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https://issues.apache.org/jira/browse/FLINK-703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381219#comment-14381219
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Chiwan Park commented on FLINK-703:
-----------------------------------
Hi, I have a question about this issue. I think that we can use complete
element as join, group, or cogroup keys. Is this issue unresolved? If right,
could you explain more detail about this issue?
I attach a example. (https://gist.github.com/chiwanpark/755e34561d30df0014b9)
> Use complete element as join key.
> ---------------------------------
>
> Key: FLINK-703
> URL: https://issues.apache.org/jira/browse/FLINK-703
> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Assignee: Chiwan Park
> Priority: Trivial
> Labels: github-import
> Fix For: pre-apache
>
>
> In some situations such as semi-joins it could make sense to use a complete
> element as join key.
> Currently this can be done using a key-selector function, but we could offer
> a shortcut for that.
> This is not an urgent issue, but might be helpful.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/703
> Created by: [fhueske|https://github.com/fhueske]
> Labels: enhancement, java api, user satisfaction,
> Milestone: Release 0.6 (unplanned)
> Created at: Thu Apr 17 23:40:00 CEST 2014
> State: open
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