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https://issues.apache.org/jira/browse/FLINK-20086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dian Fu reassigned FLINK-20086:
-------------------------------
Assignee: Yik San Chan
> 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
> Assignee: Yik San Chan
> Priority: Major
> Labels: pull-request-available
> 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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