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https://issues.apache.org/jira/browse/BEAM-1865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15961645#comment-15961645
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ASF GitHub Bot commented on BEAM-1865:
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GitHub user vikkyrk opened a pull request:
https://github.com/apache/beam/pull/2470
[BEAM-1865]: Fix GroupByKeyInputVisitor for Direct Runner
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---
- Also handle `None` input types which is the case when
`TypeOptions.pipeline_type_check` is disabled.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vikkyrk/incubator-beam py_gbk_type_check
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2470.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 #2470
----
commit c7f1a44dc5259164f326bef23ff4620b4ffbcb77
Author: Vikas Kedigehalli <[email protected]>
Date: 2017-04-08T02:22:27Z
Fix GroupByKeyInputVisitor for Direct Runner
----
> 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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