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Posted to commits@hive.apache.org by xu...@apache.org on 2015/05/29 06:46:41 UTC

[02/84] [abbrv] hive git commit: HIVE-8769 : Physical optimizer : Incorrect CE results in a shuffle join instead of a Map join (PK/FK pattern not detected) (Pengcheng Xiong via Ashutosh Chauhan)

http://git-wip-us.apache.org/repos/asf/hive/blob/d823fc80/ql/src/test/results/clientpositive/union_remove_3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_3.q.out b/ql/src/test/results/clientpositive/union_remove_3.q.out
index 0de46d0..40e554a 100644
--- a/ql/src/test/results/clientpositive/union_remove_3.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_3.q.out
@@ -76,20 +76,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Union
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+                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
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                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -97,20 +97,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                     table:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -118,20 +118,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 3 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Union
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+                Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 3 Data size: 90 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 0 Data size: 90 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 3 Data size: 90 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/d823fc80/ql/src/test/results/clientpositive/union_remove_4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_4.q.out b/ql/src/test/results/clientpositive/union_remove_4.q.out
index b83a0a8..10a8e89 100644
--- a/ql/src/test/results/clientpositive/union_remove_4.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_4.q.out
@@ -76,22 +76,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
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                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -99,10 +99,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             table:
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                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -163,22 +163,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
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                   sort order: +
                   Map-reduce partition columns: _col0 (type: string)
-                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -186,10 +186,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 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/d823fc80/ql/src/test/results/clientpositive/union_remove_5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_5.q.out b/ql/src/test/results/clientpositive/union_remove_5.q.out
index 81e64b4..b59d6da 100644
--- a/ql/src/test/results/clientpositive/union_remove_5.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_5.q.out
@@ -85,22 +85,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
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         Group By Operator
@@ -108,10 +108,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -172,14 +172,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -191,14 +191,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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/d823fc80/ql/src/test/results/clientpositive/union_remove_6.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_6.q.out b/ql/src/test/results/clientpositive/union_remove_6.q.out
index 215e90e..67ba74c 100644
--- a/ql/src/test/results/clientpositive/union_remove_6.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_6.q.out
@@ -75,22 +75,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -98,7 +98,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:
@@ -111,10 +111,10 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             Union
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -122,7 +122,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -130,10 +130,10 @@ STAGE PLANS:
                     name: default.outputtbl2
           TableScan
             Union
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -141,7 +141,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -173,22 +173,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -196,7 +196,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:

http://git-wip-us.apache.org/repos/asf/hive/blob/d823fc80/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_6_subq.q.out b/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
index 2661bcb..0d1a436 100644
--- a/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_6_subq.q.out
@@ -83,22 +83,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -106,7 +106,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:
@@ -119,10 +119,10 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             Union
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -130,7 +130,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -138,10 +138,10 @@ STAGE PLANS:
                     name: default.outputtbl2
           TableScan
             Union
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -149,7 +149,7 @@ STAGE PLANS:
                     name: default.outputtbl1
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -181,22 +181,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -204,7 +204,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:

http://git-wip-us.apache.org/repos/asf/hive/blob/d823fc80/ql/src/test/results/clientpositive/union_remove_7.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_7.q.out b/ql/src/test/results/clientpositive/union_remove_7.q.out
index 4feb092..76c678f 100644
--- a/ql/src/test/results/clientpositive/union_remove_7.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_7.q.out
@@ -75,22 +75,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -98,10 +98,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 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/d823fc80/ql/src/test/results/clientpositive/union_remove_8.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_8.q.out b/ql/src/test/results/clientpositive/union_remove_8.q.out
index 5d22aa5..fe67448 100644
--- a/ql/src/test/results/clientpositive/union_remove_8.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_8.q.out
@@ -82,22 +82,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -105,10 +105,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 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
@@ -130,14 +130,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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
@@ -149,14 +149,14 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: bigint)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               File Output Operator
                 compressed: false
-                Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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/d823fc80/ql/src/test/results/clientpositive/union_remove_9.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_remove_9.q.out b/ql/src/test/results/clientpositive/union_remove_9.q.out
index 7380d12..684091b 100644
--- a/ql/src/test/results/clientpositive/union_remove_9.q.out
+++ b/ql/src/test/results/clientpositive/union_remove_9.q.out
@@ -88,22 +88,22 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Group By Operator
                 aggregations: count(1)
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 30 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: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -111,10 +111,10 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 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
@@ -165,20 +165,20 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 1 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 2 Data size: 60 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
@@ -186,20 +186,20 @@ STAGE PLANS:
                         name: default.outputtbl1
           TableScan
             alias: inputtbl1
-            Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: key (type: string), 2 (type: int)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), UDFToLong(_col1) (type: bigint)
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 60 Basic stats: COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 0 Data size: 60 Basic stats: PARTIAL Column stats: NONE
+                    Statistics: Num rows: 2 Data size: 60 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/d823fc80/ql/src/test/results/clientpositive/union_view.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/union_view.q.out b/ql/src/test/results/clientpositive/union_view.q.out
index 9181e9b..66ca51b 100644
--- a/ql/src/test/results/clientpositive/union_view.q.out
+++ b/ql/src/test/results/clientpositive/union_view.q.out
@@ -361,14 +361,14 @@ STAGE PLANS:
                 outputColumnNames: _col1
                 Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -376,23 +376,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '1')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -400,23 +400,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_3
             filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '1')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -465,23 +465,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '2')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -498,14 +498,14 @@ STAGE PLANS:
                 outputColumnNames: _col1
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -513,23 +513,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_3
             filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '2')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -578,23 +578,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '3')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -602,23 +602,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '3')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -635,14 +635,14 @@ STAGE PLANS:
                 outputColumnNames: _col1
                 Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -874,9 +874,9 @@ STAGE PLANS:
             Select Operator
               Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     mode: hash
@@ -889,16 +889,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: (ds = '1') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '1') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -911,16 +911,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_3
             filterExpr: (ds = '1') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '1') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -985,16 +985,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: (ds = '2') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '2') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1011,9 +1011,9 @@ STAGE PLANS:
             Select Operator
               Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     mode: hash
@@ -1026,16 +1026,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_3
             filterExpr: (ds = '2') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '2') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1100,16 +1100,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: (ds = '3') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '3') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1122,16 +1122,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: (ds = '3') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '3') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1148,9 +1148,9 @@ STAGE PLANS:
             Select Operator
               Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     mode: hash
@@ -1220,23 +1220,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: ((key = 86) and (ds = '4')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '4')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1244,23 +1244,23 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: ((key = 86) and (ds = '4')) (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: ((key = 86) and (ds = '4')) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
                 expressions: value (type: string)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1277,14 +1277,14 @@ STAGE PLANS:
                 outputColumnNames: _col1
                 Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                 Union
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
                     expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
                     outputColumnNames: _col0, _col1, _col2
-                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                       table:
                           input format: org.apache.hadoop.mapred.TextInputFormat
                           output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1332,16 +1332,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_1
             filterExpr: (ds = '4') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '4') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1354,16 +1354,16 @@ STAGE PLANS:
           TableScan
             alias: src_union_2
             filterExpr: (ds = '4') (type: boolean)
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
             Filter Operator
               predicate: (ds = '4') (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
               Select Operator
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                 Union
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Select Operator
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                     Group By Operator
                       aggregations: count(1)
                       mode: hash
@@ -1380,9 +1380,9 @@ STAGE PLANS:
             Select Operator
               Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Union
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Select Operator
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     mode: hash

http://git-wip-us.apache.org/repos/asf/hive/blob/d823fc80/ql/src/test/results/clientpositive/vector_bucket.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/vector_bucket.q.out b/ql/src/test/results/clientpositive/vector_bucket.q.out
index 1ac37a7..7a6a4da 100644
--- a/ql/src/test/results/clientpositive/vector_bucket.q.out
+++ b/ql/src/test/results/clientpositive/vector_bucket.q.out
@@ -23,24 +23,24 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: values__tmp__table__1
-            Statistics: Num rows: 0 Data size: 26 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 26 Basic stats: COMPLETE Column stats: NONE
             Select Operator
               expressions: tmp_values_col1 (type: string), tmp_values_col2 (type: string)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 0 Data size: 26 Basic stats: PARTIAL Column stats: NONE
+              Statistics: Num rows: 1 Data size: 26 Basic stats: COMPLETE Column stats: NONE
               Reduce Output Operator
                 sort order: 
                 Map-reduce partition columns: UDFToInteger(_col0) (type: int)
-                Statistics: Num rows: 0 Data size: 26 Basic stats: PARTIAL Column stats: NONE
+                Statistics: Num rows: 1 Data size: 26 Basic stats: COMPLETE Column stats: NONE
                 value expressions: _col0 (type: string), _col1 (type: string)
       Reduce Operator Tree:
         Select Operator
           expressions: UDFToInteger(VALUE._col0) (type: int), VALUE._col1 (type: string)
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 26 Basic stats: PARTIAL Column stats: NONE
+          Statistics: Num rows: 1 Data size: 26 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 26 Basic stats: PARTIAL Column stats: NONE
+            Statistics: Num rows: 1 Data size: 26 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d823fc80/ql/src/test/results/clientpositive/vector_date_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/vector_date_1.q.out b/ql/src/test/results/clientpositive/vector_date_1.q.out
index 5ed7424..7195b12 100644
--- a/ql/src/test/results/clientpositive/vector_date_1.q.out
+++ b/ql/src/test/results/clientpositive/vector_date_1.q.out
@@ -497,25 +497,25 @@ STAGE PLANS:
             Statistics: Num rows: 3 Data size: 224 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((((((dt1 = dt1) and (dt1 <> dt2)) and (dt1 < dt2)) and (dt1 <= dt2)) and (dt2 > dt1)) and (dt2 >= dt1)) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: dt1 (type: date), dt2 (type: date)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: date)
                   sort order: +
-                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: date)
       Execution mode: vectorized
       Reduce Operator Tree:
         Select Operator
           expressions: KEY.reducesinkkey0 (type: date), VALUE._col0 (type: date)
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -604,25 +604,25 @@ STAGE PLANS:
             Statistics: Num rows: 3 Data size: 224 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((((((((dt1 = 2001-01-01) and (2001-01-01 = dt1)) and (dt1 <> 1970-01-01)) and (1970-01-01 <> dt1)) and (dt1 > 1970-01-01)) and (dt1 >= 1970-01-01)) and (1970-01-01 < dt1)) and (1970-01-01 <= dt1)) (type: boolean)
-              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: dt2 (type: date)
                 outputColumnNames: _col1
-                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: 2001-01-01 (type: date)
                   sort order: +
-                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: date)
       Execution mode: vectorized
       Reduce Operator Tree:
         Select Operator
           expressions: 2001-01-01 (type: date), VALUE._col0 (type: date)
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 74 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat