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https://issues.apache.org/jira/browse/FLINK-20086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17327551#comment-17327551
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Flink Jira Bot commented on FLINK-20086:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Add documentation for the open method of UserDefinedFunction
> ------------------------------------------------------------
>
> Key: FLINK-20086
> URL: https://issues.apache.org/jira/browse/FLINK-20086
> Project: Flink
> Issue Type: Improvement
> Components: API / Python, Documentation
> Reporter: Dian Fu
> Priority: Major
> Labels: stale-major
> Fix For: 1.11.4, 1.13.0
>
>
> According to the questions asked by PyFlink users so far, many users are not
> aware that there is a open method in UserDefinedFunction where they could
> perform initialization work. This method is especially useful for ML users
> where they could perform ML mode initialization.
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