FAQ
http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/correlationoptimizer6.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/correlationoptimizer6.q.out b/ql/src/test/results/clientpositive/correlationoptimizer6.q.out
index 2d72250..eba67bd 100644
--- a/ql/src/test/results/clientpositive/correlationoptimizer6.q.out
+++ b/ql/src/test/results/clientpositive/correlationoptimizer6.q.out
@@ -41,31 +41,31 @@ 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: x
              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
        Reduce Operator Tree:
          Join Operator
            condition map:
@@ -74,13 +74,13 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
            Group By Operator
              aggregations: count(1)
              keys: _col0 (type: string)
              mode: hash
              outputColumnNames: _col0, _col1
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
              File Output Operator
                compressed: false
                table:
@@ -96,7 +96,7 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Group By Operator
@@ -104,7 +104,7 @@ STAGE PLANS:
            keys: KEY._col0 (type: string)
            mode: mergepartial
            outputColumnNames: _col0, _col1
- Statistics: Num rows: 7 Data size: 54 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 13 Data size: 101 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
@@ -120,14 +120,14 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 7 Data size: 54 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 13 Data size: 101 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
            TableScan
              Reduce Output Operator
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- 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
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Join Operator
@@ -137,10 +137,10 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
- Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
              table:
                  input format: org.apache.hadoop.mapred.TextInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -154,31 +154,31 @@ 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
                  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
            TableScan
              alias: x
              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:
@@ -187,13 +187,13 @@ 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:
@@ -209,7 +209,7 @@ 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
@@ -217,7 +217,7 @@ 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
            File Output Operator
              compressed: false
              table:
@@ -295,64 +295,64 @@ 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: x
              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: x
              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
            TableScan
              alias: x
              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: 526 Data size: 5510 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1050 Data size: 11006 Basic stats: COMPLETE Column stats: NONE
            Join Operator
              condition map:
                   Inner Join 0 to 1
@@ -501,11 +501,11 @@ 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)
@@ -516,11 +516,11 @@ 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
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: string)
@@ -534,11 +534,11 @@ 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
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -546,29 +546,29 @@ STAGE PLANS:
                      0 _col0 (type: string)
                      1 _col0 (type: string)
                    outputColumnNames: _col0
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
                    Group By Operator
                      aggregations: count(1)
                      keys: _col0 (type: string)
                      mode: hash
                      outputColumnNames: _col0, _col1
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 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: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
                        value expressions: _col1 (type: bigint)
            TableScan
              alias: x
              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
@@ -576,32 +576,32 @@ 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
        Reduce Operator Tree:
          Demux Operator
- Statistics: Num rows: 289 Data size: 3029 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 577 Data size: 6053 Basic stats: COMPLETE Column stats: NONE
            Group By Operator
              aggregations: count(VALUE._col0)
              keys: KEY._col0 (type: string)
              mode: mergepartial
              outputColumnNames: _col0, _col1
- Statistics: Num rows: 144 Data size: 1509 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 288 Data size: 3021 Basic stats: COMPLETE Column stats: NONE
              Mux Operator
- Statistics: Num rows: 288 Data size: 3018 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 576 Data size: 6042 Basic stats: COMPLETE Column stats: NONE
                Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -622,9 +622,9 @@ STAGE PLANS:
              keys: KEY._col0 (type: string)
              mode: mergepartial
              outputColumnNames: _col0, _col1
- Statistics: Num rows: 144 Data size: 1509 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 288 Data size: 3021 Basic stats: COMPLETE Column stats: NONE
              Mux Operator
- Statistics: Num rows: 288 Data size: 3018 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 576 Data size: 6042 Basic stats: COMPLETE Column stats: NONE
                Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -716,22 +716,22 @@ 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
                  Group By Operator
                    aggregations: count(1)
                    keys: _col0 (type: string)
                    mode: hash
                    outputColumnNames: _col0, _col1
- 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
                      value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Group By Operator
@@ -739,7 +739,7 @@ STAGE PLANS:
            keys: KEY._col0 (type: string)
            mode: mergepartial
            outputColumnNames: _col0, _col1
- Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
@@ -755,22 +755,22 @@ 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
              Reduce Output Operator
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Join Operator
@@ -780,10 +780,10 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
- Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
              table:
                  input format: org.apache.hadoop.mapred.TextInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -855,43 +855,43 @@ 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: x
              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
                    aggregations: count(1)
                    keys: _col0 (type: string)
                    mode: hash
                    outputColumnNames: _col0, _col1
- 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
                      value expressions: _col1 (type: bigint)
        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
            Mux Operator
- Statistics: Num rows: 394 Data size: 4127 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 787 Data size: 8249 Basic stats: COMPLETE Column stats: NONE
              Join Operator
                condition map:
                     Inner Join 0 to 1
@@ -912,9 +912,9 @@ STAGE PLANS:
              keys: KEY._col0 (type: string)
              mode: mergepartial
              outputColumnNames: _col0, _col1
- Statistics: Num rows: 131 Data size: 1372 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 262 Data size: 2746 Basic stats: COMPLETE Column stats: NONE
              Mux Operator
- Statistics: Num rows: 394 Data size: 4127 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 787 Data size: 8249 Basic stats: COMPLETE Column stats: NONE
                Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1005,31 +1005,31 @@ 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
                  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
            TableScan
              alias: x
              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:
@@ -1038,13 +1038,13 @@ 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:
@@ -1060,7 +1060,7 @@ 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
@@ -1068,7 +1068,7 @@ 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
            File Output Operator
              compressed: false
              table:
@@ -1084,22 +1084,22 @@ 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
              Reduce Output Operator
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- 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
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Join Operator
@@ -1109,10 +1109,10 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
- Statistics: Num rows: 150 Data size: 1600 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 302 Data size: 3213 Basic stats: COMPLETE Column stats: NONE
              table:
                  input format: org.apache.hadoop.mapred.TextInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1184,51 +1184,51 @@ 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: x
              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
            TableScan
              alias: x
              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: 513 Data size: 5411 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1025 Data size: 10815 Basic stats: COMPLETE Column stats: NONE
            Mux Operator
- Statistics: Num rows: 514 Data size: 5411 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1026 Data size: 10815 Basic stats: COMPLETE Column stats: NONE
              Join Operator
                condition map:
                     Inner Join 0 to 1
@@ -1261,7 +1261,7 @@ STAGE PLANS:
                  outputColumnNames: _col0, _col1
                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                  Mux Operator
- Statistics: Num rows: 514 Data size: 5411 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1026 Data size: 10815 Basic stats: COMPLETE Column stats: NONE
                    Join Operator
                      condition map:
                           Inner Join 0 to 1
@@ -1352,31 +1352,31 @@ 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: x
              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
        Reduce Operator Tree:
          Join Operator
            condition map:
@@ -1385,13 +1385,13 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
            Group By Operator
              aggregations: count(1)
              keys: _col0 (type: string)
              mode: hash
              outputColumnNames: _col0, _col1
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
              File Output Operator
                compressed: false
                table:
@@ -1407,7 +1407,7 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 14 Data size: 108 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 27 Data size: 210 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Group By Operator
@@ -1415,7 +1415,7 @@ STAGE PLANS:
            keys: KEY._col0 (type: string)
            mode: mergepartial
            outputColumnNames: _col0, _col1
- Statistics: Num rows: 7 Data size: 54 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 13 Data size: 101 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
@@ -1431,23 +1431,23 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 7 Data size: 54 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 13 Data size: 101 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
            TableScan
              alias: yy
              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:
@@ -1456,10 +1456,10 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            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
- 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
              table:
                  input format: org.apache.hadoop.mapred.TextInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1553,49 +1553,49 @@ 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: x
              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: yy
              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: 276 Data size: 2854 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 550 Data size: 5694 Basic stats: COMPLETE Column stats: NONE
            Join Operator
              condition map:
                   Inner Join 0 to 1
@@ -1613,7 +1613,7 @@ STAGE PLANS:
                  outputColumnNames: _col0, _col1
                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                  Mux Operator
- Statistics: Num rows: 277 Data size: 2854 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 551 Data size: 5694 Basic stats: COMPLETE Column stats: NONE
                    Join Operator
                      condition map:
                           Inner Join 0 to 1
@@ -1630,7 +1630,7 @@ STAGE PLANS:
                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
            Mux Operator
- Statistics: Num rows: 277 Data size: 2854 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 551 Data size: 5694 Basic stats: COMPLETE Column stats: NONE
              Join Operator
                condition map:
                     Inner Join 0 to 1
@@ -1745,31 +1745,31 @@ 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
                  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
            TableScan
              alias: zz
              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:
@@ -1778,13 +1778,13 @@ 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:
@@ -1800,7 +1800,7 @@ 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
@@ -1808,7 +1808,7 @@ 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
            File Output Operator
              compressed: false
              table:
@@ -1824,37 +1824,37 @@ 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
                  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
            TableScan
              alias: xx
              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
              Reduce Output Operator
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- 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
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Join Operator
@@ -1866,14 +1866,14 @@ STAGE PLANS:
              1 _col0 (type: string)
              2 _col0 (type: string)
            outputColumnNames: _col1, _col2, _col3
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
            Select Operator
              expressions: _col1 (type: string), _col2 (type: string), _col3 (type: bigint)
              outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
              File Output Operator
                compressed: false
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
                table:
                    input format: org.apache.hadoop.mapred.TextInputFormat
                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -1977,66 +1977,66 @@ 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
                  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
            TableScan
              alias: xx
              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: zz
              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
            TableScan
              alias: zz
              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: 763 Data size: 8067 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1525 Data size: 16127 Basic stats: COMPLETE Column stats: NONE
            Mux Operator
- Statistics: Num rows: 1527 Data size: 16134 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 3051 Data size: 32254 Basic stats: COMPLETE Column stats: NONE
              Join Operator
                condition map:
                     Inner Join 0 to 1
@@ -2075,7 +2075,7 @@ STAGE PLANS:
                  outputColumnNames: _col0, _col1
                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                  Mux Operator
- Statistics: Num rows: 1527 Data size: 16134 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 3051 Data size: 32254 Basic stats: COMPLETE Column stats: NONE
                    Join Operator
                      condition map:
                           Inner Join 0 to 1
@@ -2198,31 +2198,31 @@ 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
                  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
            TableScan
              alias: x
              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:
@@ -2231,13 +2231,13 @@ 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:
@@ -2253,7 +2253,7 @@ 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
@@ -2261,7 +2261,7 @@ 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
            File Output Operator
              compressed: false
              table:
@@ -2277,38 +2277,38 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- 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
                value expressions: _col1 (type: bigint)
            TableScan
              alias: x
              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
            TableScan
              alias: xx
              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
        Reduce Operator Tree:
          Join Operator
            condition map:
@@ -2319,14 +2319,14 @@ STAGE PLANS:
              1 _col0 (type: string)
              2 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col3
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
            Select Operator
              expressions: _col3 (type: string), _col0 (type: string), _col1 (type: bigint)
              outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
              File Output Operator
                compressed: false
- Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1100 Data size: 11686 Basic stats: COMPLETE Column stats: NONE
                table:
                    input format: org.apache.hadoop.mapred.TextInputFormat
                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2424,64 +2424,64 @@ 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
                  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
            TableScan
              alias: x
              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
            TableScan
              alias: x
              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
            TableScan
              alias: xx
              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
        Reduce Operator Tree:
          Demux Operator
- Statistics: Num rows: 763 Data size: 8067 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1525 Data size: 16127 Basic stats: COMPLETE Column stats: NONE
            Join Operator
              condition map:
                   Inner Join 0 to 1
@@ -2499,7 +2499,7 @@ STAGE PLANS:
                  outputColumnNames: _col0, _col1
                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
                  Mux Operator
- Statistics: Num rows: 1527 Data size: 16134 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 3051 Data size: 32254 Basic stats: COMPLETE Column stats: NONE
                    Join Operator
                      condition map:
                           Inner Join 0 to 1
@@ -2522,7 +2522,7 @@ STAGE PLANS:
                              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
            Mux Operator
- Statistics: Num rows: 1527 Data size: 16134 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 3051 Data size: 32254 Basic stats: COMPLETE Column stats: NONE
              Join Operator
                condition map:
                     Inner Join 0 to 1
@@ -2649,18 +2649,18 @@ 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
                Group By Operator
                  aggregations: count()
                  keys: key (type: string)
                  mode: hash
                  outputColumnNames: _col0, _col1
- 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
                    value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Group By Operator
@@ -2668,7 +2668,7 @@ STAGE PLANS:
            keys: KEY._col0 (type: string)
            mode: mergepartial
            outputColumnNames: _col0, _col1
- Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
@@ -2684,14 +2684,14 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
            TableScan
              Reduce Output Operator
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 6 Data size: 45 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 12 Data size: 91 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint)
        Reduce Operator Tree:
          Join Operator
@@ -2701,13 +2701,13 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col3
- Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
            Group By Operator
              aggregations: sum(_col1), sum(_col3)
              keys: _col0 (type: string)
              mode: hash
              outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
              File Output Operator
                compressed: false
                table:
@@ -2723,7 +2723,7 @@ 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: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint), _col2 (type: bigint)
        Reduce Operator Tree:
          Group By Operator
@@ -2731,7 +2731,7 @@ STAGE PLANS:
            keys: KEY._col0 (type: string)
            mode: mergepartial
            outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
@@ -2747,23 +2747,23 @@ STAGE PLANS:
                key expressions: _col0 (type: string)
                sort order: +
                Map-reduce partition columns: _col0 (type: string)
- Statistics: Num rows: 68 Data size: 724 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 137 Data size: 1455 Basic stats: COMPLETE Column stats: NONE
                value expressions: _col1 (type: bigint), _col2 (type: bigint)
            TableScan
              alias: x
              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), value (type: string)
                  outputColumnNames: _col0, _col1
- 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
                    value expressions: _col1 (type: string)
        Reduce Operator Tree:
          Join Operator
@@ -2773,14 +2773,14 @@ STAGE PLANS:
              0 _col0 (type: string)
              1 _col0 (type: string)
            outputColumnNames: _col0, _col1, _col2, _col4
- 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
            Select Operator
              expressions: _col0 (type: string), _col1 (type: bigint), _col2 (type: bigint), _col0 (type: string), _col4 (type: string)
              outputColumnNames: _col0, _col1, _col2, _col3, _col4
- 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
- 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
                table:
                    input format: org.apache.hadoop.mapred.TextInputFormat
                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
@@ -2794,18 +2794,18 @@ 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
                Group By Operator
                  aggregations: count()
                  keys: key (type: string)
                  mode: hash
                  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)


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postedDec 12, '15 at 6:54a
activeDec 15, '15 at 12:39a
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