Kenneth Knowles commented on BEAM-3758:
The status appears to be that a Create in streaming is overridden for Dataflow
but not otherwise (not batch, not other runners, not other sources).
> Migrate Python SDK Read transform to be Impulse->SDF
> Key: BEAM-3758
> URL: https://issues.apache.org/jira/browse/BEAM-3758
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
>Reporter: Kenneth Knowles
>Assignee: Kenneth Knowles
> Currently, Read is the "primitive" even though portability doesn't even have
> the concept. Anyhow at least the DataflowRunner should override it to be
> impulse, since the service requires this.
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