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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/05/27 15:50:00 UTC

[jira] [Resolved] (SPARK-31719) Refactor JoinSelection

     [ https://issues.apache.org/jira/browse/SPARK-31719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-31719.
---------------------------------
    Fix Version/s: 3.1.0
       Resolution: Fixed

Issue resolved by pull request 28540
[https://github.com/apache/spark/pull/28540]

> Refactor JoinSelection
> ----------------------
>
>                 Key: SPARK-31719
>                 URL: https://issues.apache.org/jira/browse/SPARK-31719
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Ali Afroozeh
>            Assignee: Ali Afroozeh
>            Priority: Major
>             Fix For: 3.1.0
>
>
> This PR extracts the logic for selecting the planned join type out of the `JoinSelection` rule and moves it to `JoinSelectionHelper` in Catalyst. This change both cleans up the code in `JoinSelection` and allows the logic to be in one place and be used from other rules that need to make decision based on the join type before the planning time.



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