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https://issues.apache.org/jira/browse/FLINK-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vinoyang updated FLINK-12790:
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Description: As mentioned in the design document, to distinguish the method
calling between {{localKeyBy}} and general {{keyBy}} API in {{KeyedStream}}.
Also, the implementation of state backend would be refined based on the key
scope.
> Implement KeyScope enum to distinguish the key of localKeyBy and general
> keyBy API
> ----------------------------------------------------------------------------------
>
> Key: FLINK-12790
> URL: https://issues.apache.org/jira/browse/FLINK-12790
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: vinoyang
> Assignee: vinoyang
> Priority: Major
>
> As mentioned in the design document, to distinguish the method calling
> between {{localKeyBy}} and general {{keyBy}} API in {{KeyedStream}}. Also,
> the implementation of state backend would be refined based on the key scope.
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