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Posted to commits@hive.apache.org by kg...@apache.org on 2019/01/23 16:38:51 UTC

[19/51] [partial] hive git commit: HIVE-17084: Turn on hive.stats.fetch.column.stats configuration flag (Zoltan Haindrich reviewed by Ashutosh Chauhan)

http://git-wip-us.apache.org/repos/asf/hive/blob/268a6e5a/ql/src/test/results/clientpositive/groupby5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby5.q.out b/ql/src/test/results/clientpositive/groupby5.q.out
index 7944a8f..f29a1e5 100644
--- a/ql/src/test/results/clientpositive/groupby5.q.out
+++ b/ql/src/test/results/clientpositive/groupby5.q.out
@@ -36,16 +36,16 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), substr(value, 5) (type: string)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: _col0 (type: string)
                 sort order: +
                 Map-reduce partition columns: rand() (type: double)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
                 value expressions: _col1 (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -54,7 +54,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: partial1
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 500 Data size: 47500 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
             table:
@@ -70,7 +70,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 47500 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col1 (type: double)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -79,14 +79,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -95,7 +95,7 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: false
                 table:
@@ -128,7 +128,7 @@ STAGE PLANS:
             Reduce Output Operator
               sort order: 
               Map-reduce partition columns: rand() (type: double)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: key (type: int), value (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -136,7 +136,7 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll'), compute_stats(VALUE._col2, 'hll')
           mode: partial1
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
             table:
@@ -150,7 +150,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -158,10 +158,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby5_map.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby5_map.q.out b/ql/src/test/results/clientpositive/groupby5_map.q.out
index 499986f..b26e6da 100644
--- a/ql/src/test/results/clientpositive/groupby5_map.q.out
+++ b/ql/src/test/results/clientpositive/groupby5_map.q.out
@@ -27,33 +27,33 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(key)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   sort order: 
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
                   value expressions: _col0 (type: double)
       Reduce Operator Tree:
         Group By Operator
           aggregations: sum(VALUE._col0)
           mode: mergepartial
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -62,19 +62,19 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll')
                 mode: complete
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                 Select Operator
                   expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,numdistinctvalues:bigint,ndvbitvector:binary>)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                     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/268a6e5a/ql/src/test/results/clientpositive/groupby5_map_skew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby5_map_skew.q.out b/ql/src/test/results/clientpositive/groupby5_map_skew.q.out
index f5ddd19..69f553c 100644
--- a/ql/src/test/results/clientpositive/groupby5_map_skew.q.out
+++ b/ql/src/test/results/clientpositive/groupby5_map_skew.q.out
@@ -27,33 +27,33 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string)
               outputColumnNames: key
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(key)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   sort order: 
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
                   value expressions: _col0 (type: double)
       Reduce Operator Tree:
         Group By Operator
           aggregations: sum(VALUE._col0)
           mode: final
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int)
             outputColumnNames: _col0
-            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -62,19 +62,19 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int)
               outputColumnNames: key
-              Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll')
                 mode: complete
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                 Select Operator
                   expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,numdistinctvalues:bigint,ndvbitvector:binary>)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 424 Basic stats: COMPLETE Column stats: COMPLETE
                     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/268a6e5a/ql/src/test/results/clientpositive/groupby5_noskew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby5_noskew.q.out b/ql/src/test/results/clientpositive/groupby5_noskew.q.out
index 5cdd89f..64b6b94 100644
--- a/ql/src/test/results/clientpositive/groupby5_noskew.q.out
+++ b/ql/src/test/results/clientpositive/groupby5_noskew.q.out
@@ -34,16 +34,16 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), substr(value, 5) (type: string)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: _col0 (type: string)
                 sort order: +
                 Map-reduce partition columns: _col0 (type: string)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
                 value expressions: _col1 (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -52,14 +52,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -68,7 +68,7 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: false
                 table:
@@ -100,7 +100,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: key (type: int), value (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -108,10 +108,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll'), compute_stats(VALUE._col2, 'hll')
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby6.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby6.q.out b/ql/src/test/results/clientpositive/groupby6.q.out
index 0b58c94..7ecebf6 100644
--- a/ql/src/test/results/clientpositive/groupby6.q.out
+++ b/ql/src/test/results/clientpositive/groupby6.q.out
@@ -32,23 +32,23 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: substr(value, 5, 1) (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: _col0 (type: string)
                 sort order: +
                 Map-reduce partition columns: rand() (type: double)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: partial1
           outputColumnNames: _col0
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 500 Data size: 92000 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
             table:
@@ -64,17 +64,17 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 92000 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: final
           outputColumnNames: _col0
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -83,7 +83,7 @@ STAGE PLANS:
           Select Operator
             expressions: _col0 (type: string)
             outputColumnNames: c1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
               table:
@@ -116,7 +116,7 @@ STAGE PLANS:
             Reduce Output Operator
               sort order: 
               Map-reduce partition columns: rand() (type: double)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: c1 (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -124,7 +124,7 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll')
           mode: partial1
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
             table:
@@ -138,7 +138,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -146,10 +146,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0)
           mode: final
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby6_map.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby6_map.q.out b/ql/src/test/results/clientpositive/groupby6_map.q.out
index a2fee3f..50370db 100644
--- a/ql/src/test/results/clientpositive/groupby6_map.q.out
+++ b/ql/src/test/results/clientpositive/groupby6_map.q.out
@@ -30,31 +30,31 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: substr(value, 5, 1) (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: string)
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -63,12 +63,12 @@ STAGE PLANS:
           Select Operator
             expressions: _col0 (type: string)
             outputColumnNames: c1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
             Group By Operator
               aggregations: compute_stats(c1, 'hll')
               mode: hash
               outputColumnNames: _col0
-              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: false
                 table:
@@ -100,7 +100,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -108,10 +108,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0)
           mode: mergepartial
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby6_map_skew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby6_map_skew.q.out b/ql/src/test/results/clientpositive/groupby6_map_skew.q.out
index 0cac232..a1124b3 100644
--- a/ql/src/test/results/clientpositive/groupby6_map_skew.q.out
+++ b/ql/src/test/results/clientpositive/groupby6_map_skew.q.out
@@ -31,28 +31,28 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: substr(value, 5, 1) (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 keys: _col0 (type: string)
                 mode: hash
                 outputColumnNames: _col0
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: rand() (type: double)
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: partials
           outputColumnNames: _col0
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
             table:
@@ -68,17 +68,17 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: final
           outputColumnNames: _col0
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -87,12 +87,12 @@ STAGE PLANS:
           Select Operator
             expressions: _col0 (type: string)
             outputColumnNames: c1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 46000 Basic stats: COMPLETE Column stats: COMPLETE
             Group By Operator
               aggregations: compute_stats(c1, 'hll')
               mode: hash
               outputColumnNames: _col0
-              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: false
                 table:
@@ -124,7 +124,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -132,10 +132,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0)
           mode: final
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby6_noskew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby6_noskew.q.out b/ql/src/test/results/clientpositive/groupby6_noskew.q.out
index 4504b53..5a68c75 100644
--- a/ql/src/test/results/clientpositive/groupby6_noskew.q.out
+++ b/ql/src/test/results/clientpositive/groupby6_noskew.q.out
@@ -30,26 +30,26 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: substr(value, 5, 1) (type: string)
               outputColumnNames: _col0
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: _col0 (type: string)
                 sort order: +
                 Map-reduce partition columns: _col0 (type: string)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 45500 Basic stats: COMPLETE Column stats: COMPLETE
       Execution mode: vectorized
       Reduce Operator Tree:
         Group By Operator
           keys: KEY._col0 (type: string)
           mode: complete
           outputColumnNames: _col0
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -58,7 +58,7 @@ STAGE PLANS:
           Select Operator
             expressions: _col0 (type: string)
             outputColumnNames: c1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: false
               table:
@@ -90,7 +90,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 307 Data size: 56488 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: c1 (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -98,10 +98,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll')
           mode: complete
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 440 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby7_map.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby7_map.q.out b/ql/src/test/results/clientpositive/groupby7_map.q.out
index 940533c..fe67667 100644
--- a/ql/src/test/results/clientpositive/groupby7_map.q.out
+++ b/ql/src/test/results/clientpositive/groupby7_map.q.out
@@ -46,33 +46,33 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(substr(value, 5))
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: string)
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                   value expressions: _col1 (type: double)
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(substr(value, 5))
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -85,14 +85,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -101,12 +101,12 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -138,7 +138,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -146,10 +146,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -171,7 +171,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col1 (type: double)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -180,14 +180,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -196,12 +196,12 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -225,7 +225,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -233,10 +233,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby7_map_multi_single_reducer.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby7_map_multi_single_reducer.q.out b/ql/src/test/results/clientpositive/groupby7_map_multi_single_reducer.q.out
index 973e408..ee11ebc 100644
--- a/ql/src/test/results/clientpositive/groupby7_map_multi_single_reducer.q.out
+++ b/ql/src/test/results/clientpositive/groupby7_map_multi_single_reducer.q.out
@@ -45,34 +45,34 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: key (type: string)
                 sort order: +
                 Map-reduce partition columns: key (type: string)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
                 value expressions: substr(value, 5) (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
         Forward
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
           Group By Operator
             aggregations: sum(VALUE._col0)
             keys: KEY._col0 (type: string)
             mode: complete
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: true
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -81,12 +81,12 @@ STAGE PLANS:
               Select Operator
                 expressions: _col0 (type: int), _col1 (type: string)
                 outputColumnNames: key, value
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
                 Group By Operator
                   aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                   File Output Operator
                     compressed: true
                     table:
@@ -98,14 +98,14 @@ STAGE PLANS:
             keys: KEY._col0 (type: string)
             mode: complete
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
               outputColumnNames: _col0, _col1
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: true
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
                 table:
                     input format: org.apache.hadoop.mapred.TextInputFormat
                     output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -114,12 +114,12 @@ STAGE PLANS:
               Select Operator
                 expressions: _col0 (type: int), _col1 (type: string)
                 outputColumnNames: key, value
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
                 Group By Operator
                   aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                   mode: hash
                   outputColumnNames: _col0, _col1
-                  Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                   File Output Operator
                     compressed: true
                     table:
@@ -151,7 +151,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -159,10 +159,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -192,7 +192,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -200,10 +200,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby7_map_skew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby7_map_skew.q.out b/ql/src/test/results/clientpositive/groupby7_map_skew.q.out
index 5a6d326..f6339e3 100644
--- a/ql/src/test/results/clientpositive/groupby7_map_skew.q.out
+++ b/ql/src/test/results/clientpositive/groupby7_map_skew.q.out
@@ -48,33 +48,33 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(substr(value, 5))
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: rand() (type: double)
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                   value expressions: _col1 (type: double)
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: sum(substr(value, 5))
                 keys: key (type: string)
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -87,7 +87,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: partials
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
             table:
@@ -103,7 +103,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col1 (type: double)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -112,14 +112,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -128,12 +128,12 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -165,7 +165,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -173,10 +173,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -198,7 +198,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: rand() (type: double)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col1 (type: double)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -207,7 +207,7 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: partials
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
             table:
@@ -223,7 +223,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col1 (type: double)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -232,14 +232,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 250 Data size: 23750 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -248,12 +248,12 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 250 Data size: 47000 Basic stats: COMPLETE Column stats: COMPLETE
               Group By Operator
                 aggregations: compute_stats(key, 'hll'), compute_stats(value, 'hll')
                 mode: hash
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
                 File Output Operator
                   compressed: true
                   table:
@@ -277,7 +277,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 1 Data size: 864 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: _col0 (type: struct<columntype:string,min:bigint,max:bigint,countnulls:bigint,bitvector:binary>), _col1 (type: struct<columntype:string,maxlength:bigint,sumlength:bigint,count:bigint,countnulls:bigint,bitvector:binary>)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -285,10 +285,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0), compute_stats(VALUE._col1)
           mode: final
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             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/268a6e5a/ql/src/test/results/clientpositive/groupby7_noskew.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/groupby7_noskew.q.out b/ql/src/test/results/clientpositive/groupby7_noskew.q.out
index 00895ca..99e24a8 100644
--- a/ql/src/test/results/clientpositive/groupby7_noskew.q.out
+++ b/ql/src/test/results/clientpositive/groupby7_noskew.q.out
@@ -46,21 +46,21 @@ STAGE PLANS:
       Map Operator Tree:
           TableScan
             alias: src
-            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               Reduce Output Operator
                 key expressions: key (type: string)
                 sort order: +
                 Map-reduce partition columns: key (type: string)
-                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
                 value expressions: substr(value, 5) (type: string)
             Select Operator
               expressions: key (type: string), value (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: true
                 table:
@@ -74,14 +74,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -90,7 +90,7 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: true
                 table:
@@ -122,7 +122,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: key (type: int), value (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -130,10 +130,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll'), compute_stats(VALUE._col2, 'hll')
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -155,7 +155,7 @@ STAGE PLANS:
               key expressions: key (type: string)
               sort order: +
               Map-reduce partition columns: key (type: string)
-              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 89000 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: substr(value, 5) (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -164,14 +164,14 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 316 Data size: 30020 Basic stats: COMPLETE Column stats: COMPLETE
           Select Operator
             expressions: UDFToInteger(_col0) (type: int), CAST( _col1 AS STRING) (type: string)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
             File Output Operator
               compressed: true
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -180,7 +180,7 @@ STAGE PLANS:
             Select Operator
               expressions: _col0 (type: int), _col1 (type: string)
               outputColumnNames: key, value
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               File Output Operator
                 compressed: true
                 table:
@@ -204,7 +204,7 @@ STAGE PLANS:
           TableScan
             Reduce Output Operator
               sort order: 
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 316 Data size: 59408 Basic stats: COMPLETE Column stats: COMPLETE
               value expressions: key (type: int), value (type: string)
       Execution mode: vectorized
       Reduce Operator Tree:
@@ -212,10 +212,10 @@ STAGE PLANS:
           aggregations: compute_stats(VALUE._col0, 'hll'), compute_stats(VALUE._col2, 'hll')
           mode: complete
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
           File Output Operator
             compressed: true
-            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 1 Data size: 880 Basic stats: COMPLETE Column stats: COMPLETE
             table:
                 input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat