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https://issues.apache.org/jira/browse/FLINK-12283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16991736#comment-16991736
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Timo Walther commented on FLINK-12283:
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[~zjffdu] I have a working prototype for this issue. It requires quite a lot of
changes but I think it would be nice for users. The only problem right now is
that we don't have access to the Scala ClosureCleaner. I opened FLINK-15162 and
hope somebody could pick it up. Could you give me some UDF examples to test my
implementation?
> Table API does not allow non-static inner class as UDF
> ------------------------------------------------------
>
> Key: FLINK-12283
> URL: https://issues.apache.org/jira/browse/FLINK-12283
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.8.0
> Reporter: Jeff Zhang
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> See details here
> [https://lists.apache.org/thread.html/9ecec89ba1225dbd6b3ea2466a910ad9685a42a4672b449f6ee13565@%3Cuser.flink.apache.org%3E]
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