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https://issues.apache.org/jira/browse/BEAM-6861?focusedWorklogId=216369&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-216369
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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 18:04
Start Date: 20/Mar/19 18:04
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-474962082
Hi @srfrnk!
I don't like the idea of forking driver as we will end up maintaining it.
I haven't thought about it but I like the idea of programmatic generation of
query instead of doing String joins and formats. Challenge here is what we want
to expose instead of withWhere() or withQuery() - withQueryBuilder()? If yes it
would be nice alternative because we can then just add key ranges dynamically.
But then the challenge is how to support value provider for it.
If we figure out serialisation then we can clean this up a little bit. In
the meantime I would try to merge this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 216369)
Time Spent: 4h (was: 3h 50m)
> 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: 4h
> 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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