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https://issues.apache.org/jira/browse/BEAM-249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Halperin updated BEAM-249:
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Fix Version/s: 0.1.0-incubating
> Combine.GroupedValues re-wraps combineFn from Combine.PerKey and loses
> identity for DisplayData
> -----------------------------------------------------------------------------------------------
>
> Key: BEAM-249
> URL: https://issues.apache.org/jira/browse/BEAM-249
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Scott Wegner
> Assignee: Scott Wegner
> Priority: Minor
> Fix For: 0.1.0-incubating
>
>
> Combine.PerKey is implemented in terms of Combine.GroupedValues, but it
> passed as wrapped combineFn which gets re-wrapped in Combine.GroupedValues.
> As a result, we lose the identity of the original combineFn for display data.
> We should update the API to also pass the original identity downstream.
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