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Add support for native custom scalar UDFs #4312

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Add support for native custom scalar UDFs#4312
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area:expressionsExpression evaluationenhancementNew feature or requestpriority:mediumFunctional bugs, performance regressions, broken features

Description

@andygrove
andygrove
opened on May 13, 2026

What is the problem the feature request solves?

I would like to add support for users implementing their own UDFs and registering them with Comet.

There is a prototype in #4283

Describe the potential solution

No response

Additional context

No response

Activity

  1. andygrove
    added this to the 0.18.0 (July 2026) milestone on May 13, 2026
  2. andygrove
    added
    enhancementNew feature or request
    on May 13, 2026
  3. github-actions
    added
    requires-triage
    on May 13, 2026
  4. andygrove
    removed this from the 0.18.0 milestone on May 14, 2026
  5. andygrove
    added
    priority:mediumFunctional bugs, performance regressions, broken features
    area:expressionsExpression evaluation
    and removed
    requires-triage
    on May 18, 2026

  6. andygrove commented on May 21, 2026

    @andygrove
    andygrove
    on May 21, 2026
    MemberAuthor

    This is no longer needed now that we have the Spark UDF support

  7. andygrove
    closed this as completedon May 21, 2026
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