Luke Cwik created BEAM-7508:
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Summary: Expose the current key to the CombineFn
Key: BEAM-7508
URL: https://issues.apache.org/jira/browse/BEAM-7508
Project: Beam
Issue Type: Improvement
Components: sdk-ideas
Reporter: Luke Cwik
One can not currently access the key during combining. Having access to the key
can be useful during various phases.
There is a less then ideal workaround where the user embeds the key within the
value turning the combiner over *<K, V>* into a combiner over *<K, <K, V>>*.
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