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From hashut...@apache.org
Subject [1/2] hive git commit: HIVE-10785 : Support aggregate push down through joins (Ashutosh Chauhan via Jesus Camacho Rodriguez)
Date Thu, 24 Sep 2015 21:23:26 GMT
Repository: hive
Updated Branches:
  refs/heads/master 152813517 -> 68d6cfda7


http://git-wip-us.apache.org/repos/asf/hive/blob/68d6cfda/ql/src/test/results/clientpositive/groupby_join_pushdown.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_join_pushdown.q.out b/ql/src/test/results/clientpositive/groupby_join_pushdown.q.out
new file mode 100644
index 0000000..17df98f
--- /dev/null
+++ b/ql/src/test/results/clientpositive/groupby_join_pushdown.q.out
@@ -0,0 +1,1522 @@
+PREHOOK: query: EXPLAIN
+SELECT f.key, g.key, count(g.key)
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT f.key, g.key, count(g.key)
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        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: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col0 (type: string), _col2 (type: string), (_col1 * _col3) (type: bigint)
+            outputColumnNames: _col0, _col1, _col2
+            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count(_col0)
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: EXPLAIN
+SELECT f.key, g.key
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT f.key, g.key
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: string)
+            1 _col0 (type: string)
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            table:
+                input format: org.apache.hadoop.mapred.TextInputFormat
+                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: EXPLAIN
+SELECT DISTINCT f.value, g.value
+FROM src f JOIN src g ON(f.value = g.value)
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT DISTINCT f.value, g.value
+FROM src f JOIN src g ON(f.value = g.value)
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: value is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: value (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: string)
+            1 _col0 (type: string)
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            table:
+                input format: org.apache.hadoop.mapred.TextInputFormat
+                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: value is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: value (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: EXPLAIN
+SELECT f.key, g.key, COUNT(*)
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT f.key, g.key, COUNT(*)
+FROM src f JOIN src g ON(f.key = g.key)
+GROUP BY f.key, g.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: string)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: string)
+              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        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: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col0 (type: string), _col2 (type: string), (_col1 * _col3) (type: bigint)
+            outputColumnNames: _col0, _col1, _col2
+            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: key is not null (type: boolean)
+              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: key (type: string)
+                outputColumnNames: _col0
+                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: string)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: EXPLAIN
+SELECT  f.ctinyint, g.ctinyint, SUM(f.cbigint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.cint = g.cint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT  f.ctinyint, g.ctinyint, SUM(f.cbigint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.cint = g.cint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-4
+  Stage-3 depends on stages: Stage-2
+  Stage-4 is a root stage
+  Stage-0 depends on stages: Stage-3
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: cint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint), cint (type: int), cbigint (type: bigint)
+                outputColumnNames: _col0, _col1, _col2
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(_col2)
+                  keys: _col0 (type: tinyint), _col1 (type: int)
+                  mode: hash
+                  outputColumnNames: _col0, _col1, _col2
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint), _col1 (type: int)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: tinyint), _col1 (type: int)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col2 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: sum(VALUE._col0)
+          keys: KEY._col0 (type: tinyint), KEY._col1 (type: int)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1, _col2
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: _col1 (type: int)
+              sort order: +
+              Map-reduce partition columns: _col1 (type: int)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col0 (type: tinyint), _col2 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col1 (type: int)
+              sort order: +
+              Map-reduce partition columns: _col1 (type: int)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col0 (type: tinyint), _col2 (type: bigint)
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col1 (type: int)
+            1 _col1 (type: int)
+          outputColumnNames: _col0, _col2, _col3, _col5
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col0 (type: tinyint), _col3 (type: tinyint), (_col2 * _col5) (type: bigint)
+            outputColumnNames: _col0, _col3, _col6
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            Group By Operator
+              aggregations: sum(_col6)
+              keys: _col0 (type: tinyint), _col3 (type: tinyint)
+              mode: hash
+              outputColumnNames: _col0, _col1, _col2
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              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-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint), _col1 (type: tinyint)
+              sort order: ++
+              Map-reduce partition columns: _col0 (type: tinyint), _col1 (type: tinyint)
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col2 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: sum(VALUE._col0)
+          keys: KEY._col0 (type: tinyint), KEY._col1 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1, _col2
+          Statistics: Num rows: 1689 Data size: 363162 Basic stats: COMPLETE Column stats: NONE
+          File Output Operator
+            compressed: false
+            Statistics: Num rows: 1689 Data size: 363162 Basic stats: COMPLETE Column stats: NONE
+            table:
+                input format: org.apache.hadoop.mapred.TextInputFormat
+                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-4
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: cint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint), cint (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: tinyint), _col1 (type: int)
+                  mode: hash
+                  outputColumnNames: _col0, _col1, _col2
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint), _col1 (type: int)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: tinyint), _col1 (type: int)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col2 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint), KEY._col1 (type: int)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1, _col2
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: EXPLAIN
+SELECT  f.cbigint, g.cbigint, MAX(f.cint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.cbigint = g.cbigint)
+GROUP BY f.cbigint, g.cbigint
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT  f.cbigint, g.cbigint, MAX(f.cint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.cbigint = g.cbigint)
+GROUP BY f.cbigint, g.cbigint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: cbigint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: cint (type: int), cbigint (type: bigint)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: max(_col0)
+                  keys: _col1 (type: bigint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: bigint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: bigint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: int)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: max(VALUE._col0)
+          keys: KEY._col0 (type: bigint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: int)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: bigint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: bigint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: bigint)
+            1 _col0 (type: bigint)
+          outputColumnNames: _col0, _col1, _col2
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col0 (type: bigint), _col2 (type: bigint), _col1 (type: int)
+            outputColumnNames: _col0, _col1, _col2
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: cbigint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: cbigint (type: bigint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: bigint)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: bigint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: bigint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: bigint)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+SELECT  f.ctinyint, g.ctinyint, MIN(f.ctinyint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT  f.ctinyint, g.ctinyint, MIN(f.ctinyint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: min(_col0)
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: tinyint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: min(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: tinyint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: tinyint)
+            1 _col0 (type: tinyint)
+          outputColumnNames: _col0, _col1, _col2
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col0 (type: tinyint), _col2 (type: tinyint), _col1 (type: tinyint)
+            outputColumnNames: _col0, _col1, _col2
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+SELECT   MIN(f.cint)     
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT   MIN(f.cint)     
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint), cint (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: min(_col1)
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: int)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: min(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: int)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: tinyint)
+            1 _col0 (type: tinyint)
+          outputColumnNames: _col1
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: _col1 (type: int)
+            outputColumnNames: _col0
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+      Reduce Operator Tree:
+        Group By Operator
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+SELECT   count(f.ctinyint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT   count(f.ctinyint)              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count(_col0)
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: tinyint)
+            1 _col0 (type: tinyint)
+          outputColumnNames: _col1, _col3
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: (_col1 * _col3) (type: bigint)
+            outputColumnNames: _col0
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+SELECT   count(f.cint), f.ctinyint              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT   count(f.cint), f.ctinyint              
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint), cint (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count(_col1)
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: tinyint)
+            1 _col0 (type: tinyint)
+          outputColumnNames: _col0, _col1, _col3
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: (_col1 * _col3) (type: bigint), _col0 (type: tinyint)
+            outputColumnNames: _col0, _col1
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: explain
+SELECT   sum(f.cint), f.ctinyint            
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT   sum(f.cint), f.ctinyint            
+FROM alltypesorc f JOIN alltypesorc g ON(f.ctinyint = g.ctinyint)
+GROUP BY f.ctinyint, g.ctinyint
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1, Stage-3
+  Stage-3 is a root stage
+  Stage-0 depends on stages: Stage-2
+
+STAGE PLANS:
+  Stage: Stage-1
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint), cint (type: int)
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(_col1)
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: sum(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+          TableScan
+            Reduce Output Operator
+              key expressions: _col0 (type: tinyint)
+              sort order: +
+              Map-reduce partition columns: _col0 (type: tinyint)
+              Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+              value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Join Operator
+          condition map:
+               Inner Join 0 to 1
+          keys:
+            0 _col0 (type: tinyint)
+            1 _col0 (type: tinyint)
+          outputColumnNames: _col0, _col1, _col3
+          Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+          Select Operator
+            expressions: (_col1 * _col3) (type: bigint), _col0 (type: tinyint)
+            outputColumnNames: _col0, _col1
+            Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+            File Output Operator
+              compressed: false
+              Statistics: Num rows: 3379 Data size: 726540 Basic stats: COMPLETE Column stats: NONE
+              table:
+                  input format: org.apache.hadoop.mapred.TextInputFormat
+                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+
+  Stage: Stage-3
+    Map Reduce
+      Map Operator Tree:
+          TableScan
+            alias: f
+            Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
+            Filter Operator
+              predicate: ctinyint is not null (type: boolean)
+              Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+              Select Operator
+                expressions: ctinyint (type: tinyint)
+                outputColumnNames: _col0
+                Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: count()
+                  keys: _col0 (type: tinyint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: tinyint)
+                    sort order: +
+                    Map-reduce partition columns: _col0 (type: tinyint)
+                    Statistics: Num rows: 6144 Data size: 1320982 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col1 (type: bigint)
+      Reduce Operator Tree:
+        Group By Operator
+          aggregations: count(VALUE._col0)
+          keys: KEY._col0 (type: tinyint)
+          mode: mergepartial
+          outputColumnNames: _col0, _col1
+          Statistics: Num rows: 3072 Data size: 660491 Basic stats: COMPLETE Column stats: NONE
+          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-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+

http://git-wip-us.apache.org/repos/asf/hive/blob/68d6cfda/ql/src/test/results/clientpositive/show_functions.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/show_functions.q.out b/ql/src/test/results/clientpositive/show_functions.q.out
index fbcd86a..789bedf 100644
--- a/ql/src/test/results/clientpositive/show_functions.q.out
+++ b/ql/src/test/results/clientpositive/show_functions.q.out
@@ -4,6 +4,7 @@ POSTHOOK: query: SHOW FUNCTIONS
 POSTHOOK: type: SHOWFUNCTIONS
 !
 !=
+$sum0
 %
 &
 *


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