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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1112) Add GroupSorting with KeySelectors
Date Mon, 01 Dec 2014 16:34:15 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14229995#comment-14229995

ASF GitHub Bot commented on FLINK-1112:

Github user fhueske commented on the pull request:

    Thanks for the pull request! 
    I added some comments in-line.
    Could you also add the following tests to the Java and Scala integration tests:
    - KeyExtractor returns a Tuple2 as key
    - GroupReduce function is combinable (including the checks that the elements are processed
by the combiner in the right order).
    Thank you very much!

> Add GroupSorting with KeySelectors
> ----------------------------------
>                 Key: FLINK-1112
>                 URL: https://issues.apache.org/jira/browse/FLINK-1112
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API, Scala API
>            Reporter: Fabian Hueske
>            Assignee: Mingliang Qi
> Group sorting is currently only supported for field-index keys and not for KeySelectors.
> This feature was requested.

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