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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-639) BigtableIO.Read: expose withStartKey/withEndKey
Date Mon, 19 Sep 2016 19:05:21 GMT


ASF GitHub Bot commented on BEAM-639:

GitHub user dhalperi opened a pull request:

    [BEAM-639] BigtableIO: add support for users to scan table subranges

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

    $ git pull bigtable-key-setters

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 #969
commit 9796ae1ec09cd299cacd71ff80232bcf58f45cbd
Author: Dan Halperin <>
Date:   2016-09-19T18:54:07Z

    [BEAM-639] BigtableIO: add support for users to scan table subranges


> BigtableIO.Read: expose withStartKey/withEndKey
> -----------------------------------------------
>                 Key: BEAM-639
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-gcp
>            Reporter: Daniel Halperin
>            Assignee: Daniel Halperin
>            Priority: Minor
> BigtableIO.Read takes a table and a filter, but does not let the user customize the row
range. If a user wants to scan a relatively narrow range, they can do it by specifying a filter
("starts with abcd") or ("less than abcd"), but under the hood Cloud Bigtable will implement
this as a full table scan -> filter instead of a narrower scan.
> We should expose these setters publicly so that users can implement row scans directly.

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