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https://issues.apache.org/jira/browse/BEAM-6324?focusedWorklogId=193941&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-193941
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ASF GitHub Bot logged work on BEAM-6324:
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Author: ASF GitHub Bot
Created on: 04/Feb/19 09:23
Start Date: 04/Feb/19 09:23
Worklog Time Spent: 10m
Work Description: srfrnk commented on issue #7340: [BEAM-6324] -
Cassandra reader with query implemented
URL: https://github.com/apache/beam/pull/7340#issuecomment-460179074
So the main reason I avoided the UTest indeed was that it completely
bypasses using the CassandraServiceImpl which makes it imporssible to test the
query itself.
Regardless maybe we can pass that for now since I'm now working on making a
much larger change.
As a consequence of [Running a join on two Cassandra tables using
FlinkRunner fails
](https://issues.apache.org/jira/browse/BEAM-6289) it seems to me wiser to
update the way the Reader is implemented.
If you look at [this commit in the new-cassandra-read
branch](https://github.com/srfrnk/beam/commit/dc5cef04545f0baa27d61086e923cc66df26512c)
I've done a full rewrite of the Reader to use the new preferred way to write
Sources (e.g. as implemented in JDBCIO).
It's not yet ready but maybe that would be a better place to do the right
way for testing.
WDYT?
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Issue Time Tracking
-------------------
Worklog Id: (was: 193941)
Time Spent: 4h 10m (was: 4h)
> 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: 4h 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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