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Posted to commits@beam.apache.org by "Jean-Baptiste Onofré (JIRA)" <ji...@apache.org> on 2016/09/29 15:26:21 UTC

[jira] [Resolved] (BEAM-611) Add support for MapValues

     [ https://issues.apache.org/jira/browse/BEAM-611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jean-Baptiste Onofré resolved BEAM-611.
---------------------------------------
       Resolution: Duplicate
         Assignee: Jean-Baptiste Onofré
    Fix Version/s: Not applicable

> Add support for MapValues
> -------------------------
>
>                 Key: BEAM-611
>                 URL: https://issues.apache.org/jira/browse/BEAM-611
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-ideas
>            Reporter: Luke Cwik
>            Assignee: Jean-Baptiste Onofré
>            Priority: Minor
>             Fix For: Not applicable
>
>
> Filed from: https://github.com/GoogleCloudPlatform/DataflowJavaSDK/issues/412
> Often I find myself needing to simply map a function over just the values of a key-valued PCollection. MapElements works for this, but suffers a small hit in readability (imho) and introduces some possibility for error.
> I wanted to see if there is any bandwidth / interest in adding this as a standard transform to the SDK. If so, I have attached a gist with a basic spike I have been using in my flows:
> https://gist.github.com/trentonstrong/8b60933dca545eb2138b72899195019e



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