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https://issues.apache.org/jira/browse/FLINK-7152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083679#comment-16083679
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Xu Pingyong commented on FLINK-7152:
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Thanks Stephan and Aljoscha.
I understand it and close this issue now.
> use CombineOutputSelector instead of outputSelector list
> --------------------------------------------------------
>
> Key: FLINK-7152
> URL: https://issues.apache.org/jira/browse/FLINK-7152
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Xu Pingyong
> Assignee: Xu Pingyong
>
> There is a list of outputSelector in streamNode and streamOperator.
> Every outputSelector returns a string list:
>
> {code:java}
> Iterable<String> select(OUT value);
> {code}
> then string results of all outputSelectors will be unioned in the streamTask
> when outputing a record.
> So I want to introduce CombineOutputSelector to union these results, and only
> one OutputSelector is needed in streamNode and streamOperator.
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