http://git-wip-us.apache.org/repos/asf/hive/blob/1f258e96/ql/src/test/results/clientpositive/llap/semijoin.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/semijoin.q.out 
b/ql/src/test/results/clientpositive/llap/semijoin.q.out
new file mode 100644
index 0000000..ad43098
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/semijoin.q.out
@@ -0,0 +1,2751 @@
+PREHOOK: query: -- SORT_QUERY_RESULTS
+
+create table t1 as select cast(key as int) key, value from src where key <= 10
+PREHOOK: type: CREATETABLE_AS_SELECT
+PREHOOK: Input: default@src
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t1
+POSTHOOK: query: -- SORT_QUERY_RESULTS
+
+create table t1 as select cast(key as int) key, value from src where key <= 10
+POSTHOOK: type: CREATETABLE_AS_SELECT
+POSTHOOK: Input: default@src
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t1
+POSTHOOK: Lineage: t1.key EXPRESSION [(src)src.FieldSchema(name:key, 
type:string, comment:default), ]
+POSTHOOK: Lineage: t1.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
+PREHOOK: query: select * from t1 sort by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 sort by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+10     val_10
+2      val_2
+4      val_4
+5      val_5
+5      val_5
+5      val_5
+8      val_8
+9      val_9
+PREHOOK: query: create table t2 as select cast(2*key as int) key, value from t1
+PREHOOK: type: CREATETABLE_AS_SELECT
+PREHOOK: Input: default@t1
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t2
+POSTHOOK: query: create table t2 as select cast(2*key as int) key, value from 
t1
+POSTHOOK: type: CREATETABLE_AS_SELECT
+POSTHOOK: Input: default@t1
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t2
+POSTHOOK: Lineage: t2.key EXPRESSION [(t1)t1.FieldSchema(name:key, type:int, 
comment:null), ]
+POSTHOOK: Lineage: t2.value SIMPLE [(t1)t1.FieldSchema(name:value, 
type:string, comment:null), ]
+PREHOOK: query: select * from t2 sort by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t2 sort by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+10     val_5
+10     val_5
+10     val_5
+16     val_8
+18     val_9
+20     val_10
+4      val_2
+8      val_4
+PREHOOK: query: create table t3 as select * from (select * from t1 union all 
select * from t2) b
+PREHOOK: type: CREATETABLE_AS_SELECT
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t3
+POSTHOOK: query: create table t3 as select * from (select * from t1 union all 
select * from t2) b
+POSTHOOK: type: CREATETABLE_AS_SELECT
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t3
+POSTHOOK: Lineage: t3.key EXPRESSION [(t1)t1.FieldSchema(name:key, type:int, 
comment:null), (t2)t2.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: t3.value EXPRESSION [(t1)t1.FieldSchema(name:value, 
type:string, comment:null), (t2)t2.FieldSchema(name:value, type:string, 
comment:null), ]
+PREHOOK: query: select * from t3 sort by key, value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t3 sort by key, value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+10     val_10
+10     val_5
+10     val_5
+10     val_5
+16     val_8
+18     val_9
+2      val_2
+20     val_10
+4      val_2
+4      val_4
+5      val_5
+5      val_5
+5      val_5
+8      val_4
+8      val_8
+9      val_9
+PREHOOK: query: create table t4 (key int, value string)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@t4
+POSTHOOK: query: create table t4 (key int, value string)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@t4
+PREHOOK: query: select * from t4
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t4
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t4
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t4
+#### A masked pattern was here ####
+PREHOOK: query: explain select * from t1 a left semi join t2 b on a.key=b.key 
sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 a left semi join t2 b on a.key=b.key 
sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t1 a left semi join t2 b on a.key=b.key sort by 
a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 a left semi join t2 b on a.key=b.key sort by 
a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+10     val_10
+4      val_4
+8      val_8
+PREHOOK: query: explain select * from t2 a left semi join t1 b on b.key=a.key 
sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t2 a left semi join t1 b on b.key=a.key 
sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t2 a left semi join t1 b on b.key=a.key sort by 
a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t2 a left semi join t1 b on b.key=a.key sort by 
a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+10     val_5
+10     val_5
+10     val_5
+4      val_2
+8      val_4
+PREHOOK: query: explain select * from t1 a left semi join t4 b on b.key=a.key 
sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 a left semi join t4 b on b.key=a.key 
sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL 
Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: 
PARTIAL Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 0 Basic stats: 
PARTIAL Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 1 Data size: 0 Basic stats: 
PARTIAL Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t1 a left semi join t4 b on b.key=a.key sort by 
a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t4
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 a left semi join t4 b on b.key=a.key sort by 
a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t4
+#### A masked pattern was here ####
+PREHOOK: query: explain select a.value from t1 a left semi join t3 b on (b.key 
= a.key and b.key < '15') sort by a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.value from t1 a left semi join t3 b on 
(b.key = a.key and b.key < '15') sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key < 15) (type: boolean)
+                    Statistics: Num rows: 7 Data size: 51 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 7 Data size: 51 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col1 (type: int), _col1 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 7 Data size: 51 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: 51 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col1 (type: int)
+                outputColumnNames: _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Statistics: Num rows: 12 Data size: 86 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.value from t1 a left semi join t3 b on (b.key = a.key 
and b.key < '15') sort by a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select a.value from t1 a left semi join t3 b on (b.key = 
a.key and b.key < '15') sort by a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+val_0
+val_0
+val_0
+val_10
+val_2
+val_4
+val_5
+val_5
+val_5
+val_8
+val_9
+PREHOOK: query: explain select * from t1 a left semi join t2 b on a.key = 
b.key and b.value < "val_10" sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 a left semi join t2 b on a.key = 
b.key and b.value < "val_10" sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: ((value < 'val_10') and key is not null) (type: 
boolean)
+                    Statistics: Num rows: 3 Data size: 22 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int), value (type: string)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 3 Data size: 22 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int), _col1 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 3 Data size: 22 Basic stats: 
COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 3 Data size: 22 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t1 a left semi join t2 b on a.key = b.key and 
b.value < "val_10" sort by a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 a left semi join t2 b on a.key = b.key and 
b.value < "val_10" sort by a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+PREHOOK: query: explain select a.value from t1 a left semi join (select key 
from t3 where key > 5) b on a.key = b.key sort by a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.value from t1 a left semi join (select key 
from t3 where key > 5) b on a.key = b.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: t3
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key > 5) (type: boolean)
+                    Statistics: Num rows: 7 Data size: 51 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 7 Data size: 51 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 7 Data size: 51 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: 51 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Statistics: Num rows: 12 Data size: 86 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.value from t1 a left semi join (select key from t3 
where key > 5) b on a.key = b.key sort by a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select a.value from t1 a left semi join (select key from t3 
where key > 5) b on a.key = b.key sort by a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+val_10
+val_8
+val_9
+PREHOOK: query: explain select a.value from t1 a left semi join (select key , 
value from t2 where key > 5) b on a.key = b.key and b.value <= 'val_20' sort by 
a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.value from t1 a left semi join (select key , 
value from t2 where key > 5) b on a.key = b.key and b.value <= 'val_20' sort by 
a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: t2
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: ((key > 5) and (value <= 'val_20')) (type: 
boolean)
+                    Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE 
Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int), value (type: string)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1 Data size: 7 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int), _col1 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 1 Data size: 7 Basic stats: 
COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 1 Data size: 7 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Select Operator
+                  expressions: _col1 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Statistics: Num rows: 12 Data size: 86 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.value from t1 a left semi join (select key , value 
from t2 where key > 5) b on a.key = b.key and b.value <= 'val_20' sort by 
a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select a.value from t1 a left semi join (select key , value 
from t2 where key > 5) b on a.key = b.key and b.value <= 'val_20' sort by 
a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+PREHOOK: query: explain select * from t2 a left semi join (select key , value 
from t1 where key > 2) b on a.key = b.key sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t2 a left semi join (select key , value 
from t1 where key > 2) b on a.key = b.key sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: t1
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: (key > 2) (type: boolean)
+                    Statistics: Num rows: 3 Data size: 21 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 3 Data size: 21 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 3 Data size: 21 Basic stats: 
COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col0 (type: int)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: int)
+                          Statistics: Num rows: 3 Data size: 21 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 92 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t2 a left semi join (select key , value from t1 
where key > 2) b on a.key = b.key sort by a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t2 a left semi join (select key , value from t1 
where key > 2) b on a.key = b.key sort by a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+10     val_5
+10     val_5
+10     val_5
+4      val_2
+8      val_4
+PREHOOK: query: explain select /*+ mapjoin(b) */ a.key from t3 a left semi 
join t1 b on a.key = b.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select /*+ mapjoin(b) */ a.key from t3 a left semi 
join t1 b on a.key = b.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 24 Data size: 179 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Statistics: Num rows: 24 Data size: 179 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 24 Data size: 179 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 24 Data size: 179 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select /*+ mapjoin(b) */ a.key from t3 a left semi join t1 b 
on a.key = b.key sort by a.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select /*+ mapjoin(b) */ a.key from t3 a left semi join t1 b 
on a.key = b.key sort by a.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0
+0
+0
+0
+0
+0
+10
+10
+10
+10
+2
+4
+4
+5
+5
+5
+8
+8
+9
+PREHOOK: query: explain select * from t1 a left semi join t2 b on a.key = 
2*b.key sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 a left semi join t2 b on a.key = 
2*b.key sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: (2 * key) is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: (2 * _col0) (type: int)
+                          sort order: +
+                          Map-reduce partition columns: (2 * _col0) (type: int)
+                          Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int)
+                  1 (2 * _col0) (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 12 Data size: 86 Basic stats: COMPLETE 
Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t1 a left semi join t2 b on a.key = 2*b.key sort 
by a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 a left semi join t2 b on a.key = 2*b.key 
sort by a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+8      val_8
+PREHOOK: query: explain select * from t1 a join t2 b on a.key = b.key left 
semi join t3 c on b.key = c.key sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t1 a join t2 b on a.key = b.key left 
semi join t3 c on b.key = c.key sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                     Left Semi Join 1 to 2
+                keys:
+                  0 key (type: int)
+                  1 key (type: int)
+                  2 _col0 (type: int)
+                outputColumnNames: _col0, _col1, _col5, _col6
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                Select Operator
+                  expressions: _col0 (type: int), _col1 (type: string), _col5 
(type: int), _col6 (type: string)
+                  outputColumnNames: _col0, _col1, _col2, _col3
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: int), _col1 (type: string)
+                    sort order: ++
+                    Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                    value expressions: _col2 (type: int), _col3 (type: string)
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string), VALUE._col0 (type: int), VALUE._col1 (type: 
string)
+                outputColumnNames: _col0, _col1, _col2, _col3
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t1 a join t2 b on a.key = b.key left semi join 
t3 c on b.key = c.key sort by a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t1 a join t2 b on a.key = b.key left semi join 
t3 c on b.key = c.key sort by a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+0      val_0   0       val_0
+10     val_10  10      val_5
+10     val_10  10      val_5
+10     val_10  10      val_5
+4      val_4   4       val_2
+8      val_8   8       val_4
+PREHOOK: query: explain select * from t3 a left semi join t1 b on a.key = 
b.key and a.value=b.value sort by a.key, a.value
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from t3 a left semi join t1 b on a.key = 
b.key and a.value=b.value sort by a.key, a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key is not null and value is not null) (type: 
boolean)
+                    Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: key (type: int), value (type: string)
+                      sort order: ++
+                      Map-reduce partition columns: key (type: int), value 
(type: string)
+                      Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: (key is not null and value is not null) (type: 
boolean)
+                    Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int), value (type: string)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int), _col1 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                keys:
+                  0 key (type: int), value (type: string)
+                  1 _col0 (type: int), _col1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 24 Data size: 179 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int), _col1 (type: string)
+                  sort order: ++
+                  Statistics: Num rows: 24 Data size: 179 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int), 
KEY.reducesinkkey1 (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 24 Data size: 179 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 24 Data size: 179 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select * from t3 a left semi join t1 b on a.key = b.key and 
a.value=b.value sort by a.key, a.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select * from t3 a left semi join t1 b on a.key = b.key and 
a.value=b.value sort by a.key, a.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+0      val_0
+10     val_10
+2      val_2
+4      val_4
+5      val_5
+5      val_5
+5      val_5
+8      val_8
+9      val_9
+PREHOOK: query: explain select /*+ mapjoin(b, c) */ a.key from t3 a left semi 
join t1 b on a.key = b.key left semi join t2 c on a.key = c.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select /*+ mapjoin(b, c) */ a.key from t3 a left semi 
join t1 b on a.key = b.key left semi join t2 c on a.key = c.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 79 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Filter Operator
+                    predicate: key is not null (type: boolean)
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: key (type: int)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                      Group By Operator
+                        keys: _col0 (type: int)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Semi Join 0 to 1
+                     Left Semi Join 0 to 2
+                keys:
+                  0 key (type: int)
+                  1 _col0 (type: int)
+                  2 _col0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select /*+ mapjoin(b, c) */ a.key from t3 a left semi join t1 
b on a.key = b.key left semi join t2 c on a.key = c.key sort by a.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select /*+ mapjoin(b, c) */ a.key from t3 a left semi join t1 
b on a.key = b.key left semi join t2 c on a.key = c.key sort by a.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0
+0
+0
+0
+0
+0
+10
+10
+10
+10
+4
+4
+8
+8
+PREHOOK: query: explain select a.key from t3 a left outer join t1 b on a.key = 
b.key left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.key from t3 a left outer join t1 b on a.key 
= b.key left semi join t2 c on b.key = c.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Select Operator
+                    expressions: key (type: int)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: int)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Left Outer Join0 to 1
+                     Left Semi Join 1 to 2
+                keys:
+                  0 key (type: int)
+                  1 key (type: int)
+                  2 _col0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.key from t3 a left outer join t1 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select a.key from t3 a left outer join t1 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+10
+10
+10
+10
+4
+4
+8
+8
+PREHOOK: query: explain select a.key from t1 a right outer join t3 b on a.key 
= b.key left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.key from t1 a right outer join t3 b on a.key 
= b.key left semi join t2 c on b.key = c.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Select Operator
+                    expressions: key (type: int)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: int)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Right Outer Join0 to 1
+                     Left Semi Join 1 to 2
+                keys:
+                  0 key (type: int)
+                  1 key (type: int)
+                  2 _col0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.key from t1 a right outer join t3 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select a.key from t1 a right outer join t3 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+10
+10
+10
+10
+4
+4
+8
+8
+NULL
+NULL
+NULL
+PREHOOK: query: explain select a.key from t1 a full outer join t3 b on a.key = 
b.key left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.key from t1 a full outer join t3 b on a.key 
= b.key left semi join t2 c on b.key = c.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 11 Data size: 79 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: 11 Data size: 79 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: c
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Select Operator
+                    expressions: key (type: int)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: int)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 11 Data size: 84 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: 11 Data size: 84 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Reducer 2 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Merge Join Operator
+                condition map:
+                     Outer Join 0 to 1
+                     Left Semi Join 1 to 2
+                keys:
+                  0 key (type: int)
+                  1 key (type: int)
+                  2 _col0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: int)
+                  sort order: +
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+        Reducer 3 
+            Execution mode: llap
+            Reduce Operator Tree:
+              Select Operator
+                expressions: KEY.reducesinkkey0 (type: int)
+                outputColumnNames: _col0
+                Statistics: Num rows: 48 Data size: 358 Basic stats: COMPLETE 
Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 48 Data size: 358 Basic stats: 
COMPLETE Column stats: NONE
+                  table:
+                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select a.key from t1 a full outer join t3 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select a.key from t1 a full outer join t3 b on a.key = b.key 
left semi join t2 c on b.key = c.key sort by a.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+10
+10
+10
+10
+4
+4
+8
+8
+NULL
+NULL
+NULL
+PREHOOK: query: explain select a.key from t3 a left semi join t2 b on a.key = 
b.key left outer join t1 c on a.key = c.key sort by a.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select a.key from t3 a left semi join t2 b on a.key = 
b.key left outer join t1 c on a.key = c.key sort by a.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
+#### A masked pattern was here ####
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE), Map 5 
(SIMPLE_EDGE)
+        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 22 Data size: 163 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: 22 Data size: 163 Basic stats: 
COMPLETE Column stats: NONE
+            Execution mode: llap
+            LLAP IO: no inputs
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 11 Data size: 84 Basic stats: COMPLETE 
Column stats: NONE
+                  Select Operator
+                    expressions: key (type: int)
+       

<TRUNCATED>

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