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https://issues.apache.org/jira/browse/IMPALA-13637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto resolved IMPALA-13637.
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Fix Version/s: Impala 4.5.0
Resolution: Fixed
> Create a backend flag to control tuple-analysis in AggregationNode
> ------------------------------------------------------------------
>
> Key: IMPALA-13637
> URL: https://issues.apache.org/jira/browse/IMPALA-13637
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 4.5.0
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Major
> Fix For: Impala 4.5.0
>
>
> IMPALA-13405 adds a new tuple-analysis logic in AggregationNode to lower
> cardinality estimation when dealing with multi-column grouping. It is good to
> have control flag in case the old behavior is preferred.
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