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Posted to commits@beam.apache.org by "Scott Wegner (JIRA)" <ji...@apache.org> on 2016/05/02 20:26:13 UTC
[jira] [Created] (BEAM-249) Combine.GroupedValues re-wraps
combineFn from Combine.PerKey and loses identity for DisplayData
Scott Wegner created BEAM-249:
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Summary: 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: Davor Bonaci
Priority: Minor
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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