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https://issues.apache.org/jira/browse/FLINK-8437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17329539#comment-17329539
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Flink Jira Bot commented on FLINK-8437:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> 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-assigned, 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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