[jira] [Updated] (FLINK-5094) Support RichReduceFunction and RichFoldFunction as incremental window aggregation functions

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-5094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-5094:
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      Labels: auto-deprioritized-major auto-deprioritized-minor  (was: auto-deprioritized-major stale-minor)
    Priority: Not a Priority  (was: Minor)

This issue was labeled "stale-minor" 7 days ago and has not received any updates so it is being deprioritized. If this ticket is actually Minor, please raise the priority and ask a committer to assign you the issue or revive the public discussion.


> Support RichReduceFunction and RichFoldFunction as incremental window aggregation functions
> -------------------------------------------------------------------------------------------
>
>                 Key: FLINK-5094
>                 URL: https://issues.apache.org/jira/browse/FLINK-5094
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / DataStream
>    Affects Versions: 1.1.3, 1.2.0
>            Reporter: Fabian Hueske
>            Priority: Not a Priority
>              Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> Support {{RichReduceFunction}} and {{RichFoldFunction}} as incremental window aggregation functions in order to initialize the functions via {{open()}}.
> The main problem is that we do not want to provide the full power of {{RichFunction}} for incremental aggregation functions, such as defining own operator state. This could be achieve by providing some kind of {{RestrictedRuntimeContext}}.



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