[jira] [Closed] (CALCITE-5264) HintStrategy rule exclusion does not match innermost rels

["Jess Balint (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jess Balint closed CALCITE-5264.
--------------------------------

Resolved in release 1.33.0 (2023-02-06)

> HintStrategy rule exclusion does not match innermost rels
> ---------------------------------------------------------
>
>                 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
>              Labels: pull-request-available
>             Fix For: 1.33.0
>
>          Time Spent: 2.5h
>  Remaining Estimate: 0h
>
> In CALCITE-3781, calcite can specify a hint for a relNode to let the planner exclude some rule when optimze. But as [~julianhyde] said, 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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