Reuven Lax created BEAM-12795:
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Summary: KVs should not be needed when using schemas
Key: BEAM-12795
URL: https://issues.apache.org/jira/browse/BEAM-12795
Project: Beam
Issue Type: New Feature
Components: sdk-java-core
Reporter: Reuven Lax
When using schemas there should be no need to require a KV, as any. key or keys
can be act as the K or a V in a KV. Users can use schemas without the need for
KV in all cases except for state/timers DoFns, which today require that the
input have type KV. We would like to eliminate this requirement. Users should
be able to specify a key field extraction in their ParDo, e.g.
ParDo.of(...).withKeyFields("user.location.city"));
Or in the DoFn itself.
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