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https://issues.apache.org/jira/browse/FLINK-18627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165978#comment-17165978
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Roey Shem Tov commented on FLINK-18627:
---------------------------------------
[~sjwiesman] a pull request is opened, so it is better to see the changes over
there to understand the syntax improvment of getting filtered records into side
output.
[https://github.com/apache/flink/pull/13001]
> Get unmatch filter method records to side output
> ------------------------------------------------
>
> Key: FLINK-18627
> URL: https://issues.apache.org/jira/browse/FLINK-18627
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Reporter: Roey Shem Tov
> Priority: Major
> Fix For: 1.12.0
>
>
> Unmatch records to filter functions should send somehow to side output.
> Example:
>
> {code:java}
> datastream
> .filter(i->i%2==0)
> .sideOutput(oddNumbersSideOutput);
> {code}
>
>
> That's way we can filter multiple times and send the filtered records to our
> side output instead of dropping it immediatly, it can be useful in many ways.
>
> What do you think?
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