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From "Ahmet Altay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2653) Python SDK missing OrderByKey
Date Fri, 21 Jul 2017 16:20:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16096437#comment-16096437
] 

Ahmet Altay commented on BEAM-2653:
-----------------------------------

[~srfrnk] Could you describe what are you trying to accomplish?

{{OrderByKey}} in Java is a comparator. In Python we do not have a special {{KV}} class, instead
there is {{(key, values)}} tuples. It is possible to write a simple function that compares
two of such tuples by the key. Within the context of combiners, combiners can take a function
like as argument for comparison.

> Python SDK missing OrderByKey
> -----------------------------
>
>                 Key: BEAM-2653
>                 URL: https://issues.apache.org/jira/browse/BEAM-2653
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model, sdk-py
>         Environment: Python SDK
>            Reporter: Shahar Frank
>            Priority: Critical
>
> Trying to sort a collection by key.
> The Java SDK has this implementation: https://beam.apache.org/documentation/sdks/javadoc/2.0.0/org/apache/beam/sdk/values/KV.OrderByKey.html
> But it seems to be missing in the Python SDK.



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