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https://issues.apache.org/jira/browse/BEAM-6861?focusedWorklogId=216289&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-216289
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ASF GitHub Bot logged work on BEAM-6861:
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Author: ASF GitHub Bot
Created on: 20/Mar/19 16:06
Start Date: 20/Mar/19 16:06
Worklog Time Spent: 10m
Work Description: stankiewicz commented on issue #8090: [BEAM-6861]
Select fields and computed fields in CassandraIO.Read
URL: https://github.com/apache/beam/pull/8090#issuecomment-474904229
ok, @iemejia, I've done the change. Still I fill it's not perfect with this
$CONDTITONS part but I don't find more ellegant way.
In JdbcIO it's not there causing IO to be not scalable across many machines
- one worker is doing the query. In Sqoop it was possible to split it based on
same mechanism like in CassandraIO but for custom query it required the trick
with $CONDTITONS.
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Issue Time Tracking
-------------------
Worklog Id: (was: 216289)
Time Spent: 3h 40m (was: 3.5h)
> Select fields and computed fields in CassandraIO.Read
> ------------------------------------------------------
>
> Key: BEAM-6861
> URL: https://issues.apache.org/jira/browse/BEAM-6861
> Project: Beam
> Issue Type: Improvement
> Components: io-java-cassandra
> Reporter: Radosław Stankiewicz
> Assignee: Radosław Stankiewicz
> Priority: Minor
> Labels: features
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> CassandraIO.Read currently selects all fields and maps them to POJO.
> To make this component more flexible, it should be possible to select only
> subset of fields or computed fields to allow reading things like write
> Timestamp or using other functions.
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