FAQ
http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin12.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin12.q.out b/ql/src/test/results/clientpositive/bucketmapjoin12.q.out
index 575a9d1..b87685c 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin12.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin12.q.out
@@ -226,7 +226,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -250,7 +250,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -258,7 +258,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()
@@ -511,7 +511,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -528,7 +528,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -536,7 +536,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  Group By Operator
                    aggregations: count()
                    mode: hash

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin13.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin13.q.out b/ql/src/test/results/clientpositive/bucketmapjoin13.q.out
index f06f5a4..cdb7637 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin13.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin13.q.out
@@ -186,7 +186,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -203,7 +203,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -211,7 +211,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- 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
                  Group By Operator
                    aggregations: count()
                    mode: hash
@@ -507,7 +507,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -531,7 +531,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -539,7 +539,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- 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
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()
@@ -787,7 +787,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -811,7 +811,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -819,7 +819,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- 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
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()
@@ -1069,7 +1069,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -1093,7 +1093,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                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
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1101,7 +1101,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- 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
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin2.q.out b/ql/src/test/results/clientpositive/bucketmapjoin2.q.out
index aa33415..fb0e601 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin2.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin2.q.out
@@ -230,7 +230,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 15 Data size: 1583 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -254,7 +254,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 28 Data size: 2958 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -263,18 +263,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col7
                  Position of Big Table: 0
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -776,7 +776,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 28 Data size: 2958 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -800,7 +800,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 15 Data size: 1583 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -809,18 +809,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col7
                  Position of Big Table: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -1419,7 +1419,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 58 Data size: 6124 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -1443,7 +1443,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 28 Data size: 2958 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1452,18 +1452,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col7
                  Position of Big Table: 0
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin3.q.out b/ql/src/test/results/clientpositive/bucketmapjoin3.q.out
index f49b3cd..e71c5e1 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin3.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin3.q.out
@@ -261,7 +261,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 28 Data size: 2958 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -285,7 +285,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 15 Data size: 1583 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -294,18 +294,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col7
                  Position of Big Table: 0
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -814,7 +814,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 15 Data size: 1583 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -838,7 +838,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 28 Data size: 2958 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -847,18 +847,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col7
                  Position of Big Table: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col7 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 30 Data size: 3253 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin4.q.out b/ql/src/test/results/clientpositive/bucketmapjoin4.q.out
index 348725c..7dd2202 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin4.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin4.q.out
@@ -201,7 +201,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -225,7 +225,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -234,18 +234,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -677,7 +677,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -701,7 +701,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -710,18 +710,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 1
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 14 Data size: 1512 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 28 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin5.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin5.q.out b/ql/src/test/results/clientpositive/bucketmapjoin5.q.out
index 6c4ebb3..15969db 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin5.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin5.q.out
@@ -251,7 +251,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -275,7 +275,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 55 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 110 Data size: 11624 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -284,18 +284,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 1
- Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 121 Data size: 12786 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 121 Data size: 12786 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 60 Data size: 6393 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 121 Data size: 12786 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -792,7 +792,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -816,7 +816,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 58 Data size: 6124 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -825,18 +825,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 1
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin7.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin7.q.out b/ql/src/test/results/clientpositive/bucketmapjoin7.q.out
index 639cf17..e845006 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin7.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin7.q.out
@@ -207,7 +207,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -231,7 +231,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -240,16 +240,16 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col8
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col8 (type: string)
                    outputColumnNames: _col0, _col1
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                    Reduce Output Operator
                      key expressions: _col0 (type: int), _col1 (type: string)
                      sort order: ++
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                      tag: -1
                      TopN: 1
                      TopN Hash Memory Usage: 0.1
@@ -314,7 +314,7 @@ STAGE PLANS:
          Select Operator
            expressions: KEY.reducesinkkey0 (type: int), KEY.reducesinkkey1 (type: string)
            outputColumnNames: _col0, _col1
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
            Limit
              Number of rows: 1
              Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin8.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin8.q.out b/ql/src/test/results/clientpositive/bucketmapjoin8.q.out
index 426a3e8..0ef69ea 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin8.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin8.q.out
@@ -192,7 +192,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -216,7 +216,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -224,7 +224,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()
@@ -486,7 +486,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -510,7 +510,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -518,7 +518,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Group By Operator
                    aggregations: count()

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin9.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin9.q.out b/ql/src/test/results/clientpositive/bucketmapjoin9.q.out
index 50ce9c9..02c5153 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin9.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin9.q.out
@@ -200,7 +200,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 525 Data size: 2100 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1050 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -217,7 +217,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -225,7 +225,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 577 Data size: 2310 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 1155 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Group By Operator
                    aggregations: count()
                    mode: hash
@@ -519,7 +519,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -536,7 +536,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 344 Data size: 1377 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 687 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -544,7 +544,7 @@ STAGE PLANS:
                    0 key (type: int)
                    1 key (type: int)
                  Position of Big Table: 0
- Statistics: Num rows: 378 Data size: 1514 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 755 Data size: 3025 Basic stats: COMPLETE Column stats: NONE
                  Group By Operator
                    aggregations: count()
                    mode: hash

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin_negative.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin_negative.q.out b/ql/src/test/results/clientpositive/bucketmapjoin_negative.q.out
index dcee44f..124ccb3 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin_negative.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin_negative.q.out
@@ -205,7 +205,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 20 Data size: 2100 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 40 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -222,7 +222,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -231,17 +231,17 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 22 Data size: 2310 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 44 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 22 Data size: 2310 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 44 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 22 Data size: 2310 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 44 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin_negative2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin_negative2.q.out b/ql/src/test/results/clientpositive/bucketmapjoin_negative2.q.out
index 25e70ea..03d95a9 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin_negative2.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin_negative2.q.out
@@ -252,7 +252,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 29 Data size: 3062 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 58 Data size: 6124 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -276,7 +276,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 13 Data size: 1375 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 26 Data size: 2750 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -285,18 +285,18 @@ STAGE PLANS:
                    1 key (type: int)
                  outputColumnNames: _col0, _col1, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 1
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 31 Data size: 3368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 63 Data size: 6736 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketmapjoin_negative3.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketmapjoin_negative3.q.out b/ql/src/test/results/clientpositive/bucketmapjoin_negative3.q.out
index 318c0dd..b2b6d01 100644
--- a/ql/src/test/results/clientpositive/bucketmapjoin_negative3.q.out
+++ b/ql/src/test/results/clientpositive/bucketmapjoin_negative3.q.out
@@ -215,7 +215,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -239,7 +239,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -248,18 +248,18 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -405,7 +405,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -429,7 +429,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -438,18 +438,18 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  BucketMapJoin: true
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -592,7 +592,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: UDFToDouble(key) is not null (type: boolean)
- Statistics: Num rows: 11 Data size: 2200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 (key + key) (type: double)
@@ -609,7 +609,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key + key) is not null (type: boolean)
- Statistics: Num rows: 11 Data size: 2200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -618,17 +618,17 @@ STAGE PLANS:
                    1 UDFToDouble(key) (type: double)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 12 Data size: 2420 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 12 Data size: 2420 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 12 Data size: 2420 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -774,7 +774,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -791,7 +791,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -800,17 +800,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -956,7 +956,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -973,7 +973,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -982,17 +982,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -1138,7 +1138,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -1155,7 +1155,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1164,17 +1164,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -1320,7 +1320,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -1337,7 +1337,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1346,17 +1346,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -1502,7 +1502,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -1519,7 +1519,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1528,17 +1528,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat
@@ -1684,7 +1684,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: string), value (type: string)
@@ -1701,7 +1701,7 @@ STAGE PLANS:
              Filter Operator
                isSamplingPred: false
                predicate: (key is not null and value is not null) (type: boolean)
- Statistics: Num rows: 6 Data size: 1200 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 21 Data size: 4200 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -1710,17 +1710,17 @@ STAGE PLANS:
                    1 key (type: string), value (type: string)
                  outputColumnNames: _col0, _col1, _col5, _col6
                  Position of Big Table: 0
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                  Select Operator
                    expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
                    outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
                    File Output Operator
                      compressed: false
                      GlobalTableId: 0
  #### A masked pattern was here ####
                      NumFilesPerFileSink: 1
- Statistics: Num rows: 6 Data size: 1320 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 23 Data size: 4620 Basic stats: COMPLETE Column stats: NONE
  #### A masked pattern was here ####
                      table:
                          input format: org.apache.hadoop.mapred.TextInputFormat

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out b/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out
index caee5c6..9761293 100644
--- a/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out
+++ b/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out
@@ -108,11 +108,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -253,11 +253,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -271,11 +271,11 @@ STAGE PLANS:
              Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -333,11 +333,11 @@ STAGE PLANS:
              Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -351,11 +351,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -393,11 +393,11 @@ STAGE PLANS:
              Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 20 Data size: 140 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -543,11 +543,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -703,11 +703,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -845,11 +845,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), concat(value, value) (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -1000,11 +1000,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -1018,11 +1018,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -1080,11 +1080,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -1098,11 +1098,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -1140,11 +1140,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1

http://git-wip-us.apache.org/repos/asf/hive/blob/d8ee05ae/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out b/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out
index 252f132..2b61b4c 100644
--- a/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out
+++ b/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out
@@ -97,7 +97,7 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -111,7 +111,7 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -169,7 +169,7 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                HashTable Sink Operator
                  keys:
                    0 key (type: int)
@@ -183,7 +183,7 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -221,7 +221,7 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Sorted Merge Bucket Map Join Operator
                  condition map:
                       Inner Join 0 to 1
@@ -375,11 +375,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int)
                  outputColumnNames: _col0
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -393,11 +393,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -452,11 +452,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  HashTable Sink Operator
                    keys:
                      0 _col0 (type: int)
@@ -470,11 +470,11 @@ STAGE PLANS:
              Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int)
                  outputColumnNames: _col0
- Statistics: Num rows: 42 Data size: 368 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 84 Data size: 736 Basic stats: COMPLETE Column stats: NONE
                  Map Join Operator
                    condition map:
                         Inner Join 0 to 1
@@ -509,11 +509,11 @@ STAGE PLANS:
              Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
              Filter Operator
                predicate: key is not null (type: boolean)
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                Select Operator
                  expressions: key (type: int), value (type: string)
                  outputColumnNames: _col0, _col1
- Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE
+ Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE
                  Sorted Merge Bucket Map Join Operator
                    condition map:
                         Inner Join 0 to 1

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