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https://issues.apache.org/jira/browse/FLINK-8919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16396927#comment-16396927
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ASF GitHub Bot commented on FLINK-8919:
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Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/5680
The purpose of unit tests is not only to validate that the new feature
works as expected but also to ensure that the functionality is not broken by
future changes.
So even if the code is copied, we should add a test.
> Add KeyedProcessFunctionWIthCleanupState
> ----------------------------------------
>
> Key: FLINK-8919
> URL: https://issues.apache.org/jira/browse/FLINK-8919
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.6.0
> Reporter: Renjie Liu
> Assignee: Renjie Liu
> Priority: Minor
> Fix For: 1.6.0
>
>
> ProcessFunctionWithCleanupState is a useful tool and I think we also need one
> for the new KeyedProcessFunction api.
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