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https://issues.apache.org/jira/browse/CALCITE-5149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-5149:
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Labels: pull-request-available (was: )
> Refine RelMdColumnUniqueness for Aggregate by considering intersect keys
> between target keys and group keys
> ------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-5149
> URL: https://issues.apache.org/jira/browse/CALCITE-5149
> Project: Calcite
> Issue Type: Improvement
> Reporter: Chunwei Lei
> Assignee: Chunwei Lei
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> For instance,
> columns: [0, 1]
> group keys: [0, 2]
> If [0] is unique, then [0, 1] is unique too.
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