[jira] [Commented] (BEAM-12795) KVs should not be needed when using schemas

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-12795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17440058#comment-17440058 ] 

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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