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Posted to issues@beam.apache.org by "Jan Lukavský (JIRA)" <ji...@apache.org> on 2019/06/12 13:58:00 UTC

[jira] [Assigned] (BEAM-7543) ReduceByKey.combineBy must accept BinaryFunction

     [ https://issues.apache.org/jira/browse/BEAM-7543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Lukavský reassigned BEAM-7543:
----------------------------------

    Assignee: Jan Lukavský

> ReduceByKey.combineBy must accept BinaryFunction<V, V, V>
> ---------------------------------------------------------
>
>                 Key: BEAM-7543
>                 URL: https://issues.apache.org/jira/browse/BEAM-7543
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-euphoria
>    Affects Versions: 2.13.0
>            Reporter: Jan Lukavský
>            Assignee: Jan Lukavský
>            Priority: Major
>
> When combing associative commutative function directly, the translation can be done more effectively, then when we have to resort to reducing Stream.



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