[jira] [Resolved] (CALCITE-5679) HepPlanner#buildFinalPlan: do not clear metadata cache if RelNode has not changed

["Ruben Q L (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruben Q L resolved CALCITE-5679.
--------------------------------
    Resolution: Fixed

Done via https://github.com/apache/calcite/commit/a833bd626c5e781ccc27bd6fab1c636a3b944907

Thanks [~jiajunbernoulli] and [~libenchao] for the review!

> HepPlanner#buildFinalPlan: do not clear metadata cache if RelNode has not changed
> ---------------------------------------------------------------------------------
>
>                 Key: CALCITE-5679
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5679
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Ruben Q L
>            Assignee: Ruben Q L
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.35.0
>
>
> Minor optimization:
> {{HepPlanner#buildFinalPlan}} clears the metadata cache info of the impacted RelNode after replacing its inputs, but in the cases where the RelNode does not change (e.g. when it has no inputs) this clear cache should not be necessary (unless I'm missing something).



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