Daniel Halperin updated BEAM-639:
    Summary: BigtableIO.Read: support for user specified row range  (was: 
BigtableIO.Read: expose withStartKey/withEndKey)

> BigtableIO.Read: support for user specified row range
> -----------------------------------------------------
>                 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
>             Fix For: 0.3.0-incubating
> 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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