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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2022/03/01 07:15:00 UTC

[jira] [Assigned] (SPARK-38180) Allow safe up-cast expressions in correlated equality predicates

     [ https://issues.apache.org/jira/browse/SPARK-38180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-38180:
-----------------------------------

    Assignee: Allison Wang

> Allow safe up-cast expressions in correlated equality predicates
> ----------------------------------------------------------------
>
>                 Key: SPARK-38180
>                 URL: https://issues.apache.org/jira/browse/SPARK-38180
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Allison Wang
>            Assignee: Allison Wang
>            Priority: Major
>
> Relax the constraint added in SPARK-35080 by allowing safe up-cast expressions in correlated equality predicates. For example: 
> {code:java}
> cast(x AS STRING) = outer(x) {code}



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