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https://issues.apache.org/jira/browse/FLINK-12791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323253#comment-17323253
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Flink Jira Bot commented on FLINK-12791:
----------------------------------------

This issue is assigned but has not received an update in 7 days so it has been 
labeled "stale-assigned". If you are still working on the issue, please give an 
update and remove the label. If you are no longer working on the issue, please 
unassign so someone else may work on it. In 7 days the issue will be 
automatically unassigned.

> Introduce LocalKeyedStateHandle interface and implement 
> LocalKeyedKeyGroupsStateHandle / LocalKeyedIncrementalKeyedStateHandle
> ------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-12791
>                 URL: https://issues.apache.org/jira/browse/FLINK-12791
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / State Backends
>            Reporter: vinoyang
>            Assignee: vinoyang
>            Priority: Major
>              Labels: stale-assigned
>
> To deal with local keyed state, we need to implement a 
> {{LocalKeyedStateHandle}} interface to distinguish the existed 
> {{KeyedStateHandle}}. This is a marker interface does not provide anything 
> further methods.
> Based on {{LocalKeyedStateHandle}} we provided two implementations: 
> {{LocalKeyedKeyGroupsStateHandle}} and 
> {{LocalKeyedIncrementalKeyedStateHandle}}. They are specialized 
> {{KeyGroupsStateHandle}} and {{IncrementalKeyedStateHandle}} for states that 
> are local keyed.



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