kgyrtkirk commented on a change in pull request #787: HIVE-22239
URL: https://github.com/apache/hive/pull/787#discussion_r332383859
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File path: ql/src/test/results/clientpositive/llap/subquery_select.q.out
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@@ -3918,14 +3918,14 @@ STAGE PLANS:
Statistics: Num rows: 26 Data size: 208 Basic stats:
COMPLETE Column stats: COMPLETE
Filter Operator
predicate: p_partkey BETWEEN 10000 AND 20000 (type:
boolean)
- Statistics: Num rows: 8 Data size: 64 Basic stats:
COMPLETE Column stats: COMPLETE
+ Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE
Column stats: COMPLETE
Select Operator
expressions: p_size (type: int)
outputColumnNames: p_size
- Statistics: Num rows: 8 Data size: 64 Basic stats:
COMPLETE Column stats: COMPLETE
+ Statistics: Num rows: 1 Data size: 8 Basic stats:
COMPLETE Column stats: COMPLETE
Group By Operator
aggregations: max(p_size)
- minReductionHashAggr: 0.875
+ minReductionHashAggr: 0.0
Review comment:
the computed range is most likely empty...
these changes suggest to me that something is not entirely right....is this
expected?
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