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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-1865) Input Coder of GroupByKey should be a KV Coder in the Python SDK
Date Thu, 06 Apr 2017 00:22:42 GMT

    [ https://issues.apache.org/jira/browse/BEAM-1865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958088#comment-15958088
] 

ASF GitHub Bot commented on BEAM-1865:
--------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/beam/pull/2409


> Input Coder of GroupByKey should be a KV Coder in the Python SDK
> ----------------------------------------------------------------
>
>                 Key: BEAM-1865
>                 URL: https://issues.apache.org/jira/browse/BEAM-1865
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py
>            Reporter: Vikas Kedigehalli
>            Assignee: Vikas Kedigehalli
>
> `Any` type is consistent with `KV` in python. The coder for `Any` type is a fallback
coder or a `FastPrimitivesCoder`, but for a `GroupByKey` operation this needs to be a `TupleCoder`
to ensure that the generated pipeline representation is runnable on a runner in a different
language (in the Fn API world)



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