=1025/319 width=178)
-                                  Output:["_col0","_col1"]
-                                  Group By Operator [GBY_84] (rows=1025/319 width=178)
-                                    Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                  <-Union 28 [SIMPLE_EDGE]
-                                    <-Map 33 [CONTAINS]
-                                      Reduce Output Operator [RS_83]
-                                        PartitionCols:_col1, _col0
-                                        Select Operator [SEL_79] (rows=500/500 width=178)
-                                          Output:["_col0","_col1"]
-                                          Filter Operator [FIL_153] (rows=500/500 width=178)
-                                            predicate:value is not null
-                                            TableScan [TS_77] (rows=500/500 width=178)
-                                              Output:["key","value"]
-                                    <-Reducer 27 [CONTAINS]
-                                      Reduce Output Operator [RS_83]
-                                        PartitionCols:_col1, _col0
-                                        Select Operator [SEL_76] (rows=525/319 width=178)
-                                          Output:["_col0","_col1"]
-                                          Group By Operator [GBY_75] (rows=525/319 width=178)
-                                            Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                          <-Union 26 [SIMPLE_EDGE]
-                                            <-Map 25 [CONTAINS]
-                                              Reduce Output Operator [RS_74]
-                                                PartitionCols:_col1, _col0
-                                                Select Operator [SEL_67] (rows=25/25 width=175)
-                                                  Output:["_col0","_col1"]
-                                                  Filter Operator [FIL_151] (rows=25/25 width=175)
-                                                    predicate:value is not null
-                                                    TableScan [TS_65] (rows=25/25 width=175)
-                                                      Output:["key","value"]
-                                            <-Map 32 [CONTAINS]
-                                              Reduce Output Operator [RS_74]
-                                                PartitionCols:_col1, _col0
-                                                Select Operator [SEL_70] (rows=500/500 width=178)
-                                                  Output:["_col0","_col1"]
-                                                  Filter Operator [FIL_152] (rows=500/500 width=178)
-                                                    predicate:value is not null
-                                                    TableScan [TS_68] (rows=500/500 width=178)
-                                                      Output:["key","value"]
-          <-Reducer 7 [CONTAINS]
-            Reduce Output Operator [RS_111]
-              PartitionCols:_col0, _col1
-              Group By Operator [GBY_63] (rows=199/15 width=177)
-                Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-              <-Union 6 [SIMPLE_EDGE]
-                <-Reducer 13 [CONTAINS]
-                  Reduce Output Operator [RS_62]
-                    PartitionCols:_col0, _col1
-                    Select Operator [SEL_58] (rows=132/61 width=177)
-                      Output:["_col0","_col1"]
-                      Merge Join Operator [MERGEJOIN_160] (rows=132/61 width=177)
-                        Conds:RS_55._col2=RS_56._col0(Inner),Output:["_col2","_col5"]
-                      <-Map 24 [SIMPLE_EDGE]
-                        SHUFFLE [RS_56]
-                          PartitionCols:_col0
-                          Select Operator [SEL_51] (rows=500/500 width=178)
-                            Output:["_col0","_col1"]
-                            Filter Operator [FIL_150] (rows=500/500 width=178)
-                              predicate:key is not null
-                              TableScan [TS_49] (rows=500/500 width=178)
-                                default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                      <-Reducer 12 [SIMPLE_EDGE]
-                        SHUFFLE [RS_55]
-                          PartitionCols:_col2
-                          Merge Join Operator [MERGEJOIN_159] (rows=82/52 width=86)
-                            Conds:RS_52._col1=RS_53._col1(Inner),Output:["_col2"]
-                          <-Map 11 [SIMPLE_EDGE]
-                            SHUFFLE [RS_53]
-                              PartitionCols:_col1
-                               Please refer to the previous Select Operator [SEL_14]
-                          <-Reducer 21 [SIMPLE_EDGE]
-                            SHUFFLE [RS_52]
-                              PartitionCols:_col1
-                              Select Operator [SEL_45] (rows=1025/319 width=178)
-                                Output:["_col1"]
-                                Group By Operator [GBY_44] (rows=1025/319 width=178)
-                                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                <-Union 20 [SIMPLE_EDGE]
-                                  <-Map 23 [CONTAINS]
-                                    Reduce Output Operator [RS_43]
-                                      PartitionCols:_col1, _col0
-                                      Select Operator [SEL_39] (rows=500/500 width=178)
-                                        Output:["_col0","_col1"]
-                                        Filter Operator [FIL_148] (rows=500/500 width=178)
-                                          predicate:value is not null
-                                          TableScan [TS_37] (rows=500/500 width=178)
-                                            Output:["key","value"]
-                                  <-Reducer 19 [CONTAINS]
-                                    Reduce Output Operator [RS_43]
-                                      PartitionCols:_col1, _col0
-                                      Select Operator [SEL_36] (rows=525/319 width=178)
-                                        Output:["_col0","_col1"]
-                                        Group By Operator [GBY_35] (rows=525/319 width=178)
-                                          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                        <-Union 18 [SIMPLE_EDGE]
-                                          <-Map 17 [CONTAINS]
-                                            Reduce Output Operator [RS_34]
-                                              PartitionCols:_col1, _col0
-                                              Select Operator [SEL_27] (rows=25/25 width=175)
-                                                Output:["_col0","_col1"]
-                                                Filter Operator [FIL_146] (rows=25/25 width=175)
-                                                  predicate:value is not null
-                                                  TableScan [TS_25] (rows=25/25 width=175)
-                                                    Output:["key","value"]
-                                          <-Map 22 [CONTAINS]
-                                            Reduce Output Operator [RS_34]
-                                              PartitionCols:_col1, _col0
-                                              Select Operator [SEL_30] (rows=500/500 width=178)
-                                                Output:["_col0","_col1"]
-                                                Filter Operator [FIL_147] (rows=500/500 width=178)
-                                                  predicate:value is not null
-                                                  TableScan [TS_28] (rows=500/500 width=178)
-                                                    Output:["key","value"]
-                <-Reducer 5 [CONTAINS]
-                  Reduce Output Operator [RS_62]
-                    PartitionCols:_col0, _col1
-                    Select Operator [SEL_24] (rows=67/61 width=177)
-                      Output:["_col0","_col1"]
-                      Merge Join Operator [MERGEJOIN_158] (rows=67/61 width=177)
-                        Conds:RS_21._col2=RS_22._col0(Inner),Output:["_col2","_col5"]
-                      <-Map 16 [SIMPLE_EDGE]
-                        SHUFFLE [RS_22]
-                          PartitionCols:_col0
-                           Please refer to the previous Select Operator [SEL_17]
-                      <-Reducer 4 [SIMPLE_EDGE]
-                        SHUFFLE [RS_21]
-                          PartitionCols:_col2
-                          Merge Join Operator [MERGEJOIN_157] (rows=42/52 width=86)
-                            Conds:RS_18._col1=RS_19._col1(Inner),Output:["_col2"]
-                          <-Map 11 [SIMPLE_EDGE]
-                            SHUFFLE [RS_19]
-                              PartitionCols:_col1
-                               Please refer to the previous Select Operator [SEL_14]
-                          <-Reducer 3 [SIMPLE_EDGE]
-                            SHUFFLE [RS_18]
-                              PartitionCols:_col1
-                              Select Operator [SEL_11] (rows=525/319 width=178)
-                                Output:["_col1"]
-                                Group By Operator [GBY_10] (rows=525/319 width=178)
-                                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                <-Union 2 [SIMPLE_EDGE]
-                                  <-Map 1 [CONTAINS]
-                                    Reduce Output Operator [RS_9]
-                                      PartitionCols:_col1, _col0
-                                      Select Operator [SEL_2] (rows=25/25 width=175)
-                                        Output:["_col0","_col1"]
-                                        Filter Operator [FIL_142] (rows=25/25 width=175)
-                                          predicate:value is not null
-                                          TableScan [TS_0] (rows=25/25 width=175)
-                                            Output:["key","value"]
-                                  <-Map 10 [CONTAINS]
-                                    Reduce Output Operator [RS_9]
-                                      PartitionCols:_col1, _col0
-                                      Select Operator [SEL_5] (rows=500/500 width=178)
-                                        Output:["_col0","_col1"]
-                                        Filter Operator [FIL_143] (rows=500/500 width=178)
-                                          predicate:value is not null
-                                          TableScan [TS_3] (rows=500/500 width=178)
-                                            Output:["key","value"]
-
-PREHOOK: query: CREATE TABLE srcbucket_mapjoin(key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@srcbucket_mapjoin
-POSTHOOK: query: CREATE TABLE srcbucket_mapjoin(key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@srcbucket_mapjoin
-PREHOOK: query: CREATE TABLE tab_part (key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tab_part
-POSTHOOK: query: CREATE TABLE tab_part (key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tab_part
-PREHOOK: query: CREATE TABLE srcbucket_mapjoin_part (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@srcbucket_mapjoin_part
-POSTHOOK: query: CREATE TABLE srcbucket_mapjoin_part (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@srcbucket_mapjoin_part
-PREHOOK: query: load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin
-POSTHOOK: Output: default@srcbucket_mapjoin@ds=2008-04-08
-PREHOOK: query: load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin@ds=2008-04-08
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin@ds=2008-04-08
-PREHOOK: query: load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin_part
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin_part
-POSTHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-PREHOOK: query: load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-PREHOOK: query: load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-PREHOOK: query: load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-PREHOOK: type: LOAD
-#### A masked pattern was here ####
-PREHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-POSTHOOK: query: load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08')
-POSTHOOK: type: LOAD
-#### A masked pattern was here ####
-POSTHOOK: Output: default@srcbucket_mapjoin_part@ds=2008-04-08
-PREHOOK: query: insert overwrite table tab_part partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin_part
-PREHOOK: type: QUERY
-PREHOOK: Input: default@srcbucket_mapjoin_part
-PREHOOK: Input: default@srcbucket_mapjoin_part@ds=2008-04-08
-PREHOOK: Output: default@tab_part@ds=2008-04-08
-POSTHOOK: query: insert overwrite table tab_part partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin_part
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@srcbucket_mapjoin_part
-POSTHOOK: Input: default@srcbucket_mapjoin_part@ds=2008-04-08
-POSTHOOK: Output: default@tab_part@ds=2008-04-08
-POSTHOOK: Lineage: tab_part PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin_part)srcbucket_mapjoin_part.FieldSchema(name:key, type:int, comment:null), ]
-POSTHOOK: Lineage: tab_part PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin_part)srcbucket_mapjoin_part.FieldSchema(name:value, type:string, comment:null), ]
-PREHOOK: query: CREATE TABLE tab(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tab
-POSTHOOK: query: CREATE TABLE tab(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tab
-PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin
-PREHOOK: type: QUERY
-PREHOOK: Input: default@srcbucket_mapjoin
-PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
-PREHOOK: Output: default@tab@ds=2008-04-08
-POSTHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@srcbucket_mapjoin
-POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
-POSTHOOK: Output: default@tab@ds=2008-04-08
-POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
-POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
-PREHOOK: query: CREATE TABLE tab2(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tab2
-POSTHOOK: query: CREATE TABLE tab2(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tab2
-PREHOOK: query: insert overwrite table tab2 partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin
-PREHOOK: type: QUERY
-PREHOOK: Input: default@srcbucket_mapjoin
-PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
-PREHOOK: Output: default@tab2@ds=2008-04-08
-POSTHOOK: query: insert overwrite table tab2 partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@srcbucket_mapjoin
-POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
-POSTHOOK: Output: default@tab2@ds=2008-04-08
-POSTHOOK: Lineage: tab2 PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
-POSTHOOK: Lineage: tab2 PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
-PREHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Map 1
-      File Output Operator [FS_10]
-        Merge Join Operator [MERGEJOIN_15] (rows=253/480 width=190)
-          Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col0","_col1"]
-        <-Select Operator [SEL_5] (rows=230/242 width=14)
-            Output:["_col0"]
-            Filter Operator [FIL_14] (rows=230/242 width=14)
-              predicate:key is not null
-              TableScan [TS_3] (rows=242/242 width=14)
-                default@tab,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-        <-Select Operator [SEL_2] (rows=230/242 width=190)
-            Output:["_col0","_col1"]
-            Filter Operator [FIL_13] (rows=230/242 width=190)
-              predicate:key is not null
-              TableScan [TS_0] (rows=242/242 width=190)
-                default@tab,s1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
-
-PREHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 2
-      File Output Operator [FS_16]
-        Select Operator [SEL_15] (rows=278/1166 width=3)
-          Output:["_col0","_col1"]
-          Merge Join Operator [MERGEJOIN_27] (rows=278/1166 width=3)
-            Conds:RS_12._col2=RS_13._col1(Inner),Output:["_col1","_col2"]
-          <-Map 1 [SIMPLE_EDGE]
-            SHUFFLE [RS_12]
-              PartitionCols:_col2
-              Merge Join Operator [MERGEJOIN_25] (rows=253/480 width=3)
-                Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col1","_col2"]
-              <-Select Operator [SEL_5] (rows=218/242 width=179)
-                  Output:["_col0","_col1"]
-                  Filter Operator [FIL_23] (rows=218/242 width=179)
-                    predicate:(key is not null and value is not null)
-                    TableScan [TS_3] (rows=242/242 width=179)
-                      default@tab,s1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
-              <-Select Operator [SEL_2] (rows=230/242 width=3)
-                  Output:["_col0"]
-                  Filter Operator [FIL_22] (rows=230/242 width=3)
-                    predicate:key is not null
-                    TableScan [TS_0] (rows=242/242 width=3)
-                      default@tab,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-          <-Map 4 [SIMPLE_EDGE]
-            SHUFFLE [RS_13]
-              PartitionCols:_col1
-              Select Operator [SEL_8] (rows=230/242 width=175)
-                Output:["_col1"]
-                Filter Operator [FIL_24] (rows=230/242 width=175)
-                  predicate:value is not null
-                  TableScan [TS_6] (rows=242/242 width=175)
-                    default@tab,s2,Tbl:COMPLETE,Col:NONE,Output:["value"]
-
-PREHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab2
-PREHOOK: Input: default@tab2@ds=2008-04-08
-PREHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab2
-POSTHOOK: Input: default@tab2@ds=2008-04-08
-POSTHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Map 1
-      File Output Operator [FS_10]
-        Merge Join Operator [MERGEJOIN_15] (rows=253/480 width=190)
-          Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col0","_col1"]
-        <-Select Operator [SEL_5] (rows=230/242 width=14)
-            Output:["_col0"]
-            Filter Operator [FIL_14] (rows=230/242 width=14)
-              predicate:key is not null
-              TableScan [TS_3] (rows=242/242 width=14)
-                default@tab2,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-        <-Select Operator [SEL_2] (rows=230/242 width=190)
-            Output:["_col0","_col1"]
-            Filter Operator [FIL_13] (rows=230/242 width=190)
-              predicate:key is not null
-              TableScan [TS_0] (rows=242/242 width=190)
-                default@tab,s1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
-
-PREHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key join tab2 s2 on s1.value=s2.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab2
-PREHOOK: Input: default@tab2@ds=2008-04-08
-PREHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key join tab2 s2 on s1.value=s2.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab2
-POSTHOOK: Input: default@tab2@ds=2008-04-08
-POSTHOOK: Input: default@tab@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key join tab2 s2 on s1.value=s2.value
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze 
-select s1.key as key, s1.value as value from tab s1 join tab2 s3 on s1.key=s3.key join tab2 s2 on s1.value=s2.value
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 2
-      File Output Operator [FS_16]
-        Select Operator [SEL_15] (rows=278/1166 width=3)
-          Output:["_col0","_col1"]
-          Merge Join Operator [MERGEJOIN_27] (rows=278/1166 width=3)
-            Conds:RS_12._col2=RS_13._col1(Inner),Output:["_col1","_col2"]
-          <-Map 1 [SIMPLE_EDGE]
-            SHUFFLE [RS_12]
-              PartitionCols:_col2
-              Merge Join Operator [MERGEJOIN_25] (rows=253/480 width=3)
-                Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col1","_col2"]
-              <-Select Operator [SEL_5] (rows=218/242 width=179)
-                  Output:["_col0","_col1"]
-                  Filter Operator [FIL_23] (rows=218/242 width=179)
-                    predicate:(key is not null and value is not null)
-                    TableScan [TS_3] (rows=242/242 width=179)
-                      default@tab,s1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
-              <-Select Operator [SEL_2] (rows=230/242 width=3)
-                  Output:["_col0"]
-                  Filter Operator [FIL_22] (rows=230/242 width=3)
-                    predicate:key is not null
-                    TableScan [TS_0] (rows=242/242 width=3)
-                      default@tab2,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-          <-Map 4 [SIMPLE_EDGE]
-            SHUFFLE [RS_13]
-              PartitionCols:_col1
-              Select Operator [SEL_8] (rows=230/242 width=175)
-                Output:["_col1"]
-                Filter Operator [FIL_24] (rows=230/242 width=175)
-                  predicate:value is not null
-                  TableScan [TS_6] (rows=242/242 width=175)
-                    default@tab2,s2,Tbl:COMPLETE,Col:NONE,Output:["value"]
-
-PREHOOK: query: select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab@ds=2008-04-08
-PREHOOK: Input: default@tab_part
-PREHOOK: Input: default@tab_part@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab@ds=2008-04-08
-POSTHOOK: Input: default@tab_part
-POSTHOOK: Input: default@tab_part@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 1 <- Union 2 (CONTAINS)
-Map 6 <- Union 2 (CONTAINS)
-Reducer 3 <- Map 7 (SIMPLE_EDGE), Union 2 (SIMPLE_EDGE)
-Reducer 4 <- Reducer 3 (CUSTOM_SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 4
-      File Output Operator [FS_25]
-        Group By Operator [GBY_23] (rows=1/1 width=8)
-          Output:["_col0"],aggregations:["count()"]
-        <-Reducer 3 [CUSTOM_SIMPLE_EDGE]
-          PARTITION_ONLY_SHUFFLE [RS_22]
-            Merge Join Operator [MERGEJOIN_38] (rows=531/1646 width=3)
-              Conds:Union 2._col0=RS_19._col0(Inner)
-            <-Map 7 [SIMPLE_EDGE]
-              SHUFFLE [RS_19]
-                PartitionCols:_col0
-                Select Operator [SEL_17] (rows=475/500 width=3)
-                  Output:["_col0"]
-                  Filter Operator [FIL_35] (rows=475/500 width=3)
-                    predicate:key is not null
-                    TableScan [TS_15] (rows=500/500 width=3)
-                      default@tab_part,b,Tbl:COMPLETE,Col:NONE,Output:["key"]
-            <-Union 2 [SIMPLE_EDGE]
-              <-Map 1 [CONTAINS]
-                Reduce Output Operator [RS_18]
-                  PartitionCols:_col0
-                  Merge Join Operator [MERGEJOIN_36] (rows=253/480 width=3)
-                    Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col0"]
-                  <-Select Operator [SEL_5] (rows=230/242 width=3)
-                      Output:["_col0"]
-                      Filter Operator [FIL_33] (rows=230/242 width=3)
-                        predicate:key is not null
-                        TableScan [TS_3] (rows=242/242 width=3)
-                          default@tab,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-                  <-Select Operator [SEL_2] (rows=230/242 width=3)
-                      Output:["_col0"]
-                      Filter Operator [FIL_32] (rows=230/242 width=3)
-                        predicate:key is not null
-                        TableScan [TS_0] (rows=242/242 width=3)
-                          Output:["key"]
-              <-Map 6 [CONTAINS]
-                Reduce Output Operator [RS_18]
-                  PartitionCols:_col0
-                  Select Operator [SEL_12] (rows=230/242 width=3)
-                    Output:["_col0"]
-                    Filter Operator [FIL_34] (rows=230/242 width=3)
-                      predicate:key is not null
-                      TableScan [TS_10] (rows=242/242 width=3)
-                        Output:["key"]
-
-PREHOOK: query: select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tab
-PREHOOK: Input: default@tab@ds=2008-04-08
-PREHOOK: Input: default@tab_part
-PREHOOK: Input: default@tab_part@ds=2008-04-08
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tab
-POSTHOOK: Input: default@tab@ds=2008-04-08
-POSTHOOK: Input: default@tab_part
-POSTHOOK: Input: default@tab_part@ds=2008-04-08
-#### A masked pattern was here ####
-PREHOOK: query: explain analyze
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key join tab s2 on s1.value=s2.value
-UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key)
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 8 <- Union 3 (CONTAINS)
-Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 7 (SIMPLE_EDGE), Union 3 (CONTAINS)
-Reducer 4 <- Map 9 (SIMPLE_EDGE), Union 3 (SIMPLE_EDGE)
-Reducer 5 <- Reducer 4 (CUSTOM_SIMPLE_EDGE)
-
-Stage-0
-  Fetch Operator
-    limit:-1
-    Stage-1
-      Reducer 5
-      File Output Operator [FS_31]
-        Group By Operator [GBY_29] (rows=1/1 width=8)
-          Output:["_col0"],aggregations:["count()"]
-        <-Reducer 4 [CUSTOM_SIMPLE_EDGE]
-          PARTITION_ONLY_SHUFFLE [RS_28]
-            Merge Join Operator [MERGEJOIN_50] (rows=558/3768 width=3)
-              Conds:Union 3._col0=RS_25._col0(Inner)
-            <-Map 9 [SIMPLE_EDGE]
-              SHUFFLE [RS_25]
-                PartitionCols:_col0
-                Select Operator [SEL_23] (rows=475/500 width=3)
-                  Output:["_col0"]
-                  Filter Operator [FIL_46] (rows=475/500 width=3)
-                    predicate:key is not null
-                    TableScan [TS_21] (rows=500/500 width=3)
-                      default@tab_part,b,Tbl:COMPLETE,Col:NONE,Output:["key"]
-            <-Union 3 [SIMPLE_EDGE]
-              <-Map 8 [CONTAINS]
-                Reduce Output Operator [RS_24]
-                  PartitionCols:_col0
-                  Select Operator [SEL_18] (rows=230/242 width=3)
-                    Output:["_col0"]
-                    Filter Operator [FIL_45] (rows=230/242 width=3)
-                      predicate:key is not null
-                      TableScan [TS_16] (rows=242/242 width=3)
-                        Output:["key"]
-              <-Reducer 2 [CONTAINS]
-                Reduce Output Operator [RS_24]
-                  PartitionCols:_col0
-                  Select Operator [SEL_15] (rows=278/1166 width=3)
-                    Output:["_col0"]
-                    Merge Join Operator [MERGEJOIN_49] (rows=278/1166 width=3)
-                      Conds:RS_12._col2=RS_13._col1(Inner),Output:["_col1"]
-                    <-Map 1 [SIMPLE_EDGE]
-                      SHUFFLE [RS_12]
-                        PartitionCols:_col2
-                        Merge Join Operator [MERGEJOIN_47] (rows=253/480 width=3)
-                          Conds:SEL_2._col0=SEL_5._col0(Inner),Output:["_col1","_col2"]
-                        <-Select Operator [SEL_5] (rows=218/242 width=179)
-                            Output:["_col0","_col1"]
-                            Filter Operator [FIL_43] (rows=218/242 width=179)
-                              predicate:(key is not null and value is not null)
-                              TableScan [TS_3] (rows=242/242 width=179)
-                                default@tab,s1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
-                        <-Select Operator [SEL_2] (rows=230/242 width=3)
-                            Output:["_col0"]
-                            Filter Operator [FIL_42] (rows=230/242 width=3)
-                              predicate:key is not null
-                              TableScan [TS_0] (rows=242/242 width=3)
-                                default@tab,s3,Tbl:COMPLETE,Col:NONE,Output:["key"]
-                    <-Map 7 [SIMPLE_EDGE]
-                      SHUFFLE [RS_13]
-                        PartitionCols:_col1
-                        Select Operator [SEL_8] (rows=230/242 width=175)
-                          Output:["_col1"]
-                          Filter Operator [FIL_44] (rows=230/242 width=175)
-                            predicate:value is not null
-                            TableScan [TS_6] (rows=242/242 width=175)
-                              default@tab,s2,Tbl:COMPLETE,Col:NONE,Output:["value"]
-
-PREHOOK: query: CREATE TABLE a(key STRING, value STRING) STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@a
-POSTHOOK: query: CREATE TABLE a(key STRING, value STRING) STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@a
-PREHOOK: query: CREATE TABLE b(key STRING, value STRING) STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@b
-POSTHOOK: query: CREATE TABLE b(key STRING, value STRING) STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@b
-PREHOOK: query: CREATE TABLE c(key STRING, value STRING) STORED AS TEXTFILE
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@c
-POSTHOOK: query: CREATE TABLE c(key STRING, value STRING) STORED AS TEXTFILE
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@c
-PREHOOK: query: from
-(
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union all select * from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@src1
-PREHOOK: Output: default@a
-PREHOOK: Output: default@b
-PREHOOK: Output: default@c
-POSTHOOK: query: from
-(
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union all select * from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@src1
-POSTHOOK: Output: default@a
-POSTHOOK: Output: default@b
-POSTHOOK: Output: default@c
-PREHOOK: query: explain analyze
-from
-(
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union all select * from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-from
-(
-SELECT x.key, y.value
-FROM src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union all select * from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-union all
-SELECT x.key, y.value
-FROM src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union all select key, value from src union all select key, value from src union all select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 1 <- Union 2 (CONTAINS)
-Map 13 <- Union 14 (CONTAINS)
-Map 15 <- Union 14 (CONTAINS)
-Map 16 <- Union 14 (CONTAINS)
-Map 19 <- Union 20 (CONTAINS)
-Map 21 <- Union 20 (CONTAINS)
-Map 22 <- Union 20 (CONTAINS)
-Map 23 <- Union 20 (CONTAINS)
-Map 6 <- Union 2 (CONTAINS)
-Reducer 11 <- Map 10 (SIMPLE_EDGE), Union 14 (SIMPLE_EDGE)
-Reducer 12 <- Map 17 (SIMPLE_EDGE), Reducer 11 (SIMPLE_EDGE), Union 5 (CONTAINS)
-Reducer 3 <- Map 7 (SIMPLE_EDGE), Union 2 (SIMPLE_EDGE)
-Reducer 4 <- Map 10 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE), Union 5 (CONTAINS)
-Reducer 8 <- Map 18 (SIMPLE_EDGE), Map 7 (SIMPLE_EDGE)
-Reducer 9 <- Reducer 8 (SIMPLE_EDGE), Union 20 (SIMPLE_EDGE), Union 5 (CONTAINS)
-
-Stage-5
-  Stats Work{}
-    Stage-0
-      Move Operator
-        table:{"name:":"default.a"}
-        Stage-4
-          Dependency Collection{}
-            Stage-3
-              Union 5
-              <-Reducer 12 [CONTAINS]
-                File Output Operator [FS_75]
-                  table:{"name:":"default.a"}
-                  Select Operator [SEL_44] (rows=2682/5421 width=178)
-                    Output:["_col0","_col1"]
-                    Merge Join Operator [MERGEJOIN_122] (rows=2682/5421 width=178)
-                      Conds:RS_41._col1=RS_42._col0(Inner),Output:["_col1","_col4"]
-                    <-Map 17 [SIMPLE_EDGE]
-                      SHUFFLE [RS_42]
-                        PartitionCols:_col0
-                        Select Operator [SEL_37] (rows=500/500 width=178)
-                          Output:["_col0","_col1"]
-                          Filter Operator [FIL_112] (rows=500/500 width=178)
-                            predicate:key is not null
-                            TableScan [TS_35] (rows=500/500 width=178)
-                              default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                    <-Reducer 11 [SIMPLE_EDGE]
-                      SHUFFLE [RS_41]
-                        PartitionCols:_col1
-                        Merge Join Operator [MERGEJOIN_121] (rows=1658/2097 width=87)
-                          Conds:Union 14._col0=RS_39._col1(Inner),Output:["_col1"]
-                        <-Map 10 [SIMPLE_EDGE]
-                          SHUFFLE [RS_39]
-                            PartitionCols:_col1
-                            Select Operator [SEL_34] (rows=500/500 width=178)
-                              Output:["_col0","_col1"]
-                              Filter Operator [FIL_111] (rows=500/500 width=178)
-                                predicate:(key is not null and value is not null)
-                                TableScan [TS_11] (rows=500/500 width=178)
-                                  default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                        <-Union 14 [SIMPLE_EDGE]
-                          <-Map 13 [CONTAINS]
-                            Reduce Output Operator [RS_38]
-                              PartitionCols:_col0
-                              Select Operator [SEL_23] (rows=25/25 width=89)
-                                Output:["_col0"]
-                                Filter Operator [FIL_108] (rows=25/25 width=89)
-                                  predicate:value is not null
-                                  TableScan [TS_21] (rows=25/25 width=89)
-                                    Output:["value"]
-                          <-Map 15 [CONTAINS]
-                            Reduce Output Operator [RS_38]
-                              PartitionCols:_col0
-                              Select Operator [SEL_26] (rows=500/500 width=91)
-                                Output:["_col0"]
-                                Filter Operator [FIL_109] (rows=500/500 width=91)
-                                  predicate:value is not null
-                                  TableScan [TS_24] (rows=500/500 width=91)
-                                    Output:["value"]
-                          <-Map 16 [CONTAINS]
-                            Reduce Output Operator [RS_38]
-                              PartitionCols:_col0
-                              Select Operator [SEL_30] (rows=500/500 width=91)
-                                Output:["_col0"]
-                                Filter Operator [FIL_110] (rows=500/500 width=91)
-                                  predicate:value is not null
-                                  TableScan [TS_28] (rows=500/500 width=91)
-                                    Output:["value"]
-                File Output Operator [FS_77]
-                  table:{"name:":"default.b"}
-                   Please refer to the previous Select Operator [SEL_44]
-                File Output Operator [FS_79]
-                  table:{"name:":"default.c"}
-                   Please refer to the previous Select Operator [SEL_44]
-              <-Reducer 4 [CONTAINS]
-                File Output Operator [FS_75]
-                  table:{"name:":"default.a"}
-                  Select Operator [SEL_20] (rows=67/170 width=177)
-                    Output:["_col0","_col1"]
-                    Merge Join Operator [MERGEJOIN_120] (rows=67/170 width=177)
-                      Conds:RS_17._col1=RS_18._col0(Inner),Output:["_col1","_col4"]
-                    <-Map 10 [SIMPLE_EDGE]
-                      SHUFFLE [RS_18]
-                        PartitionCols:_col0
-                        Select Operator [SEL_13] (rows=500/500 width=178)
-                          Output:["_col0","_col1"]
-                          Filter Operator [FIL_107] (rows=500/500 width=178)
-                            predicate:key is not null
-                             Please refer to the previous TableScan [TS_11]
-                    <-Reducer 3 [SIMPLE_EDGE]
-                      SHUFFLE [RS_17]
-                        PartitionCols:_col1
-                        Merge Join Operator [MERGEJOIN_119] (rows=42/108 width=86)
-                          Conds:Union 2._col0=RS_15._col1(Inner),Output:["_col1"]
-                        <-Map 7 [SIMPLE_EDGE]
-                          SHUFFLE [RS_15]
-                            PartitionCols:_col1
-                            Select Operator [SEL_10] (rows=25/25 width=175)
-                              Output:["_col0","_col1"]
-                              Filter Operator [FIL_106] (rows=25/25 width=175)
-                                predicate:(key is not null and value is not null)
-                                TableScan [TS_8] (rows=25/25 width=175)
-                                  default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                        <-Union 2 [SIMPLE_EDGE]
-                          <-Map 1 [CONTAINS]
-                            Reduce Output Operator [RS_14]
-                              PartitionCols:_col0
-                              Select Operator [SEL_2] (rows=25/25 width=89)
-                                Output:["_col0"]
-                                Filter Operator [FIL_104] (rows=25/25 width=89)
-                                  predicate:value is not null
-                                  TableScan [TS_0] (rows=25/25 width=89)
-                                    Output:["value"]
-                          <-Map 6 [CONTAINS]
-                            Reduce Output Operator [RS_14]
-                              PartitionCols:_col0
-                              Select Operator [SEL_5] (rows=500/500 width=91)
-                                Output:["_col0"]
-                                Filter Operator [FIL_105] (rows=500/500 width=91)
-                                  predicate:value is not null
-                                  TableScan [TS_3] (rows=500/500 width=91)
-                                    Output:["value"]
-                File Output Operator [FS_77]
-                  table:{"name:":"default.b"}
-                   Please refer to the previous Select Operator [SEL_20]
-                File Output Operator [FS_79]
-                  table:{"name:":"default.c"}
-                   Please refer to the previous Select Operator [SEL_20]
-              <-Reducer 9 [CONTAINS]
-                File Output Operator [FS_75]
-                  table:{"name:":"default.a"}
-                  Select Operator [SEL_72] (rows=192/820 width=175)
-                    Output:["_col0","_col1"]
-                    Merge Join Operator [MERGEJOIN_124] (rows=192/820 width=175)
-                      Conds:RS_69._col1=Union 20._col0(Inner),Output:["_col0","_col3"]
-                    <-Reducer 8 [SIMPLE_EDGE]
-                      SHUFFLE [RS_69]
-                        PartitionCols:_col1
-                        Merge Join Operator [MERGEJOIN_123] (rows=39/115 width=264)
-                          Conds:RS_66._col0=RS_67._col0(Inner),Output:["_col0","_col1","_col3"]
-                        <-Map 7 [SIMPLE_EDGE]
-                          SHUFFLE [RS_66]
-                            PartitionCols:_col0
-                             Please refer to the previous Select Operator [SEL_10]
-                        <-Map 18 [SIMPLE_EDGE]
-                          SHUFFLE [RS_67]
-                            PartitionCols:_col0
-                            Select Operator [SEL_51] (rows=25/25 width=175)
-                              Output:["_col0","_col1"]
-                              Filter Operator [FIL_114] (rows=25/25 width=175)
-                                predicate:key is not null
-                                TableScan [TS_49] (rows=25/25 width=175)
-                                  default@src1,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                    <-Union 20 [SIMPLE_EDGE]
-                      <-Map 19 [CONTAINS]
-                        Reduce Output Operator [RS_70]
-                          PartitionCols:_col0
-                          Select Operator [SEL_54] (rows=25/25 width=89)
-                            Output:["_col0"]
-                            Filter Operator [FIL_115] (rows=25/25 width=89)
-                              predicate:value is not null
-                              TableScan [TS_52] (rows=25/25 width=89)
-                                Output:["value"]
-                      <-Map 21 [CONTAINS]
-                        Reduce Output Operator [RS_70]
-                          PartitionCols:_col0
-                          Select Operator [SEL_57] (rows=500/500 width=91)
-                            Output:["_col0"]
-                            Filter Operator [FIL_116] (rows=500/500 width=91)
-                              predicate:value is not null
-                              TableScan [TS_55] (rows=500/500 width=91)
-                                Output:["value"]
-                      <-Map 22 [CONTAINS]
-                        Reduce Output Operator [RS_70]
-                          PartitionCols:_col0
-                          Select Operator [SEL_61] (rows=500/500 width=91)
-                            Output:["_col0"]
-                            Filter Operator [FIL_117] (rows=500/500 width=91)
-                              predicate:value is not null
-                              TableScan [TS_59] (rows=500/500 width=91)
-                                Output:["value"]
-                      <-Map 23 [CONTAINS]
-                        Reduce Output Operator [RS_70]
-                          PartitionCols:_col0
-                          Select Operator [SEL_64] (rows=500/500 width=91)
-                            Output:["_col0"]
-                            Filter Operator [FIL_118] (rows=500/500 width=91)
-                              predicate:value is not null
-                              TableScan [TS_62] (rows=500/500 width=91)
-                                Output:["value"]
-                File Output Operator [FS_77]
-                  table:{"name:":"default.b"}
-                   Please refer to the previous Select Operator [SEL_72]
-                File Output Operator [FS_79]
-                  table:{"name:":"default.c"}
-                   Please refer to the previous Select Operator [SEL_72]
-Stage-6
-  Stats Work{}
-    Stage-1
-      Move Operator
-        table:{"name:":"default.b"}
-         Please refer to the previous Stage-4
-Stage-7
-  Stats Work{}
-    Stage-2
-      Move Operator
-        table:{"name:":"default.c"}
-         Please refer to the previous Stage-4
-
-PREHOOK: query: FROM
-( 
-SELECT x.key as key, y.value as value from src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value) 
-union
-SELECT x.key as key, y.value as value from src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key as key, y.value as value from src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@src1
-PREHOOK: Output: default@a
-PREHOOK: Output: default@b
-PREHOOK: Output: default@c
-POSTHOOK: query: FROM
-( 
-SELECT x.key as key, y.value as value from src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value) 
-union
-SELECT x.key as key, y.value as value from src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key as key, y.value as value from src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@src1
-POSTHOOK: Output: default@a
-POSTHOOK: Output: default@b
-POSTHOOK: Output: default@c
-PREHOOK: query: explain analyze
-FROM
-( 
-SELECT x.key as key, y.value as value from src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value) 
-union
-SELECT x.key as key, y.value as value from src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key as key, y.value as value from src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-PREHOOK: type: QUERY
-POSTHOOK: query: explain analyze
-FROM
-( 
-SELECT x.key as key, y.value as value from src1 x JOIN src y ON (x.key = y.key) 
-JOIN (select * from src1 union select * from src)z ON (x.value = z.value) 
-union
-SELECT x.key as key, y.value as value from src x JOIN src y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src)z ON (x.value = z.value)
-union
-SELECT x.key as key, y.value as value from src1 x JOIN src1 y ON (x.key = y.key) 
-JOIN (select key, value from src1 union select key, value from src union select key, value from src union select key, value from src)z ON (x.value = z.value)
-) tmp
-INSERT OVERWRITE TABLE a SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE b SELECT tmp.key, tmp.value
-INSERT OVERWRITE TABLE c SELECT tmp.key, tmp.value
-POSTHOOK: type: QUERY
-Plan optimized by CBO.
-
-Vertex dependency in root stage
-Map 1 <- Union 2 (CONTAINS)
-Map 10 <- Union 2 (CONTAINS)
-Map 17 <- Union 18 (CONTAINS)
-Map 22 <- Union 18 (CONTAINS)
-Map 23 <- Union 20 (CONTAINS)
-Map 26 <- Union 27 (CONTAINS)
-Map 33 <- Union 27 (CONTAINS)
-Map 34 <- Union 29 (CONTAINS)
-Map 35 <- Union 31 (CONTAINS)
-Reducer 12 <- Map 11 (SIMPLE_EDGE), Map 25 (SIMPLE_EDGE)
-Reducer 13 <- Reducer 12 (SIMPLE_EDGE), Reducer 32 (SIMPLE_EDGE), Union 8 (CONTAINS)
-Reducer 15 <- Map 14 (SIMPLE_EDGE), Reducer 21 (SIMPLE_EDGE)
-Reducer 16 <- Map 24 (SIMPLE_EDGE), Reducer 15 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 19 <- Union 18 (SIMPLE_EDGE), Union 20 (CONTAINS)
-Reducer 21 <- Union 20 (SIMPLE_EDGE)
-Reducer 28 <- Union 27 (SIMPLE_EDGE), Union 29 (CONTAINS)
-Reducer 3 <- Union 2 (SIMPLE_EDGE)
-Reducer 30 <- Union 29 (SIMPLE_EDGE), Union 31 (CONTAINS)
-Reducer 32 <- Union 31 (SIMPLE_EDGE)
-Reducer 4 <- Map 11 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
-Reducer 5 <- Map 14 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE), Union 6 (CONTAINS)
-Reducer 7 <- Union 6 (SIMPLE_EDGE), Union 8 (CONTAINS)
-Reducer 9 <- Union 8 (SIMPLE_EDGE)
-
-Stage-5
-  Stats Work{}
-    Stage-0
-      Move Operator
-        table:{"name:":"default.a"}
-        Stage-4
-          Dependency Collection{}
-            Stage-3
-              Reducer 9
-              File Output Operator [FS_115]
-                table:{"name:":"default.a"}
-                Group By Operator [GBY_112] (rows=2941/319 width=178)
-                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                <-Union 8 [SIMPLE_EDGE]
-                  <-Reducer 13 [CONTAINS]
-                    Reduce Output Operator [RS_111]
-                      PartitionCols:_col0, _col1
-                      Select Operator [SEL_107] (rows=192/304 width=175)
-                        Output:["_col0","_col1"]
-                        Merge Join Operator [MERGEJOIN_164] (rows=192/304 width=175)
-                          Conds:RS_104._col1=RS_105._col1(Inner),Output:["_col0","_col3"]
-                        <-Reducer 12 [SIMPLE_EDGE]
-                          SHUFFLE [RS_104]
-                            PartitionCols:_col1
-                            Merge Join Operator [MERGEJOIN_163] (rows=39/115 width=264)
-                              Conds:RS_101._col0=RS_102._col0(Inner),Output:["_col0","_col1","_col3"]
-                            <-Map 11 [SIMPLE_EDGE]
-                              SHUFFLE [RS_101]
-                                PartitionCols:_col0
-                                Select Operator [SEL_14] (rows=25/25 width=175)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_146] (rows=25/25 width=175)
-                                    predicate:(key is not null and value is not null)
-                                    TableScan [TS_12] (rows=25/25 width=175)
-                                      default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                            <-Map 25 [SIMPLE_EDGE]
-                              SHUFFLE [RS_102]
-                                PartitionCols:_col0
-                                Select Operator [SEL_70] (rows=25/25 width=175)
-                                  Output:["_col0","_col1"]
-                                  Filter Operator [FIL_154] (rows=25/25 width=175)
-                                    predicate:key is not null
-                                    TableScan [TS_68] (rows=25/25 width=175)
-                                      default@src1,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                        <-Reducer 32 [SIMPLE_EDGE]
-                          SHUFFLE [RS_105]
-                            PartitionCols:_col1
-                            Select Operator [SEL_100] (rows=1525/319 width=178)
-                              Output:["_col1"]
-                              Group By Operator [GBY_99] (rows=1525/319 width=178)
-                                Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                              <-Union 31 [SIMPLE_EDGE]
-                                <-Map 35 [CONTAINS]
-                                  Reduce Output Operator [RS_98]
-                                    PartitionCols:_col1, _col0
-                                    Select Operator [SEL_94] (rows=500/500 width=178)
-                                      Output:["_col0","_col1"]
-                                      Filter Operator [FIL_158] (rows=500/500 width=178)
-                                        predicate:value is not null
-                                        TableScan [TS_92] (rows=500/500 width=178)
-                                          Output:["key","value"]
-                                <-Reducer 30 [CONTAINS]
-                                  Reduce Output Operator [RS_98]
-                                    PartitionCols:_col1, _col0
-                                    Select Operator [SEL_91] (rows=1025/319 width=178)
-                                      Output:["_col0","_col1"]
-                                      Group By Operator [GBY_90] (rows=1025/319 width=178)
-                                        Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                      <-Union 29 [SIMPLE_EDGE]
-                                        <-Map 34 [CONTAINS]
-                                          Reduce Output Operator [RS_89]
-                                            PartitionCols:_col1, _col0
-                                            Select Operator [SEL_85] (rows=500/500 width=178)
-                                              Output:["_col0","_col1"]
-                                              Filter Operator [FIL_157] (rows=500/500 width=178)
-                                                predicate:value is not null
-                                                TableScan [TS_83] (rows=500/500 width=178)
-                                                  Output:["key","value"]
-                                        <-Reducer 28 [CONTAINS]
-                                          Reduce Output Operator [RS_89]
-                                            PartitionCols:_col1, _col0
-                                            Select Operator [SEL_82] (rows=525/319 width=178)
-                                              Output:["_col0","_col1"]
-                                              Group By Operator [GBY_81] (rows=525/319 width=178)
-                                                Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                              <-Union 27 [SIMPLE_EDGE]
-                                                <-Map 26 [CONTAINS]
-                                                  Reduce Output Operator [RS_80]
-                                                    PartitionCols:_col1, _col0
-                                                    Select Operator [SEL_73] (rows=25/25 width=175)
-                                                      Output:["_col0","_col1"]
-                                                      Filter Operator [FIL_155] (rows=25/25 width=175)
-                                                        predicate:value is not null
-                                                        TableScan [TS_71] (rows=25/25 width=175)
-                                                          Output:["key","value"]
-                                                <-Map 33 [CONTAINS]
-                                                  Reduce Output Operator [RS_80]
-                                                    PartitionCols:_col1, _col0
-                                                    Select Operator [SEL_76] (rows=500/500 width=178)
-                                                      Output:["_col0","_col1"]
-                                                      Filter Operator [FIL_156] (rows=500/500 width=178)
-                                                        predicate:value is not null
-                                                        TableScan [TS_74] (rows=500/500 width=178)
-                                                          Output:["key","value"]
-                  <-Reducer 7 [CONTAINS]
-                    Reduce Output Operator [RS_111]
-                      PartitionCols:_col0, _col1
-                      Group By Operator [GBY_63] (rows=2749/309 width=178)
-                        Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                      <-Union 6 [SIMPLE_EDGE]
-                        <-Reducer 16 [CONTAINS]
-                          Reduce Output Operator [RS_62]
-                            PartitionCols:_col0, _col1
-                            Select Operator [SEL_58] (rows=2682/1056 width=178)
-                              Output:["_col0","_col1"]
-                              Merge Join Operator [MERGEJOIN_162] (rows=2682/1056 width=178)
-                                Conds:RS_55._col2=RS_56._col0(Inner),Output:["_col2","_col5"]
-                              <-Map 24 [SIMPLE_EDGE]
-                                SHUFFLE [RS_56]
-                                  PartitionCols:_col0
-                                  Select Operator [SEL_51] (rows=500/500 width=178)
-                                    Output:["_col0","_col1"]
-                                    Filter Operator [FIL_152] (rows=500/500 width=178)
-                                      predicate:key is not null
-                                      TableScan [TS_49] (rows=500/500 width=178)
-                                        default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                              <-Reducer 15 [SIMPLE_EDGE]
-                                SHUFFLE [RS_55]
-                                  PartitionCols:_col2
-                                  Merge Join Operator [MERGEJOIN_161] (rows=1658/512 width=87)
-                                    Conds:RS_52._col1=RS_53._col1(Inner),Output:["_col2"]
-                                  <-Map 14 [SIMPLE_EDGE]
-                                    SHUFFLE [RS_53]
-                                      PartitionCols:_col1
-                                      Select Operator [SEL_48] (rows=500/500 width=178)
-                                        Output:["_col0","_col1"]
-                                        Filter Operator [FIL_151] (rows=500/500 width=178)
-                                          predicate:(key is not null and value is not null)
-                                          TableScan [TS_15] (rows=500/500 width=178)
-                                            default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
-                                  <-Reducer 21 [SIMPLE_EDGE]
-                                    SHUFFLE [RS_52]
-                                      PartitionCols:_col1
-                                      Select Operator [SEL_45] (rows=1025/319 width=178)
-                                        Output:["_col1"]
-                                        Group By Operator [GBY_44] (rows=1025/319 width=178)
-                                          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                        <-Union 20 [SIMPLE_EDGE]
-                                          <-Map 23 [CONTAINS]
-                                            Reduce Output Operator [RS_43]
-                                              PartitionCols:_col1, _col0
-                                              Select Operator [SEL_39] (rows=500/500 width=178)
-                                                Output:["_col0","_col1"]
-                                                Filter Operator [FIL_150] (rows=500/500 width=178)
-                                                  predicate:value is not null
-                                                  TableScan [TS_37] (rows=500/500 width=178)
-                                                    Output:["key","value"]
-                                          <-Reducer 19 [CONTAINS]
-                                            Reduce Output Operator [RS_43]
-                                              PartitionCols:_col1, _col0
-                                              Select Operator [SEL_36] (rows=525/319 width=178)
-                                                Output:["_col0","_col1"]
-                                                Group By Operator [GBY_35] (rows=525/319 width=178)
-                                                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
-                                                <-Union 18 [SIMPLE_EDGE]
-                                                  <-Map 17 [CONTAINS]
-                                                    Reduce Output Operator [RS_34]
-                                                      PartitionCols:_col1, _col0
-                                                      Select Operator [SEL_27] (rows=25/25 width=175)
-                                                        Output:["_col0","_col1"]
-                                                        Filter Operator [FIL_148] (rows=25/25 width=175)
-                                                          predicate:value is not null
-                                                          TableScan [TS_25] (rows=25/25 width=175)
-                                                            Output:["key","value"]
-                                                  <-Map 22 [CONTAINS]
-                                                    Reduce Output Operator [RS_34]
-                                                      PartitionCols:_col1, _col0
-                                                      Select Operator [SEL_30] (rows=500/500 width=178)
-                                                        Output:["_col0","_col1"]
-                                                        Filter Operator [FIL_149] (rows=500/500 width=178)
-               

<TRUNCATED>