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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2022/06/03 19:33:00 UTC

[jira] [Commented] (BEAM-3722) UNION should be implemented via flatten & distinct

    [ https://issues.apache.org/jira/browse/BEAM-3722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17546804#comment-17546804 ] 

Kenneth Knowles commented on BEAM-3722:
---------------------------------------

This issue has been migrated to https://github.com/apache/beam/issues/18635

> UNION should be implemented via flatten & distinct
> --------------------------------------------------
>
>                 Key: BEAM-3722
>                 URL: https://issues.apache.org/jira/browse/BEAM-3722
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Kenneth Knowles
>            Priority: P3
>
> Currently, UNION is implemented as a set operator via CoGroupByKey when a flatten + distinct will suffice. This also will be compatible with more types of triggers.



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