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Posted to commits@hive.apache.org by kg...@apache.org on 2017/12/20 10:40:07 UTC

[06/37] 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/spark/union_remove_19.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_19.q.out b/ql/src/test/results/clientpositive/spark/union_remove_19.q.out
index 4e3dc8e..f021459 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_19.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_19.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
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                     outputColumnNames: key
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                       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)
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+                        Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -80,10 +80,10 @@ 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
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-                  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
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                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -96,10 +96,10 @@ 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: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                   table:
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                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -221,21 +221,21 @@ 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
                   Filter Operator
                     predicate: (UDFToDouble(key) = 7.0) (type: boolean)
-                    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
                     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: 1 Data size: 100 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: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -244,10 +244,10 @@ 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: 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
@@ -260,10 +260,10 @@ 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: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                   table:
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                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -352,21 +352,21 @@ 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
                   Filter Operator
                     predicate: ((UDFToDouble(key) + UDFToDouble(key)) >= 7.0) (type: boolean)
-                    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
                     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: 1 Data size: 100 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: 1 Data size: 100 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -375,14 +375,14 @@ 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: UDFToString((UDFToDouble(_col0) + UDFToDouble(_col0))) (type: string), _col1 (type: bigint)
                   outputColumnNames: _col0, _col1
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                   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
@@ -395,14 +395,14 @@ 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: UDFToString((UDFToDouble(_col0) + UDFToDouble(_col0))) (type: string), _col1 (type: bigint)
                   outputColumnNames: _col0, _col1
-                  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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_2.q.out
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diff --git a/ql/src/test/results/clientpositive/spark/union_remove_2.q.out b/ql/src/test/results/clientpositive/spark/union_remove_2.q.out
index d440f45..e4329cf 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_2.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_2.q.out
@@ -59,35 +59,35 @@ 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)
         Map 3 
             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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -97,14 +97,14 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -117,10 +117,10 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 700 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/spark/union_remove_20.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_20.q.out b/ql/src/test/results/clientpositive/spark/union_remove_20.q.out
index 4e2d472..76fae8c 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_20.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_20.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)
         Reducer 2 
             Reduce Operator Tree:
@@ -80,14 +80,14 @@ 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: _col1 (type: bigint), _col0 (type: string)
                   outputColumnNames: _col0, _col1
-                  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
@@ -100,14 +100,14 @@ 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: _col1 (type: bigint), _col0 (type: string)
                   outputColumnNames: _col0, _col1
-                  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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_21.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_21.q.out b/ql/src/test/results/clientpositive/spark/union_remove_21.q.out
index 9eb2978..98aa546 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_21.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_21.q.out
@@ -56,31 +56,31 @@ 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
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                       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
         Reducer 2 
             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: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                   table:
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                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -92,10 +92,10 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
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                 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:
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                       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/spark/union_remove_22.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_22.q.out b/ql/src/test/results/clientpositive/spark/union_remove_22.q.out
index 072d5c9..2510966 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_22.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_22.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
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                   Select Operator
                     expressions: key (type: string)
                     outputColumnNames: key
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                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
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+                        Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -80,14 +80,14 @@ 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
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                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: bigint), _col1 (type: bigint)
                   outputColumnNames: _col0, _col1, _col2
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                   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
@@ -100,14 +100,14 @@ 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
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                   File Output Operator
                     compressed: false
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+                    Statistics: Num rows: 2 Data size: 200 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
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@@ -231,22 +231,22 @@ 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
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                     Group By Operator
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                       keys: key (type: string)
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                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
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+                        Statistics: Num rows: 3 Data size: 300 Basic stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
         Reducer 2 
             Reduce Operator Tree:
@@ -255,14 +255,14 @@ STAGE PLANS:
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
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                 Select Operator
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                   outputColumnNames: _col0, _col1, _col2
-                  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
@@ -275,14 +275,14 @@ 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: 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_23.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_23.q.out b/ql/src/test/results/clientpositive/spark/union_remove_23.q.out
index 89938f0..f436377 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_23.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_23.q.out
@@ -59,56 +59,56 @@ 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
         Map 4 
             Map Operator Tree:
                 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
         Map 5 
             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)
         Reducer 2 
             Reduce Operator Tree:
@@ -119,18 +119,18 @@ 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
                   Reduce Output Operator
                     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)
         Reducer 3 
             Reduce Operator Tree:
@@ -139,10 +139,10 @@ 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: 2 Data size: 63 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 210 Basic stats: COMPLETE Column stats: NONE
                   table:
                       input format: org.apache.hadoop.mapred.TextInputFormat
                       output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -155,10 +155,10 @@ 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: 2 Data size: 63 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 210 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/spark/union_remove_24.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_24.q.out b/ql/src/test/results/clientpositive/spark/union_remove_24.q.out
index 8ba574a..68c82dd 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_24.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_24.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)
         Reducer 2 
             Reduce Operator Tree:
@@ -80,14 +80,14 @@ 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: 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
@@ -100,14 +100,14 @@ 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: 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_25.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_25.q.out b/ql/src/test/results/clientpositive/spark/union_remove_25.q.out
index 6ee4777..6486e7f 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_25.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_25.q.out
@@ -72,22 +72,22 @@ 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)
         Reducer 2 
             Reduce Operator Tree:
@@ -96,10 +96,10 @@ 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: 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
@@ -112,10 +112,10 @@ 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: 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_3.q.out b/ql/src/test/results/clientpositive/spark/union_remove_3.q.out
index 4ce449b..34f6610 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_3.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_3.q.out
@@ -57,18 +57,18 @@ 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
                     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
@@ -78,18 +78,18 @@ 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: 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
                     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
@@ -99,18 +99,18 @@ 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), 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
                     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/spark/union_remove_4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_4.q.out b/ql/src/test/results/clientpositive/spark/union_remove_4.q.out
index 405356b..c255184 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_4.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_4.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)
         Reducer 2 
             Reduce Operator Tree:
@@ -85,10 +85,10 @@ 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: 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
@@ -101,10 +101,10 @@ 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: 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_5.q.out b/ql/src/test/results/clientpositive/spark/union_remove_5.q.out
index 36046a5..16927f3 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_5.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_5.q.out
@@ -64,35 +64,35 @@ 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)
         Map 3 
             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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -102,14 +102,14 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 700 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/spark/union_remove_6.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_6.q.out b/ql/src/test/results/clientpositive/spark/union_remove_6.q.out
index 5680345..1737686 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_6.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_6.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)
         Reducer 2 
             Reduce Operator Tree:
@@ -89,10 +89,10 @@ 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: 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
@@ -100,7 +100,7 @@ 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
@@ -113,10 +113,10 @@ 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: 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
@@ -124,7 +124,7 @@ 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_6_subq.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_6_subq.q.out b/ql/src/test/results/clientpositive/spark/union_remove_6_subq.q.out
index cb27d91..3f3d7c9 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_6_subq.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_6_subq.q.out
@@ -69,22 +69,22 @@ 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)
         Reducer 2 
             Reduce Operator Tree:
@@ -93,10 +93,10 @@ 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: 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
@@ -104,7 +104,7 @@ 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
@@ -117,10 +117,10 @@ 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: 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
@@ -128,7 +128,7 @@ 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

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/spark/union_remove_7.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_7.q.out b/ql/src/test/results/clientpositive/spark/union_remove_7.q.out
index 5ccadb2..5e14338 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_7.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_7.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)
         Reducer 2 
             Reduce Operator Tree:
@@ -80,10 +80,10 @@ 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: 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.hive.ql.io.RCFileInputFormat
                       output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -96,10 +96,10 @@ 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: 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.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/spark/union_remove_8.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_8.q.out b/ql/src/test/results/clientpositive/spark/union_remove_8.q.out
index 31680e9..168ce84 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_8.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_8.q.out
@@ -59,35 +59,35 @@ 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)
         Map 3 
             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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 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
@@ -97,14 +97,14 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 7 Data size: 700 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
@@ -117,10 +117,10 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 700 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/spark/union_remove_9.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/union_remove_9.q.out b/ql/src/test/results/clientpositive/spark/union_remove_9.q.out
index 43b77c8..3ae77e0 100644
--- a/ql/src/test/results/clientpositive/spark/union_remove_9.q.out
+++ b/ql/src/test/results/clientpositive/spark/union_remove_9.q.out
@@ -68,39 +68,39 @@ 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)
         Map 3 
             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
                     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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 700 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
@@ -110,18 +110,18 @@ 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: 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
                     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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 7 Data size: 700 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
@@ -134,10 +134,10 @@ 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: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 7 Data size: 700 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