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https://issues.apache.org/jira/browse/CALCITE-4277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17201849#comment-17201849
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Jiatao Tao commented on CALCITE-4277:
-------------------------------------
when we merge set, the set may be obsolete, but the rule match is still in the
rule queue.
> skip rule match when rel's relset is obsolete
> ---------------------------------------------
>
> Key: CALCITE-4277
> URL: https://issues.apache.org/jira/browse/CALCITE-4277
> Project: Calcite
> Issue Type: Improvement
> Reporter: Jiatao Tao
> Assignee: Jiatao Tao
> Priority: Major
>
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