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From "Francis UPTON (JIRA)" <>
Subject [jira] [Commented] (BEAM-881) Provide a PTransform in IOs providing a "standard" Avro IndexedRecord
Date Wed, 02 Nov 2016 17:30:59 GMT


Francis UPTON commented on BEAM-881:

OK, I understand why you think it's an invasive change, and I do think it's best for the PTransforms
to be maintained with the IOs for obvious reasons. Having them be separate would create maintenance

> Provide a PTransform in IOs providing a "standard" Avro IndexedRecord
> ---------------------------------------------------------------------
>                 Key: BEAM-881
>                 URL:
>             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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