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Posted to commits@hive.apache.org by se...@apache.org on 2016/08/30 22:21:18 UTC

[11/17] hive git commit: HIVE-14362: Support explain analyze in Hive (Pengcheng Xiong, reviewed by Ashutosh Chauhan, Gopal V and Gabor Szadovszky)

http://git-wip-us.apache.org/repos/asf/hive/blob/20824f27/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out
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diff --git a/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out b/ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out
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index 0000000..37fc7d3
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@@ -0,0 +1,4827 @@
+PREHOOK: query: -- SORT_QUERY_RESULTS
+
+CREATE TABLE dest_j1(key STRING, value STRING, val2 STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@dest_j1
+POSTHOOK: query: -- SORT_QUERY_RESULTS
+
+CREATE TABLE dest_j1(key STRING, value STRING, val2 STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@dest_j1
+PREHOOK: query: CREATE TABLE ss(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@ss
+POSTHOOK: query: CREATE TABLE ss(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@ss
+PREHOOK: query: CREATE TABLE sr(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@sr
+POSTHOOK: query: CREATE TABLE sr(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@sr
+PREHOOK: query: CREATE TABLE cs(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@cs
+POSTHOOK: query: CREATE TABLE cs(k1 STRING,v1 STRING,k2 STRING,v2 STRING,k3 STRING,v3 STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@cs
+PREHOOK: query: INSERT OVERWRITE TABLE ss
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+PREHOOK: Output: default@ss
+POSTHOOK: query: INSERT OVERWRITE TABLE ss
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+POSTHOOK: Output: default@ss
+POSTHOOK: Lineage: ss.k1 SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: ss.k2 SIMPLE [(src)y.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: ss.k3 SIMPLE [(srcpart)z.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: ss.v1 SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: ss.v2 SIMPLE [(src)y.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: ss.v3 SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: INSERT OVERWRITE TABLE sr
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=12)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+PREHOOK: Output: default@sr
+POSTHOOK: query: INSERT OVERWRITE TABLE sr
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=12)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+POSTHOOK: Output: default@sr
+POSTHOOK: Lineage: sr.k1 SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: sr.k2 SIMPLE [(src)y.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: sr.k3 SIMPLE [(srcpart)z.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: sr.v1 SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: sr.v2 SIMPLE [(src)y.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: sr.v3 SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: INSERT OVERWRITE TABLE cs
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08')
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+PREHOOK: Output: default@cs
+POSTHOOK: query: INSERT OVERWRITE TABLE cs
+SELECT x.key,x.value,y.key,y.value,z.key,z.value
+FROM src1 x 
+JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08')
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+POSTHOOK: Output: default@cs
+POSTHOOK: Lineage: cs.k1 SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: cs.k2 SIMPLE [(src)y.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: cs.k3 SIMPLE [(srcpart)z.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: cs.v1 SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: cs.v2 SIMPLE [(src)y.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: cs.v3 SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: ANALYZE TABLE ss COMPUTE STATISTICS
+PREHOOK: type: QUERY
+PREHOOK: Input: default@ss
+PREHOOK: Output: default@ss
+POSTHOOK: query: ANALYZE TABLE ss COMPUTE STATISTICS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@ss
+POSTHOOK: Output: default@ss
+PREHOOK: query: ANALYZE TABLE ss COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+PREHOOK: type: QUERY
+PREHOOK: Input: default@ss
+#### A masked pattern was here ####
+POSTHOOK: query: ANALYZE TABLE ss COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@ss
+#### A masked pattern was here ####
+PREHOOK: query: ANALYZE TABLE sr COMPUTE STATISTICS
+PREHOOK: type: QUERY
+PREHOOK: Input: default@sr
+PREHOOK: Output: default@sr
+POSTHOOK: query: ANALYZE TABLE sr COMPUTE STATISTICS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@sr
+POSTHOOK: Output: default@sr
+PREHOOK: query: ANALYZE TABLE sr COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+PREHOOK: type: QUERY
+PREHOOK: Input: default@sr
+#### A masked pattern was here ####
+POSTHOOK: query: ANALYZE TABLE sr COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@sr
+#### A masked pattern was here ####
+PREHOOK: query: ANALYZE TABLE cs COMPUTE STATISTICS
+PREHOOK: type: QUERY
+PREHOOK: Input: default@cs
+PREHOOK: Output: default@cs
+POSTHOOK: query: ANALYZE TABLE cs COMPUTE STATISTICS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@cs
+POSTHOOK: Output: default@cs
+PREHOOK: query: ANALYZE TABLE cs COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+PREHOOK: type: QUERY
+PREHOOK: Input: default@cs
+#### A masked pattern was here ####
+POSTHOOK: query: ANALYZE TABLE cs COMPUTE STATISTICS FOR COLUMNS k1,v1,k2,v2,k3,v3
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@cs
+#### A masked pattern was here ####
+PREHOOK: query: SELECT x.key, z.value, y.value
+FROM src1 x JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+#### 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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+#### 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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+POSTHOOK: type: QUERY
+Plan optimized by CBO.
+
+Vertex dependency in root stage
+Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+Reducer 3 <- Map 5 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:-1
+    Stage-1
+      Reducer 3
+      File Output Operator [FS_16]
+        Select Operator [SEL_15] (rows=141/85 width=268)
+          Output:["_col0","_col1","_col2"]
+          Merge Join Operator [MERGEJOIN_26] (rows=141/85 width=268)
+            Conds:RS_12._col3=RS_13._col0(Inner),Output:["_col0","_col3","_col6"]
+          <-Map 5 [SIMPLE_EDGE]
+            SHUFFLE [RS_13]
+              PartitionCols:_col0
+              Select Operator [SEL_8] (rows=500/500 width=178)
+                Output:["_col0","_col1"]
+                Filter Operator [FIL_24] (rows=500/500 width=178)
+                  predicate:key is not null
+                  TableScan [TS_6] (rows=500/500 width=178)
+                    default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+          <-Reducer 2 [SIMPLE_EDGE]
+            SHUFFLE [RS_12]
+              PartitionCols:_col3
+              Merge Join Operator [MERGEJOIN_25] (rows=58/41 width=177)
+                Conds:RS_9._col0=RS_10._col1(Inner),Output:["_col0","_col3"]
+              <-Map 1 [SIMPLE_EDGE]
+                SHUFFLE [RS_9]
+                  PartitionCols:_col0
+                  Select Operator [SEL_2] (rows=500/500 width=369)
+                    Output:["_col0"]
+                    Filter Operator [FIL_22] (rows=500/500 width=91)
+                      predicate:value is not null
+                      TableScan [TS_0] (rows=500/500 width=91)
+                        default@srcpart,z,Tbl:COMPLETE,Col:COMPLETE,Output:["value"]
+              <-Map 4 [SIMPLE_EDGE]
+                SHUFFLE [RS_10]
+                  PartitionCols:_col1
+                  Select Operator [SEL_5] (rows=25/25 width=175)
+                    Output:["_col0","_col1"]
+                    Filter Operator [FIL_23] (rows=25/25 width=175)
+                      predicate:(key is not null and value is not null)
+                      TableScan [TS_3] (rows=25/25 width=175)
+                        default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+
+PREHOOK: query: select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+PREHOOK: type: QUERY
+PREHOOK: Input: default@cs
+PREHOOK: Input: default@sr
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
+PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
+PREHOOK: Input: default@ss
+#### A masked pattern was here ####
+POSTHOOK: query: select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@cs
+POSTHOOK: Input: default@sr
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
+POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
+POSTHOOK: Input: default@ss
+#### A masked pattern was here ####
+PREHOOK: query: explain analyze
+select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+PREHOOK: type: QUERY
+POSTHOOK: query: explain analyze
+select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+POSTHOOK: type: QUERY
+Plan optimized by CBO.
+
+Vertex dependency in root stage
+Reducer 10 <- Map 14 (SIMPLE_EDGE), Reducer 9 (SIMPLE_EDGE)
+Reducer 11 <- Reducer 10 (SIMPLE_EDGE), Reducer 16 (SIMPLE_EDGE)
+Reducer 16 <- Map 15 (SIMPLE_EDGE), Map 17 (SIMPLE_EDGE)
+Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 6 (SIMPLE_EDGE)
+Reducer 3 <- Reducer 11 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
+Reducer 4 <- Reducer 3 (SIMPLE_EDGE)
+Reducer 5 <- Reducer 4 (SIMPLE_EDGE)
+Reducer 8 <- Map 12 (SIMPLE_EDGE), Map 7 (SIMPLE_EDGE)
+Reducer 9 <- Map 13 (SIMPLE_EDGE), Reducer 8 (SIMPLE_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:100
+    Stage-1
+      Reducer 5
+      File Output Operator [FS_55]
+        Limit [LIM_54] (rows=24/0 width=285)
+          Number of rows:100
+          Select Operator [SEL_53] (rows=24/0 width=285)
+            Output:["_col0","_col1","_col2","_col3","_col4","_col5"]
+          <-Reducer 4 [SIMPLE_EDGE]
+            SHUFFLE [RS_52]
+              Group By Operator [GBY_50] (rows=24/0 width=285)
+                Output:["_col0","_col1","_col2","_col3","_col4","_col5"],aggregations:["count(VALUE._col0)","count(VALUE._col1)","count(VALUE._col2)"],keys:KEY._col0, KEY._col1, KEY._col2
+              <-Reducer 3 [SIMPLE_EDGE]
+                SHUFFLE [RS_49]
+                  PartitionCols:_col0, _col1, _col2
+                  Group By Operator [GBY_48] (rows=24/0 width=285)
+                    Output:["_col0","_col1","_col2","_col3","_col4","_col5"],aggregations:["count(_col13)","count(_col21)","count(_col3)"],keys:_col12, _col20, _col2
+                    Select Operator [SEL_47] (rows=650/0 width=534)
+                      Output:["_col12","_col20","_col2","_col13","_col21","_col3"]
+                      Merge Join Operator [MERGEJOIN_97] (rows=650/0 width=534)
+                        Conds:RS_44._col1, _col3=RS_45._col15, _col17(Inner),Output:["_col2","_col3","_col12","_col13","_col20","_col21"]
+                      <-Reducer 11 [SIMPLE_EDGE]
+                        SHUFFLE [RS_45]
+                          PartitionCols:_col15, _col17
+                          Select Operator [SEL_40] (rows=190/0 width=447)
+                            Output:["_col14","_col15","_col17","_col6","_col7"]
+                            Merge Join Operator [MERGEJOIN_96] (rows=190/0 width=447)
+                              Conds:RS_37._col6, _col4=RS_38._col4, _col2(Inner),Output:["_col2","_col3","_col14","_col15","_col17"]
+                            <-Reducer 10 [SIMPLE_EDGE]
+                              SHUFFLE [RS_37]
+                                PartitionCols:_col6, _col4
+                                Merge Join Operator [MERGEJOIN_94] (rows=40/0 width=352)
+                                  Conds:RS_34._col3=RS_35._col1(Inner),Output:["_col2","_col3","_col4","_col6"]
+                                <-Map 14 [SIMPLE_EDGE]
+                                  SHUFFLE [RS_35]
+                                    PartitionCols:_col1
+                                    Select Operator [SEL_17] (rows=2/0 width=180)
+                                      Output:["_col1"]
+                                      Filter Operator [FIL_88] (rows=2/0 width=175)
+                                        predicate:((key = 'src1key') and value is not null)
+                                        TableScan [TS_15] (rows=25/25 width=175)
+                                          default@src1,src1,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                                <-Reducer 9 [SIMPLE_EDGE]
+                                  SHUFFLE [RS_34]
+                                    PartitionCols:_col3
+                                    Merge Join Operator [MERGEJOIN_93] (rows=40/0 width=352)
+                                      Conds:RS_31._col2=RS_32._col0(Inner),Output:["_col2","_col3","_col4","_col6"]
+                                    <-Map 13 [SIMPLE_EDGE]
+                                      SHUFFLE [RS_32]
+                                        PartitionCols:_col0
+                                        Select Operator [SEL_14] (rows=2/0 width=178)
+                                          Output:["_col0"]
+                                          Filter Operator [FIL_87] (rows=2/0 width=178)
+                                            predicate:((value = 'd1value') and key is not null)
+                                            TableScan [TS_12] (rows=500/500 width=178)
+                                              default@src,d1,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                                    <-Reducer 8 [SIMPLE_EDGE]
+                                      SHUFFLE [RS_31]
+                                        PartitionCols:_col2
+                                        Merge Join Operator [MERGEJOIN_92] (rows=40/0 width=352)
+                                          Conds:RS_28._col1=RS_29._col3(Inner),Output:["_col2","_col3","_col4","_col6"]
+                                        <-Map 12 [SIMPLE_EDGE]
+                                          SHUFFLE [RS_29]
+                                            PartitionCols:_col3
+                                            Select Operator [SEL_11] (rows=8/0 width=531)
+                                              Output:["_col0","_col1","_col2","_col3","_col4"]
+                                              Filter Operator [FIL_86] (rows=8/0 width=534)
+                                                predicate:((v3 = 'ssv3') and k2 is not null and k3 is not null and k1 is not null and v1 is not null and v2 is not null)
+                                                TableScan [TS_9] (rows=85/85 width=534)
+                                                  default@ss,ss,Tbl:COMPLETE,Col:COMPLETE,Output:["k1","v1","k2","v2","k3","v3"]
+                                        <-Map 7 [SIMPLE_EDGE]
+                                          SHUFFLE [RS_28]
+                                            PartitionCols:_col1
+                                            Select Operator [SEL_8] (rows=10/0 width=185)
+                                              Output:["_col1"]
+                                              Filter Operator [FIL_85] (rows=10/0 width=178)
+                                                predicate:((key = 'srcpartkey') and value is not null)
+                                                TableScan [TS_6] (rows=2000/2000 width=178)
+                                                  default@srcpart,srcpart,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                            <-Reducer 16 [SIMPLE_EDGE]
+                              SHUFFLE [RS_38]
+                                PartitionCols:_col4, _col2
+                                Merge Join Operator [MERGEJOIN_95] (rows=19/0 width=356)
+                                  Conds:RS_24._col0=RS_25._col0(Inner),Output:["_col2","_col3","_col4","_col5"]
+                                <-Map 15 [SIMPLE_EDGE]
+                                  SHUFFLE [RS_24]
+                                    PartitionCols:_col0
+                                    Select Operator [SEL_20] (rows=8/0 width=531)
+                                      Output:["_col0","_col2","_col3","_col4","_col5"]
+                                      Filter Operator [FIL_89] (rows=8/0 width=534)
+                                        predicate:((v1 = 'srv1') and k2 is not null and k3 is not null and v2 is not null and v3 is not null and k1 is not null)
+                                        TableScan [TS_18] (rows=85/85 width=534)
+                                          default@sr,sr,Tbl:COMPLETE,Col:COMPLETE,Output:["k1","v1","k2","v2","k3","v3"]
+                                <-Map 17 [SIMPLE_EDGE]
+                                  SHUFFLE [RS_25]
+                                    PartitionCols:_col0
+                                    Select Operator [SEL_23] (rows=500/0 width=178)
+                                      Output:["_col0"]
+                                      Filter Operator [FIL_90] (rows=500/0 width=178)
+                                        predicate:((value) IN ('2000Q1', '2000Q2', '2000Q3') and key is not null)
+                                        TableScan [TS_21] (rows=500/500 width=178)
+                                          default@src,d2,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                      <-Reducer 2 [SIMPLE_EDGE]
+                        SHUFFLE [RS_44]
+                          PartitionCols:_col1, _col3
+                          Merge Join Operator [MERGEJOIN_91] (rows=414/0 width=269)
+                            Conds:RS_41._col0=RS_42._col0(Inner),Output:["_col1","_col2","_col3"]
+                          <-Map 1 [SIMPLE_EDGE]
+                            SHUFFLE [RS_41]
+                              PartitionCols:_col0
+                              Select Operator [SEL_2] (rows=170/170 width=356)
+                                Output:["_col0","_col1","_col2","_col3"]
+                                Filter Operator [FIL_83] (rows=170/170 width=356)
+                                  predicate:(v2 is not null and v3 is not null and k1 is not null)
+                                  TableScan [TS_0] (rows=170/170 width=356)
+                                    default@cs,cs,Tbl:COMPLETE,Col:COMPLETE,Output:["k1","v2","k3","v3"]
+                          <-Map 6 [SIMPLE_EDGE]
+                            SHUFFLE [RS_42]
+                              PartitionCols:_col0
+                              Select Operator [SEL_5] (rows=500/0 width=178)
+                                Output:["_col0"]
+                                Filter Operator [FIL_84] (rows=500/0 width=178)
+                                  predicate:((value) IN ('2000Q1', '2000Q2', '2000Q3') and key is not null)
+                                  TableScan [TS_3] (rows=500/500 width=178)
+                                    default@src,d3,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+
+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 11 <- Union 12 (CONTAINS)
+Map 16 <- Union 12 (CONTAINS)
+Map 8 <- Union 2 (CONTAINS)
+Reducer 13 <- Union 12 (SIMPLE_EDGE)
+Reducer 14 <- Map 17 (SIMPLE_EDGE), Reducer 13 (SIMPLE_EDGE)
+Reducer 15 <- Map 18 (SIMPLE_EDGE), Reducer 14 (SIMPLE_EDGE), Union 6 (CONTAINS)
+Reducer 3 <- Union 2 (SIMPLE_EDGE)
+Reducer 4 <- Map 9 (SIMPLE_EDGE), Reducer 3 (SIMPLE_EDGE)
+Reducer 5 <- Map 10 (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_59]
+        Group By Operator [GBY_57] (rows=28/15 width=177)
+          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+        <-Union 6 [SIMPLE_EDGE]
+          <-Reducer 15 [CONTAINS]
+            Reduce Output Operator [RS_56]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_55] (rows=28/30 width=177)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_51] (rows=73/61 width=177)
+                  Output:["_col0","_col1"]
+                  Merge Join Operator [MERGEJOIN_85] (rows=73/61 width=177)
+                    Conds:RS_48._col2=RS_49._col0(Inner),Output:["_col1","_col2"]
+                  <-Map 18 [SIMPLE_EDGE]
+                    SHUFFLE [RS_49]
+                      PartitionCols:_col0
+                      Select Operator [SEL_44] (rows=500/500 width=87)
+                        Output:["_col0"]
+                        Filter Operator [FIL_81] (rows=500/500 width=87)
+                          predicate:key is not null
+                          TableScan [TS_42] (rows=500/500 width=87)
+                            default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key"]
+                  <-Reducer 14 [SIMPLE_EDGE]
+                    SHUFFLE [RS_48]
+                      PartitionCols:_col2
+                      Merge Join Operator [MERGEJOIN_84] (rows=30/52 width=177)
+                        Conds:RS_45._col1=RS_46._col1(Inner),Output:["_col1","_col2"]
+                      <-Map 17 [SIMPLE_EDGE]
+                        SHUFFLE [RS_46]
+                          PartitionCols:_col1
+                          Select Operator [SEL_41] (rows=25/25 width=175)
+                            Output:["_col0","_col1"]
+                            Filter Operator [FIL_80] (rows=25/25 width=175)
+                              predicate:(key is not null and value is not null)
+                              TableScan [TS_39] (rows=25/25 width=175)
+                                default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                      <-Reducer 13 [SIMPLE_EDGE]
+                        SHUFFLE [RS_45]
+                          PartitionCols:_col1
+                          Select Operator [SEL_38] (rows=262/319 width=178)
+                            Output:["_col1"]
+                            Group By Operator [GBY_37] (rows=262/319 width=178)
+                              Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                            <-Union 12 [SIMPLE_EDGE]
+                              <-Map 11 [CONTAINS]
+                                Reduce Output Operator [RS_36]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_35] (rows=262/331 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_28] (rows=25/25 width=175)
+                                      Output:["_col0","_col1"]
+                                      Filter Operator [FIL_78] (rows=25/25 width=175)
+                                        predicate:value is not null
+                                        TableScan [TS_26] (rows=25/25 width=175)
+                                          Output:["key","value"]
+                              <-Map 16 [CONTAINS]
+                                Reduce Output Operator [RS_36]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_35] (rows=262/331 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_31] (rows=500/500 width=178)
+                                      Output:["_col0","_col1"]
+                                      Filter Operator [FIL_79] (rows=500/500 width=178)
+                                        predicate:value is not null
+                                        TableScan [TS_29] (rows=500/500 width=178)
+                                          Output:["key","value"]
+          <-Reducer 5 [CONTAINS]
+            Reduce Output Operator [RS_56]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_55] (rows=28/30 width=177)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_25] (rows=73/61 width=177)
+                  Output:["_col0","_col1"]
+                  Merge Join Operator [MERGEJOIN_83] (rows=73/61 width=177)
+                    Conds:RS_22._col2=RS_23._col0(Inner),Output:["_col1","_col2"]
+                  <-Map 10 [SIMPLE_EDGE]
+                    SHUFFLE [RS_23]
+                      PartitionCols:_col0
+                      Select Operator [SEL_18] (rows=500/500 width=87)
+                        Output:["_col0"]
+                        Filter Operator [FIL_77] (rows=500/500 width=87)
+                          predicate:key is not null
+                          TableScan [TS_16] (rows=500/500 width=87)
+                            default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key"]
+                  <-Reducer 4 [SIMPLE_EDGE]
+                    SHUFFLE [RS_22]
+                      PartitionCols:_col2
+                      Merge Join Operator [MERGEJOIN_82] (rows=30/52 width=177)
+                        Conds:RS_19._col1=RS_20._col1(Inner),Output:["_col1","_col2"]
+                      <-Map 9 [SIMPLE_EDGE]
+                        SHUFFLE [RS_20]
+                          PartitionCols:_col1
+                          Select Operator [SEL_15] (rows=25/25 width=175)
+                            Output:["_col0","_col1"]
+                            Filter Operator [FIL_76] (rows=25/25 width=175)
+                              predicate:(key is not null and value is not null)
+                              TableScan [TS_13] (rows=25/25 width=175)
+                                default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                      <-Reducer 3 [SIMPLE_EDGE]
+                        SHUFFLE [RS_19]
+                          PartitionCols:_col1
+                          Select Operator [SEL_12] (rows=262/319 width=178)
+                            Output:["_col1"]
+                            Group By Operator [GBY_11] (rows=262/319 width=178)
+                              Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                            <-Union 2 [SIMPLE_EDGE]
+                              <-Map 1 [CONTAINS]
+                                Reduce Output Operator [RS_10]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_9] (rows=262/331 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_2] (rows=25/25 width=175)
+                                      Output:["_col0","_col1"]
+                                      Filter Operator [FIL_74] (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_10]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_9] (rows=262/331 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_5] (rows=500/500 width=178)
+                                      Output:["_col0","_col1"]
+                                      Filter Operator [FIL_75] (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 13 <- Union 14 (CONTAINS)
+Map 20 <- Union 14 (CONTAINS)
+Map 21 <- Union 16 (CONTAINS)
+Map 24 <- Union 25 (CONTAINS)
+Map 33 <- Union 25 (CONTAINS)
+Map 34 <- Union 27 (CONTAINS)
+Map 35 <- Union 29 (CONTAINS)
+Reducer 15 <- Union 14 (SIMPLE_EDGE), Union 16 (CONTAINS)
+Reducer 17 <- Union 16 (SIMPLE_EDGE)
+Reducer 18 <- Map 22 (SIMPLE_EDGE), Reducer 17 (SIMPLE_EDGE)
+Reducer 19 <- Map 23 (SIMPLE_EDGE), Reducer 18 (SIMPLE_EDGE), Union 6 (CONTAINS)
+Reducer 26 <- Union 25 (SIMPLE_EDGE), Union 27 (CONTAINS)
+Reducer 28 <- Union 27 (SIMPLE_EDGE), Union 29 (CONTAINS)
+Reducer 3 <- Union 2 (SIMPLE_EDGE)
+Reducer 30 <- Union 29 (SIMPLE_EDGE)
+Reducer 31 <- Map 36 (SIMPLE_EDGE), Reducer 30 (SIMPLE_EDGE)
+Reducer 32 <- Map 37 (SIMPLE_EDGE), Reducer 31 (SIMPLE_EDGE), Union 8 (CONTAINS)
+Reducer 4 <- Map 11 (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), Union 8 (CONTAINS)
+Reducer 9 <- Union 8 (SIMPLE_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:-1
+    Stage-1
+      Reducer 9
+      File Output Operator [FS_122]
+        Group By Operator [GBY_120] (rows=107/15 width=177)
+          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+        <-Union 8 [SIMPLE_EDGE]
+          <-Reducer 32 [CONTAINS]
+            Reduce Output Operator [RS_119]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_118] (rows=107/30 width=177)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_114] (rows=124/61 width=177)
+                  Output:["_col0","_col1"]
+                  Merge Join Operator [MERGEJOIN_170] (rows=124/61 width=177)
+                    Conds:RS_111._col2=RS_112._col0(Inner),Output:["_col2","_col5"]
+                  <-Map 37 [SIMPLE_EDGE]
+                    SHUFFLE [RS_112]
+                      PartitionCols:_col0
+                      Select Operator [SEL_107] (rows=500/500 width=178)
+                        Output:["_col0","_col1"]
+                        Filter Operator [FIL_164] (rows=500/500 width=178)
+                          predicate:key is not null
+                          TableScan [TS_105] (rows=500/500 width=178)
+                            default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                  <-Reducer 31 [SIMPLE_EDGE]
+                    SHUFFLE [RS_111]
+                      PartitionCols:_col2
+                      Merge Join Operator [MERGEJOIN_169] (rows=51/52 width=86)
+                        Conds:RS_108._col1=RS_109._col1(Inner),Output:["_col2"]
+                      <-Map 36 [SIMPLE_EDGE]
+                        SHUFFLE [RS_109]
+                          PartitionCols:_col1
+                          Select Operator [SEL_104] (rows=25/25 width=175)
+                            Output:["_col0","_col1"]
+                            Filter Operator [FIL_163] (rows=25/25 width=175)
+                              predicate:(key is not null and value is not null)
+                              TableScan [TS_102] (rows=25/25 width=175)
+                                default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                      <-Reducer 30 [SIMPLE_EDGE]
+                        SHUFFLE [RS_108]
+                          PartitionCols:_col1
+                          Select Operator [SEL_101] (rows=440/319 width=178)
+                            Output:["_col1"]
+                            Group By Operator [GBY_100] (rows=440/319 width=178)
+                              Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                            <-Union 29 [SIMPLE_EDGE]
+                              <-Map 35 [CONTAINS]
+                                Reduce Output Operator [RS_99]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_98] (rows=440/628 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_94] (rows=500/500 width=178)
+                                      Output:["_col0","_col1"]
+                                      Filter Operator [FIL_162] (rows=500/500 width=178)
+                                        predicate:value is not null
+                                        TableScan [TS_92] (rows=500/500 width=178)
+                                          Output:["key","value"]
+                              <-Reducer 28 [CONTAINS]
+                                Reduce Output Operator [RS_99]
+                                  PartitionCols:_col0, _col1
+                                  Group By Operator [GBY_98] (rows=440/628 width=178)
+                                    Output:["_col0","_col1"],keys:_col1, _col0
+                                    Select Operator [SEL_91] (rows=381/319 width=178)
+                                      Output:["_col0","_col1"]
+                                      Group By Operator [GBY_90] (rows=381/319 width=178)
+                                        Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                      <-Union 27 [SIMPLE_EDGE]
+                                        <-Map 34 [CONTAINS]
+                                          Reduce Output Operator [RS_89]
+                                            PartitionCols:_col0, _col1
+                                            Group By Operator [GBY_88] (rows=381/628 width=178)
+                                              Output:["_col0","_col1"],keys:_col1, _col0
+                                              Select Operator [SEL_84] (rows=500/500 width=178)
+                                                Output:["_col0","_col1"]
+                                                Filter Operator [FIL_161] (rows=500/500 width=178)
+                                                  predicate:value is not null
+                                                  TableScan [TS_82] (rows=500/500 width=178)
+                                                    Output:["key","value"]
+                                        <-Reducer 26 [CONTAINS]
+                                          Reduce Output Operator [RS_89]
+                                            PartitionCols:_col0, _col1
+                                            Group By Operator [GBY_88] (rows=381/628 width=178)
+                                              Output:["_col0","_col1"],keys:_col1, _col0
+                                              Select Operator [SEL_81] (rows=262/319 width=178)
+                                                Output:["_col0","_col1"]
+                                                Group By Operator [GBY_80] (rows=262/319 width=178)
+                                                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                                <-Union 25 [SIMPLE_EDGE]
+                                                  <-Map 24 [CONTAINS]
+                                                    Reduce Output Operator [RS_79]
+                                                      PartitionCols:_col0, _col1
+                                                      Group By Operator [GBY_78] (rows=262/331 width=178)
+                                                        Output:["_col0","_col1"],keys:_col1, _col0
+                                                        Select Operator [SEL_71] (rows=25/25 width=175)
+                                                          Output:["_col0","_col1"]
+                                                          Filter Operator [FIL_159] (rows=25/25 width=175)
+                                                            predicate:value is not null
+                                                            TableScan [TS_69] (rows=25/25 width=175)
+                                                              Output:["key","value"]
+                                                  <-Map 33 [CONTAINS]
+                                                    Reduce Output Operator [RS_79]
+                                                      PartitionCols:_col0, _col1
+                                                      Group By Operator [GBY_78] (rows=262/331 width=178)
+                                                        Output:["_col0","_col1"],keys:_col1, _col0
+                                                        Select Operator [SEL_74] (rows=500/500 width=178)
+                                                          Output:["_col0","_col1"]
+                                                          Filter Operator [FIL_160] (rows=500/500 width=178)
+                                                            predicate:value is not null
+                                                            TableScan [TS_72] (rows=500/500 width=178)
+                                                              Output:["key","value"]
+          <-Reducer 7 [CONTAINS]
+            Reduce Output Operator [RS_119]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_118] (rows=107/30 width=177)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Group By Operator [GBY_67] (rows=90/15 width=177)
+                  Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                <-Union 6 [SIMPLE_EDGE]
+                  <-Reducer 19 [CONTAINS]
+                    Reduce Output Operator [RS_66]
+                      PartitionCols:_col0, _col1
+                      Group By Operator [GBY_65] (rows=90/30 width=177)
+                        Output:["_col0","_col1"],keys:_col0, _col1
+                        Select Operator [SEL_61] (rows=107/61 width=177)
+                          Output:["_col0","_col1"]
+                          Merge Join Operator [MERGEJOIN_168] (rows=107/61 width=177)
+                            Conds:RS_58._col2=RS_59._col0(Inner),Output:["_col2","_col5"]
+                          <-Map 23 [SIMPLE_EDGE]
+                            SHUFFLE [RS_59]
+                              PartitionCols:_col0
+                              Select Operator [SEL_54] (rows=500/500 width=178)
+                                Output:["_col0","_col1"]
+                                Filter Operator [FIL_158] (rows=500/500 width=178)
+                                  predicate:key is not null
+                                  TableScan [TS_52] (rows=500/500 width=178)
+                                    default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                          <-Reducer 18 [SIMPLE_EDGE]
+                            SHUFFLE [RS_58]
+                              PartitionCols:_col2
+                              Merge Join Operator [MERGEJOIN_167] (rows=44/52 width=86)
+                                Conds:RS_55._col1=RS_56._col1(Inner),Output:["_col2"]
+                              <-Map 22 [SIMPLE_EDGE]
+                                SHUFFLE [RS_56]
+                                  PartitionCols:_col1
+                                  Select Operator [SEL_51] (rows=25/25 width=175)
+                                    Output:["_col0","_col1"]
+                                    Filter Operator [FIL_157] (rows=25/25 width=175)
+                                      predicate:(key is not null and value is not null)
+                                      TableScan [TS_49] (rows=25/25 width=175)
+                                        default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                              <-Reducer 17 [SIMPLE_EDGE]
+                                SHUFFLE [RS_55]
+                                  PartitionCols:_col1
+                                  Select Operator [SEL_48] (rows=381/319 width=178)
+                                    Output:["_col1"]
+                                    Group By Operator [GBY_47] (rows=381/319 width=178)
+                                      Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                    <-Union 16 [SIMPLE_EDGE]
+                                      <-Map 21 [CONTAINS]
+                                        Reduce Output Operator [RS_46]
+                                          PartitionCols:_col0, _col1
+                                          Group By Operator [GBY_45] (rows=381/628 width=178)
+                                            Output:["_col0","_col1"],keys:_col1, _col0
+                                            Select Operator [SEL_41] (rows=500/500 width=178)
+                                              Output:["_col0","_col1"]
+                                              Filter Operator [FIL_156] (rows=500/500 width=178)
+                                                predicate:value is not null
+                                                TableScan [TS_39] (rows=500/500 width=178)
+                                                  Output:["key","value"]
+                                      <-Reducer 15 [CONTAINS]
+                                        Reduce Output Operator [RS_46]
+                                          PartitionCols:_col0, _col1
+                                          Group By Operator [GBY_45] (rows=381/628 width=178)
+                                            Output:["_col0","_col1"],keys:_col1, _col0
+                                            Select Operator [SEL_38] (rows=262/319 width=178)
+                                              Output:["_col0","_col1"]
+                                              Group By Operator [GBY_37] (rows=262/319 width=178)
+                                                Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                              <-Union 14 [SIMPLE_EDGE]
+                                                <-Map 13 [CONTAINS]
+                                                  Reduce Output Operator [RS_36]
+                                                    PartitionCols:_col0, _col1
+                                                    Group By Operator [GBY_35] (rows=262/331 width=178)
+                                                      Output:["_col0","_col1"],keys:_col1, _col0
+                                                      Select Operator [SEL_28] (rows=25/25 width=175)
+                                                        Output:["_col0","_col1"]
+                                                        Filter Operator [FIL_154] (rows=25/25 width=175)
+                                                          predicate:value is not null
+                                                          TableScan [TS_26] (rows=25/25 width=175)
+                                                            Output:["key","value"]
+                                                <-Map 20 [CONTAINS]
+                                                  Reduce Output Operator [RS_36]
+                                                    PartitionCols:_col0, _col1
+                                                    Group By Operator [GBY_35] (rows=262/331 width=178)
+                                                      Output:["_col0","_col1"],keys:_col1, _col0
+                                                      Select Operator [SEL_31] (rows=500/500 width=178)
+                                                        Output:["_col0","_col1"]
+                                                        Filter Operator [FIL_155] (rows=500/500 width=178)
+                                                          predicate:value is not null
+                                                          TableScan [TS_29] (rows=500/500 width=178)
+                                                            Output:["key","value"]
+                  <-Reducer 5 [CONTAINS]
+                    Reduce Output Operator [RS_66]
+                      PartitionCols:_col0, _col1
+                      Group By Operator [GBY_65] (rows=90/30 width=177)
+                        Output:["_col0","_col1"],keys:_col0, _col1
+                        Select Operator [SEL_25] (rows=73/61 width=177)
+                          Output:["_col0","_col1"]
+                          Merge Join Operator [MERGEJOIN_166] (rows=73/61 width=177)
+                            Conds:RS_22._col2=RS_23._col0(Inner),Output:["_col2","_col5"]
+                          <-Map 12 [SIMPLE_EDGE]
+                            SHUFFLE [RS_23]
+                              PartitionCols:_col0
+                              Select Operator [SEL_18] (rows=500/500 width=178)
+                                Output:["_col0","_col1"]
+                                Filter Operator [FIL_153] (rows=500/500 width=178)
+                                  predicate:key is not null
+                                  TableScan [TS_16] (rows=500/500 width=178)
+                                    default@src,y,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                          <-Reducer 4 [SIMPLE_EDGE]
+                            SHUFFLE [RS_22]
+                              PartitionCols:_col2
+                              Merge Join Operator [MERGEJOIN_165] (rows=30/52 width=86)
+                                Conds:RS_19._col1=RS_20._col1(Inner),Output:["_col2"]
+                              <-Map 11 [SIMPLE_EDGE]
+                                SHUFFLE [RS_20]
+                                  PartitionCols:_col1
+                                  Select Operator [SEL_15] (rows=25/25 width=175)
+                                    Output:["_col0","_col1"]
+                                    Filter Operator [FIL_152] (rows=25/25 width=175)
+                                      predicate:(key is not null and value is not null)
+                                      TableScan [TS_13] (rows=25/25 width=175)
+                                        default@src1,x,Tbl:COMPLETE,Col:COMPLETE,Output:["key","value"]
+                              <-Reducer 3 [SIMPLE_EDGE]
+                                SHUFFLE [RS_19]
+                                  PartitionCols:_col1
+                                  Select Operator [SEL_12] (rows=262/319 width=178)
+                                    Output:["_col1"]
+                                    Group By Operator [GBY_11] (rows=262/319 width=178)
+                                      Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                                    <-Union 2 [SIMPLE_EDGE]
+                                      <-Map 1 [CONTAINS]
+                                        Reduce Output Operator [RS_10]
+                                          PartitionCols:_col0, _col1
+                                          Group By Operator [GBY_9] (rows=262/331 width=178)
+                                            Output:["_col0","_col1"],keys:_col1, _col0
+                                            Select Operator [SEL_2] (rows=25/25 width=175)
+                                              Output:["_col0","_col1"]
+                                              Filter Operator [FIL_150] (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_10]
+                                          PartitionCols:_col0, _col1
+                                          Group By Operator [GBY_9] (rows=262/331 width=178)
+                                            Output:["_col0","_col1"],keys:_col1, _col0
+                                            Select Operator [SEL_5] (rows=500/500 width=178)
+                                              Output:["_col0","_col1"]
+                                              Filter Operator [FIL_151] (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, z.value, y.value
+FROM src1 x JOIN src y ON (x.key = y.key) 
+JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+#### 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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+#### 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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+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 srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11)
+POSTHOOK: type: QUERY
+Plan optimized by CBO.
+
+Vertex dependency in root stage
+Map 1 <- Map 2 (BROADCAST_EDGE), Map 3 (BROADCAST_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:-1
+    Stage-1
+      Map 1
+      File Output Operator [FS_16]
+        Select Operator [SEL_15] (rows=605/85 width=10)
+          Output:["_col0","_col1","_col2"]
+          Map Join Operator [MAPJOIN_26] (rows=605/85 width=10)
+            Conds:MAPJOIN_25._col3=RS_13._col0(Inner),HybridGraceHashJoin:true,Output:["_col0","_col3","_col6"]
+          <-Map 3 [BROADCAST_EDGE]
+            BROADCAST [RS_13]
+              PartitionCols:_col0
+              Select Operator [SEL_8] (rows=500/500 width=10)
+                Output:["_col0","_col1"]
+                Filter Operator [FIL_24] (rows=500/500 width=10)
+                  predicate:key is not null
+                  TableScan [TS_6] (rows=500/500 width=10)
+                    default@src,y,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+          <-Map Join Operator [MAPJOIN_25] (rows=550/41 width=10)
+              Conds:SEL_2._col0=RS_10._col1(Inner),HybridGraceHashJoin:true,Output:["_col0","_col3"]
+            <-Map 2 [BROADCAST_EDGE]
+              BROADCAST [RS_10]
+                PartitionCols:_col1
+                Select Operator [SEL_5] (rows=25/25 width=7)
+                  Output:["_col0","_col1"]
+                  Filter Operator [FIL_23] (rows=25/25 width=7)
+                    predicate:(key is not null and value is not null)
+                    TableScan [TS_3] (rows=25/25 width=7)
+                      default@src1,x,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+            <-Select Operator [SEL_2] (rows=500/500 width=10)
+                Output:["_col0"]
+                Filter Operator [FIL_22] (rows=500/500 width=10)
+                  predicate:value is not null
+                  TableScan [TS_0] (rows=500/500 width=10)
+                    default@srcpart,z,Tbl:COMPLETE,Col:NONE,Output:["value"]
+
+PREHOOK: query: select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+PREHOOK: type: QUERY
+PREHOOK: Input: default@cs
+PREHOOK: Input: default@sr
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcpart
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
+PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
+PREHOOK: Input: default@ss
+#### A masked pattern was here ####
+POSTHOOK: query: select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@cs
+POSTHOOK: Input: default@sr
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcpart
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
+POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
+POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
+POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
+POSTHOOK: Input: default@ss
+#### A masked pattern was here ####
+PREHOOK: query: explain analyze
+select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+PREHOOK: type: QUERY
+POSTHOOK: query: explain analyze
+select 
+ss.k1,sr.k2,cs.k3,count(ss.v1),count(sr.v2),count(cs.v3)
+FROM 
+ss,sr,cs,src d1,src d2,src d3,src1,srcpart
+where
+    ss.k1 = d1.key 
+and sr.k1 = d2.key 
+and cs.k1 = d3.key 
+and ss.k2 = sr.k2
+and ss.k3 = sr.k3
+and ss.v1 = src1.value
+and ss.v2 = srcpart.value
+and sr.v2 = cs.v2
+and sr.v3 = cs.v3
+and ss.v3='ssv3'
+and sr.v1='srv1'
+and src1.key = 'src1key'
+and srcpart.key = 'srcpartkey'
+and d1.value = 'd1value'
+and d2.value in ('2000Q1','2000Q2','2000Q3')
+and d3.value in ('2000Q1','2000Q2','2000Q3')
+group by 
+ss.k1,sr.k2,cs.k3
+order by 
+ss.k1,sr.k2,cs.k3
+limit 100
+POSTHOOK: type: QUERY
+Plan optimized by CBO.
+
+Vertex dependency in root stage
+Map 10 <- Map 9 (BROADCAST_EDGE)
+Map 2 <- Map 1 (BROADCAST_EDGE)
+Map 3 <- Map 10 (BROADCAST_EDGE), Map 2 (BROADCAST_EDGE), Map 6 (BROADCAST_EDGE), Map 7 (BROADCAST_EDGE), Map 8 (BROADCAST_EDGE)
+Reducer 4 <- Map 3 (SIMPLE_EDGE)
+Reducer 5 <- Reducer 4 (SIMPLE_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:100
+    Stage-1
+      Reducer 5
+      File Output Operator [FS_55]
+        Limit [LIM_54] (rows=100/0 width=10)
+          Number of rows:100
+          Select Operator [SEL_53] (rows=805/0 width=10)
+            Output:["_col0","_col1","_col2","_col3","_col4","_col5"]
+          <-Reducer 4 [SIMPLE_EDGE]
+            SHUFFLE [RS_52]
+              Group By Operator [GBY_50] (rows=805/0 width=10)
+                Output:["_col0","_col1","_col2","_col3","_col4","_col5"],aggregations:["count(VALUE._col0)","count(VALUE._col1)","count(VALUE._col2)"],keys:KEY._col0, KEY._col1, KEY._col2
+              <-Map 3 [SIMPLE_EDGE]
+                SHUFFLE [RS_49]
+                  PartitionCols:_col0, _col1, _col2
+                  Group By Operator [GBY_48] (rows=1610/0 width=10)
+                    Output:["_col0","_col1","_col2","_col3","_col4","_col5"],aggregations:["count(_col13)","count(_col21)","count(_col3)"],keys:_col12, _col20, _col2
+                    Select Operator [SEL_47] (rows=1610/0 width=10)
+                      Output:["_col12","_col20","_col2","_col13","_col21","_col3"]
+                      Map Join Operator [MAPJOIN_97] (rows=1610/0 width=10)
+                        Conds:RS_44._col1, _col3=SEL_40._col15, _col17(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col12","_col13","_col20","_col21"]
+                      <-Map 2 [BROADCAST_EDGE]
+                        BROADCAST [RS_44]
+                          PartitionCols:_col1, _col3
+                          Map Join Operator [MAPJOIN_91] (rows=275/0 width=10)
+                            Conds:RS_41._col0=SEL_5._col0(Inner),HybridGraceHashJoin:true,Output:["_col1","_col2","_col3"]
+                          <-Map 1 [BROADCAST_EDGE]
+                            BROADCAST [RS_41]
+                              PartitionCols:_col0
+                              Select Operator [SEL_2] (rows=170/170 width=34)
+                                Output:["_col0","_col1","_col2","_col3"]
+                                Filter Operator [FIL_83] (rows=170/170 width=34)
+                                  predicate:(v2 is not null and v3 is not null and k1 is not null)
+                                  TableScan [TS_0] (rows=170/170 width=34)
+                                    default@cs,cs,Tbl:COMPLETE,Col:NONE,Output:["k1","v2","k3","v3"]
+                          <-Select Operator [SEL_5] (rows=250/0 width=10)
+                              Output:["_col0"]
+                              Filter Operator [FIL_84] (rows=250/0 width=10)
+                                predicate:((value) IN ('2000Q1', '2000Q2', '2000Q3') and key is not null)
+                                TableScan [TS_3] (rows=500/500 width=10)
+                                  default@src,d3,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                      <-Select Operator [SEL_40] (rows=1464/0 width=10)
+                          Output:["_col14","_col15","_col17","_col6","_col7"]
+                          Map Join Operator [MAPJOIN_96] (rows=1464/0 width=10)
+                            Conds:MAPJOIN_94._col6, _col4=RS_38._col4, _col2(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col14","_col15","_col17"]
+                          <-Map 10 [BROADCAST_EDGE]
+                            BROADCAST [RS_38]
+                              PartitionCols:_col4, _col2
+                              Map Join Operator [MAPJOIN_95] (rows=275/0 width=10)
+                                Conds:RS_24._col0=SEL_23._col0(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col4","_col5"]
+                              <-Map 9 [BROADCAST_EDGE]
+                                BROADCAST [RS_24]
+                                  PartitionCols:_col0
+                                  Select Operator [SEL_20] (rows=42/0 width=34)
+                                    Output:["_col0","_col2","_col3","_col4","_col5"]
+                                    Filter Operator [FIL_89] (rows=42/0 width=34)
+                                      predicate:((v1 = 'srv1') and k2 is not null and k3 is not null and v2 is not null and v3 is not null and k1 is not null)
+                                      TableScan [TS_18] (rows=85/85 width=34)
+                                        default@sr,sr,Tbl:COMPLETE,Col:NONE,Output:["k1","v1","k2","v2","k3","v3"]
+                              <-Select Operator [SEL_23] (rows=250/0 width=10)
+                                  Output:["_col0"]
+                                  Filter Operator [FIL_90] (rows=250/0 width=10)
+                                    predicate:((value) IN ('2000Q1', '2000Q2', '2000Q3') and key is not null)
+                                    TableScan [TS_21] (rows=500/500 width=10)
+                                      default@src,d2,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                          <-Map Join Operator [MAPJOIN_94] (rows=1331/0 width=10)
+                              Conds:MAPJOIN_93._col3=RS_35._col1(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col4","_col6"]
+                            <-Map 8 [BROADCAST_EDGE]
+                              BROADCAST [RS_35]
+                                PartitionCols:_col1
+                                Select Operator [SEL_17] (rows=12/0 width=7)
+                                  Output:["_col1"]
+                                  Filter Operator [FIL_88] (rows=12/0 width=7)
+                                    predicate:((key = 'src1key') and value is not null)
+                                    TableScan [TS_15] (rows=25/25 width=7)
+                                      default@src1,src1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                            <-Map Join Operator [MAPJOIN_93] (rows=1210/0 width=10)
+                                Conds:MAPJOIN_92._col2=RS_32._col0(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col4","_col6"]
+                              <-Map 7 [BROADCAST_EDGE]
+                                BROADCAST [RS_32]
+                                  PartitionCols:_col0
+                                  Select Operator [SEL_14] (rows=250/0 width=10)
+                                    Output:["_col0"]
+                                    Filter Operator [FIL_87] (rows=250/0 width=10)
+                                      predicate:((value = 'd1value') and key is not null)
+                                      TableScan [TS_12] (rows=500/500 width=10)
+                                        default@src,d1,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                              <-Map Join Operator [MAPJOIN_92] (rows=1100/0 width=10)
+                                  Conds:SEL_8._col1=RS_29._col3(Inner),HybridGraceHashJoin:true,Output:["_col2","_col3","_col4","_col6"]
+                                <-Map 6 [BROADCAST_EDGE]
+                                  BROADCAST [RS_29]
+                                    PartitionCols:_col3
+                                    Select Operator [SEL_11] (rows=42/0 width=34)
+                                      Output:["_col0","_col1","_col2","_col3","_col4"]
+                                      Filter Operator [FIL_86] (rows=42/0 width=34)
+                                        predicate:((v3 = 'ssv3') and k2 is not null and k3 is not null and k1 is not null and v1 is not null and v2 is not null)
+                                        TableScan [TS_9] (rows=85/85 width=34)
+                                          default@ss,ss,Tbl:COMPLETE,Col:NONE,Output:["k1","v1","k2","v2","k3","v3"]
+                                <-Select Operator [SEL_8] (rows=1000/0 width=10)
+                                    Output:["_col1"]
+                                    Filter Operator [FIL_85] (rows=1000/0 width=10)
+                                      predicate:((key = 'srcpartkey') and value is not null)
+                                      TableScan [TS_6] (rows=2000/2000 width=10)
+                                        default@srcpart,srcpart,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+
+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 12 <- Union 10 (CONTAINS)
+Map 6 <- Union 2 (CONTAINS)
+Map 9 <- Union 10 (CONTAINS)
+Reducer 11 <- Map 13 (BROADCAST_EDGE), Map 14 (BROADCAST_EDGE), Union 10 (SIMPLE_EDGE), Union 4 (CONTAINS)
+Reducer 3 <- Map 7 (BROADCAST_EDGE), Map 8 (BROADCAST_EDGE), Union 2 (SIMPLE_EDGE), Union 4 (CONTAINS)
+Reducer 5 <- Union 4 (SIMPLE_EDGE)
+
+Stage-0
+  Fetch Operator
+    limit:-1
+    Stage-1
+      Reducer 5
+      File Output Operator [FS_59]
+        Group By Operator [GBY_57] (rows=550/15 width=10)
+          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+        <-Union 4 [SIMPLE_EDGE]
+          <-Reducer 11 [CONTAINS]
+            Reduce Output Operator [RS_56]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_55] (rows=1100/30 width=10)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_51] (rows=550/61 width=10)
+                  Output:["_col0","_col1"]
+                  Map Join Operator [MAPJOIN_85] (rows=550/61 width=10)
+                    Conds:MAPJOIN_84._col2=RS_49._col0(Inner),HybridGraceHashJoin:true,Output:["_col1","_col2"]
+                  <-Map 14 [BROADCAST_EDGE]
+                    BROADCAST [RS_49]
+                      PartitionCols:_col0
+                      Select Operator [SEL_44] (rows=500/500 width=10)
+                        Output:["_col0"]
+                        Filter Operator [FIL_81] (rows=500/500 width=10)
+                          predicate:key is not null
+                          TableScan [TS_42] (rows=500/500 width=10)
+                            default@src,y,Tbl:COMPLETE,Col:NONE,Output:["key"]
+                  <-Map Join Operator [MAPJOIN_84] (rows=288/52 width=10)
+                      Conds:SEL_38._col1=RS_46._col1(Inner),HybridGraceHashJoin:true,Output:["_col1","_col2"]
+                    <-Map 13 [BROADCAST_EDGE]
+                      BROADCAST [RS_46]
+                        PartitionCols:_col1
+                        Select Operator [SEL_41] (rows=25/25 width=7)
+                          Output:["_col0","_col1"]
+                          Filter Operator [FIL_80] (rows=25/25 width=7)
+                            predicate:(key is not null and value is not null)
+                            TableScan [TS_39] (rows=25/25 width=7)
+                              default@src1,x,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                    <-Select Operator [SEL_38] (rows=262/319 width=10)
+                        Output:["_col1"]
+                        Group By Operator [GBY_37] (rows=262/319 width=10)
+                          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                        <-Union 10 [SIMPLE_EDGE]
+                          <-Map 12 [CONTAINS]
+                            Reduce Output Operator [RS_36]
+                              PartitionCols:_col0, _col1
+                              Group By Operator [GBY_35] (rows=525/331 width=10)
+                                Output:["_col0","_col1"],keys:_col1, _col0
+                                Select Operator [SEL_31] (rows=500/500 width=10)
+                                  Output:["_col0","_col1"]
+                                  Filter Operator [FIL_79] (rows=500/500 width=10)
+                                    predicate:value is not null
+                                    TableScan [TS_29] (rows=500/500 width=10)
+                                      Output:["key","value"]
+                          <-Map 9 [CONTAINS]
+                            Reduce Output Operator [RS_36]
+                              PartitionCols:_col0, _col1
+                              Group By Operator [GBY_35] (rows=525/331 width=10)
+                                Output:["_col0","_col1"],keys:_col1, _col0
+                                Select Operator [SEL_28] (rows=25/25 width=7)
+                                  Output:["_col0","_col1"]
+                                  Filter Operator [FIL_78] (rows=25/25 width=7)
+                                    predicate:value is not null
+                                    TableScan [TS_26] (rows=25/25 width=7)
+                                      Output:["key","value"]
+          <-Reducer 3 [CONTAINS]
+            Reduce Output Operator [RS_56]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_55] (rows=1100/30 width=10)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_25] (rows=550/61 width=10)
+                  Output:["_col0","_col1"]
+                  Map Join Operator [MAPJOIN_83] (rows=550/61 width=10)
+                    Conds:MAPJOIN_82._col2=RS_23._col0(Inner),HybridGraceHashJoin:true,Output:["_col1","_col2"]
+                  <-Map 8 [BROADCAST_EDGE]
+                    BROADCAST [RS_23]
+                      PartitionCols:_col0
+                      Select Operator [SEL_18] (rows=500/500 width=10)
+                        Output:["_col0"]
+                        Filter Operator [FIL_77] (rows=500/500 width=10)
+                          predicate:key is not null
+                          TableScan [TS_16] (rows=500/500 width=10)
+                            default@src,y,Tbl:COMPLETE,Col:NONE,Output:["key"]
+                  <-Map Join Operator [MAPJOIN_82] (rows=288/52 width=10)
+                      Conds:SEL_12._col1=RS_20._col1(Inner),HybridGraceHashJoin:true,Output:["_col1","_col2"]
+                    <-Map 7 [BROADCAST_EDGE]
+                      BROADCAST [RS_20]
+                        PartitionCols:_col1
+                        Select Operator [SEL_15] (rows=25/25 width=7)
+                          Output:["_col0","_col1"]
+                          Filter Operator [FIL_76] (rows=25/25 width=7)
+                            predicate:(key is not null and value is not null)
+                            TableScan [TS_13] (rows=25/25 width=7)
+                              default@src1,x,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                    <-Select Operator [SEL_12] (rows=262/319 width=10)
+                        Output:["_col1"]
+                        Group By Operator [GBY_11] (rows=262/319 width=10)
+                          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+                        <-Union 2 [SIMPLE_EDGE]
+                          <-Map 1 [CONTAINS]
+                            Reduce Output Operator [RS_10]
+                              PartitionCols:_col0, _col1
+                              Group By Operator [GBY_9] (rows=525/331 width=10)
+                                Output:["_col0","_col1"],keys:_col1, _col0
+                                Select Operator [SEL_2] (rows=25/25 width=7)
+                                  Output:["_col0","_col1"]
+                                  Filter Operator [FIL_74] (rows=25/25 width=7)
+                                    predicate:value is not null
+                                    TableScan [TS_0] (rows=25/25 width=7)
+                                      Output:["key","value"]
+                          <-Map 6 [CONTAINS]
+                            Reduce Output Operator [RS_10]
+                              PartitionCols:_col0, _col1
+                              Group By Operator [GBY_9] (rows=525/331 width=10)
+                                Output:["_col0","_col1"],keys:_col1, _col0
+                                Select Operator [SEL_5] (rows=500/500 width=10)
+                                  Output:["_col0","_col1"]
+                                  Filter Operator [FIL_75] (rows=500/500 width=10)
+                                    predicate:value is not null
+                                    TableScan [TS_3] (rows=500/500 width=10)
+                                      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 11 <- Union 12 (CONTAINS)
+Map 16 <- Union 12 (CONTAINS)
+Map 17 <- Union 14 (CONTAINS)
+Map 20 <- Union 21 (CONTAINS)
+Map 27 <- Union 21 (CONTAINS)
+Map 28 <- Union 23 (CONTAINS)
+Map 29 <- Union 25 (CONTAINS)
+Map 8 <- Union 2 (CONTAINS)
+Reducer 13 <- Union 12 (SIMPLE_EDGE), Union 14 (CONTAINS)
+Reducer 15 <- Map 18 (BROADCAST_EDGE), Map 19 (BROADCAST_EDGE), Union 14 (SIMPLE_EDGE), Union 4 (CONTAINS)
+Reducer 22 <- Union 21 (SIMPLE_EDGE), Union 23 (CONTAINS)
+Reducer 24 <- Union 23 (SIMPLE_EDGE), Union 25 (CONTAINS)
+Reducer 26 <- Map 30 (BROADCAST_EDGE), Map 31 (BROADCAST_EDGE), Union 25 (SIMPLE_EDGE), Union 6 (CONTAINS)
+Reducer 3 <- Map 10 (BROADCAST_EDGE), Map 9 (BROADCAST_EDGE), Union 2 (SIMPLE_EDGE), Union 4 (CONTAINS)
+Reducer 5 <- Union 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_122]
+        Group By Operator [GBY_120] (rows=550/15 width=10)
+          Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
+        <-Union 6 [SIMPLE_EDGE]
+          <-Reducer 26 [CONTAINS]
+            Reduce Output Operator [RS_119]
+              PartitionCols:_col0, _col1
+              Group By Operator [GBY_118] (rows=1100/30 width=10)
+                Output:["_col0","_col1"],keys:_col0, _col1
+                Select Operator [SEL_114] (rows=550/61 width=10)
+                  Output:["_col0","_col1"]
+                  Map Join Operator [MAPJOIN_170] (rows=550/61 width=10)
+                    Conds:MAPJOIN_169._col2=RS_112._col0(Inner),HybridGraceHashJoin:true,Output:["_col2","_col5"]
+                  <-Map 31 [BROADCAST_EDGE]
+                    BROADCAST [RS_112]
+                      PartitionCols:_col0
+                      Select Operator [SEL_107] (rows=500/500 width=10)
+                        Output:["_col0","_col1"]
+                        Filter Operator [FIL_164] (rows=500/500 width=10)
+                          predicate:key is not null
+                          TableScan [TS_105] (rows=500/500 width=10)
+                            default@src,y,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                  <-Map Join Operator [MAPJOIN_169] (rows=484/52 width=10)
+                      Conds:SEL_101._col1=RS_109._col1(Inner),HybridGraceHashJoin:true,Output:["_col2"]
+                    <-Map 30 [BROADCAST_EDGE]
+                      BROADCAST [RS_109]
+                        PartitionCols:_col1
+                        Select Operator [SEL_104] (rows=25/25 width=7)
+                          Output:["_col0","_col1"]
+                          Filter Operator [FIL_163] (rows=25/25 width=7)
+                            predicate:(key is not null and value is not null)
+                            TableScan [TS_102] (rows=25/25 width=7)
+                              default@src1,x,Tbl:COMPLETE,Col:NONE,Output:["key","value"]
+                    <-Select Operator [SEL_101] (rows=440/319 width=10)
+                        Output:["_col1"]
+                        Group By Operator [GBY_100] (rows=440/319 width=10)
+                          Output:["_col0","_col1"],ke

<TRUNCATED>