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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2844) Support implicit side inputs
Date Wed, 06 Sep 2017 06:23:00 GMT


ASF GitHub Bot commented on BEAM-2844:

GitHub user jkff opened a pull request:

    [BEAM-2844] Introduces PCollectionView.get()
    Supports it for DoFn in the various DoFnRunner's and DoFnTester. Support in CombineFn
    Introduces a category tag UsesImplicitSideInputs, currently excluded in Dataflow runner
- that will be fixed in a follow-up PR after service-side changes, and the category will be
    R: @lukecwik 

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

    $ git pull side-input

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 #3814
commit 90ddc0d1171b3850d55e9ddbbee45abe48ba4086
Author: Eugene Kirpichov <>
Date:   2017-09-06T05:11:34Z

    Introduces PCollectionView.get()


> Support implicit side inputs
> ----------------------------
>                 Key: BEAM-2844
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-core, sdk-java-core
>            Reporter: Eugene Kirpichov
>            Assignee: Eugene Kirpichov
> Implement access to side inputs from arbitrary code via PCollectionView.get().
> Not necessarily in scope of this bug: implement inference of which side inputs are needed
by detecting fields with a @SideInput annotation.

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