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Posted to issues@hive.apache.org by "Alessandro Solimando (Jira)" <ji...@apache.org> on 2022/01/19 18:11:00 UTC

[jira] [Assigned] (HIVE-25880) Configuration option to exclude rule by a regex on their description

     [ https://issues.apache.org/jira/browse/HIVE-25880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alessandro Solimando reassigned HIVE-25880:
-------------------------------------------


> Configuration option to exclude rule by a regex on their description
> --------------------------------------------------------------------
>
>                 Key: HIVE-25880
>                 URL: https://issues.apache.org/jira/browse/HIVE-25880
>             Project: Hive
>          Issue Type: New Feature
>          Components: CBO
>    Affects Versions: 4.0.0
>            Reporter: Alessandro Solimando
>            Assignee: Alessandro Solimando
>            Priority: Major
>
> Introduce a configuration option to exclude rules via a regex on the rule description, based on Calcite's [org.apache.calcite.plan.AbstractRelOptPlanner#setRuleDescExclusionFilter|https://github.com/apache/calcite/blob/0065d7c179b98698f018f83b0af0845a6698fc54/core/src/main/java/org/apache/calcite/plan/AbstractRelOptPlanner.java#L186].
> The motivation is to provide a quick workaround when one or more rules are causing issues at planning time, without code changes.
> Another use would be to quickly experiment on the impact of disabling one or more rules on the compute plan.



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