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Posted to commits@hive.apache.org by kg...@apache.org on 2018/01/05 10:48:51 UTC

[02/18] hive git commit: HIVE-18108: in case basic stats are missing; rowcount estimation depends on the selected columns size (Zoltan Haindrich, reviewed by Ashutosh Chauhan)

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_11.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_11.q.out b/ql/src/test/results/clientpositive/union_remove_11.q.out
index 98d9f1b..39de6a2 100644
--- a/ql/src/test/results/clientpositive/union_remove_11.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_11.q.out
@@ -63,20 +63,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                         output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -84,20 +84,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                         output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -105,20 +105,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 3 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                         output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_12.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_12.q.out b/ql/src/test/results/clientpositive/union_remove_12.q.out
index 534af49..702aef8 100644
--- a/ql/src/test/results/clientpositive/union_remove_12.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_12.q.out
@@ -59,14 +59,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                     output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -122,14 +122,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           TableScan
             alias: a
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -155,14 +155,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: bigint)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_13.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_13.q.out b/ql/src/test/results/clientpositive/union_remove_13.q.out
index dddd001..5e3983a 100644
--- a/ql/src/test/results/clientpositive/union_remove_13.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_13.q.out
@@ -59,22 +59,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -82,10 +82,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -141,14 +141,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           TableScan
             alias: a
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -174,14 +174,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: bigint)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_14.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_14.q.out b/ql/src/test/results/clientpositive/union_remove_14.q.out
index 534af49..702aef8 100644
--- a/ql/src/test/results/clientpositive/union_remove_14.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_14.q.out
@@ -59,14 +59,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                     output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -122,14 +122,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           TableScan
             alias: a
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -155,14 +155,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: bigint)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                           output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_15.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_15.q.out b/ql/src/test/results/clientpositive/union_remove_15.q.out
index a92507c..2f34a37 100644
--- a/ql/src/test/results/clientpositive/union_remove_15.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_15.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), '1' (type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                   output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -105,22 +105,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -128,14 +128,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), '2' (type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                   output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_16.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_16.q.out b/ql/src/test/results/clientpositive/union_remove_16.q.out
index e9683a2..8c0ef93 100644
--- a/ql/src/test/results/clientpositive/union_remove_16.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_16.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -79,14 +79,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), '1' (type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                   output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -139,22 +139,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -162,14 +162,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), '2' (type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                   output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_17.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_17.q.out b/ql/src/test/results/clientpositive/union_remove_17.q.out
index 9600a63..4e50b23 100644
--- a/ql/src/test/results/clientpositive/union_remove_17.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_17.q.out
@@ -50,20 +50,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int), '1' (type: string)
               outputColumnNames: _col0, _col1, _col2
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2
-                  Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                         output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -71,20 +71,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int), '2' (type: string)
               outputColumnNames: _col0, _col1, _col2
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2
-                  Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 2 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat
                         output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d0fa7d55/ql/src/test/results/clientpositive/union_remove_19.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_19.q.out b/ql/src/test/results/clientpositive/union_remove_19.q.out
index 7412bce..8a71f96 100644
--- a/ql/src/test/results/clientpositive/union_remove_19.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_19.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,10 +74,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -99,22 +99,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -122,10 +122,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -232,21 +232,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: (UDFToDouble(key) = 7.0) (type: boolean)
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 100 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -254,10 +254,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -279,21 +279,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: (UDFToDouble(key) = 7.0) (type: boolean)
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 100 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -301,10 +301,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -378,21 +378,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((UDFToDouble(key) + UDFToDouble(key)) >= 7.0) (type: boolean)
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 100 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -400,14 +400,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: UDFToString((UDFToDouble(_col0) + UDFToDouble(_col0))) (type: string), _col1 (type: bigint)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -429,21 +429,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((UDFToDouble(key) + UDFToDouble(key)) >= 7.0) (type: boolean)
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 100 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -451,14 +451,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: UDFToString((UDFToDouble(_col0) + UDFToDouble(_col0))) (type: string), _col1 (type: bigint)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_2.q.out b/ql/src/test/results/clientpositive/union_remove_2.q.out
index 41e9c75..0b84fb0 100644
--- a/ql/src/test/results/clientpositive/union_remove_2.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_2.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -79,10 +79,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -104,14 +104,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -123,14 +123,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_20.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_20.q.out b/ql/src/test/results/clientpositive/union_remove_20.q.out
index 2851616..02fe296 100644
--- a/ql/src/test/results/clientpositive/union_remove_20.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_20.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col1 (type: bigint), _col0 (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -103,22 +103,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -126,14 +126,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col1 (type: bigint), _col0 (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_21.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_21.q.out b/ql/src/test/results/clientpositive/union_remove_21.q.out
index 8a17965..9af1bac 100644
--- a/ql/src/test/results/clientpositive/union_remove_21.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_21.q.out
@@ -51,30 +51,30 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -96,30 +96,30 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_22.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_22.q.out b/ql/src/test/results/clientpositive/union_remove_22.q.out
index b5b75bf..12c0b18 100644
--- a/ql/src/test/results/clientpositive/union_remove_22.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_22.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), _col1 (type: bigint)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -103,22 +103,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -126,14 +126,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col1 (type: bigint), _col1 (type: bigint)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -242,22 +242,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -265,14 +265,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), UDFToLong(concat(_col1, _col1)) (type: bigint), UDFToLong(concat(_col1, _col1)) (type: bigint)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -294,22 +294,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -317,14 +317,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), UDFToLong(concat(_col1, _col1)) (type: bigint), UDFToLong(concat(_col1, _col1)) (type: bigint)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_23.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_23.q.out b/ql/src/test/results/clientpositive/union_remove_23.q.out
index 5c85abd..bc8edc0 100644
--- a/ql/src/test/results/clientpositive/union_remove_23.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_23.q.out
@@ -54,34 +54,34 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: a
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: b
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -90,13 +90,13 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count()
             keys: _col0 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -112,7 +112,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 3 Data size: 330 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -120,10 +120,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 110 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 110 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 330 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -145,22 +145,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -168,10 +168,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 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/d0fa7d55/ql/src/test/results/clientpositive/union_remove_24.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_24.q.out b/ql/src/test/results/clientpositive/union_remove_24.q.out
index 3b2ad9d..a0a7d38 100644
--- a/ql/src/test/results/clientpositive/union_remove_24.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_24.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: UDFToDouble(_col0) (type: double), _col1 (type: bigint)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -103,22 +103,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 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: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -126,14 +126,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: UDFToDouble(UDFToLong(_col0)) (type: double), _col1 (type: bigint)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat