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From kennknowles <>
Subject [GitHub] incubator-beam pull request #471: [BEAM-336] (roll forward) Base Passert on ...
Date Wed, 15 Jun 2016 18:28:43 GMT
GitHub user kennknowles opened a pull request:

    [BEAM-336] (roll forward) Base Passert on GroupByKey

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [x] Replace `<Jira issue #>` in the title with the actual Jira issue
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     - [x] If this contribution is large, please file an Apache
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You can merge this pull request into a Git repository by running:

    $ git pull PAssert-roll-forward

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 #471
commit 591db6f0a45b6565bdfe554dd09a2768e68a1eb9
Author: Kenneth Knowles <>
Date:   2016-06-15T17:42:59Z

    [Spark] Elide assigning windows when WindowFn is null
    Previously, when translating a Window.Bound transform, the case
    where the WindowFn was null was missed, resulting in a

commit eba9ddf2538d37f2c5a8875a37d9f9721ee34ea1
Author: Kenneth Knowles <>
Date:   2016-06-08T22:07:52Z

    Roll-forwards: Base PAssert on GBK instead of side inputs
    Previously PAssert - hence all RunnableOnService/NeedsRunner
    tests - required side input support. This created a very steep
    on ramp for new runners.
    GroupByKey is a bit more fundamental and most backends will be
    able to group by key in the global window very quickly. So switching
    the primitive used to gather all the contents of a PCollection for
    assertions should make it a bit easier to get early feedback during
    runner development.


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