[jira] [Commented] (FLINK-2953) Chained sortPartition() calls produce incorrect results in Scala DataSet API

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985452#comment-14985452 ] 

ASF GitHub Bot commented on FLINK-2953:
---------------------------------------

GitHub user fhueske opened a pull request:

    https://github.com/apache/flink/pull/1317

    [FLINK-2953] Fix chaining of sortPartition() calls in Scala DataSet API

    Fix chaining of sortPartition() calls in Scala DataSet API
    - Added tests for Scala DataSet sortPartition

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/fhueske/flink scalaSortPartition

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1317.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1317
    
----
commit c8c174c1846cd90fd72b4bf9a858cd22cc8d78ef
Author: Fabian Hueske <fh...@apache.org>
Date:   2015-11-02T14:11:38Z

    [FLINK-2953] Fix chaining of sortPartition() calls in Scala DataSet API
    - Added tests for Scala DataSet sortPartition

----


> Chained sortPartition() calls produce incorrect results in Scala DataSet API
> ----------------------------------------------------------------------------
>
>                 Key: FLINK-2953
>                 URL: https://issues.apache.org/jira/browse/FLINK-2953
>             Project: Flink
>          Issue Type: Bug
>          Components: DataSet API, Scala API
>    Affects Versions: 0.9, 0.10, 1.0
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
>            Priority: Blocker
>             Fix For: 0.9.2, 0.10
>
>
> Chaining for {{sortPartition()}} calls does not work correctly in Scala DataSet API.
> {code}
> val x: DataSet[(Int, Int, Int)] = ... //
> x
>   .sortPartition(0, Order.DESCENDING)
>   .sortPartition(2, Order.ASCENDING)
>   .print()
> // result
> (1,2,3)
> (1,3,4)
> (1,2,5)
> (3,7,8)
> // should be
> (3,7,8)
> (1,2,3)
> (1,3,4)
> (1,2,5)
> {code}
> The same program in the Java DataSet API works correctly.



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