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https://issues.apache.org/jira/browse/CALCITE-5740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rong Rong updated CALCITE-5740:
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Issue Type: New Feature (was: Bug)
> Support for AggToSemiJoinRule
> -----------------------------
>
> Key: CALCITE-5740
> URL: https://issues.apache.org/jira/browse/CALCITE-5740
> Project: Calcite
> Issue Type: New Feature
> Reporter: Rong Rong
> Priority: Major
>
> Currently we only have JoinToSemiJoin and ProjectToSemiJoin rule.
> which in the rule itself it performance check and see if the project accesses
> columns from the RHS result
> This can be extended to Aggregate as well, experimental code:
> https://github.com/walterddr/calcite/pull/1/files
> Alternative is to
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