miklosgergely commented on a change in pull request #544: HIVE-16924 Support 
distinct in presence of Group By
URL: https://github.com/apache/hive/pull/544#discussion_r259953166
 
 

 ##########
 File path: ql/src/test/results/clientpositive/distinct_groupby.q.out
 ##########
 @@ -0,0 +1,1530 @@
+PREHOOK: query: explain select distinct count(*) from src1 where key in 
(128,146,150)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct count(*) from src1 where key in 
(128,146,150)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            filterExpr: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+              Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Select Operator
+                Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+                Group By Operator
+                  aggregations: count()
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                    value expressions: _col0 (type: bigint)
+      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: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 1 Data size: 8 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct count(*) from src1 where key in (128,146,150)
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct count(*) from src1 where key in (128,146,150)
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+3
+PREHOOK: query: explain select distinct * from (select distinct count(*) from 
src1 where key in (128,146,150)) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct * from (select distinct count(*) from 
src1 where key in (128,146,150)) as T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            filterExpr: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+              Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Select Operator
+                Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+                Group By Operator
+                  aggregations: count()
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                    value expressions: _col0 (type: bigint)
+      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: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 1 Data size: 8 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct * from (select distinct count(*) from src1 
where key in (128,146,150)) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct * from (select distinct count(*) from src1 
where key in (128,146,150)) as T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+3
+PREHOOK: query: explain select distinct count(*)+1 from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct count(*)+1 from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Select Operator
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                aggregations: count()
+                mode: hash
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                Reduce Output Operator
+                  sort order: 
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  value expressions: _col0 (type: bigint)
+      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: COMPLETE
+          Select Operator
+            expressions: (_col0 + 1L) (type: bigint)
+            outputColumnNames: _col0
+            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column 
stats: COMPLETE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 1 Data size: 8 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct count(*)+1 from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct count(*)+1 from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+26
+PREHOOK: query: explain select distinct count(a.value), count(b.value) from 
src1 a join src1 b on a.key=b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct count(a.value), count(b.value) from 
src1 a join src1 b on a.key=b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: a
+            filterExpr: key is not null (type: boolean)
+            Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Select Operator
+                expressions: key (type: string), value (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 25 Data size: 4375 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: 25 Data size: 4375 Basic stats: 
COMPLETE Column stats: COMPLETE
+                  value expressions: _col1 (type: string)
+          TableScan
+            alias: b
+            filterExpr: key is not null (type: boolean)
+            Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Select Operator
+                expressions: key (type: string), value (type: string)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 25 Data size: 4375 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: 25 Data size: 4375 Basic stats: 
COMPLETE Column stats: COMPLETE
+                  value expressions: _col1 (type: string)
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: string)
+            1 _col0 (type: string)
+          outputColumnNames: _col1, _col3
+          Statistics: Num rows: 39 Data size: 6942 Basic stats: COMPLETE 
Column stats: COMPLETE
+          Group By Operator
+            aggregations: count(_col1), count(_col3)
+            mode: hash
+            outputColumnNames: _col0, _col1
+            Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column 
stats: COMPLETE
+            File Output Operator
+              compressed: false
+              table:
+                  input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                  output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                  serde: 
org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe
+
+  Stage: Stage-2
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            Reduce Output Operator
+              sort order: 
+              Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE 
Column stats: COMPLETE
+              value expressions: _col0 (type: bigint), _col1 (type: bigint)
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0), count(VALUE._col1)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column 
stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 1 Data size: 16 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct count(a.value), count(b.value) from src1 a 
join src1 b on a.key=b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct count(a.value), count(b.value) from src1 a 
join src1 b on a.key=b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+115    115
+PREHOOK: query: explain select distinct c from (select distinct key, count(*) 
as c from src1 where key in (128,146,150) group by key) a
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct c from (select distinct key, count(*) 
as c from src1 where key in (128,146,150) group by key) a
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            filterExpr: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+              Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                aggregations: count()
+                keys: key (type: string)
+                mode: hash
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6 Data size: 564 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: 6 Data size: 564 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  value expressions: _col1 (type: bigint)
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 6 Data size: 564 Basic stats: COMPLETE Column 
stats: COMPLETE
+          Select Operator
+            expressions: _col1 (type: bigint)
+            outputColumnNames: _col1
+            Statistics: Num rows: 6 Data size: 564 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Group By Operator
+              keys: _col1 (type: bigint)
+              mode: hash
+              outputColumnNames: _col0
+              Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
+              File Output Operator
+                compressed: false
+                table:
+                    input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                    output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                    serde: 
org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe
+
+  Stage: Stage-2
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: bigint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: bigint)
+              Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: bigint)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE Column 
stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 3 Data size: 24 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct c from (select distinct key, count(*) as c 
from src1 where key in (128,146,150) group by key) a
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct c from (select distinct key, count(*) as c 
from src1 where key in (128,146,150) group by key) a
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+1
+PREHOOK: query: explain select distinct key from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct key from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Select Operator
+              expressions: key (type: string)
+              outputColumnNames: key
+              Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                keys: key (type: string)
+                mode: hash
+                outputColumnNames: _col0
+                Statistics: Num rows: 12 Data size: 1032 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: 12 Data size: 1032 Basic stats: 
COMPLETE Column stats: COMPLETE
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 12 Data size: 1032 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct key from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct key from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+
+128
+146
+150
+213
+224
+238
+255
+273
+278
+311
+369
+401
+406
+66
+98
+PREHOOK: query: explain select distinct * from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct * from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Select Operator
+              expressions: key (type: string), value (type: string)
+              outputColumnNames: key, value
+              Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                keys: key (type: string), value (type: string)
+                mode: hash
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 2100 Basic stats: COMPLETE 
Column stats: COMPLETE
+                Reduce Output Operator
+                  key expressions: _col0 (type: string), _col1 (type: string)
+                  sort order: ++
+                  Map-reduce partition columns: _col0 (type: string), _col1 
(type: string)
+                  Statistics: Num rows: 12 Data size: 2100 Basic stats: 
COMPLETE Column stats: COMPLETE
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string), KEY._col1 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 12 Data size: 2100 Basic stats: COMPLETE 
Column stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 12 Data size: 2100 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct * from src1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct * from src1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+       
+       val_165
+       val_193
+       val_265
+       val_27
+       val_409
+       val_484
+128    
+146    val_146
+150    val_150
+213    val_213
+224    
+238    val_238
+255    val_255
+273    val_273
+278    val_278
+311    val_311
+369    
+401    val_401
+406    val_406
+66     val_66
+98     val_98
+PREHOOK: query: explain select distinct count(*) from src1 where key in 
(128,146,150) group by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct count(*) from src1 where key in 
(128,146,150) group by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            filterExpr: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+              Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                aggregations: count()
+                keys: key (type: string)
+                mode: hash
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6 Data size: 564 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: 6 Data size: 564 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  value expressions: _col1 (type: bigint)
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 6 Data size: 564 Basic stats: COMPLETE Column 
stats: COMPLETE
+          Select Operator
+            expressions: _col1 (type: bigint)
+            outputColumnNames: _col1
+            Statistics: Num rows: 6 Data size: 564 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Group By Operator
+              keys: _col1 (type: bigint)
+              mode: hash
+              outputColumnNames: _col0
+              Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
+              File Output Operator
+                compressed: false
+                table:
+                    input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
+                    output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
+                    serde: 
org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe
+
+  Stage: Stage-2
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: bigint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: bigint)
+              Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE 
Column stats: COMPLETE
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: bigint)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 3 Data size: 24 Basic stats: COMPLETE Column 
stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 3 Data size: 24 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct count(*) from src1 where key in (128,146,150) 
group by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct count(*) from src1 where key in (128,146,150) 
group by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+1
+PREHOOK: query: explain select distinct key, count(*) from src1 where key in 
(128,146,150) group by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct key, count(*) from src1 where key in 
(128,146,150) group by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            filterExpr: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+            Statistics: Num rows: 25 Data size: 2150 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Filter Operator
+              predicate: (UDFToDouble(key)) IN (128.0D, 146.0D, 150.0D) (type: 
boolean)
+              Statistics: Num rows: 12 Data size: 1032 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                aggregations: count()
+                keys: key (type: string)
+                mode: hash
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6 Data size: 564 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: 6 Data size: 564 Basic stats: COMPLETE 
Column stats: COMPLETE
+                  value expressions: _col1 (type: bigint)
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 6 Data size: 564 Basic stats: COMPLETE Column 
stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 6 Data size: 564 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct key, count(*) from src1 where key in 
(128,146,150) group by key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct key, count(*) from src1 where key in 
(128,146,150) group by key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+128    1
+146    1
+150    1
+PREHOOK: query: explain select distinct * from (select * from src1) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct * from (select * from src1) as T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: src1
+            Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+            Select Operator
+              expressions: key (type: string), value (type: string)
+              outputColumnNames: key, value
+              Statistics: Num rows: 25 Data size: 4375 Basic stats: COMPLETE 
Column stats: COMPLETE
+              Group By Operator
+                keys: key (type: string), value (type: string)
+                mode: hash
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 12 Data size: 2100 Basic stats: COMPLETE 
Column stats: COMPLETE
+                Reduce Output Operator
+                  key expressions: _col0 (type: string), _col1 (type: string)
+                  sort order: ++
+                  Map-reduce partition columns: _col0 (type: string), _col1 
(type: string)
+                  Statistics: Num rows: 12 Data size: 2100 Basic stats: 
COMPLETE Column stats: COMPLETE
+      Execution mode: vectorized
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string), KEY._col1 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 12 Data size: 2100 Basic stats: COMPLETE 
Column stats: COMPLETE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 12 Data size: 2100 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: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct * from (select * from src1) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct * from (select * from src1) as T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+       
+       val_165
+       val_193
+       val_265
+       val_27
+       val_409
+       val_484
+128    
+146    val_146
+150    val_150
+213    val_213
+224    
+238    val_238
+255    val_255
+273    val_273
+278    val_278
+311    val_311
+369    
+401    val_401
+406    val_406
+66     val_66
+98     val_98
+PREHOOK: query: explain select distinct * from (select count(*) from src1) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct * from (select count(*) from src1) as 
T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+STAGE DEPENDENCIES:
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-0
+    Fetch Operator
+      limit: 1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select distinct * from (select count(*) from src1) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select distinct * from (select count(*) from src1) as T
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+25
+PREHOOK: query: explain select distinct * from (select * from src1 where key 
in (128,146,150)) as T
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: explain select distinct * from (select * from src1 where key 
in (128,146,150)) as T
 
 Review comment:
   added this one too, works fine

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


With regards,
Apache Git Services

Reply via email to