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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2022/10/24 03:12:00 UTC

[jira] [Resolved] (SPARK-36114) Support subqueries with correlated non-equality predicates

     [ https://issues.apache.org/jira/browse/SPARK-36114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-36114.
---------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 38135
[https://github.com/apache/spark/pull/38135]

> Support subqueries with correlated non-equality predicates
> ----------------------------------------------------------
>
>                 Key: SPARK-36114
>                 URL: https://issues.apache.org/jira/browse/SPARK-36114
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Allison Wang
>            Assignee: Allison Wang
>            Priority: Major
>             Fix For: 3.4.0
>
>
> The new decorrelation framework is able to support subqueries with non-equality predicates. For example:
> SELECT * FROM t1 WHERE c1 = (SELECT SUM(c1) FROM t2 WHERE t1.c2 > t2.c2)
> The restrictions in CheckAnlysis can be removed.
>  



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