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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2023/08/25 07:03:00 UTC

[jira] [Assigned] (SPARK-44930) Deterministic ApplyFunctionExpression should be foldable

     [ https://issues.apache.org/jira/browse/SPARK-44930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-44930:
-----------------------------------

    Assignee: Xianyang Liu

> Deterministic ApplyFunctionExpression should be foldable
> --------------------------------------------------------
>
>                 Key: SPARK-44930
>                 URL: https://issues.apache.org/jira/browse/SPARK-44930
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.4.1
>            Reporter: Xianyang Liu
>            Assignee: Xianyang Liu
>            Priority: Major
>
> Currently, ApplyFunctionExpression is unfoldable because inherits the default value from Expression.  However, it should be foldable for a deterministic ApplyFunctionExpression. This could help optimize the usage for V2 UDF applying to constant expressions.



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