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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2023/10/05 14:46:00 UTC

[jira] [Resolved] (SPARK-36112) Enable DecorrelateInnerQuery for IN/EXISTS subqueries

     [ https://issues.apache.org/jira/browse/SPARK-36112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-36112.
---------------------------------
    Fix Version/s: 4.0.0
       Resolution: Fixed

Issue resolved by pull request 43111
[https://github.com/apache/spark/pull/43111]

> Enable DecorrelateInnerQuery for IN/EXISTS subqueries
> -----------------------------------------------------
>
>                 Key: SPARK-36112
>                 URL: https://issues.apache.org/jira/browse/SPARK-36112
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Allison Wang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: image-2023-04-25-21-51-55-961.png
>
>
> Currently, `DecorrelateInnerQuery` is only enabled for scalar and lateral subqueries. We should enable `DecorrelateInnerQuery` for IN/EXISTS subqueries. Note we need to add the logic to rewrite domain joins in `RewritePredicateSubquery`.



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