[jira] [Updated] (SPARK-50698) Refactor CreateUserDefinedFunction command to extend from UnaryRunnableCommand

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-50698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-50698:
----------------------------------
    Parent: SPARK-56754  (was: SPARK-54137)

> Refactor CreateUserDefinedFunction command to extend from UnaryRunnableCommand
> ------------------------------------------------------------------------------
>
>                 Key: SPARK-50698
>                 URL: https://issues.apache.org/jira/browse/SPARK-50698
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 4.0.0
>            Reporter: Allison Wang
>            Priority: Major
>
> Refactor CreateUserDefinedFunction command to extend from UnaryRunnableCommand, similar to UnsetNamespacePropertiesCommand so that we only need one logical plan for the command.
> See comment: [https://github.com/apache/spark/pull/49126/files#r1890214852]
> Another improvement: We don't hold the expr string in the command, but the parsed expression ({{{}ColumnDefinition#defaultValue{}}}). Then we validate the resolved expression in {{{}ResolveDefaultColumns.validateDefaultValueExpr ({}}}similar to how we validate column default values for CREATE TABLE. ){{{}{}}}
> See comment: https://github.com/apache/spark/pull/49126#discussion_r1900525129



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