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https://issues.apache.org/jira/browse/ARROW-15636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17489893#comment-17489893
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Vibhatha Lakmal Abeykoon commented on ARROW-15636:
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Note: This is not supposed to be a mergable PR, but just for the evaluation and
brainstorming to identify limitations and required tools to designing UDFs.
> PoC for UDFs
> -------------
>
> Key: ARROW-15636
> URL: https://issues.apache.org/jira/browse/ARROW-15636
> Project: Apache Arrow
> Issue Type: Sub-task
> Reporter: Vibhatha Lakmal Abeykoon
> Assignee: Vibhatha Lakmal Abeykoon
> Priority: Major
> Labels: C++, Python
>
> The idea is to do a proof of concept before developing the UDF API or
> required kernels as a PR.
> This PoC will be looking into a few ideas.
> * Using Project (ProjectNodeOptions) to execute a simple Python function
> which serves as a UDF
> * Using Aggregate (AggregateNodeOptions) to execute a simple Python function
> which servers as a UDF
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