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https://issues.apache.org/jira/browse/FLINK-15588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-15588:
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Fix Version/s: (was: 1.13.0)
> check registered udf via catalog API cannot be a scala inner class
> ------------------------------------------------------------------
>
> Key: FLINK-15588
> URL: https://issues.apache.org/jira/browse/FLINK-15588
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Bowen Li
> Priority: Major
>
> scala inner class cannot be instantiated via reflection directly. thus they
> cannot be catalog functions stored as full class name.
> we should check that in catalog API to make sure we remind users of it with
> proper error messages
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