http://git-wip-us.apache.org/repos/asf/hive/blob/975a49b6/ql/src/test/results/clientpositive/tez/limit_pushdown.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/limit_pushdown.q.out 
b/ql/src/test/results/clientpositive/tez/limit_pushdown.q.out
deleted file mode 100644
index 9e58db5..0000000
--- a/ql/src/test/results/clientpositive/tez/limit_pushdown.q.out
+++ /dev/null
@@ -1,1468 +0,0 @@
-PREHOOK: query: -- SORT_QUERY_RESULTS
-
--- HIVE-3562 Some limit can be pushed down to map stage
-
-explain
-select key,value from src order by key limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- SORT_QUERY_RESULTS
-
--- HIVE-3562 Some limit can be pushed down to map stage
-
-explain
-select key,value from src order by key limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: +
-                      Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      TopN Hash Memory Usage: 0.3
-                      value expressions: _col1 (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 
(type: string)
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 3560 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 3560 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select key,value from src order by key limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select key,value from src order by key limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-0      val_0
-0      val_0
-0      val_0
-10     val_10
-100    val_100
-100    val_100
-103    val_103
-103    val_103
-104    val_104
-104    val_104
-105    val_105
-11     val_11
-111    val_111
-113    val_113
-113    val_113
-114    val_114
-116    val_116
-118    val_118
-118    val_118
-119    val_119
-PREHOOK: query: explain
-select key,value from src order by key desc limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: explain
-select key,value from src order by key desc limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: -
-                      Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      TopN Hash Memory Usage: 0.3
-                      value expressions: _col1 (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 
(type: string)
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 3560 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 3560 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select key,value from src order by key desc limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select key,value from src order by key desc limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-82     val_82
-83     val_83
-83     val_83
-84     val_84
-84     val_84
-85     val_85
-86     val_86
-87     val_87
-9      val_9
-90     val_90
-90     val_90
-90     val_90
-92     val_92
-95     val_95
-95     val_95
-96     val_96
-97     val_97
-97     val_97
-98     val_98
-98     val_98
-PREHOOK: query: explain
-select value, sum(key + 1) as sum from src group by value order by value limit 
20
-PREHOOK: type: QUERY
-POSTHOOK: query: explain
-select value, sum(key + 1) as sum from src group by value order by value limit 
20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: value (type: string), (UDFToDouble(key) + 
1.0) (type: double)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: sum(_col1)
-                      keys: _col0 (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 214 Data size: 21186 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-                        value expressions: _col1 (type: double)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: sum(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select value, sum(key + 1) as sum from src group by value 
order by value limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select value, sum(key + 1) as sum from src group by value 
order by value limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-val_0  3.0
-val_10 11.0
-val_100        202.0
-val_103        208.0
-val_104        210.0
-val_105        106.0
-val_11 12.0
-val_111        112.0
-val_113        228.0
-val_114        115.0
-val_116        117.0
-val_118        238.0
-val_119        360.0
-val_12 26.0
-val_120        242.0
-val_125        252.0
-val_126        127.0
-val_128        387.0
-val_129        260.0
-val_131        132.0
-PREHOOK: query: -- deduped RS
-explain
-select value,avg(key + 1) from src group by value order by value limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- deduped RS
-explain
-select value,avg(key + 1) from src group by value order by value limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: value (type: string), (UDFToDouble(key) + 
1.0) (type: double)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: avg(_col1)
-                      keys: _col0 (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 214 Data size: 36594 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 214 Data size: 36594 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-                        value expressions: _col1 (type: 
struct<count:bigint,sum:double,input:double>)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: avg(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select value,avg(key + 1) from src group by value order by 
value limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select value,avg(key + 1) from src group by value order by 
value limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-val_0  1.0
-val_10 11.0
-val_100        101.0
-val_103        104.0
-val_104        105.0
-val_105        106.0
-val_11 12.0
-val_111        112.0
-val_113        114.0
-val_114        115.0
-val_116        117.0
-val_118        119.0
-val_119        120.0
-val_12 13.0
-val_120        121.0
-val_125        126.0
-val_126        127.0
-val_128        129.0
-val_129        130.0
-val_131        132.0
-PREHOOK: query: -- distincts
-explain
-select distinct(cdouble) as dis from alltypesorc order by dis limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- distincts
-explain
-select distinct(cdouble) as dis from alltypesorc order by dis limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: alltypesorc
-                  Statistics: Num rows: 12288 Data size: 73400 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: cdouble (type: double)
-                    outputColumnNames: cdouble
-                    Statistics: Num rows: 12288 Data size: 73400 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      keys: cdouble (type: double)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 4265 Data size: 25480 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: double)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: double)
-                        Statistics: Num rows: 4265 Data size: 25480 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: double)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 4265 Data size: 25480 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 128 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 128 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select distinct(cdouble) as dis from alltypesorc order by dis 
limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
-POSTHOOK: query: select distinct(cdouble) as dis from alltypesorc order by dis 
limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
--16269.0
--16274.0
--16277.0
--16280.0
--16296.0
--16300.0
--16305.0
--16306.0
--16307.0
--16309.0
--16310.0
--16311.0
--16324.0
--16339.0
--16355.0
--16369.0
--16372.0
--16373.0
--16379.0
-NULL
-PREHOOK: query: explain
-select ctinyint, count(distinct(cdouble)) from alltypesorc group by ctinyint 
order by ctinyint limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: explain
-select ctinyint, count(distinct(cdouble)) from alltypesorc group by ctinyint 
order by ctinyint limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: alltypesorc
-                  Statistics: Num rows: 12288 Data size: 110096 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: ctinyint (type: tinyint), cdouble (type: 
double)
-                    outputColumnNames: ctinyint, cdouble
-                    Statistics: Num rows: 12288 Data size: 110096 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      keys: ctinyint (type: tinyint), cdouble (type: double)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 6144 Data size: 55052 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: tinyint), _col1 (type: 
double)
-                        sort order: ++
-                        Map-reduce partition columns: _col0 (type: tinyint)
-                        Statistics: Num rows: 6144 Data size: 55052 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: tinyint), KEY._col1 (type: double)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 6144 Data size: 55052 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Group By Operator
-                  aggregations: count(_col1)
-                  keys: _col0 (type: tinyint)
-                  mode: complete
-                  outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 95 Data size: 1048 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Limit
-                    Number of rows: 20
-                    Statistics: Num rows: 20 Data size: 224 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    File Output Operator
-                      compressed: false
-                      Statistics: Num rows: 20 Data size: 224 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select ctinyint, count(distinct(cdouble)) from alltypesorc 
group by ctinyint order by ctinyint limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
-POSTHOOK: query: select ctinyint, count(distinct(cdouble)) from alltypesorc 
group by ctinyint order by ctinyint limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
--46    24
--47    22
--48    29
--49    26
--50    30
--51    21
--52    33
--53    22
--54    26
--55    29
--56    36
--57    35
--58    23
--59    31
--60    27
--61    25
--62    27
--63    19
--64    24
-NULL   2932
-PREHOOK: query: explain 
-select ctinyint, count(cdouble) from (select ctinyint, cdouble from 
alltypesorc group by ctinyint, cdouble) t1 group by ctinyint order by ctinyint 
limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: explain 
-select ctinyint, count(cdouble) from (select ctinyint, cdouble from 
alltypesorc group by ctinyint, cdouble) t1 group by ctinyint order by ctinyint 
limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: alltypesorc
-                  Statistics: Num rows: 12288 Data size: 110096 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: ctinyint (type: tinyint), cdouble (type: 
double)
-                    outputColumnNames: ctinyint, cdouble
-                    Statistics: Num rows: 12288 Data size: 110096 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      keys: ctinyint (type: tinyint), cdouble (type: double)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 6144 Data size: 55052 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: tinyint), _col1 (type: 
double)
-                        sort order: ++
-                        Map-reduce partition columns: _col0 (type: tinyint)
-                        Statistics: Num rows: 6144 Data size: 55052 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: tinyint), KEY._col1 (type: double)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 6144 Data size: 55052 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Group By Operator
-                  aggregations: count(_col1)
-                  keys: _col0 (type: tinyint)
-                  mode: complete
-                  outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 95 Data size: 1048 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Limit
-                    Number of rows: 20
-                    Statistics: Num rows: 20 Data size: 224 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    File Output Operator
-                      compressed: false
-                      Statistics: Num rows: 20 Data size: 224 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select ctinyint, count(cdouble) from (select ctinyint, cdouble 
from alltypesorc group by ctinyint, cdouble) t1 group by ctinyint order by 
ctinyint limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
-POSTHOOK: query: select ctinyint, count(cdouble) from (select ctinyint, 
cdouble from alltypesorc group by ctinyint, cdouble) t1 group by ctinyint order 
by ctinyint limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
--46    24
--47    22
--48    29
--49    26
--50    30
--51    21
--52    33
--53    22
--54    26
--55    29
--56    36
--57    35
--58    23
--59    31
--60    27
--61    25
--62    27
--63    19
--64    24
-NULL   2932
-PREHOOK: query: -- multi distinct
-explain
-select ctinyint, count(distinct(cstring1)), count(distinct(cstring2)) from 
alltypesorc group by ctinyint order by ctinyint limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- multi distinct
-explain
-select ctinyint, count(distinct(cstring1)), count(distinct(cstring2)) from 
alltypesorc group by ctinyint order by ctinyint limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: alltypesorc
-                  Statistics: Num rows: 12288 Data size: 1779850 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: ctinyint (type: tinyint), cstring1 (type: 
string), cstring2 (type: string)
-                    outputColumnNames: ctinyint, cstring1, cstring2
-                    Statistics: Num rows: 12288 Data size: 1779850 Basic 
stats: COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: count(DISTINCT cstring1), count(DISTINCT 
cstring2)
-                      keys: ctinyint (type: tinyint), cstring1 (type: string), 
cstring2 (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1, _col2, _col3, _col4
-                      Statistics: Num rows: 12288 Data size: 1976458 Basic 
stats: COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: tinyint), _col1 (type: 
string), _col2 (type: string)
-                        sort order: +++
-                        Map-reduce partition columns: _col0 (type: tinyint)
-                        Statistics: Num rows: 12288 Data size: 1976458 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(DISTINCT KEY._col1:0._col0), 
count(DISTINCT KEY._col1:1._col0)
-                keys: KEY._col0 (type: tinyint)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 95 Data size: 1808 Basic stats: COMPLETE 
Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 384 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 384 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select ctinyint, count(distinct(cstring1)), 
count(distinct(cstring2)) from alltypesorc group by ctinyint order by ctinyint 
limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
-POSTHOOK: query: select ctinyint, count(distinct(cstring1)), 
count(distinct(cstring2)) from alltypesorc group by ctinyint order by ctinyint 
limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@alltypesorc
-#### A masked pattern was here ####
--46    3       19
--47    3       23
--48    3       27
--49    3       24
--50    3       25
--51    1012    1045
--52    3       21
--53    3       17
--54    3       21
--55    3       21
--56    3       22
--57    3       23
--58    3       24
--59    3       27
--60    3       25
--61    3       25
--62    3       23
--63    3       16
--64    3       13
-NULL   3065    3
-PREHOOK: query: -- limit zero
-explain
-select key,value from src order by key limit 0
-PREHOOK: type: QUERY
-POSTHOOK: query: -- limit zero
-explain
-select key,value from src order by key limit 0
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-0 is a root stage
-
-STAGE PLANS:
-  Stage: Stage-0
-    Fetch Operator
-      limit: 0
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select key,value from src order by key limit 0
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select key,value from src order by key limit 0
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-PREHOOK: query: -- 2MR (applied to last RS)
-explain
-select value, sum(key) as sum from src group by value order by sum limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- 2MR (applied to last RS)
-explain
-select value, sum(key) as sum from src group by value order by sum limit 20
-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)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: value (type: string), key (type: string)
-                    outputColumnNames: value, key
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: sum(key)
-                      keys: value (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 214 Data size: 21186 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        value expressions: _col1 (type: double)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: sum(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Reduce Output Operator
-                  key expressions: _col1 (type: double)
-                  sort order: +
-                  Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  TopN Hash Memory Usage: 0.3
-                  value expressions: _col0 (type: string)
-        Reducer 3 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: VALUE._col0 (type: string), KEY.reducesinkkey0 
(type: double)
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select value, sum(key) as sum from src group by value order by 
sum limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select value, sum(key) as sum from src group by value order 
by sum limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-val_0  0.0
-val_10 10.0
-val_11 11.0
-val_12 24.0
-val_15 30.0
-val_17 17.0
-val_18 36.0
-val_19 19.0
-val_2  2.0
-val_20 20.0
-val_27 27.0
-val_28 28.0
-val_30 30.0
-val_33 33.0
-val_34 34.0
-val_4  4.0
-val_41 41.0
-val_5  15.0
-val_8  8.0
-val_9  9.0
-PREHOOK: query: -- subqueries
-explain
-select * from
-(select key, count(1) from src group by key order by key limit 2) subq
-join
-(select key, count(1) from src group by key limit 3) subq2
-on subq.key=subq2.key limit 4
-PREHOOK: type: QUERY
-POSTHOOK: query: -- subqueries
-explain
-select * from
-(select key, count(1) from src group by key order by key limit 2) subq
-join
-(select key, count(1) from src group by key limit 3) subq2
-on subq.key=subq2.key limit 4
-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)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE)
-        Reducer 5 <- Map 4 (SIMPLE_EDGE)
-        Reducer 6 <- Reducer 5 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: _col0
-                    Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: count(1)
-                      keys: _col0 (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 205 Data size: 19475 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 205 Data size: 19475 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-                        value expressions: _col1 (type: bigint)
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: _col0
-                    Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Group By Operator
-                      aggregations: count(1)
-                      keys: _col0 (type: string)
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 205 Data size: 19475 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 205 Data size: 19475 Basic 
stats: COMPLETE Column stats: COMPLETE
-                        TopN Hash Memory Usage: 0.3
-                        value expressions: _col1 (type: bigint)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 205 Data size: 19475 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 2
-                  Statistics: Num rows: 2 Data size: 190 Basic stats: COMPLETE 
Column stats: COMPLETE
-                  Filter Operator
-                    predicate: _col0 is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 190 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: +
-                      Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 2 Data size: 190 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      value expressions: _col1 (type: bigint)
-        Reducer 3 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: string)
-                  1 _col0 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3
-                Statistics: Num rows: 2 Data size: 380 Basic stats: COMPLETE 
Column stats: COMPLETE
-                Limit
-                  Number of rows: 4
-                  Statistics: Num rows: 2 Data size: 380 Basic stats: COMPLETE 
Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 2 Data size: 380 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    table:
-                        input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                        output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                        serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 5 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 205 Data size: 19475 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 3
-                  Statistics: Num rows: 3 Data size: 285 Basic stats: COMPLETE 
Column stats: COMPLETE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 3 Data size: 285 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    TopN Hash Memory Usage: 0.3
-                    value expressions: _col0 (type: string), _col1 (type: 
bigint)
-        Reducer 6 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: VALUE._col0 (type: string), VALUE._col1 (type: 
bigint)
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 285 Basic stats: COMPLETE 
Column stats: COMPLETE
-                Limit
-                  Number of rows: 3
-                  Statistics: Num rows: 3 Data size: 285 Basic stats: COMPLETE 
Column stats: COMPLETE
-                  Filter Operator
-                    predicate: _col0 is not null (type: boolean)
-                    Statistics: Num rows: 3 Data size: 285 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: +
-                      Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 3 Data size: 285 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      value expressions: _col1 (type: bigint)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: 4
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: -- map aggregation disabled
-explain
-select value, sum(key) as sum from src group by value order by value limit 20
-PREHOOK: type: QUERY
-POSTHOOK: query: -- map aggregation disabled
-explain
-select value, sum(key) as sum from src group by value order by value limit 20
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: key, value
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: value (type: string)
-                      sort order: +
-                      Map-reduce partition columns: value (type: string)
-                      Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      TopN Hash Memory Usage: 0.3
-                      value expressions: key (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: sum(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: complete
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 214 Data size: 21186 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 20
-                  Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 20 Data size: 1980 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 20
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select value, sum(key) as sum from src group by value order by 
value limit 20
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select value, sum(key) as sum from src group by value order 
by value limit 20
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-val_0  0.0
-val_10 10.0
-val_100        200.0
-val_103        206.0
-val_104        208.0
-val_105        105.0
-val_11 11.0
-val_111        111.0
-val_113        226.0
-val_114        114.0
-val_116        116.0
-val_118        236.0
-val_119        357.0
-val_12 24.0
-val_120        240.0
-val_125        250.0
-val_126        126.0
-val_128        384.0
-val_129        258.0
-val_131        131.0
-PREHOOK: query: -- flush for order-by
-explain
-select key,value,value,value,value,value,value,value,value from src order by 
key limit 100
-PREHOOK: type: QUERY
-POSTHOOK: query: -- flush for order-by
-explain
-select key,value,value,value,value,value,value,value,value from src order by 
key limit 100
-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)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 407500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: +
-                      Statistics: Num rows: 500 Data size: 407500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      TopN Hash Memory Usage: 2.0E-5
-                      value expressions: _col1 (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 
(type: string), VALUE._col0 (type: string), VALUE._col0 (type: string), 
VALUE._col0 (type: string), VALUE._col0 (type: string), VALUE._col0 (type: 
string), VALUE._col0 (type: string), VALUE._col0 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7, _col8
-                Statistics: Num rows: 500 Data size: 407500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 100
-                  Statistics: Num rows: 100 Data size: 81500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 100 Data size: 81500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 100
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select key,value,value,value,value,value,value,value,value 
from src order by key limit 100
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select key,value,value,value,value,value,value,value,value 
from src order by key limit 100
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
-0      val_0   val_0   val_0   val_0   val_0   val_0   val_0   val_0
-0      val_0   val_0   val_0   val_0   val_0   val_0   val_0   val_0
-0      val_0   val_0   val_0   val_0   val_0   val_0   val_0   val_0
-10     val_10  val_10  val_10  val_10  val_10  val_10  val_10  val_10
-100    val_100 val_100 val_100 val_100 val_100 val_100 val_100 val_100
-100    val_100 val_100 val_100 val_100 val_100 val_100 val_100 val_100
-103    val_103 val_103 val_103 val_103 val_103 val_103 val_103 val_103
-103    val_103 val_103 val_103 val_103 val_103 val_103 val_103 val_103
-104    val_104 val_104 val_104 val_104 val_104 val_104 val_104 val_104
-104    val_104 val_104 val_104 val_104 val_104 val_104 val_104 val_104
-105    val_105 val_105 val_105 val_105 val_105 val_105 val_105 val_105
-11     val_11  val_11  val_11  val_11  val_11  val_11  val_11  val_11
-111    val_111 val_111 val_111 val_111 val_111 val_111 val_111 val_111
-113    val_113 val_113 val_113 val_113 val_113 val_113 val_113 val_113
-113    val_113 val_113 val_113 val_113 val_113 val_113 val_113 val_113
-114    val_114 val_114 val_114 val_114 val_114 val_114 val_114 val_114
-116    val_116 val_116 val_116 val_116 val_116 val_116 val_116 val_116
-118    val_118 val_118 val_118 val_118 val_118 val_118 val_118 val_118
-118    val_118 val_118 val_118 val_118 val_118 val_118 val_118 val_118
-119    val_119 val_119 val_119 val_119 val_119 val_119 val_119 val_119
-119    val_119 val_119 val_119 val_119 val_119 val_119 val_119 val_119
-119    val_119 val_119 val_119 val_119 val_119 val_119 val_119 val_119
-12     val_12  val_12  val_12  val_12  val_12  val_12  val_12  val_12
-12     val_12  val_12  val_12  val_12  val_12  val_12  val_12  val_12
-120    val_120 val_120 val_120 val_120 val_120 val_120 val_120 val_120
-120    val_120 val_120 val_120 val_120 val_120 val_120 val_120 val_120
-125    val_125 val_125 val_125 val_125 val_125 val_125 val_125 val_125
-125    val_125 val_125 val_125 val_125 val_125 val_125 val_125 val_125
-126    val_126 val_126 val_126 val_126 val_126 val_126 val_126 val_126
-128    val_128 val_128 val_128 val_128 val_128 val_128 val_128 val_128
-128    val_128 val_128 val_128 val_128 val_128 val_128 val_128 val_128
-128    val_128 val_128 val_128 val_128 val_128 val_128 val_128 val_128
-129    val_129 val_129 val_129 val_129 val_129 val_129 val_129 val_129
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-PREHOOK: query: -- flush for group-by
-explain
-select sum(key) as sum from src group by 
concat(key,value,value,value,value,value,value,value,value,value) order by sum 
limit 100
-PREHOOK: type: QUERY
-POSTHOOK: query: -- flush for group-by
-explain
-select sum(key) as sum from src group by 
concat(key,value,value,value,value,value,value,value,value,value) order by sum 
limit 100
-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)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src
-                  Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    expressions: concat(key, value, value, value, value, 
value, value, value, value, value) (type: string), key (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      key expressions: _col0 (type: string)
-                      sort order: +
-                      Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 500 Data size: 89000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      value expressions: _col1 (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: sum(VALUE._col0)
-                keys: KEY._col0 (type: string)
-                mode: complete
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 96000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Select Operator
-                  expressions: _col1 (type: double)
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 500 Data size: 4000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: double)
-                    sort order: +
-                    Statistics: Num rows: 500 Data size: 4000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    TopN Hash Memory Usage: 2.0E-5
-        Reducer 3 
-            Reduce Operator Tree:
-              Select Operator
-                expressions: KEY.reducesinkkey0 (type: double)
-                outputColumnNames: _col0
-                Statistics: Num rows: 500 Data size: 4000 Basic stats: 
COMPLETE Column stats: COMPLETE
-                Limit
-                  Number of rows: 100
-                  Statistics: Num rows: 100 Data size: 800 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 100 Data size: 800 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    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: 100
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select sum(key) as sum from src group by 
concat(key,value,value,value,value,value,value,value,value,value) order by sum 
limit 100
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-#### A masked pattern was here ####
-POSTHOOK: query: select sum(key) as sum from src group by 
concat(key,value,value,value,value,value,value,value,value,value) order by sum 
limit 100
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-#### A masked pattern was here ####
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http://git-wip-us.apache.org/repos/asf/hive/blob/975a49b6/ql/src/test/results/clientpositive/tez/llap_nullscan.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/llap_nullscan.q.out 
b/ql/src/test/results/clientpositive/tez/llap_nullscan.q.out
deleted file mode 100644
index 944a494..0000000
--- a/ql/src/test/results/clientpositive/tez/llap_nullscan.q.out
+++ /dev/null
@@ -1,446 +0,0 @@
-PREHOOK: query: drop table if exists src_orc
-PREHOOK: type: DROPTABLE
-POSTHOOK: query: drop table if exists src_orc
-POSTHOOK: type: DROPTABLE
-PREHOOK: query: create table src_orc stored as orc as select * from srcpart 
limit 10
-PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@srcpart
-PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
-PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
-PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
-PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
-PREHOOK: Output: database:default
-PREHOOK: Output: default@src_orc
-POSTHOOK: query: create table src_orc stored as orc as select * from srcpart 
limit 10
-POSTHOOK: type: CREATETABLE_AS_SELECT
-POSTHOOK: Input: default@srcpart
-POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
-POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
-POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
-POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@src_orc
-POSTHOOK: Lineage: src_orc.ds SIMPLE [(srcpart)srcpart.FieldSchema(name:ds, 
type:string, comment:null), ]
-POSTHOOK: Lineage: src_orc.hr SIMPLE [(srcpart)srcpart.FieldSchema(name:hr, 
type:string, comment:null), ]
-POSTHOOK: Lineage: src_orc.key SIMPLE [(srcpart)srcpart.FieldSchema(name:key, 
type:string, comment:default), ]
-POSTHOOK: Lineage: src_orc.value SIMPLE 
[(srcpart)srcpart.FieldSchema(name:value, type:string, comment:default), ]
-PREHOOK: query: explain extended
-select * from src_orc where 1=2
-PREHOOK: type: QUERY
-POSTHOOK: query: explain extended
-select * from src_orc where 1=2
-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 ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src_orc
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  GatherStats: false
-                  Filter Operator
-                    isSamplingPred: false
-                    predicate: false (type: boolean)
-                    Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string), 
ds (type: string), hr (type: string)
-                      outputColumnNames: _col0, _col1, _col2, _col3
-                      Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                      File Output Operator
-                        compressed: false
-                        GlobalTableId: 0
-#### A masked pattern was here ####
-                        NumFilesPerFileSink: 1
-                        Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-#### A masked pattern was here ####
-                        table:
-                            input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                            output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                            properties:
-                              columns _col0,_col1,_col2,_col3
-                              columns.types string:string:string:string
-                              escape.delim \
-                              
hive.serialization.extend.additional.nesting.levels true
-                              serialization.escape.crlf true
-                              serialization.format 1
-                              serialization.lib 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-                            serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-                        TotalFiles: 1
-                        GatherStats: false
-                        MultiFileSpray: false
-            Execution mode: vectorized
-            LLAP IO: no inputs
-            Path -> Alias:
-              nullscan://null/default.src_orc/part_ [src_orc]
-            Path -> Partition:
-              nullscan://null/default.src_orc/part_ 
-                Partition
-                  input format: 
org.apache.hadoop.hive.ql.io.OneNullRowInputFormat
-                  output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                  properties:
-                    COLUMN_STATS_ACCURATE {"BASIC_STATS":"true"}
-                    bucket_count -1
-                    columns key,value,ds,hr
-                    columns.comments 
-                    columns.types string:string:string:string
-#### A masked pattern was here ####
-                    name default.src_orc
-                    numFiles 1
-                    numRows 10
-                    rawDataSize 3560
-                    serialization.ddl struct src_orc { string key, string 
value, string ds, string hr}
-                    serialization.format 1
-                    serialization.lib 
org.apache.hadoop.hive.serde2.NullStructSerDe
-                    totalSize 633
-#### A masked pattern was here ####
-                  serde: org.apache.hadoop.hive.serde2.NullStructSerDe
-                
-                    input format: 
org.apache.hadoop.hive.ql.io.orc.OrcInputFormat
-                    output format: 
org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat
-                    properties:
-                      COLUMN_STATS_ACCURATE {"BASIC_STATS":"true"}
-                      bucket_count -1
-                      columns key,value,ds,hr
-                      columns.comments 
-                      columns.types string:string:string:string
-#### A masked pattern was here ####
-                      name default.src_orc
-                      numFiles 1
-                      numRows 10
-                      rawDataSize 3560
-                      serialization.ddl struct src_orc { string key, string 
value, string ds, string hr}
-                      serialization.format 1
-                      serialization.lib 
org.apache.hadoop.hive.ql.io.orc.OrcSerde
-                      totalSize 633
-#### A masked pattern was here ####
-                    serde: org.apache.hadoop.hive.ql.io.orc.OrcSerde
-                    name: default.src_orc
-                  name: default.src_orc
-            Truncated Path -> Alias:
-              nullscan://null/default.src_orc/part_ [src_orc]
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select * from src_orc where 1=2
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-POSTHOOK: query: select * from src_orc where 1=2
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-PREHOOK: query: explain
-select * from (select key from src_orc where false) a left outer join (select 
key from src_orc limit 0) b on a.key=b.key
-PREHOOK: type: QUERY
-POSTHOOK: query: explain
-select * from (select key from src_orc where false) a left outer join (select 
key from src_orc limit 0) 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
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (SIMPLE_EDGE)
-        Reducer 4 <- Map 3 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src_orc
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: false (type: boolean)
-                    Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: vectorized
-            LLAP IO: no inputs
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: src_orc
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: _col0
-                    Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                    Limit
-                      Number of rows: 0
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 
Column stats: NONE
-                      Reduce Output Operator
-                        sort order: 
-                        Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 
Column stats: NONE
-                        value expressions: _col0 (type: string)
-            Execution mode: vectorized
-            LLAP IO: no inputs
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Left Outer Join0 to 1
-                keys:
-                  0 _col0 (type: string)
-                  1 _col0 (type: string)
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 391 Basic stats: COMPLETE 
Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 1 Data size: 391 Basic stats: COMPLETE 
Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 4 
-            Execution mode: vectorized
-            Reduce Operator Tree:
-              Select Operator
-                expressions: VALUE._col0 (type: string)
-                outputColumnNames: _col0
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column 
stats: NONE
-                Limit
-                  Number of rows: 0
-                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 
Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: string)
-                    sort order: +
-                    Map-reduce partition columns: _col0 (type: string)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 
Column stats: NONE
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select * from (select key from src_orc where false) a left 
outer join (select key from src_orc limit 0) b on a.key=b.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-POSTHOOK: query: select * from (select key from src_orc where false) a left 
outer join (select key from src_orc limit 0) b on a.key=b.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-PREHOOK: query: explain
-select count(key) from src_orc where false union all select count(key) from 
src_orc
-PREHOOK: type: QUERY
-POSTHOOK: query: explain
-select count(key) from src_orc where false union all select count(key) from 
src_orc
-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), Union 3 (CONTAINS)
-        Reducer 5 <- Map 4 (SIMPLE_EDGE), Union 3 (CONTAINS)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: src_orc
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: false (type: boolean)
-                    Statistics: Num rows: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                    Group By Operator
-                      aggregations: count(key)
-                      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)
-            Execution mode: vectorized
-            LLAP IO: no inputs
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: src_orc
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: key
-                    Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                    Group By Operator
-                      aggregations: count(key)
-                      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)
-            Execution mode: vectorized
-            LLAP IO: all inputs
-        Reducer 2 
-            Execution mode: vectorized
-            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: 2 Data size: 16 Basic stats: COMPLETE 
Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 5 
-            Execution mode: vectorized
-            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: 2 Data size: 16 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
-        Union 3 
-            Vertex: Union 3
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-PREHOOK: query: select count(key) from src_orc where false union all select 
count(key) from src_orc
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-POSTHOOK: query: select count(key) from src_orc where false union all select 
count(key) from src_orc
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-0
-10
-PREHOOK: query: explain 
-select * from src_orc s1, src_orc s2 where false and s1.value = s2.value
-PREHOOK: type: QUERY
-POSTHOOK: query: explain 
-select * from src_orc s1, src_orc s2 where false and s1.value = s2.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 3 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: s1
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: false (type: boolean)
-                    Statistics: Num rows: 1 Data size: 356 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: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: key (type: string), ds (type: 
string), hr (type: string)
-            Execution mode: vectorized
-            LLAP IO: no inputs
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: s2
-                  Statistics: Num rows: 10 Data size: 3560 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: false (type: boolean)
-                    Statistics: Num rows: 1 Data size: 356 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: 1 Data size: 356 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: key (type: string), ds (type: 
string), hr (type: string)
-            Execution mode: vectorized
-            LLAP IO: no inputs
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 value (type: string)
-                  1 value (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3, _col7, _col8, 
_col9, _col10
-                Statistics: Num rows: 1 Data size: 391 Basic stats: COMPLETE 
Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), 
_col2 (type: string), _col3 (type: string), _col7 (type: string), _col8 (type: 
string), _col9 (type: string), _col10 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7
-                  Statistics: Num rows: 1 Data size: 391 Basic stats: COMPLETE 
Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 1 Data size: 391 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 src_orc s1, src_orc s2 where false and s1.value 
= s2.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-POSTHOOK: query: select * from src_orc s1, src_orc s2 where false and s1.value 
= s2.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src_orc
-#### A masked pattern was here ####
-PREHOOK: query: drop table if exists src_orc
-PREHOOK: type: DROPTABLE
-PREHOOK: Input: default@src_orc
-PREHOOK: Output: default@src_orc
-POSTHOOK: query: drop table if exists src_orc
-POSTHOOK: type: DROPTABLE
-POSTHOOK: Input: default@src_orc
-POSTHOOK: Output: default@src_orc

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