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https://issues.apache.org/jira/browse/FLINK-8437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321606#comment-17321606
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Flink Jira Bot commented on FLINK-8437:
---------------------------------------
This issue and all of its Sub-Tasks have not been updated for 180 days. So, it
has been labeled "stale-minor". If you are still affected by this bug or are
still interested in this issue, please give an update and remove the label. In
7 days the issue will be closed automatically.
> SideOutput() API is ambiguous
> -----------------------------
>
> Key: FLINK-8437
> URL: https://issues.apache.org/jira/browse/FLINK-8437
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Affects Versions: 1.5.0
> Reporter: Chesnay Schepler
> Assignee: Chen Qin
> Priority: Minor
> Labels: stale-minor
>
> The current API for retrieving Side Outputs is a bit ambiguous. Consider the
> program below:
> {code:java}
> sideOutput = stream
> .process(...)
> .filter(...)
> .getSideOutput(tag)
> {code}
> This may be the sideOutput of the process function that is passed through the
> API for convenience, or the sideOutput of the filter function (which would
> always be empty).
> Given that only process functions can have sideOutputs we may want to change
> the return type so that getSideOutput can only be called after a process
> function.
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