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https://issues.apache.org/jira/browse/BEAM-639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15504349#comment-15504349
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ASF GitHub Bot commented on BEAM-639:
-------------------------------------

GitHub user dhalperi opened a pull request:

    https://github.com/apache/incubator-beam/pull/969

    [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 https://github.com/dhalperi/incubator-beam bigtable-key-setters

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

    https://github.com/apache/incubator-beam/pull/969.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 #969
    
----
commit 9796ae1ec09cd299cacd71ff80232bcf58f45cbd
Author: Dan Halperin <dhalp...@google.com>
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: https://issues.apache.org/jira/browse/BEAM-639
>             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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