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https://issues.apache.org/jira/browse/FLINK-14003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925116#comment-16925116
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Shimin Yang commented on FLINK-14003:
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[~carp84], what do you think?
> Add access to customized state other than built in state types
> --------------------------------------------------------------
>
> Key: FLINK-14003
> URL: https://issues.apache.org/jira/browse/FLINK-14003
> Project: Flink
> Issue Type: Wish
> Components: Runtime / State Backends
> Reporter: Shimin Yang
> Priority: Minor
>
> Currently the keyed state backend supports states like value, list, map,
> although they are quite useful, but it may not fits all user cases.
> User can develop their customized state backend based on different data store
> as a plugin, but they do not have access to customized state if the type is
> not one of those built-in types.
> I propose to add getPartitionedState method to RuntimeContext and
> KeyedStateStore interface to allow user to access their customized state, and
> it will not affect current code path.
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