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From tgroh <...@git.apache.org>
Subject [GitHub] beam pull request #3303: [BEAM-2364] Expand all PValues to component PCollec...
Date Tue, 06 Jun 2017 17:29:39 GMT
GitHub user tgroh opened a pull request:

    https://github.com/apache/beam/pull/3303

    [BEAM-2364] Expand all PValues to component PCollections always

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [ ] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [ ] Make sure tests pass via `mvn clean verify`.
     - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [ ] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.pdf).
    
    ---
    Update the implementation of WriteView
    
    The PCollectionView is constructed within the composite override, but
    WriteView just produces a primitive PCollection which has no consumers.
    Track the ViewWriter within the Direct Runner, and utilize that
    transform rather than the producer to update PCollection Watermarks.
    
    Remove most Flink View overrides. All of the overrides are materially
    identical within the flink runner, so use a single override to replace
    all of them.

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

    $ git pull https://github.com/tgroh/beam direct_write_view_as_primitive_again

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

    https://github.com/apache/beam/pull/3303.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 #3303
    
----
commit 812f83e676a7d67e06829784c396911935b233ff
Author: Thomas Groh <tgroh@google.com>
Date:   2017-06-02T01:39:58Z

    Expand all PValues to component PCollections always
    
    Update the implementation of WriteView
    
    The PCollectionView is constructed within the composite override, but
    WriteView just produces a primitive PCollection which has no consumers.
    Track the ViewWriter within the Direct Runner, and utilize that
    transform rather than the producer to update PCollection Watermarks.
    
    Remove most Flink View overrides. All of the overrides are materially
    identical within the flink runner, so use a single override to replace
    all of them.

----


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