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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-632) Dataflow runner does not correctly flatten duplicate inputs
Date Fri, 24 Mar 2017 22:58:41 GMT


ASF GitHub Bot commented on BEAM-632:

GitHub user tgroh opened a pull request:

    [BEAM-632] Fix Flatten PCollections in Dataflow

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You can merge this pull request into a Git repository by running:

    $ git pull dataflow_flatten

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2325
commit 086d95f78e3188ea0036f3c4db7979e204775e4c
Author: Thomas Groh <>
Date:   2017-03-24T22:38:20Z

    Fix EmptyFlattenAsCreateFactory
    The input types of Flatten and Create don't match up, so a composite
    must be provided instead of Create directly.

commit 3982110f20e17f6022ec30d1ecb44e47653f12bb
Author: Thomas Groh <>
Date:   2017-03-24T21:45:08Z

    Reenable Flatten Tests in the Dataflow Runner

commit 125c4b09639e60ad3be5b34131185806b07b6b5f
Author: Thomas Groh <>
Date:   2017-03-24T22:14:27Z

    Explicitly duplicate input PCollections in Dataflow


> Dataflow runner does not correctly flatten duplicate inputs
> -----------------------------------------------------------
>                 Key: BEAM-632
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow
>            Reporter: Daniel Halperin
>            Assignee: Thomas Groh
>            Priority: Critical
>             Fix For: First stable release
> Builds #1148+ are failing the new test that [~tgroh] added in that PR.

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