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https://issues.apache.org/jira/browse/BEAM-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17131593#comment-17131593
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Beam JIRA Bot commented on BEAM-4746:
-------------------------------------
This issue was marked "stale-assigned" and has not received a public comment in
7 days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> Validate UDF/UDAF types on creation
> -----------------------------------
>
> Key: BEAM-4746
> URL: https://issues.apache.org/jira/browse/BEAM-4746
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Andrew Pilloud
> Priority: P2
>
> We should validate the primitive types used in UDFs and UDAFs at creation
> time. Similar to the verifyPrimitiveType() call in Row. This will ensure the
> functions don't fail with a cryptic error message.
> See:
> https://stackoverflow.com/questions/51239226/not-able-to-call-udf-in-beamsql
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