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Posted to commits@hive.apache.org by pr...@apache.org on 2015/09/15 22:42:44 UTC

[38/51] [partial] hive git commit: HIVE-11776: LLAP: Generate golden files for all MiniLlapCluster tests (Prasanth Jayachandran)

http://git-wip-us.apache.org/repos/asf/hive/blob/ace87818/ql/src/test/results/clientpositive/llap/bucket_map_join_tez1.q.out
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diff --git a/ql/src/test/results/clientpositive/llap/bucket_map_join_tez1.q.out b/ql/src/test/results/clientpositive/llap/bucket_map_join_tez1.q.out
new file mode 100644
index 0000000..4699e10
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/bucket_map_join_tez1.q.out
@@ -0,0 +1,1606 @@
+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) 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) 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) 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) 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: explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 2 <- Map 1 (CUSTOM_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col7
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select count(*)
+from 
+(select distinct key, value from tab_part) a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from 
+(select distinct key, value from tab_part) a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (BROADCAST_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: tab_part
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: key (type: int), value (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: int), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: int), _col1 (type: string)
+                        Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: int), KEY._col1 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col0 (type: int)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                  Map Join Operator
+                    condition map:
+                         Inner Join 0 to 1
+                    keys:
+                      0 _col0 (type: int)
+                      1 key (type: int)
+                    input vertices:
+                      1 Map 4
+                    Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+                    HybridGraceHashJoin: true
+                    Group By Operator
+                      aggregations: count()
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: bigint)
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  table:
+                      input format: org.apache.hadoop.mapred.TextInputFormat
+                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select count(*)
+from 
+(select distinct key, value from tab_part) a join tab 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 distinct key, value from tab_part) a join tab 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 ####
+242
+PREHOOK: query: -- one side is really bucketed. srcbucket_mapjoin is not really a bucketed table.
+-- In this case the sub-query is chosen as the big table.
+explain
+select a.k1, a.v1, b.value
+from (select sum(substr(srcbucket_mapjoin.value,5)) as v1, key as k1 from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab b on a.k1 = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- one side is really bucketed. srcbucket_mapjoin is not really a bucketed table.
+-- In this case the sub-query is chosen as the big table.
+explain
+select a.k1, a.v1, b.value
+from (select sum(substr(srcbucket_mapjoin.value,5)) as v1, key as k1 from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab b on a.k1 = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 3 <- Reducer 2 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: srcbucket_mapjoin
+                  Statistics: Num rows: 27 Data size: 2808 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: sum(substr(value, 5))
+                      keys: key (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: int)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: int)
+                        Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: double)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 _col1 (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col3
+                      input vertices:
+                        0 Reducer 2
+                      Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col1 (type: int), _col0 (type: double), _col3 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: sum(VALUE._col0)
+                keys: KEY._col0 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: double), _col0 (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col1 (type: int)
+                    sort order: +
+                    Map-reduce partition columns: _col1 (type: int)
+                    Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: double)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select a.k1, a.v1, b.value
+from (select sum(substr(tab.value,5)) as v1, key as k1 from tab_part join tab on tab_part.key = tab.key GROUP BY tab.key) a
+join tab b on a.k1 = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.k1, a.v1, b.value
+from (select sum(substr(tab.value,5)) as v1, key as k1 from tab_part join tab on tab_part.key = tab.key GROUP BY tab.key) a
+join tab b on a.k1 = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 3 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (CUSTOM_SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: tab_part
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col6, _col7
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Group By Operator
+                        aggregations: sum(substr(_col7, 5))
+                        keys: _col6 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: double)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: tab
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: sum(VALUE._col0)
+                keys: KEY._col0 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: double), _col0 (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+                  Map Join Operator
+                    condition map:
+                         Inner Join 0 to 1
+                    keys:
+                      0 _col1 (type: int)
+                      1 key (type: int)
+                    outputColumnNames: _col0, _col1, _col3
+                    input vertices:
+                      1 Map 4
+                    Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+                    HybridGraceHashJoin: true
+                    Select Operator
+                      expressions: _col1 (type: int), _col0 (type: double), _col3 (type: string)
+                      outputColumnNames: _col0, _col1, _col2
+                      Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select a.k1, a.v1, b.value
+from (select sum(substr(x.value,5)) as v1, x.key as k1 from tab x join tab y on x.key = y.key GROUP BY x.key) a
+join tab_part b on a.k1 = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.k1, a.v1, b.value
+from (select sum(substr(x.value,5)) as v1, x.key as k1 from tab x join tab y on x.key = y.key GROUP BY x.key) a
+join tab_part b on a.k1 = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 3 (CUSTOM_EDGE)
+        Map 4 <- Reducer 2 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: x
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Group By Operator
+                        aggregations: sum(substr(_col1, 5))
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 133 Data size: 1411 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: double)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: y
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 _col1 (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col3
+                      input vertices:
+                        0 Reducer 2
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col1 (type: int), _col0 (type: double), _col3 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: sum(VALUE._col0)
+                keys: KEY._col0 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 66 Data size: 700 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: double), _col0 (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 66 Data size: 700 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col1 (type: int)
+                    sort order: +
+                    Map-reduce partition columns: _col1 (type: int)
+                    Statistics: Num rows: 66 Data size: 700 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: double)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: -- multi-way join
+explain
+select a.key, a.value, b.value
+from tab_part a join tab b on a.key = b.key join tab c on a.key = c.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- multi-way join
+explain
+select a.key, a.value, b.value
+from tab_part a join tab b on a.key = b.key join tab c on a.key = c.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 2 (CUSTOM_EDGE), Map 3 (CUSTOM_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                           Inner Join 0 to 2
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                        2 key (type: int)
+                      outputColumnNames: _col0, _col1, _col7
+                      input vertices:
+                        1 Map 2
+                        2 Map 3
+                      Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select a.key, a.value, c.value
+from (select x.key, x.value from tab_part x join tab y on x.key = y.key) a join tab c on a.key = c.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.key, a.value, c.value
+from (select x.key, x.value from tab_part x join tab y on x.key = y.key) a join tab c on a.key = c.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 2 (CUSTOM_EDGE), Map 3 (CUSTOM_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: x
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1
+                      input vertices:
+                        1 Map 2
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Map Join Operator
+                        condition map:
+                             Inner Join 0 to 1
+                        keys:
+                          0 _col0 (type: int)
+                          1 key (type: int)
+                        outputColumnNames: _col0, _col1, _col3
+                        input vertices:
+                          1 Map 3
+                        Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                        HybridGraceHashJoin: true
+                        Select Operator
+                          expressions: _col0 (type: int), _col1 (type: string), _col3 (type: string)
+                          outputColumnNames: _col0, _col1, _col2
+                          Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                          File Output Operator
+                            compressed: false
+                            Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: y
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: -- in this case sub-query is the small table
+explain
+select a.key, a.value, b.value
+from (select key, sum(substr(srcbucket_mapjoin.value,5)) as value from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab_part b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- in this case sub-query is the small table
+explain
+select a.key, a.value, b.value
+from (select key, sum(substr(srcbucket_mapjoin.value,5)) as value from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab_part b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 3 <- Reducer 2 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: srcbucket_mapjoin
+                  Statistics: Num rows: 27 Data size: 2808 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: sum(substr(value, 5))
+                      keys: key (type: int)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: int)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: int)
+                        Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: double)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 _col0 (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col3
+                      input vertices:
+                        0 Reducer 2
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: double), _col3 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: sum(VALUE._col0)
+                keys: KEY._col0 (type: int)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Map-reduce partition columns: _col0 (type: int)
+                  Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col1 (type: double)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select a.key, a.value, b.value
+from (select key, sum(substr(srcbucket_mapjoin.value,5)) as value from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab_part b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.key, a.value, b.value
+from (select key, sum(substr(srcbucket_mapjoin.value,5)) as value from srcbucket_mapjoin GROUP BY srcbucket_mapjoin.key) a
+join tab_part b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 3 <- Reducer 2 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: srcbucket_mapjoin
+                  Statistics: Num rows: 27 Data size: 2808 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 14 Data size: 1456 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: substr(value, 5) (type: string)
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 _col0 (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col3
+                      input vertices:
+                        0 Reducer 2
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: double), _col3 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: sum(VALUE._col0)
+                keys: KEY._col0 (type: int)
+                mode: complete
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Map-reduce partition columns: _col0 (type: int)
+                  Statistics: Num rows: 7 Data size: 728 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col1 (type: double)
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: -- join on non-bucketed column results in broadcast join.
+explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.value = b.value
+PREHOOK: type: QUERY
+POSTHOOK: query: -- join on non-bucketed column results in broadcast join.
+explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.value = b.value
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 2 <- Map 1 (BROADCAST_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: value is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: value (type: string)
+                      sort order: +
+                      Map-reduce partition columns: value (type: string)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: key (type: int)
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: value is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 value (type: string)
+                        1 value (type: string)
+                      outputColumnNames: _col0, _col1, _col7
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: CREATE TABLE tab1(key int, value string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tab1
+POSTHOOK: query: CREATE TABLE tab1(key int, value string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tab1
+PREHOOK: query: insert overwrite table tab1
+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@tab1
+POSTHOOK: query: insert overwrite table tab1
+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@tab1
+POSTHOOK: Lineage: tab1.key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: tab1.value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
+PREHOOK: query: explain
+select a.key, a.value, b.value
+from tab1 a join tab_part b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.key, a.value, b.value
+from tab1 a join tab_part b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 2 <- Map 1 (CUSTOM_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1, _col6
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain select a.key, b.key from tab_part a join tab_part c on a.key = c.key join tab_part b on a.value = b.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.key, b.key from tab_part a join tab_part c on a.key = c.key join tab_part b on a.value = b.value
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 2 <- Map 1 (CUSTOM_EDGE), Map 3 (BROADCAST_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key is not null and value is not null) (type: boolean)
+                    Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      outputColumnNames: _col0, _col1
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Map Join Operator
+                        condition map:
+                             Inner Join 0 to 1
+                        keys:
+                          0 _col1 (type: string)
+                          1 value (type: string)
+                        outputColumnNames: _col0, _col12
+                        input vertices:
+                          1 Map 3
+                        Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                        HybridGraceHashJoin: true
+                        Select Operator
+                          expressions: _col0 (type: int), _col12 (type: int)
+                          outputColumnNames: _col0, _col1
+                          Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                          File Output Operator
+                            compressed: false
+                            Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: value is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: value (type: string)
+                      sort order: +
+                      Map-reduce partition columns: value (type: string)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: key (type: int)
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.key = b.key and a.ds = b.ds
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select a.key, a.value, b.value
+from tab a join tab_part b on a.key = b.key and a.ds = b.ds
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 2 <- Map 1 (BROADCAST_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 242 Data size: 2566 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int), ds (type: string)
+                      sort order: ++
+                      Map-reduce partition columns: key (type: int), ds (type: string)
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+                    Select Operator
+                      expressions: ds (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                        Dynamic Partitioning Event Operator
+                          Target Input: b
+                          Partition key expr: ds
+                          Statistics: Num rows: 121 Data size: 1283 Basic stats: COMPLETE Column stats: NONE
+                          Target column: ds
+                          Target Vertex: Map 2
+            Execution mode: llap
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int), ds (type: string)
+                        1 key (type: int), ds (type: string)
+                      outputColumnNames: _col0, _col1, _col7
+                      input vertices:
+                        0 Map 1
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      HybridGraceHashJoin: true
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                          table:
+                              input format: org.apache.hadoop.mapred.TextInputFormat
+                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Execution mode: llap
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+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 where key = 411
+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: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 3 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count()
+                mode: complete
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  table:
+                      input format: org.apache.hadoop.mapred.TextInputFormat
+                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select count(*)
+from tab_part a join tab 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 tab_part a join tab 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 ####
+1
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+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 where key = 411
+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: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Map 3 (CUSTOM_EDGE)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                      input vertices:
+                        1 Map 3
+                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int)
+                      sort order: +
+                      Map-reduce partition columns: key (type: int)
+                      Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count()
+                mode: complete
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  table:
+                      input format: org.apache.hadoop.mapred.TextInputFormat
+                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select count(*)
+from tab_part a join tab 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 tab_part a join tab 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 ####
+1