kgyrtkirk commented on a change in pull request #2656:
URL: https://github.com/apache/hive/pull/2656#discussion_r717408925
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File path: ql/src/test/results/clientpositive/llap/groupby1_limit.q.out
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@@ -71,33 +71,34 @@ STAGE PLANS:
mode: mergepartial
outputColumnNames: _col0, _col1
Statistics: Num rows: 316 Data size: 30020 Basic stats:
COMPLETE Column stats: COMPLETE
- Limit
- Number of rows: 5
- Statistics: Num rows: 5 Data size: 475 Basic stats: COMPLETE
Column stats: COMPLETE
- Reduce Output Operator
- null sort order:
- sort order:
- Statistics: Num rows: 5 Data size: 475 Basic stats:
COMPLETE Column stats: COMPLETE
- TopN Hash Memory Usage: 0.1
- value expressions: _col0 (type: string), _col1 (type:
double)
+ Reduce Output Operator
Review comment:
I missed that - most likely because the the row estimate was >100.
In that case this doesn't seem to be a problem; however we should fix the
stat estimate for the TNKO - could you open a ticket?
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