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Posted to commits@hive.apache.org by jp...@apache.org on 2015/12/15 01:39:51 UTC

[43/51] [partial] hive git commit: HIVE-11110: Reorder applyPreJoinOrderingTransforms, add NotNULL/FilterMerge rules, improve Filter selectivity estimation (Laljo John Pullokkaran reviewed by Jesus Camacho Rodriguez, Ashutosh Chauhan

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/cbo_rp_lineage2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/cbo_rp_lineage2.q.out b/ql/src/test/results/clientpositive/cbo_rp_lineage2.q.out
index 09b981b..b14caa8 100644
--- a/ql/src/test/results/clientpositive/cbo_rp_lineage2.q.out
+++ b/ql/src/test/results/clientpositive/cbo_rp_lineage2.q.out
@@ -523,7 +523,7 @@ PREHOOK: Input: default@src1
 PREHOOK: Input: default@src2
 PREHOOK: Output: database:default
 PREHOOK: Output: default@dest3
-{"version":"1.0","engine":"mr","database":"default","hash":"a2c4e9a3ec678039814f5d84b1e38ce4","queryText":"create table dest3 as\n  select * from src1 JOIN src2 ON src1.key = src2.key2 WHERE length(key) > 1","edges":[{"sources":[4],"targets":[0],"edgeType":"PROJECTION"},{"sources":[5],"targets":[1],"edgeType":"PROJECTION"},{"sources":[6],"targets":[2],"edgeType":"PROJECTION"},{"sources":[7],"targets":[3],"edgeType":"PROJECTION"},{"sources":[4],"targets":[0,1,2,3],"expression":"src1.key is not null","edgeType":"PREDICATE"},{"sources":[4],"targets":[0,1,2,3],"expression":"(length(src1.key) > 1)","edgeType":"PREDICATE"},{"sources":[4,6],"targets":[0,1,2,3],"expression":"(src1.key = src2.key2)","edgeType":"PREDICATE"},{"sources":[6],"targets":[0,1,2,3],"expression":"src2.key2 is not null","edgeType":"PREDICATE"},{"sources":[6],"targets":[0,1,2,3],"expression":"(length(src2.key2) > 1)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.dest3.key"},{"id
 ":1,"vertexType":"COLUMN","vertexId":"default.dest3.value"},{"id":2,"vertexType":"COLUMN","vertexId":"default.dest3.key2"},{"id":3,"vertexType":"COLUMN","vertexId":"default.dest3.value2"},{"id":4,"vertexType":"COLUMN","vertexId":"default.src1.key"},{"id":5,"vertexType":"COLUMN","vertexId":"default.src1.value"},{"id":6,"vertexType":"COLUMN","vertexId":"default.src2.key2"},{"id":7,"vertexType":"COLUMN","vertexId":"default.src2.value2"}]}
+{"version":"1.0","engine":"mr","database":"default","hash":"a2c4e9a3ec678039814f5d84b1e38ce4","queryText":"create table dest3 as\n  select * from src1 JOIN src2 ON src1.key = src2.key2 WHERE length(key) > 1","edges":[{"sources":[4],"targets":[0],"edgeType":"PROJECTION"},{"sources":[5],"targets":[1],"edgeType":"PROJECTION"},{"sources":[6],"targets":[2],"edgeType":"PROJECTION"},{"sources":[7],"targets":[3],"edgeType":"PROJECTION"},{"sources":[4],"targets":[0,1,2,3],"expression":"((length(src1.key) > 1) and src1.key is not null)","edgeType":"PREDICATE"},{"sources":[4,6],"targets":[0,1,2,3],"expression":"(src1.key = src2.key2)","edgeType":"PREDICATE"},{"sources":[6],"targets":[0,1,2,3],"expression":"((length(src2.key2) > 1) and src2.key2 is not null)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.dest3.key"},{"id":1,"vertexType":"COLUMN","vertexId":"default.dest3.value"},{"id":2,"vertexType":"COLUMN","vertexId":"default.dest3.key2"},{"id":3,"vert
 exType":"COLUMN","vertexId":"default.dest3.value2"},{"id":4,"vertexType":"COLUMN","vertexId":"default.src1.key"},{"id":5,"vertexType":"COLUMN","vertexId":"default.src1.value"},{"id":6,"vertexType":"COLUMN","vertexId":"default.src2.key2"},{"id":7,"vertexType":"COLUMN","vertexId":"default.src2.value2"}]}
 PREHOOK: query: insert overwrite table dest2
   select * from src1 JOIN src2 ON src1.key = src2.key2 WHERE length(key) > 3
 PREHOOK: type: QUERY
@@ -593,7 +593,7 @@ PREHOOK: Input: default@dept
 PREHOOK: Input: default@emp
 PREHOOK: Input: default@project
 PREHOOK: Output: default@tgt
-{"version":"1.0","engine":"mr","database":"default","hash":"f59797e0422d2e51515063374dfac361","queryText":"INSERT INTO TABLE tgt\nSELECT emd.dept_name, emd.name, emd.emp_id, emd.mgr_id, p.project_id, p.project_name\nFROM (\n  SELECT d.dept_name, em.name, em.emp_id, em.mgr_id, em.dept_id\n  FROM (\n    SELECT e.name, e.dept_id, e.emp_id emp_id, m.emp_id mgr_id\n    FROM emp e JOIN emp m ON e.emp_id = m.emp_id\n    ) em\n  JOIN dept d ON d.dept_id = em.dept_id\n  ) emd JOIN project p ON emd.dept_id = p.project_id","edges":[{"sources":[6],"targets":[0],"edgeType":"PROJECTION"},{"sources":[7],"targets":[1],"edgeType":"PROJECTION"},{"sources":[8],"targets":[2,3],"edgeType":"PROJECTION"},{"sources":[9],"targets":[4],"edgeType":"PROJECTION"},{"sources":[10],"targets":[5],"edgeType":"PROJECTION"},{"sources":[8],"targets":[0,1,2,3,4,5],"expression":"emd:em:e.emp_id is not null","edgeType":"PREDICATE"},{"sources":[11],"targets":[0,1,2,3,4,5],"expression":"emd:em:e.dept_id is not null","edgeTy
 pe":"PREDICATE"},{"sources":[8],"targets":[0,1,2,3,4,5],"expression":"(emd:em:e.emp_id = emd:em:m.emp_id)","edgeType":"PREDICATE"},{"sources":[8],"targets":[0,1,2,3,4,5],"expression":"emd:em:m.emp_id is not null","edgeType":"PREDICATE"},{"sources":[11,12,9],"targets":[0,1,2,3,4,5],"expression":"(emd:em:e.dept_id = emd:d.dept_id AND emd:em:e.dept_id = p.project_id)","edgeType":"PREDICATE"},{"sources":[12],"targets":[0,1,2,3,4,5],"expression":"emd:d.dept_id is not null","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2,3,4,5],"expression":"p.project_id is not null","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.tgt.dept_name"},{"id":1,"vertexType":"COLUMN","vertexId":"default.tgt.name"},{"id":2,"vertexType":"COLUMN","vertexId":"default.tgt.emp_id"},{"id":3,"vertexType":"COLUMN","vertexId":"default.tgt.mgr_id"},{"id":4,"vertexType":"COLUMN","vertexId":"default.tgt.proj_id"},{"id":5,"vertexType":"COLUMN","vertexId":"default.tgt.proj_name"},{
 "id":6,"vertexType":"COLUMN","vertexId":"default.dept.dept_name"},{"id":7,"vertexType":"COLUMN","vertexId":"default.emp.name"},{"id":8,"vertexType":"COLUMN","vertexId":"default.emp.emp_id"},{"id":9,"vertexType":"COLUMN","vertexId":"default.project.project_id"},{"id":10,"vertexType":"COLUMN","vertexId":"default.project.project_name"},{"id":11,"vertexType":"COLUMN","vertexId":"default.emp.dept_id"},{"id":12,"vertexType":"COLUMN","vertexId":"default.dept.dept_id"}]}
+{"version":"1.0","engine":"mr","database":"default","hash":"f59797e0422d2e51515063374dfac361","queryText":"INSERT INTO TABLE tgt\nSELECT emd.dept_name, emd.name, emd.emp_id, emd.mgr_id, p.project_id, p.project_name\nFROM (\n  SELECT d.dept_name, em.name, em.emp_id, em.mgr_id, em.dept_id\n  FROM (\n    SELECT e.name, e.dept_id, e.emp_id emp_id, m.emp_id mgr_id\n    FROM emp e JOIN emp m ON e.emp_id = m.emp_id\n    ) em\n  JOIN dept d ON d.dept_id = em.dept_id\n  ) emd JOIN project p ON emd.dept_id = p.project_id","edges":[{"sources":[6],"targets":[0],"edgeType":"PROJECTION"},{"sources":[7],"targets":[1],"edgeType":"PROJECTION"},{"sources":[8],"targets":[2,3],"edgeType":"PROJECTION"},{"sources":[9],"targets":[4],"edgeType":"PROJECTION"},{"sources":[10],"targets":[5],"edgeType":"PROJECTION"},{"sources":[8,11],"targets":[0,1,2,3,4,5],"expression":"(emd:em:e.emp_id is not null and emd:em:e.dept_id is not null)","edgeType":"PREDICATE"},{"sources":[8],"targets":[0,1,2,3,4,5],"expression":"
 (emd:em:e.emp_id = emd:em:m.emp_id)","edgeType":"PREDICATE"},{"sources":[8],"targets":[0,1,2,3,4,5],"expression":"emd:em:m.emp_id is not null","edgeType":"PREDICATE"},{"sources":[11,12,9],"targets":[0,1,2,3,4,5],"expression":"(emd:em:e.dept_id = emd:d.dept_id AND emd:em:e.dept_id = p.project_id)","edgeType":"PREDICATE"},{"sources":[12],"targets":[0,1,2,3,4,5],"expression":"emd:d.dept_id is not null","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2,3,4,5],"expression":"p.project_id is not null","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.tgt.dept_name"},{"id":1,"vertexType":"COLUMN","vertexId":"default.tgt.name"},{"id":2,"vertexType":"COLUMN","vertexId":"default.tgt.emp_id"},{"id":3,"vertexType":"COLUMN","vertexId":"default.tgt.mgr_id"},{"id":4,"vertexType":"COLUMN","vertexId":"default.tgt.proj_id"},{"id":5,"vertexType":"COLUMN","vertexId":"default.tgt.proj_name"},{"id":6,"vertexType":"COLUMN","vertexId":"default.dept.dept_name"},{"id
 ":7,"vertexType":"COLUMN","vertexId":"default.emp.name"},{"id":8,"vertexType":"COLUMN","vertexId":"default.emp.emp_id"},{"id":9,"vertexType":"COLUMN","vertexId":"default.project.project_id"},{"id":10,"vertexType":"COLUMN","vertexId":"default.project.project_name"},{"id":11,"vertexType":"COLUMN","vertexId":"default.emp.dept_id"},{"id":12,"vertexType":"COLUMN","vertexId":"default.dept.dept_id"}]}
 PREHOOK: query: drop table if exists dest_l2
 PREHOOK: type: DROPTABLE
 PREHOOK: query: create table dest_l2 (id int, c1 tinyint, c2 int, c3 bigint) stored as textfile
@@ -646,7 +646,7 @@ PREHOOK: type: QUERY
 PREHOOK: Input: default@dest_l2
 PREHOOK: Input: default@dest_l3
 #### A masked pattern was here ####
-{"version":"1.0","engine":"mr","database":"default","hash":"01879c619517509d9f5b6ead998bb4bb","queryText":"select sum(a.c1), count(b.c1), b.c2, b.c3\nfrom dest_l2 a join dest_l3 b on (a.id = b.id)\nwhere a.c2 != 10 and b.c3 > 0\ngroup by a.c1, a.c2, a.id, b.c1, b.c2, b.c3\nhaving count(a.c2) > 0\norder by b.c3 limit 5","edges":[{"sources":[4],"targets":[0],"expression":"sum(default.dest_l2.c1)","edgeType":"PROJECTION"},{"sources":[5],"targets":[1],"expression":"count(default.dest_l3.c1)","edgeType":"PROJECTION"},{"sources":[6],"targets":[2],"edgeType":"PROJECTION"},{"sources":[7],"targets":[3],"edgeType":"PROJECTION"},{"sources":[8],"targets":[0,1,2,3],"expression":"a.id is not null","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2,3],"expression":"(a.c2 <> 10)","edgeType":"PREDICATE"},{"sources":[8,10],"targets":[0,1,2,3],"expression":"(a.id = b.id)","edgeType":"PREDICATE"},{"sources":[10],"targets":[0,1,2,3],"expression":"b.id is not null","edgeType":"PREDICATE"},{"sources"
 :[7],"targets":[0,1,2,3],"expression":"(b.c3 > 0)","edgeType":"PREDICATE"},{"sources":[9],"targets":[0,1,2,3],"expression":"(count(default.dest_l2.c2) > 0)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"_c0"},{"id":1,"vertexType":"COLUMN","vertexId":"_c1"},{"id":2,"vertexType":"COLUMN","vertexId":"b.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"b.c3"},{"id":4,"vertexType":"COLUMN","vertexId":"default.dest_l2.c1"},{"id":5,"vertexType":"COLUMN","vertexId":"default.dest_l3.c1"},{"id":6,"vertexType":"COLUMN","vertexId":"default.dest_l3.c2"},{"id":7,"vertexType":"COLUMN","vertexId":"default.dest_l3.c3"},{"id":8,"vertexType":"COLUMN","vertexId":"default.dest_l2.id"},{"id":9,"vertexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":10,"vertexType":"COLUMN","vertexId":"default.dest_l3.id"}]}
+{"version":"1.0","engine":"mr","database":"default","hash":"01879c619517509d9f5b6ead998bb4bb","queryText":"select sum(a.c1), count(b.c1), b.c2, b.c3\nfrom dest_l2 a join dest_l3 b on (a.id = b.id)\nwhere a.c2 != 10 and b.c3 > 0\ngroup by a.c1, a.c2, a.id, b.c1, b.c2, b.c3\nhaving count(a.c2) > 0\norder by b.c3 limit 5","edges":[{"sources":[4],"targets":[0],"expression":"sum(default.dest_l2.c1)","edgeType":"PROJECTION"},{"sources":[5],"targets":[1],"expression":"count(default.dest_l3.c1)","edgeType":"PROJECTION"},{"sources":[6],"targets":[2],"edgeType":"PROJECTION"},{"sources":[7],"targets":[3],"edgeType":"PROJECTION"},{"sources":[8,9],"targets":[0,1,2,3],"expression":"((a.c2 <> 10) and a.id is not null)","edgeType":"PREDICATE"},{"sources":[9,10],"targets":[0,1,2,3],"expression":"(a.id = b.id)","edgeType":"PREDICATE"},{"sources":[7,10],"targets":[0,1,2,3],"expression":"((b.c3 > 0) and b.id is not null)","edgeType":"PREDICATE"},{"sources":[8],"targets":[0,1,2,3],"expression":"(count(d
 efault.dest_l2.c2) > 0)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"_c0"},{"id":1,"vertexType":"COLUMN","vertexId":"_c1"},{"id":2,"vertexType":"COLUMN","vertexId":"b.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"b.c3"},{"id":4,"vertexType":"COLUMN","vertexId":"default.dest_l2.c1"},{"id":5,"vertexType":"COLUMN","vertexId":"default.dest_l3.c1"},{"id":6,"vertexType":"COLUMN","vertexId":"default.dest_l3.c2"},{"id":7,"vertexType":"COLUMN","vertexId":"default.dest_l3.c3"},{"id":8,"vertexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":9,"vertexType":"COLUMN","vertexId":"default.dest_l2.id"},{"id":10,"vertexType":"COLUMN","vertexId":"default.dest_l3.id"}]}
 1	1	s2	15
 PREHOOK: query: drop table if exists t
 PREHOOK: type: DROPTABLE
@@ -659,7 +659,7 @@ PREHOOK: Input: default@dest_l2
 PREHOOK: Input: default@dest_l3
 PREHOOK: Output: database:default
 PREHOOK: Output: default@t
-{"version":"1.0","engine":"mr","database":"default","hash":"0d2f15b494111ffe236d5be42a76fa28","queryText":"create table t as\nselect distinct a.c2, a.c3 from dest_l2 a\ninner join dest_l3 b on (a.id = b.id)\nwhere a.id > 0 and b.c3 = 15","edges":[{"sources":[2],"targets":[0],"edgeType":"PROJECTION"},{"sources":[3],"targets":[1],"edgeType":"PROJECTION"},{"sources":[4],"targets":[0,1],"expression":"a.id is not null","edgeType":"PREDICATE"},{"sources":[4],"targets":[0,1],"expression":"(a.id > 0)","edgeType":"PREDICATE"},{"sources":[4,5],"targets":[0,1],"expression":"(a.id = b.id)","edgeType":"PREDICATE"},{"sources":[5],"targets":[0,1],"expression":"b.id is not null","edgeType":"PREDICATE"},{"sources":[6],"targets":[0,1],"expression":"(b.c3 = 15)","edgeType":"PREDICATE"},{"sources":[5],"targets":[0,1],"expression":"(b.id > 0)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.t.c2"},{"id":1,"vertexType":"COLUMN","vertexId":"default.t.c3"},{"id":2,"ve
 rtexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"default.dest_l2.c3"},{"id":4,"vertexType":"COLUMN","vertexId":"default.dest_l2.id"},{"id":5,"vertexType":"COLUMN","vertexId":"default.dest_l3.id"},{"id":6,"vertexType":"COLUMN","vertexId":"default.dest_l3.c3"}]}
+{"version":"1.0","engine":"mr","database":"default","hash":"0d2f15b494111ffe236d5be42a76fa28","queryText":"create table t as\nselect distinct a.c2, a.c3 from dest_l2 a\ninner join dest_l3 b on (a.id = b.id)\nwhere a.id > 0 and b.c3 = 15","edges":[{"sources":[2],"targets":[0],"edgeType":"PROJECTION"},{"sources":[3],"targets":[1],"edgeType":"PROJECTION"},{"sources":[4],"targets":[0,1],"expression":"((a.id > 0) and a.id is not null)","edgeType":"PREDICATE"},{"sources":[4,5],"targets":[0,1],"expression":"(a.id = b.id)","edgeType":"PREDICATE"},{"sources":[6,5],"targets":[0,1],"expression":"((b.c3 = 15) and (b.id > 0) and b.id is not null)","edgeType":"PREDICATE"}],"vertices":[{"id":0,"vertexType":"COLUMN","vertexId":"default.t.c2"},{"id":1,"vertexType":"COLUMN","vertexId":"default.t.c3"},{"id":2,"vertexType":"COLUMN","vertexId":"default.dest_l2.c2"},{"id":3,"vertexType":"COLUMN","vertexId":"default.dest_l2.c3"},{"id":4,"vertexType":"COLUMN","vertexId":"default.dest_l2.id"},{"id":5,"verte
 xType":"COLUMN","vertexId":"default.dest_l3.id"},{"id":6,"vertexType":"COLUMN","vertexId":"default.dest_l3.c3"}]}
 PREHOOK: query: SELECT substr(src1.key,1,1), count(DISTINCT substr(src1.value,5)),
 concat(substr(src1.key,1,1),sum(substr(src1.value,5)))
 from src1

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/cbo_udf_max.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/cbo_udf_max.q.out b/ql/src/test/results/clientpositive/cbo_udf_max.q.out
index 410cf31..aa36489 100644
--- a/ql/src/test/results/clientpositive/cbo_udf_max.q.out
+++ b/ql/src/test/results/clientpositive/cbo_udf_max.q.out
@@ -20,7 +20,7 @@ FROM src
 POSTHOOK: type: QUERY
 POSTHOOK: Input: default@src
 #### A masked pattern was here ####
-{"expr$0":498,"expr$1":"val_498"}	{"expr$0":498,"expr$1":"val_498"}
+{"expr$0":498,"expr$1":"val_498"}	{"expr$0":"98","expr$1":"val_98"}
 PREHOOK: query: SELECT max(struct(CAST(key as INT), value)),
        max(struct(key, value))
 FROM src
@@ -46,7 +46,7 @@ FROM src
 POSTHOOK: type: QUERY
 POSTHOOK: Input: default@src
 #### A masked pattern was here ####
-{"expr$0":498,"expr$1":"val_498"}	{"expr$0":498,"expr$1":"val_498"}
+{"expr$0":498,"expr$1":"val_498"}	{"expr$0":"98","expr$1":"val_98"}
 PREHOOK: query: SELECT max(struct(CAST(key as INT), value)),
        max(struct(key, value))
 FROM src

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/column_access_stats.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/column_access_stats.q.out b/ql/src/test/results/clientpositive/column_access_stats.q.out
index c713c34..7f9a894 100644
--- a/ql/src/test/results/clientpositive/column_access_stats.q.out
+++ b/ql/src/test/results/clientpositive/column_access_stats.q.out
@@ -389,16 +389,16 @@ STAGE PLANS:
             Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 5 Data size: 15 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: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -407,10 +407,10 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 5 Data size: 16 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 5 Data size: 16 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -508,16 +508,16 @@ STAGE PLANS:
             Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((UDFToDouble(val) = 3.0) and key is not null) (type: boolean)
-              Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: string)
-                  Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -526,14 +526,14 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0, _col2
-          Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col0 (type: string), '3' (type: string), _col2 (type: string), '3' (type: string)
             outputColumnNames: _col0, _col1, _col2, _col3
-            Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
               table:
                   input format: org.apache.hadoop.mapred.TextInputFormat
                   output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -598,16 +598,16 @@ STAGE PLANS:
             Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((UDFToDouble(key) = 6.0) and val is not null) (type: boolean)
-              Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: val (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string)
                   sort order: +
                   Map-reduce partition columns: _col0 (type: string)
-                  Statistics: Num rows: 1 Data size: 3 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -616,10 +616,10 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 1 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 2 Data size: 6 Basic stats: COMPLETE Column stats: NONE
             table:
                 input format: org.apache.hadoop.mapred.TextInputFormat
                 output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -699,16 +699,16 @@ STAGE PLANS:
             Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 5 Data size: 15 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: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 5 Data size: 15 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -717,7 +717,7 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 5 Data size: 16 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
             table:
@@ -733,22 +733,22 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 5 Data size: 16 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: t3
             Statistics: Num rows: 5 Data size: 30 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 3 Data size: 18 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 5 Data size: 30 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), val (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 3 Data size: 18 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 5 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: 3 Data size: 18 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 5 Data size: 30 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: string)
       Reduce Operator Tree:
         Join Operator
@@ -758,10 +758,10 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0, _col1, _col2
-          Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 5 Data size: 17 Basic stats: COMPLETE Column stats: NONE
           File Output Operator
             compressed: false
-            Statistics: Num rows: 3 Data size: 9 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 5 Data size: 17 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/d8ee05ae/ql/src/test/results/clientpositive/constprog_partitioner.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/constprog_partitioner.q.out b/ql/src/test/results/clientpositive/constprog_partitioner.q.out
index 9bf47c2..08c0aeb 100644
--- a/ql/src/test/results/clientpositive/constprog_partitioner.q.out
+++ b/ql/src/test/results/clientpositive/constprog_partitioner.q.out
@@ -109,53 +109,53 @@ STAGE PLANS:
             Statistics: Num rows: 100 Data size: 11999 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: ((l_linenumber = 1) and l_orderkey is not null) (type: boolean)
-              Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
               Select Operator
-                expressions: l_orderkey (type: int), l_partkey (type: int), l_suppkey (type: int)
-                outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
+                expressions: l_orderkey (type: int), l_partkey (type: int), l_suppkey (type: int), 1 (type: int)
+                outputColumnNames: _col0, _col1, _col2, _col3
+                Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
-                  key expressions: _col0 (type: int)
-                  sort order: +
-                  Map-reduce partition columns: _col0 (type: int)
-                  Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
+                  key expressions: _col0 (type: int), _col3 (type: int)
+                  sort order: ++
+                  Map-reduce partition columns: _col0 (type: int), _col3 (type: int)
+                  Statistics: Num rows: 50 Data size: 5999 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: int), _col2 (type: int)
           TableScan
             alias: li
             Statistics: Num rows: 100 Data size: 11999 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: (((l_shipmode = 'AIR') and (l_linenumber = 1)) and l_orderkey is not null) (type: boolean)
-              Statistics: Num rows: 13 Data size: 1559 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: l_orderkey (type: int)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 1559 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
-                  keys: _col0 (type: int)
+                  keys: _col0 (type: int), 1 (type: int)
                   mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 13 Data size: 1559 Basic stats: COMPLETE Column stats: NONE
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
                   Reduce Output Operator
-                    key expressions: _col0 (type: int)
-                    sort order: +
-                    Map-reduce partition columns: _col0 (type: int)
-                    Statistics: Num rows: 13 Data size: 1559 Basic stats: COMPLETE Column stats: NONE
+                    key expressions: _col0 (type: int), _col1 (type: int)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: int), _col1 (type: int)
+                    Statistics: Num rows: 25 Data size: 2999 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
                Left Semi Join 0 to 1
           keys:
-            0 _col0 (type: int)
-            1 _col0 (type: int)
+            0 _col0 (type: int), _col3 (type: int)
+            1 _col0 (type: int), _col1 (type: int)
           outputColumnNames: _col1, _col2
-          Statistics: Num rows: 27 Data size: 3298 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 55 Data size: 6598 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: _col1 (type: int), _col2 (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 27 Data size: 3298 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 55 Data size: 6598 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
-              Statistics: Num rows: 27 Data size: 3298 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 55 Data size: 6598 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/d8ee05ae/ql/src/test/results/clientpositive/correlationoptimizer1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/correlationoptimizer1.q.out b/ql/src/test/results/clientpositive/correlationoptimizer1.q.out
index 4a09600..38764d6 100644
--- a/ql/src/test/results/clientpositive/correlationoptimizer1.q.out
+++ b/ql/src/test/results/clientpositive/correlationoptimizer1.q.out
@@ -35,31 +35,31 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -68,13 +68,13 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -90,7 +90,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -98,11 +98,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1)
               mode: hash
@@ -186,34 +186,34 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Demux Operator
-          Statistics: Num rows: 263 Data size: 2755 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 525 Data size: 5503 Basic stats: COMPLETE Column stats: NONE
           Join Operator
             condition map:
                  Inner Join 0 to 1
@@ -331,11 +331,11 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
                 HashTable Sink Operator
                   keys:
                     0 _col0 (type: string)
@@ -349,11 +349,11 @@ STAGE PLANS:
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Map Join Operator
                   condition map:
                        Inner Join 0 to 1
@@ -361,18 +361,18 @@ STAGE PLANS:
                     0 _col0 (type: string)
                     1 _col0 (type: string)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: count(1)
                     keys: _col0 (type: string)
                     mode: hash
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 550 Data size: 5843 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: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
                       value expressions: _col1 (type: bigint)
       Local Work:
         Map Reduce Local Work
@@ -382,11 +382,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1)
               mode: hash
@@ -477,36 +477,36 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
                   keys: _col0 (type: string)
                   mode: hash
                   outputColumnNames: _col0
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -515,13 +515,13 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -537,7 +537,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -545,11 +545,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1)
               mode: hash
@@ -633,39 +633,39 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Group By Operator
                   keys: _col0 (type: string)
                   mode: hash
                   outputColumnNames: _col0
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Demux Operator
-          Statistics: Num rows: 263 Data size: 2755 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 525 Data size: 5503 Basic stats: COMPLETE Column stats: NONE
           Join Operator
             condition map:
                  Left Semi Join 0 to 1
@@ -2504,32 +2504,32 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: string)
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -2538,13 +2538,13 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string), _col1 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -2560,7 +2560,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string), _col1 (type: string)
               sort order: ++
               Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col2 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -2568,11 +2568,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string), KEY._col1 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1, _col2
-          Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int), hash(_col2) (type: int)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1), sum(_col2)
               mode: hash
@@ -2657,32 +2657,32 @@ STAGE PLANS:
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 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: 13 Data size: 99 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
                   value expressions: _col1 (type: string)
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
               predicate: key is not null (type: boolean)
-              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string)
                 outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -2691,13 +2691,13 @@ STAGE PLANS:
             0 _col0 (type: string)
             1 _col0 (type: string)
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string), _col1 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -2713,7 +2713,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string), _col1 (type: string)
               sort order: ++
               Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col2 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -2721,11 +2721,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string), KEY._col1 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1, _col2
-          Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int), hash(_col2) (type: int)
             outputColumnNames: _col0, _col1, _col2
-            Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1), sum(_col2)
               mode: hash
@@ -2811,32 +2811,32 @@ STAGE PLANS:
             alias: x
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
-              predicate: (key is not null and value is not null) (type: boolean)
-              Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+              predicate: (value is not null and key is not null) (type: boolean)
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-                  Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
-              predicate: (key is not null and value is not null) (type: boolean)
-              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              predicate: (value is not null and key is not null) (type: boolean)
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-                  Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -2845,13 +2845,13 @@ STAGE PLANS:
             0 _col0 (type: string), _col1 (type: string)
             1 _col0 (type: string), _col1 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -2867,7 +2867,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -2875,11 +2875,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1)
               mode: hash
@@ -2963,32 +2963,32 @@ STAGE PLANS:
             alias: x
             Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
-              predicate: (key is not null and value is not null) (type: boolean)
-              Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+              predicate: (value is not null and key is not null) (type: boolean)
+              Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-                  Statistics: Num rows: 7 Data size: 53 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
           TableScan
             alias: y
             Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
             Filter Operator
-              predicate: (key is not null and value is not null) (type: boolean)
-              Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+              predicate: (value is not null and key is not null) (type: boolean)
+              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
               Select Operator
                 expressions: key (type: string), value (type: string)
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                 Reduce Output Operator
                   key expressions: _col0 (type: string), _col1 (type: string)
                   sort order: ++
                   Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
-                  Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
       Reduce Operator Tree:
         Join Operator
           condition map:
@@ -2997,13 +2997,13 @@ STAGE PLANS:
             0 _col0 (type: string), _col1 (type: string)
             1 _col0 (type: string), _col1 (type: string)
           outputColumnNames: _col0
-          Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
           Group By Operator
             aggregations: count(1)
             keys: _col0 (type: string)
             mode: hash
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
             File Output Operator
               compressed: false
               table:
@@ -3019,7 +3019,7 @@ STAGE PLANS:
               key expressions: _col0 (type: string)
               sort order: +
               Map-reduce partition columns: _col0 (type: string)
-              Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+              Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
               value expressions: _col1 (type: bigint)
       Reduce Operator Tree:
         Group By Operator
@@ -3027,11 +3027,11 @@ STAGE PLANS:
           keys: KEY._col0 (type: string)
           mode: mergepartial
           outputColumnNames: _col0, _col1
-          Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
           Select Operator
             expressions: hash(_col0) (type: int), hash(_col1) (type: int)
             outputColumnNames: _col0, _col1
-            Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+            Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
             Group By Operator
               aggregations: sum(_col0), sum(_col1)
               mode: hash