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https://issues.apache.org/jira/browse/BEAM-6324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16751950#comment-16751950
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Shahar Frank commented on BEAM-6324:
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Thanks [~kenn]. Maybe this helps. Regardless - this PR only is half way what
I'd like to have - it's a sort of workaround. The proper solution will require
using an updated Casandra Java Driver - [for which the PR was not
accepted|https://github.com/datastax/java-driver/pull/1163]. I wouldn't want
this PR to be the long-term solution so I can see no way around maintaining my
own repos of both projects. Besides I have some more issues with latest - e.g.
[Cassandra IO Reader not stack when doing a
Join|https://issues.apache.org/jira/browse/BEAM-6289] etc... which might prove
hard to merge as well.
> CassandraIO.Read - Add the ability to provide a filter to the query
> -------------------------------------------------------------------
>
> Key: BEAM-6324
> URL: https://issues.apache.org/jira/browse/BEAM-6324
> Project: Beam
> Issue Type: Improvement
> Components: io-java-cassandra
> Affects Versions: 2.9.0
> Reporter: Shahar Frank
> Assignee: Shahar Frank
> Priority: Major
> Labels: performance, pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> CassandraIO.Read doesn't support using WHERE to filter the input at the
> source (In Cassandra) which might provide great performance boost.
> Already implemented by:
> https://github.com/apache/beam/pull/7340
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