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https://issues.apache.org/jira/browse/FLINK-553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336927#comment-17336927
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Flink Jira Bot commented on FLINK-553:
--------------------------------------
This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> Add getGroupKey() method to group-at-time operators
> ---------------------------------------------------
>
> Key: FLINK-553
> URL: https://issues.apache.org/jira/browse/FLINK-553
> Project: Flink
> Issue Type: Improvement
> Components: API / DataSet
> Reporter: GitHub Import
> Priority: Major
> Labels: github-import, stale-major
>
> Group-at-a-time operators (Reduce & CoGroup) work on multiple records in one
> UDF call. Often these UDFs need to access the key that is common to all
> records of a group.
> We could add a function to set a the key of a group before the UDF is called
> (``setGroupKey()``) and a function to get the key (``getGroupKey()``) that
> can be called from the UDF.
> What do you think about this?
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/553
> Created by: [fhueske|https://github.com/fhueske]
> Labels: enhancement, java api, scala api, user satisfaction,
> Assignee: [aalexandrov|https://github.com/aalexandrov]
> Created at: Mon Mar 10 22:28:27 CET 2014
> State: open
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