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Posted to issues@beam.apache.org by "Robert Burke (JIRA)" <ji...@apache.org> on 2019/01/15 20:18:00 UTC

[jira] [Assigned] (BEAM-4472) Go SDK - Rewrite top.go accumulator to be encodable.

     [ https://issues.apache.org/jira/browse/BEAM-4472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Burke reassigned BEAM-4472:
----------------------------------

    Assignee: Robert Burke

> Go SDK - Rewrite top.go accumulator to be encodable.
> ----------------------------------------------------
>
>                 Key: BEAM-4472
>                 URL: https://issues.apache.org/jira/browse/BEAM-4472
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-go
>            Reporter: Robert Burke
>            Assignee: Robert Burke
>            Priority: Major
>
> Related to, but does not require, BEAM-4276 to be completed first.
> An unencodable accumulator type prevents the Top combination from being lifted, as in a lifted combine, the accumulator type is used in a GBK.
> The accumulator type current contains a field of []interface{} which is not an encodable type.
> Ideally, such an implementation will not constantly decode > process element > reencode when processing elements for comparison.



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