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https://issues.apache.org/jira/browse/FLINK-658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14224921#comment-14224921
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ASF GitHub Bot commented on FLINK-658:
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Github user StephanEwen commented on the pull request:
https://github.com/apache/incubator-flink/pull/234#issuecomment-64443601
@aljoscha Can you have a look at this?
The code fails when using the "default co group" in the Scala API (see
ignored test
https://github.com/apache/incubator-flink/pull/234/files#diff-4f9cfc3e3b499122f9e12653b5761e1aR124)
The reason is the current way of wrapping the Operators in a Scala Data
Set, together with the shared binary key operations (that prevent operator
specific functions, like group sorting). I am not sure what would be the best
way to solve this without quite some changes to the Scala APIs design.
> Add Group Sorting to CoGroup
> ----------------------------
>
> Key: FLINK-658
> URL: https://issues.apache.org/jira/browse/FLINK-658
> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Labels: github-import
> Fix For: pre-apache
>
>
> Add group sorting to CoGroup to allow the user to work on sorted input groups
> in a CoGroup function.
> This is analogous to group sorting for Reduce.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/658
> Created by: [fhueske|https://github.com/fhueske]
> Labels: enhancement, java api, user satisfaction,
> Milestone: Release 0.6 (unplanned)
> Created at: Thu Apr 03 10:09:35 CEST 2014
> State: open
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