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https://issues.apache.org/jira/browse/SPARK-55206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55206:
-----------------------------------
    Labels: pull-request-available  (was: )

> Support basic single parameter addition Python UDF transpilation
> ----------------------------------------------------------------
>
>                 Key: SPARK-55206
>                 URL: https://issues.apache.org/jira/browse/SPARK-55206
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 4.2.0
>            Reporter: Holden Karau
>            Priority: Major
>              Labels: pull-request-available
>
> For the sake of having code land in testable/reviewable chunks I think the 
> first chunk we should do should be the bare bones for simple numerical PyUDF 
> transpilation. To accomplish that we'll need to include the following:
>  * Parameter for enabing transpilation (clearly marked as experimental)
>  * AST extraction
>  * AST transpilation
>  * UDF node extended to support both transpiled and "original" UDF code 
> (possible with an explanation string for why no transpilation)
>  * UDF node printout in the query plan should be clear if transpiled or not
>  * Property-based tests for transpiled UDFS ensuring correctness
>  * Type promotion equivalence (does not need to be complete given numeric 
> only)
> My theory here is that by putting all of this together in one first PR, we 
> both establish a solid framework for future work and ensure the framework we 
> land is actually usable.



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