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https://issues.apache.org/jira/browse/BEAM-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15629704#comment-15629704
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Daniel Halperin edited comment on BEAM-881 at 11/2/16 5:23 PM:
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If it is a required part of every IO, aka a change to the IO spec, it's an
invasive change.
If it's a separate module that has a sole author (+voluntary contributions)
that produces these companion transforms as desired for IOs, fine. But it will
be a separate module, not part of the core. In other words, the title "Provide
a PTransform in IOs" needs to be changed to "provide a library for standard
interoperability that supports every IO".
was (Author: dhalp...@google.com):
If it is a required part of every IO, aka a change to the IO spec, it's an
invasive change.
If it's a separate module that has a sole author that produces these companion
transforms as desired for IOs, fine. But it will be a separate module, not part
of the core. In other words, the title "Provide a PTransform in IOs" needs to
be changed to "provide a library for standard interoperability that supports
every IO".
> Provide a PTransform in IOs providing a "standard" Avro IndexedRecord
> ---------------------------------------------------------------------
>
> Key: BEAM-881
> URL: https://issues.apache.org/jira/browse/BEAM-881
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-extensions
> Reporter: Jean-Baptiste Onofré
> Assignee: Jean-Baptiste Onofré
>
> Now, each IO is using a different data format. For instance, the
> {{JmsIO.Read}} provides a {{PCollection}} of {{JmsRecord}} (and
> {{JmsIO.Write}} expects also a {{JmsRecord}}), {{KafkaIO.Read}} provides a
> {{PCollection}} of {{KafkaRecord}}.
> It could appear a bit "complex" for users to manipulate such kind of data
> format: some users may expect kind of standard format.
> Without modifying the existing IO, we could add a {{PTransform}} (as part of
> the IO) that an user can optionally use. This transform will convert the IO
> data format (let say {{JmsRecord}} for instance) to a standard Avro
> {{IndexedRecord}}.
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