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https://issues.apache.org/jira/browse/BEAM-3485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16437245#comment-16437245
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Alexey Romanenko commented on BEAM-3485:
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[~adejanovski] Thank you for working on this. I assume that your PR fixes other 
two issues as well - BEAM-3424 and BEAM-3425. Is it correct?

> CassandraIO.read() splitting produces invalid queries
> -----------------------------------------------------
>
>                 Key: BEAM-3485
>                 URL: https://issues.apache.org/jira/browse/BEAM-3485
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-cassandra
>            Reporter: Eugene Kirpichov
>            Assignee: Alexey Romanenko
>            Priority: Major
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> See 
> [https://stackoverflow.com/questions/48090668/how-to-increase-dataflow-read-parallelism-from-cassandra/48131264?noredirect=1#comment83548442_48131264]
> As the question author points out, the error is likely that token($pk) should 
> be token(pk). This was likely masked by BEAM-3424 and BEAM-3425, and the 
> splitting code path effectively was never invoked, and was broken from the 
> first PR - so there are likely other bugs.
> When testing this issue, we must ensure good code coverage in an IT against a 
> real Cassandra instance.



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