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https://issues.apache.org/jira/browse/FLINK-7635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16169574#comment-16169574
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Bowen Li commented on FLINK-7635:
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[~foxss] Hi Chen, this one looks really interesting to me to ramp up my
knowledge on window functions. May I take this one?
> support sideOutput in ProcessWindowFunciton & ProcessAllWindowFunction
> ----------------------------------------------------------------------
>
> Key: FLINK-7635
> URL: https://issues.apache.org/jira/browse/FLINK-7635
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API, Scala API
> Reporter: Chen Qin
> Priority: Minor
> Fix For: 1.4.0, 1.3.3
>
>
> [FLINK-4460|https://issues.apache.org/jira/browse/FLINK-4460] only
> implemented output to ProcessFunction Context. It would be nice to add
> support to ProcessWindow and ProcessAllWindow functions as well. [email
> threads|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/question-on-sideoutput-from-ProcessWindow-function-td15500.html]
> [~aljoscha] I thought this is good warm up task for ppl to learn how window
> function works in general. Otherwise feel free to assign back to me.
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