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https://issues.apache.org/jira/browse/BEAM-6324?focusedWorklogId=189924&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-189924
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ASF GitHub Bot logged work on BEAM-6324:
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Author: ASF GitHub Bot
Created on: 25/Jan/19 09:56
Start Date: 25/Jan/19 09:56
Worklog Time Spent: 10m
Work Description: echauchot commented on issue #7340: [BEAM-6324] -
Cassandra reader with query implemented
URL: https://github.com/apache/beam/pull/7340#issuecomment-457518885
Another general comment (I leave detailed review to Tim as he already
started) : IIRC you cannot filter with WHERE clause on Cassandra unless the
column on which you filter is either a clustering column or a primary column.
So you need to check this before doing a push down predicate.
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Issue Time Tracking
-------------------
Worklog Id: (was: 189924)
Time Spent: 1.5h (was: 1h 20m)
> 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: 1.5h
> 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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