http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/udf_trunc_number.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/udf_trunc_number.q.out 
b/ql/src/test/results/clientpositive/udf_trunc_number.q.out
index 1bdab02..9deb381 100644
--- a/ql/src/test/results/clientpositive/udf_trunc_number.q.out
+++ b/ql/src/test/results/clientpositive/udf_trunc_number.q.out
@@ -69,11 +69,11 @@ STAGE PLANS:
       Processor Tree:
         TableScan
           alias: sampletable
-          Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: trunc(c, d) (type: double)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE 
Column stats: NONE
             ListSink
 
 PREHOOK: query: select trunc (c,d) from sampletable
@@ -124,11 +124,11 @@ STAGE PLANS:
       Processor Tree:
         TableScan
           alias: sampletable1
-          Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: trunc(c, d) (type: float)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE 
Column stats: NONE
             ListSink
 
 PREHOOK: query: select trunc (c,d) from sampletable1
@@ -179,11 +179,11 @@ STAGE PLANS:
       Processor Tree:
         TableScan
           alias: sampletable2
-          Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: trunc(c, d) (type: double)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 50 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 500 Basic stats: COMPLETE 
Column stats: NONE
             ListSink
 
 PREHOOK: query: select trunc (c,d) from sampletable2
@@ -234,11 +234,11 @@ STAGE PLANS:
       Processor Tree:
         TableScan
           alias: sampletable3
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: trunc(c, d) (type: bigint)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             ListSink
 
 PREHOOK: query: select trunc (c,d) from sampletable3
@@ -289,11 +289,11 @@ STAGE PLANS:
       Processor Tree:
         TableScan
           alias: sampletable4
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: trunc(c, d) (type: int)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             ListSink
 
 PREHOOK: query: select trunc (c,d) from sampletable4

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/udf_width_bucket.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/udf_width_bucket.q.out 
b/ql/src/test/results/clientpositive/udf_width_bucket.q.out
index 6879631..eeca88a 100644
--- a/ql/src/test/results/clientpositive/udf_width_bucket.q.out
+++ b/ql/src/test/results/clientpositive/udf_width_bucket.q.out
@@ -32,7 +32,7 @@ STAGE PLANS:
         TableScan
           alias: _dummy_table
           Row Limit Per Split: 1
-          Statistics: Num rows: 1 Data size: 1 Basic stats: COMPLETE Column 
stats: COMPLETE
+          Statistics: Num rows: 1 Data size: 10 Basic stats: COMPLETE Column 
stats: COMPLETE
           Select Operator
             expressions: 2 (type: int)
             outputColumnNames: _col0

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/udtf_stack.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/udtf_stack.q.out 
b/ql/src/test/results/clientpositive/udtf_stack.q.out
index 3192a44..f1baa9b 100644
--- a/ql/src/test/results/clientpositive/udtf_stack.q.out
+++ b/ql/src/test/results/clientpositive/udtf_stack.q.out
@@ -174,7 +174,7 @@ STAGE PLANS:
           TableScan
             alias: _dummy_table
             Row Limit Per Split: 1
-            Statistics: Num rows: 1 Data size: 1 Basic stats: COMPLETE Column 
stats: COMPLETE
+            Statistics: Num rows: 1 Data size: 10 Basic stats: COMPLETE Column 
stats: COMPLETE
             Select Operator
               expressions: 1 (type: int), 'en' (type: string), 'dbpedia' 
(type: string), null (type: void)
               outputColumnNames: _col0, _col1, _col2, _col3

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/union21.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union21.q.out 
b/ql/src/test/results/clientpositive/union21.q.out
index 02a09a3..062816e 100644
--- a/ql/src/test/results/clientpositive/union21.q.out
+++ b/ql/src/test/results/clientpositive/union21.q.out
@@ -44,7 +44,7 @@ STAGE PLANS:
               outputColumnNames: _col0
               Statistics: Num rows: 500 Data size: 42500 Basic stats: COMPLETE 
Column stats: COMPLETE
               Union
-                Statistics: Num rows: 1522 Data size: 59264 Basic stats: 
COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 1522 Data size: 114524 Basic stats: 
COMPLETE Column stats: PARTIAL
                 Group By Operator
                   aggregations: count(1)
                   keys: _col0 (type: string)
@@ -65,7 +65,7 @@ STAGE PLANS:
               outputColumnNames: _col0
               Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE 
Column stats: NONE
               Union
-                Statistics: Num rows: 1522 Data size: 59264 Basic stats: 
COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 1522 Data size: 114524 Basic stats: 
COMPLETE Column stats: PARTIAL
                 Group By Operator
                   aggregations: count(1)
                   keys: _col0 (type: string)
@@ -86,7 +86,7 @@ STAGE PLANS:
               outputColumnNames: _col0
               Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE 
Column stats: NONE
               Union
-                Statistics: Num rows: 1522 Data size: 59264 Basic stats: 
COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 1522 Data size: 114524 Basic stats: 
COMPLETE Column stats: PARTIAL
                 Group By Operator
                   aggregations: count(1)
                   keys: _col0 (type: string)
@@ -101,13 +101,13 @@ STAGE PLANS:
                     value expressions: _col1 (type: bigint)
           TableScan
             alias: src_thrift
-            Statistics: Num rows: 11 Data size: 3070 Basic stats: COMPLETE 
Column stats: NONE
+            Statistics: Num rows: 11 Data size: 30700 Basic stats: COMPLETE 
Column stats: NONE
             Select Operator
               expressions: astring (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 11 Data size: 3070 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 11 Data size: 30700 Basic stats: COMPLETE 
Column stats: NONE
               Union
-                Statistics: Num rows: 1522 Data size: 59264 Basic stats: 
COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 1522 Data size: 114524 Basic stats: 
COMPLETE Column stats: PARTIAL
                 Group By Operator
                   aggregations: count(1)
                   keys: _col0 (type: string)
@@ -122,13 +122,13 @@ STAGE PLANS:
                     value expressions: _col1 (type: bigint)
           TableScan
             alias: src_thrift
-            Statistics: Num rows: 11 Data size: 3070 Basic stats: COMPLETE 
Column stats: NONE
+            Statistics: Num rows: 11 Data size: 30700 Basic stats: COMPLETE 
Column stats: NONE
             Select Operator
               expressions: lstring[0] (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 11 Data size: 3070 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 11 Data size: 30700 Basic stats: COMPLETE 
Column stats: NONE
               Union
-                Statistics: Num rows: 1522 Data size: 59264 Basic stats: 
COMPLETE Column stats: PARTIAL
+                Statistics: Num rows: 1522 Data size: 114524 Basic stats: 
COMPLETE Column stats: PARTIAL
                 Group By Operator
                   aggregations: count(1)
                   keys: _col0 (type: string)

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/union_remove_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_1.q.out 
b/ql/src/test/results/clientpositive/union_remove_1.q.out
index 2e1c7e3..6285d0d 100644
--- a/ql/src/test/results/clientpositive/union_remove_1.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_1.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.mapred.TextInputFormat
                 output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -99,22 +99,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.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_10.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_10.q.out 
b/ql/src/test/results/clientpositive/union_remove_10.q.out
index cc2c234..8b3f4c4 100644
--- a/ql/src/test/results/clientpositive/union_remove_10.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_10.q.out
@@ -65,14 +65,14 @@ 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
@@ -123,22 +123,22 @@ 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
@@ -146,10 +146,10 @@ 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
@@ -161,14 +161,14 @@ 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_11.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_11.q.out 
b/ql/src/test/results/clientpositive/union_remove_11.q.out
index b355afb..98d9f1b 100644
--- a/ql/src/test/results/clientpositive/union_remove_11.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_11.q.out
@@ -63,20 +63,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.hive.ql.io.RCFileInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -84,20 +84,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.hive.ql.io.RCFileInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -105,20 +105,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.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_12.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_12.q.out 
b/ql/src/test/results/clientpositive/union_remove_12.q.out
index c5220f3..534af49 100644
--- a/ql/src/test/results/clientpositive/union_remove_12.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_12.q.out
@@ -59,14 +59,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -122,14 +122,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           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
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -140,14 +140,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: b
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               Select Operator
                 expressions: key (type: string), val (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                 Map Join Operator
                   condition map:
                        Inner Join 0 to 1
@@ -155,14 +155,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  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
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: 
bigint)
                     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
-                      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
                       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_13.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_13.q.out 
b/ql/src/test/results/clientpositive/union_remove_13.q.out
index 0f5fa9a..dddd001 100644
--- a/ql/src/test/results/clientpositive/union_remove_13.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_13.q.out
@@ -59,22 +59,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -82,10 +82,10 @@ 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
@@ -141,14 +141,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           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
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -159,14 +159,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: b
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               Select Operator
                 expressions: key (type: string), val (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                 Map Join Operator
                   condition map:
                        Inner Join 0 to 1
@@ -174,14 +174,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  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
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: 
bigint)
                     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
-                      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
                       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_14.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_14.q.out 
b/ql/src/test/results/clientpositive/union_remove_14.q.out
index c5220f3..534af49 100644
--- a/ql/src/test/results/clientpositive/union_remove_14.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_14.q.out
@@ -59,14 +59,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -122,14 +122,14 @@ STAGE PLANS:
         null-subquery2:$hdt$_0-subquery2:$hdt$_0:a 
           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
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -140,14 +140,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: b
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               Select Operator
                 expressions: key (type: string), val (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                 Map Join Operator
                   condition map:
                        Inner Join 0 to 1
@@ -155,14 +155,14 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0, _col2
-                  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
                   Select Operator
                     expressions: _col0 (type: string), UDFToLong(_col2) (type: 
bigint)
                     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
-                      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
                       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_15.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_15.q.out 
b/ql/src/test/results/clientpositive/union_remove_15.q.out
index 2934c4c..a92507c 100644
--- a/ql/src/test/results/clientpositive/union_remove_15.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_15.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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: _col0 (type: string), _col1 (type: bigint), '1' 
(type: string)
             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.hive.ql.io.RCFileInputFormat
                   output format: 
org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -105,22 +105,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -128,14 +128,14 @@ 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), '2' 
(type: string)
             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.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_16.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_16.q.out 
b/ql/src/test/results/clientpositive/union_remove_16.q.out
index 8be5ddd..e9683a2 100644
--- a/ql/src/test/results/clientpositive/union_remove_16.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_16.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -79,14 +79,14 @@ 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), '1' 
(type: string)
             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.hive.ql.io.RCFileInputFormat
                   output format: 
org.apache.hadoop.hive.ql.io.RCFileOutputFormat
@@ -139,22 +139,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -162,14 +162,14 @@ 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), '2' 
(type: string)
             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.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_17.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_17.q.out 
b/ql/src/test/results/clientpositive/union_remove_17.q.out
index 4d35596..9600a63 100644
--- a/ql/src/test/results/clientpositive/union_remove_17.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_17.q.out
@@ -50,20 +50,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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), '1' (type: 
string)
               outputColumnNames: _col0, _col1, _col2
-              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), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2
-                  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
@@ -71,20 +71,20 @@ 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), '2' (type: 
string)
               outputColumnNames: _col0, _col1, _col2
-              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), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2
-                  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_remove_18.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_18.q.out 
b/ql/src/test/results/clientpositive/union_remove_18.q.out
index 3e181e3..9195eff 100644
--- a/ql/src/test/results/clientpositive/union_remove_18.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_18.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: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             Select Operator
               expressions: key (type: string), ds (type: string)
               outputColumnNames: key, ds
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string), ds (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 
(type: string)
-                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                   value expressions: _col2 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string), KEY._col1 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1, _col2
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col2 (type: bigint), _col1 
(type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -105,22 +105,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             Select Operator
               expressions: key (type: string), ds (type: string)
               outputColumnNames: key, ds
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               Group By Operator
                 aggregations: count()
                 keys: key (type: string), ds (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 
(type: string)
-                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
                   value expressions: _col2 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -128,14 +128,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string), KEY._col1 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1, _col2
-          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+          Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE Column 
stats: NONE
           Select Operator
             expressions: _col0 (type: string), _col2 (type: bigint), _col1 
(type: string)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column 
stats: NONE
+            Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE 
Column stats: NONE
+              Statistics: Num rows: 1 Data size: 300 Basic stats: COMPLETE 
Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/e26b9325/ql/src/test/results/clientpositive/union_remove_19.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_19.q.out 
b/ql/src/test/results/clientpositive/union_remove_19.q.out
index 3e160dc..7412bce 100644
--- a/ql/src/test/results/clientpositive/union_remove_19.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_19.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.mapred.TextInputFormat
                 output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -99,22 +99,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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.mapred.TextInputFormat
                 output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -232,21 +232,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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)
       Reduce Operator Tree:
         Group By Operator
@@ -254,10 +254,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 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
@@ -279,21 +279,21 @@ 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)
       Reduce Operator Tree:
         Group By Operator
@@ -301,10 +301,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 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
@@ -378,21 +378,21 @@ 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)
       Reduce Operator Tree:
         Group By Operator
@@ -400,14 +400,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 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: 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
@@ -429,21 +429,21 @@ 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)
       Reduce Operator Tree:
         Group By Operator
@@ -451,14 +451,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 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: 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_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_2.q.out 
b/ql/src/test/results/clientpositive/union_remove_2.q.out
index 84bd7a1..41e9c75 100644
--- a/ql/src/test/results/clientpositive/union_remove_2.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_2.q.out
@@ -56,22 +56,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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
@@ -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.mapred.TextInputFormat
                     output format: 
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -123,14 +123,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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_20.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_20.q.out 
b/ql/src/test/results/clientpositive/union_remove_20.q.out
index 57a4951..2851616 100644
--- a/ql/src/test/results/clientpositive/union_remove_20.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_20.q.out
@@ -51,22 +51,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 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: _col1 (type: bigint), _col0 (type: string)
             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: _col1 (type: bigint), _col0 (type: string)
             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

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