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https://issues.apache.org/jira/browse/BEAM-3305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17368948#comment-17368948
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Robert Burke commented on BEAM-3305:
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Accidentally duplicated this as
https://issues.apache.org/jira/browse/BEAM-11099. Important context lifted,
though instead of a "magic method" the right move is probably as originally
suggested here.
> Consider: Go ViewFn support
> ---------------------------
>
> Key: BEAM-3305
> URL: https://issues.apache.org/jira/browse/BEAM-3305
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Henning Rohde
> Priority: P3
>
> We can add it as an optional field to beam.SideInput (see:
> pkg/beam/option.go). The execution side needs to support it as well. However,
> with the various side input forms, it's not clear how valuable such a feature
> would be.
> It is strongly recommended to add Map Side Inputs
> https://issues.apache.org/jira/browse/BEAM-3293 before implementing this
> suggestion, and required to have caching implemented
> https://issues.apache.org/jira/browse/BEAM-11097. Otherwise very little
> benefit is acheived.
> See https://issues.apache.org/jira/browse/BEAM-3293 for where code might need
> to be changed.
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