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https://issues.apache.org/jira/browse/AVRO-652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting updated AVRO-652:
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Status: Resolved (was: Patch Available)
Hadoop Flags: [Reviewed]
Assignee: Stu Hood
Resolution: Fixed
I just committed this. Thanks, Stu!
> Expose sync points in DataFileReader
> ------------------------------------
>
> Key: AVRO-652
> URL: https://issues.apache.org/jira/browse/AVRO-652
> Project: Avro
> Issue Type: Bug
> Components: java
> Reporter: Stu Hood
> Assignee: Stu Hood
> Priority: Minor
> Fix For: 1.4.0
>
> Attachments:
> 0001-Add-previousSync-method-for-sync-point-discovery-and.patch
>
>
> DataFileReader.blockStart is hidden from the caller, but exposing it (as
> readonly) would allow callers to discover sync points in a file by watching
> it for changes.
> seek(long) only takes an exact block boundary, while sync(long) moves to the
> next block boundary. There does not appear to be a way to rediscover points
> that you can seek() to, which would be very useful for building or recovering
> an index for a file.
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