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https://issues.apache.org/jira/browse/FLINK-7900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hai Zhou UTC+8 reassigned FLINK-7900:
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Assignee: Hai Zhou UTC+8
> Add a Rich KeySelector
> ----------------------
>
> Key: FLINK-7900
> URL: https://issues.apache.org/jira/browse/FLINK-7900
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Hai Zhou UTC+8
> Assignee: Hai Zhou UTC+8
> Priority: Critical
>
> Currently, we just have a `KeySelector` Function, maybe we should add a
> `RichKeySelector` RichFunction, for the user to read some configuration
> information to build the keySelector they need.
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