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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2014/09/02 15:02:21 UTC

[jira] [Commented] (FLINK-1020) Add minBy() and maxBy() selection functions

    [ https://issues.apache.org/jira/browse/FLINK-1020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118164#comment-14118164 ] 

ASF GitHub Bot commented on FLINK-1020:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-flink/pull/101


> Add minBy() and maxBy() selection functions
> -------------------------------------------
>
>                 Key: FLINK-1020
>                 URL: https://issues.apache.org/jira/browse/FLINK-1020
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API
>    Affects Versions: 0.6-incubating
>            Reporter: Stephan Ewen
>            Assignee: Tobias
>            Priority: Minor
>              Labels: starter
>             Fix For: 0.7-incubating
>
>
> Adding a minBy() and maxBy() function is a valuable addition. Those are not aggregation functions, because they do not work on individual fields.
> They can be implemented as a simple reduce.



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