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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2292) PCollection as a Table
Date Sun, 14 May 2017 20:29:04 GMT


ASF GitHub Bot commented on BEAM-2292:

GitHub user XuMingmin opened a pull request:

    [BEAM-2292] PCollection as a Table

    add BeamPCollectionTable to create table from PCollection<BeamSQLRow>
    Note that it changes the interface of `BaseBeamTable`, as a `BeamPCollectionTable` doesn't
start from `PBegin`, return `PCollection<BeamSQLRow>` is more clear:
    -  public abstract PTransform<? super PBegin, PCollection<BeamSQLRow>> buildIOReader();
    +  public abstract PCollection<BeamSQLRow> buildIOReader(Pipeline pipeline);

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

    $ git pull BEAM-2292

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 #3138
commit 148e0b30cf1a7e6be3ddb1fd75f4e4265090d708
Author: mingmxu <>
Date:   2017-05-14T20:22:30Z

    add BeamPCollectionTable to create table from PCollection<BeamSQLRow>


> PCollection as a Table
> ----------------------
>                 Key: BEAM-2292
>                 URL:
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
> To support method {{registerPCollectionAsTable}} in BeamSQL DSL.
> This feature makes it possible to break down a complex query into several sub-queries,
and assemble it by developers. 

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