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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] [Assigned] (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 reassigned SPARK-36112:
-----------------------------------
Assignee: Andrey Gubichev
> 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
> Assignee: Andrey Gubichev
> 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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