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https://issues.apache.org/jira/browse/BEAM-12795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17440058#comment-17440058
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Beam JIRA Bot commented on BEAM-12795:
--------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> 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
> Priority: P3
> Time Spent: 3h
> Remaining Estimate: 0h
>
> 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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