You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hive.apache.org by pr...@apache.org on 2015/09/19 02:29:12 UTC

[4/7] hive git commit: HIVE-11893: LLAP: Update llap golden files after master merge (Prasanth Jayachandran)

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/having.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/having.q.out b/ql/src/test/results/clientpositive/llap/having.q.out
index 28a515d..026fdbf 100644
--- a/ql/src/test/results/clientpositive/llap/having.q.out
+++ b/ql/src/test/results/clientpositive/llap/having.q.out
@@ -112,22 +112,18 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (UDFToDouble(key) <> 302.0) (type: boolean)
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
+                    Group By Operator
+                      aggregations: max(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: max(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 5312 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: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
-                          value expressions: _col1 (type: string)
+                        value expressions: _col1 (type: string)
             Execution mode: llap
         Reducer 2 
             Execution mode: uber
@@ -490,11 +486,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: max(value)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -765,22 +761,18 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (UDFToDouble(key) > 300.0) (type: boolean)
                     Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
+                    Group By Operator
+                      aggregations: max(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: max(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 166 Data size: 1763 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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                          value expressions: _col1 (type: string)
+                        value expressions: _col1 (type: string)
             Execution mode: llap
         Reducer 2 
             Execution mode: uber
@@ -967,11 +959,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: max(value)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -1237,11 +1229,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: count(value)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/limit_pushdown.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/limit_pushdown.q.out b/ql/src/test/results/clientpositive/llap/limit_pushdown.q.out
index 9119780..e39ac18 100644
--- a/ql/src/test/results/clientpositive/llap/limit_pushdown.q.out
+++ b/ql/src/test/results/clientpositive/llap/limit_pushdown.q.out
@@ -392,10 +392,10 @@ STAGE PLANS:
                   Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: cdouble (type: double)
-                    outputColumnNames: _col0
+                    outputColumnNames: cdouble
                     Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      keys: _col0 (type: double)
+                      keys: cdouble (type: double)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
@@ -483,10 +483,10 @@ STAGE PLANS:
                   Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: ctinyint (type: tinyint), cdouble (type: double)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: ctinyint, cdouble
                     Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      keys: _col0 (type: tinyint), _col1 (type: double)
+                      keys: ctinyint (type: tinyint), cdouble (type: double)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
@@ -579,10 +579,10 @@ STAGE PLANS:
                   Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: ctinyint (type: tinyint), cdouble (type: double)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: ctinyint, cdouble
                     Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      keys: _col0 (type: tinyint), _col1 (type: double)
+                      keys: ctinyint (type: tinyint), cdouble (type: double)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
@@ -677,11 +677,11 @@ STAGE PLANS:
                   Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: ctinyint (type: tinyint), cstring1 (type: string), cstring2 (type: string)
-                    outputColumnNames: _col0, _col1, _col2
+                    outputColumnNames: ctinyint, cstring1, cstring2
                     Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(DISTINCT _col1), count(DISTINCT _col2)
-                      keys: _col0 (type: tinyint), _col1 (type: string), _col2 (type: string)
+                      aggregations: count(DISTINCT cstring1), count(DISTINCT cstring2)
+                      keys: ctinyint (type: tinyint), cstring1 (type: string), cstring2 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1, _col2, _col3, _col4
                       Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
@@ -799,11 +799,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: value (type: string), key (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: value, key
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: sum(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: sum(key)
+                      keys: value (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -1067,16 +1067,16 @@ STAGE PLANS:
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    expressions: value (type: string), key (type: string)
-                    outputColumnNames: _col0, _col1
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
-                      key expressions: _col0 (type: string)
+                      key expressions: value (type: string)
                       sort order: +
-                      Map-reduce partition columns: _col0 (type: string)
+                      Map-reduce partition columns: value (type: string)
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       TopN Hash Memory Usage: 0.3
-                      value expressions: _col1 (type: string)
+                      value expressions: key (type: string)
             Execution mode: llap
         Reducer 2 
             Execution mode: uber

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/mapjoin_mapjoin.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/mapjoin_mapjoin.q.out b/ql/src/test/results/clientpositive/llap/mapjoin_mapjoin.q.out
index 17be306..236f0ed 100644
--- a/ql/src/test/results/clientpositive/llap/mapjoin_mapjoin.q.out
+++ b/ql/src/test/results/clientpositive/llap/mapjoin_mapjoin.q.out
@@ -623,22 +623,18 @@ STAGE PLANS:
                             1 Map 4
                           Statistics: Num rows: 605 Data size: 6427 Basic stats: COMPLETE Column stats: NONE
                           HybridGraceHashJoin: true
-                          Select Operator
-                            expressions: _col2 (type: string)
-                            outputColumnNames: _col0
+                          Group By Operator
+                            aggregations: count()
+                            keys: _col2 (type: string)
+                            mode: hash
+                            outputColumnNames: _col0, _col1
                             Statistics: Num rows: 605 Data size: 6427 Basic stats: COMPLETE Column stats: NONE
-                            Group By Operator
-                              aggregations: count()
-                              keys: _col0 (type: string)
-                              mode: hash
-                              outputColumnNames: _col0, _col1
+                            Reduce Output Operator
+                              key expressions: _col0 (type: string)
+                              sort order: +
+                              Map-reduce partition columns: _col0 (type: string)
                               Statistics: Num rows: 605 Data size: 6427 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: 605 Data size: 6427 Basic stats: COMPLETE Column stats: NONE
-                                value expressions: _col1 (type: bigint)
+                              value expressions: _col1 (type: bigint)
             Execution mode: llap
         Map 3 
             Map Operator Tree:

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out b/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
index bacbff3..ed3179d 100644
--- a/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
+++ b/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
@@ -452,10 +452,10 @@ STAGE PLANS:
                   Statistics: Num rows: 9489 Data size: 978785 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: ts (type: timestamp)
-                    outputColumnNames: _col0
+                    outputColumnNames: ts
                     Statistics: Num rows: 9489 Data size: 978785 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col0)
+                      aggregations: count(ts)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/metadataonly1.q.out b/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
index d569a23..40f122a 100644
--- a/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
+++ b/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
@@ -48,10 +48,10 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col0)
+                      aggregations: max(ds)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 84 Basic stats: COMPLETE Column stats: NONE
@@ -157,10 +157,10 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col0)
+                      aggregations: max(ds)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 84 Basic stats: COMPLETE Column stats: NONE
@@ -304,11 +304,11 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: count(DISTINCT _col0)
-                      keys: _col0 (type: string)
+                      aggregations: count(DISTINCT ds)
+                      keys: ds (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
@@ -452,10 +452,10 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col0)
+                      aggregations: count(ds)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
@@ -743,10 +743,10 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col0)
+                      aggregations: max(ds)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 84 Basic stats: COMPLETE Column stats: NONE
@@ -1028,11 +1028,11 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string), hr (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: ds, hr
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: count(DISTINCT _col1)
-                      keys: _col0 (type: string), _col1 (type: string)
+                      aggregations: count(DISTINCT hr)
+                      keys: ds (type: string), hr (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1, _col2
                       Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
@@ -1273,11 +1273,11 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string), hr (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: ds, hr
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: count(hr)
+                      keys: ds (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
@@ -1514,10 +1514,10 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: ds
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: max(_col0)
+                      aggregations: max(ds)
                       mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 1 Data size: 84 Basic stats: COMPLETE Column stats: NONE
@@ -1761,11 +1761,11 @@ STAGE PLANS:
                   GatherStats: false
                   Select Operator
                     expressions: ds (type: string), hr (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: ds, hr
                     Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
-                      aggregations: count(DISTINCT _col1)
-                      keys: _col0 (type: string), _col1 (type: string)
+                      aggregations: count(DISTINCT hr)
+                      keys: ds (type: string), hr (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1, _col2
                       Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/mrr.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/mrr.q.out b/ql/src/test/results/clientpositive/llap/mrr.q.out
index f507e4b..d0200d2 100644
--- a/ql/src/test/results/clientpositive/llap/mrr.q.out
+++ b/ql/src/test/results/clientpositive/llap/mrr.q.out
@@ -27,11 +27,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col1)
-                      keys: _col0 (type: string)
+                      aggregations: count(value)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -1314,22 +1314,18 @@ STAGE PLANS:
                   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), value (type: string)
+                    Group By Operator
+                      aggregations: count(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: count(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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 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)
+                        value expressions: _col1 (type: bigint)
             Execution mode: llap
         Map 6 
             Map Operator Tree:
@@ -1339,22 +1335,18 @@ STAGE PLANS:
                   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), value (type: string)
+                    Group By Operator
+                      aggregations: count(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: count(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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 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)
+                        value expressions: _col1 (type: bigint)
             Execution mode: llap
         Map 9 
             Map Operator Tree:
@@ -1364,22 +1356,18 @@ STAGE PLANS:
                   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), value (type: string)
+                    Group By Operator
+                      aggregations: count(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: count(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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 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)
+                        value expressions: _col1 (type: bigint)
             Execution mode: llap
         Reducer 10 
             Execution mode: llap
@@ -1713,22 +1701,18 @@ STAGE PLANS:
                   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), value (type: string)
+                    Group By Operator
+                      aggregations: count(value)
+                      keys: key (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: count(_col1)
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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 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)
+                        value expressions: _col1 (type: bigint)
             Execution mode: llap
         Map 3 
             Map Operator Tree:

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/selectDistinctStar.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/selectDistinctStar.q.out b/ql/src/test/results/clientpositive/llap/selectDistinctStar.q.out
index fa3cf92..663d999 100644
--- a/ql/src/test/results/clientpositive/llap/selectDistinctStar.q.out
+++ b/ql/src/test/results/clientpositive/llap/selectDistinctStar.q.out
@@ -24,10 +24,10 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      keys: _col0 (type: string), _col1 (type: string)
+                      keys: key (type: string), value (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -720,20 +720,16 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (key < '3') (type: boolean)
                     Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
+                    Group By Operator
+                      keys: key (type: string), value (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        keys: _col0 (type: string), _col1 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                        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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 2 
             Execution mode: uber
@@ -2481,10 +2477,10 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
+                    outputColumnNames: key, value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      keys: _col0 (type: string), _col1 (type: string)
+                      keys: key (type: string), value (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -3173,20 +3169,16 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (key < '3') (type: boolean)
                     Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
+                    Group By Operator
+                      keys: key (type: string), value (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        keys: _col0 (type: string), _col1 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                        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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 2 
             Execution mode: uber

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/show_create_database.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/show_create_database.q.out b/ql/src/test/results/clientpositive/llap/show_create_database.q.out
new file mode 100644
index 0000000..4755d2d
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/show_create_database.q.out
@@ -0,0 +1,19 @@
+PREHOOK: query: CREATE DATABASE some_database comment 'for show create db test' WITH DBPROPERTIES ('somekey'='somevalue')
+PREHOOK: type: CREATEDATABASE
+PREHOOK: Output: database:some_database
+POSTHOOK: query: CREATE DATABASE some_database comment 'for show create db test' WITH DBPROPERTIES ('somekey'='somevalue')
+POSTHOOK: type: CREATEDATABASE
+POSTHOOK: Output: database:some_database
+PREHOOK: query: SHOW CREATE DATABASE some_database
+PREHOOK: type: SHOW_CREATEDATABASE
+PREHOOK: Input: database:some_database
+POSTHOOK: query: SHOW CREATE DATABASE some_database
+POSTHOOK: type: SHOW_CREATEDATABASE
+POSTHOOK: Input: database:some_database
+CREATE DATABASE `some_database`
+COMMENT
+  'for show create db test'
+LOCATION
+#### A masked pattern was here ####
+WITH DBPROPERTIES (
+  'somekey'='somevalue')

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/stats_only_null.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/stats_only_null.q.out b/ql/src/test/results/clientpositive/llap/stats_only_null.q.out
index 1336b79..bf3a6b0 100644
--- a/ql/src/test/results/clientpositive/llap/stats_only_null.q.out
+++ b/ql/src/test/results/clientpositive/llap/stats_only_null.q.out
@@ -90,10 +90,10 @@ STAGE PLANS:
                   Statistics: Num rows: 10 Data size: 120 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: a (type: double), b (type: int), c (type: string), d (type: smallint)
-                    outputColumnNames: _col0, _col1, _col2, _col3
+                    outputColumnNames: a, b, c, d
                     Statistics: Num rows: 10 Data size: 120 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(), count(_col0), count(_col1), count(_col2), count(_col3)
+                      aggregations: count(), count(a), count(b), count(c), count(d)
                       mode: hash
                       outputColumnNames: _col0, _col1, _col2, _col3, _col4
                       Statistics: Num rows: 1 Data size: 40 Basic stats: COMPLETE Column stats: NONE
@@ -148,10 +148,10 @@ STAGE PLANS:
                   Statistics: Num rows: 10 Data size: 120 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: a (type: double), b (type: int), c (type: string), d (type: smallint)
-                    outputColumnNames: _col0, _col1, _col2, _col3
+                    outputColumnNames: a, b, c, d
                     Statistics: Num rows: 10 Data size: 120 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(), count(_col0), count(_col1), count(_col2), count(_col3)
+                      aggregations: count(), count(a), count(b), count(c), count(d)
                       mode: hash
                       outputColumnNames: _col0, _col1, _col2, _col3, _col4
                       Statistics: Num rows: 1 Data size: 40 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/subquery_in.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/subquery_in.q.out b/ql/src/test/results/clientpositive/llap/subquery_in.q.out
index daa26e9..034557f 100644
--- a/ql/src/test/results/clientpositive/llap/subquery_in.q.out
+++ b/ql/src/test/results/clientpositive/llap/subquery_in.q.out
@@ -663,20 +663,16 @@ STAGE PLANS:
                   Filter Operator
                     predicate: ((key > '9') and value is not null) (type: boolean)
                     Statistics: Num rows: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
+                    Group By Operator
+                      keys: key (type: string), value (type: string)
+                      mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        keys: _col0 (type: string), _col1 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0, _col1
+                      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: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
-                        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: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 2 
             Execution mode: llap
@@ -851,20 +847,16 @@ STAGE PLANS:
                   Filter Operator
                     predicate: l_partkey is not null (type: boolean)
                     Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: l_partkey (type: int)
+                    Group By Operator
+                      keys: l_partkey (type: int)
+                      mode: hash
                       outputColumnNames: _col0
                       Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        keys: _col0 (type: int)
-                        mode: hash
-                        outputColumnNames: _col0
+                      Reduce Output Operator
+                        key expressions: _col0 (type: int)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: int)
                         Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col0 (type: int)
-                          sort order: +
-                          Map-reduce partition columns: _col0 (type: int)
-                          Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 2 
             Execution mode: llap

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/tez_dml.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/tez_dml.q.out b/ql/src/test/results/clientpositive/llap/tez_dml.q.out
index 2254d10..a87ccf3 100644
--- a/ql/src/test/results/clientpositive/llap/tez_dml.q.out
+++ b/ql/src/test/results/clientpositive/llap/tez_dml.q.out
@@ -30,11 +30,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: value (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: value
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(_col0)
-                      keys: _col0 (type: string)
+                      aggregations: count(value)
+                      keys: value (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/union5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/union5.q.out b/ql/src/test/results/clientpositive/llap/union5.q.out
index 5a5c290..bc3821b 100644
--- a/ql/src/test/results/clientpositive/llap/union5.q.out
+++ b/ql/src/test/results/clientpositive/llap/union5.q.out
@@ -31,34 +31,38 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: s1
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    expressions: key (type: string)
+                    outputColumnNames: key
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(1)
+                      aggregations: count(key)
                       mode: hash
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         sort order: 
-                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint)
             Execution mode: llap
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: s1
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    expressions: key (type: string)
+                    outputColumnNames: key
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(1)
+                      aggregations: count(key)
                       mode: hash
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         sort order: 
-                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -68,22 +72,22 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: 'tst1' (type: string)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 88 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     keys: _col0 (type: string)
                     mode: hash
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: string)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col1 (type: bigint)
         Reducer 4 
             Execution mode: uber
@@ -93,10 +97,10 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.TextInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -108,22 +112,22 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: 'tst2' (type: string)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 88 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     keys: _col0 (type: string)
                     mode: hash
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: string)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col1 (type: bigint)
         Union 3 
             Vertex: Union 3

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/union7.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/union7.q.out b/ql/src/test/results/clientpositive/llap/union7.q.out
index 6aa6676..a301cad 100644
--- a/ql/src/test/results/clientpositive/llap/union7.q.out
+++ b/ql/src/test/results/clientpositive/llap/union7.q.out
@@ -31,17 +31,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: s1
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    expressions: key (type: string)
+                    outputColumnNames: key
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
-                      aggregations: count(1)
+                      aggregations: count(key)
                       mode: hash
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         sort order: 
-                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint)
             Execution mode: llap
         Map 5 
@@ -58,12 +60,12 @@ STAGE PLANS:
                       keys: _col0 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                      Statistics: Num rows: 26 Data size: 199 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                        Statistics: Num rows: 26 Data size: 199 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
             Execution mode: llap
         Reducer 2 
@@ -73,22 +75,22 @@ STAGE PLANS:
                 aggregations: count(VALUE._col0)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: 'tst1' (type: string)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 88 Basic stats: COMPLETE Column stats: COMPLETE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     keys: _col0 (type: string)
                     mode: hash
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                    Statistics: Num rows: 26 Data size: 199 Basic stats: COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: string)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: string)
-                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                      Statistics: Num rows: 26 Data size: 199 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col1 (type: bigint)
         Reducer 4 
             Execution mode: uber
@@ -98,10 +100,10 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                  Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.TextInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/73eb9239/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out b/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
index c18b460..7e5fe2d 100644
--- a/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
+++ b/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
@@ -14290,11 +14290,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: key
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count()
-                      keys: _col0 (type: string)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -14436,11 +14436,11 @@ STAGE PLANS:
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string)
-                    outputColumnNames: _col0
+                    outputColumnNames: key
                     Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count()
-                      keys: _col0 (type: string)
+                      keys: key (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -14631,6 +14631,38 @@ POSTHOOK: Lineage: src10_3.key SIMPLE [(src)src.FieldSchema(name:key, type:strin
 POSTHOOK: Lineage: src10_3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ]
 POSTHOOK: Lineage: src10_4.key SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ]
 POSTHOOK: Lineage: src10_4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: analyze table src10_1 compute statistics
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src10_1
+PREHOOK: Output: default@src10_1
+POSTHOOK: query: analyze table src10_1 compute statistics
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src10_1
+POSTHOOK: Output: default@src10_1
+PREHOOK: query: analyze table src10_2 compute statistics
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src10_2
+PREHOOK: Output: default@src10_2
+POSTHOOK: query: analyze table src10_2 compute statistics
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src10_2
+POSTHOOK: Output: default@src10_2
+PREHOOK: query: analyze table src10_3 compute statistics
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src10_3
+PREHOOK: Output: default@src10_3
+POSTHOOK: query: analyze table src10_3 compute statistics
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src10_3
+POSTHOOK: Output: default@src10_3
+PREHOOK: query: analyze table src10_4 compute statistics
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src10_4
+PREHOOK: Output: default@src10_4
+POSTHOOK: query: analyze table src10_4 compute statistics
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src10_4
+POSTHOOK: Output: default@src10_4
 PREHOOK: query: -- When we convert the Join of sub1 and sub0 into a MapJoin,
 -- we can use a single MR job to evaluate this entire query.
 explain
@@ -14669,14 +14701,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: src10_1
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -14686,76 +14718,76 @@ STAGE PLANS:
                         outputColumnNames: _col0, _col1
                         input vertices:
                           1 Map 5
-                        Statistics: Num rows: 1 Data size: 125 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 5 Data size: 57 Basic stats: COMPLETE Column stats: NONE
                         HybridGraceHashJoin: true
                         Group By Operator
                           keys: _col0 (type: string), _col1 (type: string)
                           mode: hash
                           outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
                           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: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Map 5 
             Map Operator Tree:
                 TableScan
                   alias: src10_2
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: src10_3
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       keys: _col0 (type: string), _col1 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
                       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: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Map 9 
             Map Operator Tree:
                 TableScan
                   alias: src10_4
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       keys: _col0 (type: string), _col1 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
                       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: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 3 
             Execution mode: llap
@@ -14764,11 +14796,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
-                  Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: string)
         Reducer 4 
             Execution mode: uber
@@ -14776,10 +14808,10 @@ STAGE PLANS:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.TextInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -14791,17 +14823,17 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
                   keys: _col0 (type: string), _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
                   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: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
         Union 2 
             Vertex: Union 2
         Union 7 
@@ -14887,78 +14919,78 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: src10_1
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
         Map 10 
             Map Operator Tree:
                 TableScan
                   alias: src10_4
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       keys: _col0 (type: string), _col1 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
                       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: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Map 6 
             Map Operator Tree:
                 TableScan
                   alias: src10_2
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string)
                       outputColumnNames: _col0
-                      Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Map 7 
             Map Operator Tree:
                 TableScan
                   alias: src10_3
-                  Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: key (type: string), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       keys: _col0 (type: string), _col1 (type: string)
                       mode: hash
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
                       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: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 20 Data size: 208 Basic stats: COMPLETE Column stats: NONE
             Execution mode: llap
         Reducer 2 
             Execution mode: llap
@@ -14970,17 +15002,17 @@ STAGE PLANS:
                   0 _col0 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 125 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 5 Data size: 57 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
                   keys: _col0 (type: string), _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
                   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: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
         Reducer 4 
             Execution mode: llap
             Reduce Operator Tree:
@@ -14988,11 +15020,11 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
-                  Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: string)
         Reducer 5 
             Execution mode: uber
@@ -15000,10 +15032,10 @@ STAGE PLANS:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 1 Data size: 119 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 75 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.TextInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -15015,17 +15047,17 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 114 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 10 Data size: 104 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
                   keys: _col0 (type: string), _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
                   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: 2 Data size: 239 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 15 Data size: 161 Basic stats: COMPLETE Column stats: NONE
         Union 3 
             Vertex: Union 3
         Union 8