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Posted to commits@beam.apache.org by "Vikas Kedigehalli (JIRA)" <ji...@apache.org> on 2017/04/03 19:01:41 UTC

[jira] [Created] (BEAM-1865) Input Coder of GroupByKey should be a KV Coder in the Python SDK

Vikas Kedigehalli created BEAM-1865:
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             Summary: 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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