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From xu...@apache.org
Subject [47/50] [abbrv] hive git commit: HIVE-11678 : Add AggregateProjectMergeRule (Ashutosh Chauhan via Jesus Camacho Rodriguez)
Date Wed, 16 Sep 2015 19:19:05 GMT
http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/groupby_resolution.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_resolution.q.out b/ql/src/test/results/clientpositive/groupby_resolution.q.out
index 7df53f2..ea40014 100644
--- a/ql/src/test/results/clientpositive/groupby_resolution.q.out
+++ b/ql/src/test/results/clientpositive/groupby_resolution.q.out
@@ -15,12 +15,12 @@ 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
               Reduce Output Operator
-                key expressions: _col0 (type: string)
+                key expressions: key (type: string)
                 sort order: +
-                Map-reduce partition columns: _col0 (type: string)
+                Map-reduce partition columns: key (type: string)
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Group By Operator
@@ -60,12 +60,12 @@ 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
               Reduce Output Operator
-                key expressions: _col0 (type: string)
+                key expressions: key (type: string)
                 sort order: +
-                Map-reduce partition columns: _col0 (type: string)
+                Map-reduce partition columns: key (type: string)
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Group By Operator
@@ -106,10 +106,10 @@ 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
               Reduce Output Operator
-                key expressions: _col0 (type: string)
+                key expressions: key (type: string)
                 sort order: +
                 Map-reduce partition columns: rand() (type: double)
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -176,10 +176,10 @@ 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
               Reduce Output Operator
-                key expressions: _col0 (type: string)
+                key expressions: key (type: string)
                 sort order: +
                 Map-reduce partition columns: rand() (type: double)
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -245,11 +245,11 @@ 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
@@ -297,11 +297,11 @@ 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
@@ -350,11 +350,11 @@ 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
@@ -427,11 +427,11 @@ 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
@@ -607,22 +607,18 @@ STAGE PLANS:
             Filter Operator
               predicate: (key < '12') (type: boolean)
               Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-              Select Operator
-                expressions: key (type: string)
-                outputColumnNames: _col0
+              Group By Operator
+                aggregations: count()
+                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: count()
-                  keys: _col0 (type: string)
-                  mode: hash
-                  outputColumnNames: _col0, _col1
+                Reduce Output Operator
+                  key expressions: _col0 (type: string)
+                  sort order: +
+                  Map-reduce partition columns: rand() (type: double)
                   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: rand() (type: double)
-                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: _col1 (type: bigint)
+                  value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
           aggregations: count(VALUE._col0)

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/groupby_rollup1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_rollup1.q.out b/ql/src/test/results/clientpositive/groupby_rollup1.q.out
index 8e04d86..292e14d 100644
--- a/ql/src/test/results/clientpositive/groupby_rollup1.q.out
+++ b/ql/src/test/results/clientpositive/groupby_rollup1.q.out
@@ -116,11 +116,11 @@ STAGE PLANS:
             Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), val (type: string)
-              outputColumnNames: _col0, _col1
+              outputColumnNames: key, val
               Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col1)
-                keys: _col0 (type: string), '0' (type: string), _col1 (type: string)
+                aggregations: count(DISTINCT val)
+                keys: key (type: string), '0' (type: string), val (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2, _col3
                 Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
@@ -293,11 +293,11 @@ STAGE PLANS:
             Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), val (type: string)
-              outputColumnNames: _col0, _col1
+              outputColumnNames: key, val
               Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col1)
-                keys: _col0 (type: string), '0' (type: string), _col1 (type: string)
+                aggregations: count(DISTINCT val)
+                keys: key (type: string), '0' (type: string), val (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2, _col3
                 Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/groupby_sort_10.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_sort_10.q.out b/ql/src/test/results/clientpositive/groupby_sort_10.q.out
index 2fead26..db8899f 100644
--- a/ql/src/test/results/clientpositive/groupby_sort_10.q.out
+++ b/ql/src/test/results/clientpositive/groupby_sort_10.q.out
@@ -41,10 +41,10 @@ STAGE PLANS:
             Statistics: Num rows: 4 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 4 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                keys: _col0 (type: string)
+                keys: key (type: string)
                 mode: final
                 outputColumnNames: _col0
                 Statistics: Num rows: 2 Data size: 15 Basic stats: COMPLETE Column stats: NONE
@@ -109,11 +109,11 @@ STAGE PLANS:
             Statistics: Num rows: 8 Data size: 60 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 8 Data size: 60 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 bucketGroup: true
-                keys: _col0 (type: string)
+                keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0
                 Statistics: Num rows: 8 Data size: 60 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/groupby_sort_11.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_sort_11.q.out b/ql/src/test/results/clientpositive/groupby_sort_11.q.out
index adf585d..2d4a44e 100644
--- a/ql/src/test/results/clientpositive/groupby_sort_11.q.out
+++ b/ql/src/test/results/clientpositive/groupby_sort_11.q.out
@@ -41,12 +41,12 @@ STAGE PLANS:
             Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col0)
+                aggregations: count(DISTINCT key)
                 bucketGroup: true
-                keys: _col0 (type: string)
+                keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
                 Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
@@ -435,10 +435,10 @@ STAGE PLANS:
             Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
               Reduce Output Operator
-                key expressions: _col0 (type: string)
+                key expressions: key (type: string)
                 sort order: +
                 Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/groupby_sort_8.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby_sort_8.q.out b/ql/src/test/results/clientpositive/groupby_sort_8.q.out
index ec16eb0..5152385 100644
--- a/ql/src/test/results/clientpositive/groupby_sort_8.q.out
+++ b/ql/src/test/results/clientpositive/groupby_sort_8.q.out
@@ -56,12 +56,12 @@ STAGE PLANS:
             Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col0)
+                aggregations: count(DISTINCT key)
                 bucketGroup: true
-                keys: _col0 (type: string)
+                keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
                 Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
@@ -122,11 +122,11 @@ STAGE PLANS:
             Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col0)
-                keys: _col0 (type: string)
+                aggregations: count(DISTINCT key)
+                keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
                 Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/having.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/having.q.out b/ql/src/test/results/clientpositive/having.q.out
index 8682a46..35b2901 100644
--- a/ql/src/test/results/clientpositive/having.q.out
+++ b/ql/src/test/results/clientpositive/having.q.out
@@ -99,22 +99,18 @@ 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)
       Reduce Operator Tree:
         Group By Operator
           aggregations: max(VALUE._col0)
@@ -469,11 +465,11 @@ 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
@@ -736,22 +732,18 @@ 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)
       Reduce Operator Tree:
         Group By Operator
           aggregations: max(VALUE._col0)
@@ -930,11 +922,11 @@ 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
@@ -1192,11 +1184,11 @@ 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/1cce5f00/ql/src/test/results/clientpositive/having2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/having2.q.out b/ql/src/test/results/clientpositive/having2.q.out
index ba601f9..699d8ee 100644
--- a/ql/src/test/results/clientpositive/having2.q.out
+++ b/ql/src/test/results/clientpositive/having2.q.out
@@ -133,11 +133,11 @@ STAGE PLANS:
             Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Select Operator
               expressions: customer_name (type: string), customer_balance (type: double), order_quantity (type: double), discount (type: double)
-              outputColumnNames: _col0, _col1, _col2, _col3
+              outputColumnNames: customer_name, customer_balance, order_quantity, discount
               Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Group By Operator
-                aggregations: sum(_col1), sum(_col2), count(_col3)
-                keys: _col0 (type: string)
+                aggregations: sum(customer_balance), sum(order_quantity), count(discount)
+                keys: customer_name (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2, _col3
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
@@ -200,11 +200,11 @@ STAGE PLANS:
             Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Select Operator
               expressions: customer_name (type: string), customer_balance (type: double), order_quantity (type: double), discount (type: double)
-              outputColumnNames: _col0, _col1, _col2, _col3
+              outputColumnNames: customer_name, customer_balance, order_quantity, discount
               Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Group By Operator
-                aggregations: sum(_col1), sum(_col2), count(_col3)
-                keys: _col0 (type: string)
+                aggregations: sum(customer_balance), sum(order_quantity), count(discount)
+                keys: customer_name (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2, _col3
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/index_auto_mult_tables.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/index_auto_mult_tables.q.out b/ql/src/test/results/clientpositive/index_auto_mult_tables.q.out
index 7755ed5..2639edf 100644
--- a/ql/src/test/results/clientpositive/index_auto_mult_tables.q.out
+++ b/ql/src/test/results/clientpositive/index_auto_mult_tables.q.out
@@ -229,10 +229,10 @@ STAGE PLANS:
               predicate: (((((UDFToDouble(key) > 70.0) and (UDFToDouble(key) < 90.0)) and (UDFToDouble(key) > 80.0)) and (UDFToDouble(key) < 100.0)) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator
@@ -326,10 +326,10 @@ STAGE PLANS:
               predicate: (((((UDFToDouble(key) > 80.0) and (UDFToDouble(key) < 100.0)) and (UDFToDouble(key) > 70.0)) and (UDFToDouble(key) < 90.0)) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/index_auto_self_join.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/index_auto_self_join.q.out b/ql/src/test/results/clientpositive/index_auto_self_join.q.out
index a214845..e8c23dc 100644
--- a/ql/src/test/results/clientpositive/index_auto_self_join.q.out
+++ b/ql/src/test/results/clientpositive/index_auto_self_join.q.out
@@ -137,10 +137,10 @@ STAGE PLANS:
               predicate: (((UDFToDouble(key) > 80.0) and (UDFToDouble(key) < 100.0)) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator
@@ -235,10 +235,10 @@ STAGE PLANS:
               predicate: (((UDFToDouble(key) > 70.0) and (UDFToDouble(key) < 90.0)) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/index_auto_update.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/index_auto_update.q.out b/ql/src/test/results/clientpositive/index_auto_update.q.out
index 70d0286..11af3f5 100644
--- a/ql/src/test/results/clientpositive/index_auto_update.q.out
+++ b/ql/src/test/results/clientpositive/index_auto_update.q.out
@@ -109,10 +109,10 @@ STAGE PLANS:
             alias: temp
             Select Operator
               expressions: key (type: string), INPUT__FILE__NAME (type: string), BLOCK__OFFSET__INSIDE__FILE (type: bigint)
-              outputColumnNames: _col0, _col1, _col2
+              outputColumnNames: key, INPUT__FILE__NAME, BLOCK__OFFSET__INSIDE__FILE
               Group By Operator
-                aggregations: collect_set(_col2)
-                keys: _col0 (type: string), _col1 (type: string)
+                aggregations: collect_set(BLOCK__OFFSET__INSIDE__FILE)
+                keys: key (type: string), INPUT__FILE__NAME (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2
                 Reduce Output Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/index_bitmap_auto_partitioned.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/index_bitmap_auto_partitioned.q.out b/ql/src/test/results/clientpositive/index_bitmap_auto_partitioned.q.out
index 65b6721..3df629e 100644
--- a/ql/src/test/results/clientpositive/index_bitmap_auto_partitioned.q.out
+++ b/ql/src/test/results/clientpositive/index_bitmap_auto_partitioned.q.out
@@ -70,10 +70,10 @@ STAGE PLANS:
               predicate: ((UDFToDouble(key) = 86.0) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/index_bitmap_compression.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/index_bitmap_compression.q.out b/ql/src/test/results/clientpositive/index_bitmap_compression.q.out
index 9673f08..37a2944 100644
--- a/ql/src/test/results/clientpositive/index_bitmap_compression.q.out
+++ b/ql/src/test/results/clientpositive/index_bitmap_compression.q.out
@@ -44,10 +44,10 @@ STAGE PLANS:
               predicate: (((UDFToDouble(key) > 80.0) and (UDFToDouble(key) < 100.0)) and (not EWAH_BITMAP_EMPTY(_bitmaps))) (type: boolean)
               Select Operator
                 expressions: _bucketname (type: string), _offset (type: bigint)
-                outputColumnNames: _col0, _col1
+                outputColumnNames: _col1, _col2
                 Group By Operator
-                  aggregations: collect_set(_col1)
-                  keys: _col0 (type: string)
+                  aggregations: collect_set(_col2)
+                  keys: _col1 (type: string)
                   mode: hash
                   outputColumnNames: _col0, _col1
                   Reduce Output Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/infer_bucket_sort_dyn_part.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/infer_bucket_sort_dyn_part.q.out b/ql/src/test/results/clientpositive/infer_bucket_sort_dyn_part.q.out
index c2f0810..a12dcd5 100644
--- a/ql/src/test/results/clientpositive/infer_bucket_sort_dyn_part.q.out
+++ b/ql/src/test/results/clientpositive/infer_bucket_sort_dyn_part.q.out
@@ -473,11 +473,11 @@ STAGE PLANS:
             Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 1000 Data size: 10624 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: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/infer_bucket_sort_map_operators.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/infer_bucket_sort_map_operators.q.out b/ql/src/test/results/clientpositive/infer_bucket_sort_map_operators.q.out
index 6aef463..1294766 100644
--- a/ql/src/test/results/clientpositive/infer_bucket_sort_map_operators.q.out
+++ b/ql/src/test/results/clientpositive/infer_bucket_sort_map_operators.q.out
@@ -81,11 +81,11 @@ STAGE PLANS:
             Statistics: Num rows: 58 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: key
               Statistics: Num rows: 58 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
-                keys: _col0 (type: string)
+                keys: key (type: string)
                 mode: final
                 outputColumnNames: _col0, _col1
                 Statistics: Num rows: 29 Data size: 2906 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/join18.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/join18.q.out b/ql/src/test/results/clientpositive/join18.q.out
index c3ab306..6a50604 100644
--- a/ql/src/test/results/clientpositive/join18.q.out
+++ b/ql/src/test/results/clientpositive/join18.q.out
@@ -43,11 +43,11 @@ 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
@@ -113,11 +113,11 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), value (type: string)
-              outputColumnNames: _col0, _col1
+              outputColumnNames: key, value
               Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col1)
-                keys: _col0 (type: string), _col1 (type: string)
+                aggregations: count(DISTINCT value)
+                keys: key (type: string), value (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2
                 Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/join18_multi_distinct.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/join18_multi_distinct.q.out b/ql/src/test/results/clientpositive/join18_multi_distinct.q.out
index a83102c..dfb0f68 100644
--- a/ql/src/test/results/clientpositive/join18_multi_distinct.q.out
+++ b/ql/src/test/results/clientpositive/join18_multi_distinct.q.out
@@ -45,11 +45,11 @@ 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
@@ -115,11 +115,11 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), value (type: string)
-              outputColumnNames: _col0, _col1
+              outputColumnNames: key, value
               Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                aggregations: count(DISTINCT _col1), count(DISTINCT _col0)
-                keys: _col0 (type: string), _col1 (type: string)
+                aggregations: count(DISTINCT value), count(DISTINCT key)
+                keys: key (type: string), value (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2, _col3
                 Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/join31.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/join31.q.out b/ql/src/test/results/clientpositive/join31.q.out
index 21aa1de..70ca814 100644
--- a/ql/src/test/results/clientpositive/join31.q.out
+++ b/ql/src/test/results/clientpositive/join31.q.out
@@ -51,20 +51,16 @@ 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)
+              Group By Operator
+                keys: key (type: string)
+                mode: hash
                 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
+                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
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
@@ -264,20 +260,16 @@ STAGE PLANS:
             Filter Operator
               predicate: key is not null (type: boolean)
               Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
-              Select Operator
-                expressions: key (type: string)
+              Group By Operator
+                keys: key (type: string)
+                mode: hash
                 outputColumnNames: _col0
                 Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
-                Group By Operator
-                  keys: _col0 (type: string)
-                  mode: hash
-                  outputColumnNames: _col0
+                Reduce Output Operator
+                  key expressions: _col0 (type: string)
+                  sort order: +
+                  Map-reduce partition columns: _col0 (type: string)
                   Statistics: Num rows: 13 Data size: 99 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out b/ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out
index 904acfc..dbc5eac 100644
--- a/ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out
+++ b/ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out
@@ -550,10 +550,10 @@ STAGE PLANS:
             Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: hr (type: string)
-              outputColumnNames: _col0
+              outputColumnNames: hr
               Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
-                keys: _col0 (type: string)
+                keys: hr (type: string)
                 mode: hash
                 outputColumnNames: _col0
                 Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/limit_pushdown.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/limit_pushdown.q.out b/ql/src/test/results/clientpositive/limit_pushdown.q.out
index d77bc60..40f6a48 100644
--- a/ql/src/test/results/clientpositive/limit_pushdown.q.out
+++ b/ql/src/test/results/clientpositive/limit_pushdown.q.out
@@ -355,10 +355,10 @@ 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
@@ -438,11 +438,11 @@ 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
-                aggregations: count(DISTINCT _col1)
-                keys: _col0 (type: tinyint), _col1 (type: double)
+                aggregations: count(DISTINCT cdouble)
+                keys: ctinyint (type: tinyint), cdouble (type: double)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2
                 Statistics: Num rows: 12288 Data size: 2641964 Basic stats: COMPLETE Column stats: NONE
@@ -523,10 +523,10 @@ 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
@@ -613,11 +613,11 @@ 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
@@ -727,11 +727,11 @@ 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
@@ -1012,16 +1012,16 @@ 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)
       Reduce Operator Tree:
         Group By Operator
           aggregations: sum(VALUE._col0)

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/lineage2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/lineage2.q.out b/ql/src/test/results/clientpositive/lineage2.q.out
index 549b5f6..4184a83 100644
--- a/ql/src/test/results/clientpositive/lineage2.q.out
+++ b/ql/src/test/results/clientpositive/lineage2.q.out
@@ -634,7 +634,7 @@ having count(a.c2) > 0
 PREHOOK: type: QUERY
 PREHOOK: Input: default@dest_l2
 #### A masked pattern was here ####
-{"version":"1.0","engine":"mr","hash":"0ae7aa4a0cbd1283210fa79e8a19104a","queryText":"select sum(a.c1) over (partition by a.c1 order by a.id)\nfrom dest_l2 a\nwhere a.c2 != 10\ngroup by a.c1, a.c2, a.id\nhaving count(a.c2) > 0","edges":[{"sources":[1,2,3],"targets":[0],"expression":"(tok_function sum (. (tok_table_or_col $hdt$_0) $f0) (tok_windowspec (tok_partitioningspec (tok_distributeby (. (tok_table_or_col $hdt$_0) $f0)) (tok_orderby (tok_tabsortcolnameasc (. (tok_table_or_col $hdt$_0) $f2)))) (tok_windowvalues (preceding 2147483647) current)))","edgeType":"PROJECTION"},{"sources":[2],"targets":[0],"expression":"(a.c2 <> 10)","edgeType":"PREDICATE"},{"sources":[2],"targets":[0],"expression":"(count(default.dest_l2.c2) > 0)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"c0"},{"id":1,"vertexType":"COLUMN","vertexId":"default.dest_l2.c1"},{"id":2,"vertexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"default
 .dest_l2.id"}]}
+{"version":"1.0","engine":"mr","hash":"0ae7aa4a0cbd1283210fa79e8a19104a","queryText":"select sum(a.c1) over (partition by a.c1 order by a.id)\nfrom dest_l2 a\nwhere a.c2 != 10\ngroup by a.c1, a.c2, a.id\nhaving count(a.c2) > 0","edges":[{"sources":[1,2,3],"targets":[0],"expression":"(tok_function sum (. (tok_table_or_col $hdt$_0) c1) (tok_windowspec (tok_partitioningspec (tok_distributeby (. (tok_table_or_col $hdt$_0) c1)) (tok_orderby (tok_tabsortcolnameasc (. (tok_table_or_col $hdt$_0) id)))) (tok_windowvalues (preceding 2147483647) current)))","edgeType":"PROJECTION"},{"sources":[2],"targets":[0],"expression":"(a.c2 <> 10)","edgeType":"PREDICATE"},{"sources":[2],"targets":[0],"expression":"(count(default.dest_l2.c2) > 0)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"c0"},{"id":1,"vertexType":"COLUMN","vertexId":"default.dest_l2.c1"},{"id":2,"vertexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"default.de
 st_l2.id"}]}
 1
 PREHOOK: query: select sum(a.c1), count(b.c1), b.c2, b.c3
 from dest_l2 a join dest_l3 b on (a.id = b.id)

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/lineage3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/lineage3.q.out b/ql/src/test/results/clientpositive/lineage3.q.out
index 6fd2aa4..708abee 100644
--- a/ql/src/test/results/clientpositive/lineage3.q.out
+++ b/ql/src/test/results/clientpositive/lineage3.q.out
@@ -180,7 +180,7 @@ PREHOOK: Input: default@src1
 #### A masked pattern was here ####
 {"version":"1.0","engine":"mr","hash":"8bf193b0658183be94e2428a79d91d10","queryText":"select * from src1 a\nwhere exists\n  (select cint from alltypesorc b\n   where a.key = b.ctinyint + 300)\nand key > 300","edges":[{"sources":[2],"targets":[0],"edgeType":"PROJECTION"},{"sources":[3],"targets":[1],"edgeType":"PROJECTION"},{"sources":[2],"targets":[0,1],"expression":"(UDFToDouble(a.key) > UDFToDouble(300))","edgeType":"PREDICATE"},{"sources":[2,4],"targets":[0,1],"expression":"(UDFToDouble(a.key) = UDFToDouble((UDFToInteger(b.ctinyint) + 300)))","edgeType":"PREDICATE"},{"sources":[],"targets":[0,1],"expression":"(1 = 1)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"a.key"},{"id":1,"vertexType":"COLUMN","vertexId":"a.value"},{"id":2,"vertexType":"COLUMN","vertexId":"default.src1.key"},{"id":3,"vertexType":"COLUMN","vertexId":"default.src1.value"},{"id":4,"vertexType":"COLUMN","vertexId":"default.alltypesorc.ctinyint"}]}
 311	val_311
-Warning: Shuffle Join JOIN[18][tables = [$hdt$_0, $hdt$_1]] in Stage 'Stage-1:MAPRED' is a cross product
+Warning: Shuffle Join JOIN[17][tables = [$hdt$_0, $hdt$_1]] in Stage 'Stage-1:MAPRED' is a cross product
 PREHOOK: query: select key, value from src1
 where key not in (select key+18 from src1) order by key
 PREHOOK: type: QUERY
@@ -317,6 +317,6 @@ PREHOOK: type: QUERY
 PREHOOK: Input: default@alltypesorc
 PREHOOK: Input: default@dest_v3
 #### A masked pattern was here ####
-{"version":"1.0","engine":"mr","hash":"40bccc0722002f798d0548b59e369e83","queryText":"select * from dest_v3 limit 2","edges":[{"sources":[3,4,5,6,7],"targets":[0],"expression":"(tok_function sum (. (tok_table_or_col $hdt$_0) $f0) (tok_windowspec (tok_partitioningspec (tok_distributeby (. (tok_table_or_col $hdt$_0) $f1)) (tok_orderby (tok_tabsortcolnameasc (. (tok_table_or_col $hdt$_0) $f1)))) (tok_windowvalues (preceding 2147483647) current)))","edgeType":"PROJECTION"},{"sources":[6],"targets":[1],"expression":"count(default.alltypesorc.cstring1)","edgeType":"PROJECTION"},{"sources":[5],"targets":[2],"edgeType":"PROJECTION"},{"sources":[8],"targets":[0,1,2],"expression":"(a.cboolean2 = true)","edgeType":"PREDICATE"},{"sources":[7],"targets":[0,1,2],"expression":"(a.cint = a.cint)","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2],"expression":"(a.cfloat > 0.0)","edgeType":"PREDICATE"},{"sources":[7],"targets":[0,1,2],"expression":"(count(default.alltypesorc.cint) > 10)","edge
 Type":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"dest_v3.a"},{"id":1,"vertexType":"COLUMN","vertexId":"dest_v3.x"},{"id":2,"vertexType":"COLUMN","vertexId":"dest_v3.cboolean1"},{"id":3,"vertexType":"COLUMN","vertexId":"default.alltypesorc.ctinyint"},{"id":4,"vertexType":"COLUMN","vertexId":"default.alltypesorc.csmallint"},{"id":5,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cboolean1"},{"id":6,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cstring1"},{"id":7,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cint"},{"id":8,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cboolean2"},{"id":9,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cfloat"}]}
+{"version":"1.0","engine":"mr","hash":"40bccc0722002f798d0548b59e369e83","queryText":"select * from dest_v3 limit 2","edges":[{"sources":[3,4,5,6,7],"targets":[0],"expression":"(tok_function sum (. (tok_table_or_col $hdt$_0) ctinyint) (tok_windowspec (tok_partitioningspec (tok_distributeby (. (tok_table_or_col $hdt$_0) csmallint)) (tok_orderby (tok_tabsortcolnameasc (. (tok_table_or_col $hdt$_0) csmallint)))) (tok_windowvalues (preceding 2147483647) current)))","edgeType":"PROJECTION"},{"sources":[6],"targets":[1],"expression":"count(default.alltypesorc.cstring1)","edgeType":"PROJECTION"},{"sources":[5],"targets":[2],"edgeType":"PROJECTION"},{"sources":[8],"targets":[0,1,2],"expression":"(a.cboolean2 = true)","edgeType":"PREDICATE"},{"sources":[7],"targets":[0,1,2],"expression":"(a.cint = a.cint)","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2],"expression":"(a.cfloat > 0.0)","edgeType":"PREDICATE"},{"sources":[7],"targets":[0,1,2],"expression":"(count(default.alltypesorc.c
 int) > 10)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"dest_v3.a"},{"id":1,"vertexType":"COLUMN","vertexId":"dest_v3.x"},{"id":2,"vertexType":"COLUMN","vertexId":"dest_v3.cboolean1"},{"id":3,"vertexType":"COLUMN","vertexId":"default.alltypesorc.ctinyint"},{"id":4,"vertexType":"COLUMN","vertexId":"default.alltypesorc.csmallint"},{"id":5,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cboolean1"},{"id":6,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cstring1"},{"id":7,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cint"},{"id":8,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cboolean2"},{"id":9,"vertexType":"COLUMN","vertexId":"default.alltypesorc.cfloat"}]}
 38	216	false
 38	229	true

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/list_bucket_query_multiskew_3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/list_bucket_query_multiskew_3.q.out b/ql/src/test/results/clientpositive/list_bucket_query_multiskew_3.q.out
index 753729f..8f1d94e 100644
--- a/ql/src/test/results/clientpositive/list_bucket_query_multiskew_3.q.out
+++ b/ql/src/test/results/clientpositive/list_bucket_query_multiskew_3.q.out
@@ -451,7 +451,7 @@ STAGE PLANS:
               name: default.fact_daily
             name: default.fact_daily
       Truncated Path -> Alias:
-        /fact_daily/ds=1/hr=1 [$hdt$_0:fact_daily]
+        /fact_daily/ds=1/hr=1 [fact_daily]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/mapjoin_mapjoin.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/mapjoin_mapjoin.q.out b/ql/src/test/results/clientpositive/mapjoin_mapjoin.q.out
index 9775f30..e92f307 100644
--- a/ql/src/test/results/clientpositive/mapjoin_mapjoin.q.out
+++ b/ql/src/test/results/clientpositive/mapjoin_mapjoin.q.out
@@ -566,11 +566,11 @@ STAGE PLANS:
   Stage: Stage-9
     Map Reduce Local Work
       Alias -> Map Local Tables:
-        $hdt$_0:$hdt$_1:src 
+        $hdt$_1:src 
           Fetch Operator
             limit: -1
       Alias -> Map Local Operator Tree:
-        $hdt$_0:$hdt$_1:src 
+        $hdt$_1:src 
           TableScan
             alias: src
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -619,11 +619,11 @@ STAGE PLANS:
   Stage: Stage-8
     Map Reduce Local Work
       Alias -> Map Local Tables:
-        $hdt$_0:$hdt$_2:src 
+        $hdt$_2:src 
           Fetch Operator
             limit: -1
       Alias -> Map Local Operator Tree:
-        $hdt$_0:$hdt$_2:src 
+        $hdt$_2:src 
           TableScan
             alias: src
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
@@ -651,22 +651,18 @@ STAGE PLANS:
                 1 _col0 (type: string)
               outputColumnNames: _col2
               Statistics: Num rows: 605 Data size: 6427 Basic stats: COMPLETE Column stats: NONE
-              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)
       Local Work:
         Map Reduce Local Work
       Reduce Operator Tree:

http://git-wip-us.apache.org/repos/asf/hive/blob/1cce5f00/ql/src/test/results/clientpositive/metadata_only_queries.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/metadata_only_queries.q.out b/ql/src/test/results/clientpositive/metadata_only_queries.q.out
index 5907f4a..2dcd437 100644
--- a/ql/src/test/results/clientpositive/metadata_only_queries.q.out
+++ b/ql/src/test/results/clientpositive/metadata_only_queries.q.out
@@ -431,10 +431,10 @@ 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/1cce5f00/ql/src/test/results/clientpositive/metadataonly1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/metadataonly1.q.out b/ql/src/test/results/clientpositive/metadataonly1.q.out
index 0d758a5..727b2e7 100644
--- a/ql/src/test/results/clientpositive/metadataonly1.q.out
+++ b/ql/src/test/results/clientpositive/metadataonly1.q.out
@@ -43,10 +43,10 @@ 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
@@ -144,10 +144,10 @@ 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
@@ -158,7 +158,7 @@ STAGE PLANS:
                   value expressions: _col0 (type: string)
                   auto parallelism: false
       Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
       Path -> Partition:
         -mr-10003default.test1{ds=1} 
           Partition
@@ -200,7 +200,7 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -284,11 +284,11 @@ 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
@@ -299,7 +299,7 @@ STAGE PLANS:
                   tag: -1
                   auto parallelism: false
       Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
       Path -> Partition:
         -mr-10003default.test1{ds=1} 
           Partition
@@ -341,7 +341,7 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -425,10 +425,10 @@ 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
@@ -482,7 +482,7 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        /test1/ds=1 [$hdt$_0:test1]
+        /test1/ds=1 [test1]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -604,10 +604,10 @@ 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
@@ -618,8 +618,8 @@ STAGE PLANS:
                   value expressions: _col0 (type: string)
                   auto parallelism: false
       Path -> Alias:
-        -mr-10005default.test1{ds=1} [$hdt$_0:$hdt$_1:$hdt$_1:a2]
-        -mr-10006default.test1{ds=2} [$hdt$_0:$hdt$_1:$hdt$_1:a2]
+        -mr-10005default.test1{ds=1} [$hdt$_1:a2]
+        -mr-10006default.test1{ds=2} [$hdt$_1:a2]
       Path -> Partition:
         -mr-10005default.test1{ds=1} 
           Partition
@@ -700,8 +700,8 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        -mr-10005default.test1{ds=1} [$hdt$_0:$hdt$_1:$hdt$_1:a2]
-        -mr-10006default.test1{ds=2} [$hdt$_0:$hdt$_1:$hdt$_1:a2]
+        -mr-10005default.test1{ds=1} [$hdt$_1:a2]
+        -mr-10006default.test1{ds=2} [$hdt$_1:a2]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -862,8 +862,8 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        /test1/ds=1 [$hdt$_0:$hdt$_0:a2]
-        /test1/ds=2 [$hdt$_0:$hdt$_0:a2]
+        /test1/ds=1 [$hdt$_0:a2]
+        /test1/ds=2 [$hdt$_0:a2]
 #### A masked pattern was here ####
       Needs Tagging: true
       Reduce Operator Tree:
@@ -1053,11 +1053,11 @@ 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
@@ -1069,9 +1069,9 @@ STAGE PLANS:
                   tag: -1
                   auto parallelism: false
       Path -> Alias:
-        -mr-10003default.test2{ds=1, hr=1} [$hdt$_0:test2]
-        -mr-10004default.test2{ds=1, hr=2} [$hdt$_0:test2]
-        -mr-10005default.test2{ds=1, hr=3} [$hdt$_0:test2]
+        -mr-10003default.test2{ds=1, hr=1} [test2]
+        -mr-10004default.test2{ds=1, hr=2} [test2]
+        -mr-10005default.test2{ds=1, hr=3} [test2]
       Path -> Partition:
         -mr-10003default.test2{ds=1, hr=1} 
           Partition
@@ -1194,9 +1194,9 @@ STAGE PLANS:
               name: default.test2
             name: default.test2
       Truncated Path -> Alias:
-        -mr-10003default.test2{ds=1, hr=1} [$hdt$_0:test2]
-        -mr-10004default.test2{ds=1, hr=2} [$hdt$_0:test2]
-        -mr-10005default.test2{ds=1, hr=3} [$hdt$_0:test2]
+        -mr-10003default.test2{ds=1, hr=1} [test2]
+        -mr-10004default.test2{ds=1, hr=2} [test2]
+        -mr-10005default.test2{ds=1, hr=3} [test2]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -1291,11 +1291,11 @@ 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
@@ -1434,9 +1434,9 @@ STAGE PLANS:
               name: default.test2
             name: default.test2
       Truncated Path -> Alias:
-        /test2/ds=1/hr=1 [$hdt$_0:test2]
-        /test2/ds=1/hr=2 [$hdt$_0:test2]
-        /test2/ds=1/hr=3 [$hdt$_0:test2]
+        /test2/ds=1/hr=1 [test2]
+        /test2/ds=1/hr=2 [test2]
+        /test2/ds=1/hr=3 [test2]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -1524,10 +1524,10 @@ 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
@@ -1538,8 +1538,8 @@ STAGE PLANS:
                   value expressions: _col0 (type: string)
                   auto parallelism: false
       Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
-        -mr-10004default.test1{ds=2} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
+        -mr-10004default.test1{ds=2} [test1]
       Path -> Partition:
         -mr-10003default.test1{ds=1} 
           Partition
@@ -1620,8 +1620,8 @@ STAGE PLANS:
               name: default.test1
             name: default.test1
       Truncated Path -> Alias:
-        -mr-10003default.test1{ds=1} [$hdt$_0:test1]
-        -mr-10004default.test1{ds=2} [$hdt$_0:test1]
+        -mr-10003default.test1{ds=1} [test1]
+        -mr-10004default.test1{ds=2} [test1]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator
@@ -1764,11 +1764,11 @@ 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
@@ -1780,11 +1780,11 @@ STAGE PLANS:
                   tag: -1
                   auto parallelism: false
       Path -> Alias:
-        -mr-10003default.test2{ds=01_10_10, hr=01} [$hdt$_0:test2]
-        -mr-10004default.test2{ds=01_10_20, hr=02} [$hdt$_0:test2]
-        -mr-10005default.test2{ds=1, hr=1} [$hdt$_0:test2]
-        -mr-10006default.test2{ds=1, hr=2} [$hdt$_0:test2]
-        -mr-10007default.test2{ds=1, hr=3} [$hdt$_0:test2]
+        -mr-10003default.test2{ds=01_10_10, hr=01} [test2]
+        -mr-10004default.test2{ds=01_10_20, hr=02} [test2]
+        -mr-10005default.test2{ds=1, hr=1} [test2]
+        -mr-10006default.test2{ds=1, hr=2} [test2]
+        -mr-10007default.test2{ds=1, hr=3} [test2]
       Path -> Partition:
         -mr-10003default.test2{ds=01_10_10, hr=01} 
           Partition
@@ -1987,11 +1987,11 @@ STAGE PLANS:
               name: default.test2
             name: default.test2
       Truncated Path -> Alias:
-        -mr-10003default.test2{ds=01_10_10, hr=01} [$hdt$_0:test2]
-        -mr-10004default.test2{ds=01_10_20, hr=02} [$hdt$_0:test2]
-        -mr-10005default.test2{ds=1, hr=1} [$hdt$_0:test2]
-        -mr-10006default.test2{ds=1, hr=2} [$hdt$_0:test2]
-        -mr-10007default.test2{ds=1, hr=3} [$hdt$_0:test2]
+        -mr-10003default.test2{ds=01_10_10, hr=01} [test2]
+        -mr-10004default.test2{ds=01_10_20, hr=02} [test2]
+        -mr-10005default.test2{ds=1, hr=1} [test2]
+        -mr-10006default.test2{ds=1, hr=2} [test2]
+        -mr-10007default.test2{ds=1, hr=3} [test2]
       Needs Tagging: false
       Reduce Operator Tree:
         Group By Operator


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