w absence of statistics or zero stats (Vineet Garg, reviewed by Ashutosh Chauhan)

vgarg Mon, 25 Sep 2017 14:00:12 -0700

http://git-wip-us.apache.org/repos/asf/hive/blob/6a99cf53/ql/src/test/results/clientpositive/llap/ptf_matchpath.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/ptf_matchpath.q.out 
b/ql/src/test/results/clientpositive/llap/ptf_matchpath.q.out
index b4b249b..d115072 100644
--- a/ql/src/test/results/clientpositive/llap/ptf_matchpath.q.out
+++ b/ql/src/test/results/clientpositive/llap/ptf_matchpath.q.out
@@ -72,12 +72,12 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: flights_tiny
-                  Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: fl_num (type: string), year (type: int), 
month (type: int), day_of_month (type: int)
                     sort order: ++++
                     Map-reduce partition columns: fl_num (type: string)
-                    Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: origin_city_name (type: string), 
arr_delay (type: float)
             Execution mode: llap
             LLAP IO: no inputs
@@ -87,7 +87,7 @@ STAGE PLANS:
               Select Operator
                 expressions: VALUE._col0 (type: string), KEY.reducesinkkey1 
(type: int), KEY.reducesinkkey2 (type: int), KEY.reducesinkkey3 (type: int), 
VALUE._col2 (type: float), KEY.reducesinkkey0 (type: string)
                 outputColumnNames: _col0, _col2, _col3, _col4, _col5, _col6
-                Statistics: Num rows: 24 Data size: 9216 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                 PTF Operator
                   Function definitions:
                       Input definition
@@ -103,14 +103,14 @@ STAGE PLANS:
                         partition by: _col6
                         raw input shape:
                         referenced columns: _col0, _col6, _col2, _col3, _col4, 
tpath, _col5
-                  Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: origin_city_name (type: string), fl_num 
(type: string), year (type: int), month (type: int), day_of_month (type: int), 
sz (type: int), tpath (type: int)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, 
_col5, _col6
-                    Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                       table:
                           input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -200,12 +200,12 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: flights_tiny
-                  Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Reduce Output Operator
                     key expressions: 0 (type: int), fl_num (type: string), 
year (type: int), month (type: int), day_of_month (type: int)
                     sort order: +++++
                     Map-reduce partition columns: 0 (type: int)
-                    Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: origin_city_name (type: string), 
arr_delay (type: float)
             Execution mode: llap
             LLAP IO: no inputs
@@ -215,7 +215,7 @@ STAGE PLANS:
               Select Operator
                 expressions: VALUE._col0 (type: string), KEY.reducesinkkey2 
(type: int), KEY.reducesinkkey3 (type: int), KEY.reducesinkkey4 (type: int), 
VALUE._col2 (type: float), KEY.reducesinkkey1 (type: string)
                 outputColumnNames: _col0, _col2, _col3, _col4, _col5, _col6
-                Statistics: Num rows: 24 Data size: 9216 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                 PTF Operator
                   Function definitions:
                       Input definition
@@ -231,17 +231,17 @@ STAGE PLANS:
                         partition by: 0
                         raw input shape:
                         referenced columns: _col0, _col6, _col2, _col3, _col4, 
tpath, _col5
-                  Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: (fl_num = 1142) (type: boolean)
-                    Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: origin_city_name (type: string), fl_num 
(type: string), year (type: int), month (type: int), day_of_month (type: int), 
sz (type: int), tpath (type: int)
                       outputColumnNames: _col0, _col1, _col2, _col3, _col4, 
_col5, _col6
-                      Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                       File Output Operator
                         compressed: false
-                        Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                         table:
                             input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                             output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -318,19 +318,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: flights_tiny
-                  Statistics: Num rows: 24 Data size: 9216 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: (fl_num = -1142) (type: boolean)
-                    Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: origin_city_name (type: string), year 
(type: int), month (type: int), day_of_month (type: int), arr_delay (type: 
float), fl_num (type: string)
                       outputColumnNames: _col0, _col2, _col3, _col4, _col5, 
_col6
-                      Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: 0 (type: int), _col6 (type: string), 
_col2 (type: int), _col3 (type: int), _col4 (type: int)
                         sort order: +++++
                         Map-reduce partition columns: 0 (type: int)
-                        Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string), _col5 (type: 
float)
             Execution mode: llap
             LLAP IO: no inputs
@@ -340,7 +340,7 @@ STAGE PLANS:
               Select Operator
                 expressions: VALUE._col0 (type: string), KEY.reducesinkkey2 
(type: int), KEY.reducesinkkey3 (type: int), KEY.reducesinkkey4 (type: int), 
VALUE._col2 (type: float), KEY.reducesinkkey1 (type: string)
                 outputColumnNames: _col0, _col2, _col3, _col4, _col5, _col6
-                Statistics: Num rows: 6 Data size: 2304 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                 PTF Operator
                   Function definitions:
                       Input definition
@@ -356,14 +356,14 @@ STAGE PLANS:
                         partition by: 0
                         raw input shape:
                         referenced columns: _col0, _col6, _col2, _col3, _col4, 
tpath, _col5
-                  Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 384 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: origin_city_name (type: string), fl_num 
(type: string), year (type: int), month (type: int), day_of_month (type: int), 
sz (type: int), tpath (type: int)
                     outputColumnNames: _col0, _col1, _col2, _col3, _col4, 
_col5, _col6
-                    Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                     File Output Operator
                       compressed: false
-                      Statistics: Num rows: 6 Data size: 2304 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 384 Basic stats: 
COMPLETE Column stats: NONE
                       table:
                           input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                           output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat


http://git-wip-us.apache.org/repos/asf/hive/blob/6a99cf53/ql/src/test/results/clientpositive/llap/smb_mapjoin_4.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/smb_mapjoin_4.q.out 
b/ql/src/test/results/clientpositive/llap/smb_mapjoin_4.q.out
index 9079538..92acf4b 100644
--- a/ql/src/test/results/clientpositive/llap/smb_mapjoin_4.q.out
+++ b/ql/src/test/results/clientpositive/llap/smb_mapjoin_4.q.out
@@ -68,19 +68,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -108,19 +108,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -136,10 +136,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -185,19 +185,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -225,19 +225,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -253,10 +253,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -302,16 +302,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -336,16 +336,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -361,10 +361,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -415,16 +415,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -449,16 +449,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -474,10 +474,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -529,16 +529,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -563,16 +563,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -588,10 +588,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -648,19 +648,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -688,19 +688,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -716,10 +716,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -767,16 +767,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -801,16 +801,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -826,10 +826,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -879,16 +879,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -913,16 +913,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -938,10 +938,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -993,16 +993,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1027,16 +1027,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1052,10 +1052,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1109,19 +1109,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1149,19 +1149,19 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: int), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: int)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: int)
-                        Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                        Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1177,10 +1177,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1228,16 +1228,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1262,16 +1262,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1287,10 +1287,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1345,16 +1345,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1379,16 +1379,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1404,10 +1404,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -1459,16 +1459,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1493,16 +1493,16 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: c
-                  Statistics: Num rows: 2 Data size: 376 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 1 Data size: 188 Basic stats: COMPLETE 
Column stats: NONE
                   Select Operator
                     expressions: key (type: int), value (type: string)
                     outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                     Reduce Output Operator
                       key expressions: _col0 (type: int)
                       sort order: +
                       Map-reduce partition columns: _col0 (type: int)
-                      Statistics: Num rows: 2 Data size: 376 Basic stats: 
COMPLETE Column stats: NONE
+                      Statistics: Num rows: 1 Data size: 188 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col1 (type: string)
             Execution mode: llap
             LLAP IO: no inputs
@@ -1518,10 +1518,10 @@ STAGE PLANS:
                   1 _col0 (type: int)
                   2 _col0 (type: int)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                 File Output Operator
                   compressed: false
-                  Statistics: Num rows: 4 Data size: 827 Basic stats: COMPLETE 
Column stats: NONE
+                  Statistics: Num rows: 2 Data size: 413 Basic stats: COMPLETE 
Column stats: NONE
                   table:
                       input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat

[15/23] hive git commit: HIVE-17536 : StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats (Vineet Garg, reviewed by Ashutosh Chauhan)

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