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https://issues.apache.org/jira/browse/CALCITE-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aitozi reassigned CALCITE-5264:
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Assignee: Aitozi
> Allow HintStrategy exclusion rules check for all the rels of a single match
> ---------------------------------------------------------------------------
>
> Key: CALCITE-5264
> URL: https://issues.apache.org/jira/browse/CALCITE-5264
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Aitozi
> Assignee: Aitozi
> Priority: Major
>
> In the https://issues.apache.org/jira/browse/CALCITE-3781, calcite can
> specify a hint for a relNode to let the planner exclude some rule when
> optimze. But as [~julianhyde] sail, it's strange to only check for the
> {{rels[0]}}. If we have a rule to push a common project to the source scan,
> we want to prevent the common project optimized from the ProjectMerge Rule,
> it can not work, as the preserved one is at the bottom.
> So I proposal to check all the rels for the rule.
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