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https://issues.apache.org/jira/browse/FLINK-40708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-40708.
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Fix Version/s: 2.4.0
Resolution: Fixed
Fixed in master: ce00988697662748e75ce83f6e6382f465c33e00
> Support ValueView in PTFs
> -------------------------
>
> Key: FLINK-40708
> URL: https://issues.apache.org/jira/browse/FLINK-40708
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API, Table SQL / Planner, Table SQL / Runtime
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> The API proposed in FLIP-440 makes it very easy and intuitive for developers
> to declare and use value state, including defining a default initial value.
> However, state access in PTF is more complex and not every state entry needs
> to be read and/or updated. For future optimizations such as lazy
> deserialization or avoiding no-op serialization, a “supplier-like“ pattern
> should be promoted for optimal performance.
> This FLIP proposes the introduction of a ValueView that follows the design
> principles of MapView and ListView and adopts ValueState interfaces from
> DataStream API.
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