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Posted to commits@hive.apache.org by kg...@apache.org on 2017/12/20 10:40:04 UTC

[03/37] hive git commit: HIVE-18149: Stats: rownum estimation from datasize underestimates in most cases (Zoltan Haindrich, reviewed by Ashutosh Chauhan)

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/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 1cd4892..8a17965 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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/e26b9325/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 07feaec..b5b75bf 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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/e26b9325/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 a81ecc7..5c85abd 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: b
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 3 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: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 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: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 33 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 110 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 110 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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/e26b9325/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 44d1c36..3b2ad9d 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 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: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 100 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/e26b9325/ql/src/test/results/clientpositive/union_remove_25.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_25.q.out b/ql/src/test/results/clientpositive/union_remove_25.q.out
index faeab6a..ef8e913 100644
--- a/ql/src/test/results/clientpositive/union_remove_25.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_25.q.out
@@ -67,22 +67,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -90,10 +90,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -117,22 +117,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -140,10 +140,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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/e26b9325/ql/src/test/results/clientpositive/union_remove_3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_3.q.out b/ql/src/test/results/clientpositive/union_remove_3.q.out
index f4a4e4c..2e260f5 100644
--- a/ql/src/test/results/clientpositive/union_remove_3.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_3.q.out
@@ -54,20 +54,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 9 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -75,20 +75,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 9 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -96,20 +96,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 3 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 9 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 9 Data size: 900 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 9 Data size: 900 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/e26b9325/ql/src/test/results/clientpositive/union_remove_4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_4.q.out b/ql/src/test/results/clientpositive/union_remove_4.q.out
index 0f28ff8..4cac408 100644
--- a/ql/src/test/results/clientpositive/union_remove_4.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_4.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -143,22 +143,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -166,10 +166,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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/e26b9325/ql/src/test/results/clientpositive/union_remove_5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_5.q.out b/ql/src/test/results/clientpositive/union_remove_5.q.out
index 7576c36..7d3b435 100644
--- a/ql/src/test/results/clientpositive/union_remove_5.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_5.q.out
@@ -61,22 +61,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -84,10 +84,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -148,14 +148,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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
@@ -167,14 +167,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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/e26b9325/ql/src/test/results/clientpositive/union_remove_6.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_6.q.out b/ql/src/test/results/clientpositive/union_remove_6.q.out
index c08177d..48c9a29 100644
--- a/ql/src/test/results/clientpositive/union_remove_6.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_6.q.out
@@ -61,22 +61,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -84,7 +84,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:
@@ -97,10 +97,10 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             Union
-              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -108,7 +108,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -116,10 +116,10 @@ STAGE PLANS:
                     name: default.outputtbl2
           TableScan
             Union
-              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -127,7 +127,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -159,22 +159,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -182,7 +182,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_6_subq.q.out b/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
index 5f5f86c..f1d8bf3 100644
--- a/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
@@ -65,22 +65,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -88,7 +88,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:
@@ -101,10 +101,10 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             Union
-              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -112,7 +112,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -120,10 +120,10 @@ STAGE PLANS:
                     name: default.outputtbl2
           TableScan
             Union
-              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -131,7 +131,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -163,22 +163,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -186,7 +186,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/union_remove_7.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_7.q.out b/ql/src/test/results/clientpositive/union_remove_7.q.out
index da71188..6e90ae6 100644
--- a/ql/src/test/results/clientpositive/union_remove_7.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_7.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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
@@ -99,22 +99,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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/e26b9325/ql/src/test/results/clientpositive/union_remove_8.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_8.q.out b/ql/src/test/results/clientpositive/union_remove_8.q.out
index a2e1b36..a387f7e 100644
--- a/ql/src/test/results/clientpositive/union_remove_8.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_8.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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
@@ -104,14 +104,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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
@@ -123,14 +123,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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/e26b9325/ql/src/test/results/clientpositive/union_remove_9.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_9.q.out b/ql/src/test/results/clientpositive/union_remove_9.q.out
index e87a890..78ad309 100644
--- a/ql/src/test/results/clientpositive/union_remove_9.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_9.q.out
@@ -64,22 +64,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 3 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: 30 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -87,10 +87,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 100 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
@@ -141,20 +141,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 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
@@ -162,20 +162,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 6 Data size: 600 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 6 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/e26b9325/ql/src/test/results/clientpositive/union_view.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_view.q.out b/ql/src/test/results/clientpositive/union_view.q.out
index 301f521..16d6e8a 100644
--- a/ql/src/test/results/clientpositive/union_view.q.out
+++ b/ql/src/test/results/clientpositive/union_view.q.out
@@ -719,13 +719,13 @@ STAGE PLANS:
             filterExpr: (ds = '1') (type: boolean)
             properties:
               insideView TRUE
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 53120 Basic stats: COMPLETE Column stats: NONE
             Select Operator
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 53120 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash
@@ -747,9 +747,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -771,9 +771,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -847,9 +847,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -864,13 +864,13 @@ STAGE PLANS:
             filterExpr: (ds = '2') (type: boolean)
             properties:
               insideView TRUE
-            Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1000 Data size: 106240 Basic stats: COMPLETE Column stats: NONE
             Select Operator
-              Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1000 Data size: 106240 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash
@@ -892,9 +892,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -968,9 +968,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -992,9 +992,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -1009,13 +1009,13 @@ STAGE PLANS:
             filterExpr: (ds = '3') (type: boolean)
             properties:
               insideView TRUE
-            Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1000 Data size: 106240 Basic stats: COMPLETE Column stats: NONE
             Select Operator
-              Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1000 Data size: 106240 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 106240 Basic stats: PARTIAL Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash
@@ -1212,9 +1212,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -1236,9 +1236,9 @@ STAGE PLANS:
               Select Operator
                 Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                     Group By Operator
                       aggregations: count()
                       mode: hash
@@ -1253,13 +1253,13 @@ STAGE PLANS:
             filterExpr: (ds = '4') (type: boolean)
             properties:
               insideView TRUE
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 53120 Basic stats: COMPLETE Column stats: NONE
             Select Operator
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 53120 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 502 Data size: 5312 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 53120 Basic stats: PARTIAL Column stats: NONE
                   Group By Operator
                     aggregations: count()
                     mode: hash