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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2025/02/20 07:23:00 UTC

[jira] [Assigned] (SPARK-51259) Refactor and improve performance for natural and using join keys computation

     [ https://issues.apache.org/jira/browse/SPARK-51259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-51259:
-----------------------------------

    Assignee: Mihailo Timotic

> Refactor and improve performance for natural and using join keys computation
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-51259
>                 URL: https://issues.apache.org/jira/browse/SPARK-51259
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.0.0
>            Reporter: Mihailo Timotic
>            Assignee: Mihailo Timotic
>            Priority: Major
>              Labels: pull-request-available
>
> Refactor natural and using join key computation to a separate component so that it can be reused in single-pass resolver. Additionally, improve performance of key lookup by using an {{AttributeSet}} instead of linear lookups.



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