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Posted to issues@arrow.apache.org by "Davis Silverman (Jira)" <ji...@apache.org> on 2019/09/25 14:10:00 UTC

[jira] [Commented] (ARROW-6657) [Rust] [DataFusion] Implement COUNT aggregate expression

    [ https://issues.apache.org/jira/browse/ARROW-6657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937766#comment-16937766 ] 

Davis Silverman commented on ARROW-6657:
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Hi, I would be interested in completing this. I have it almost implemented, need to do null checking on the value at each row. Is the submit/review process documented anywhere? Thanks!

> [Rust] [DataFusion] Implement COUNT aggregate expression
> --------------------------------------------------------
>
>                 Key: ARROW-6657
>                 URL: https://issues.apache.org/jira/browse/ARROW-6657
>             Project: Apache Arrow
>          Issue Type: Sub-task
>            Reporter: Andy Grove
>            Priority: Major
>              Labels: beginner
>             Fix For: 1.0.0
>
>
> Implement COUNT aggregate expressions. See the SUM implementation for inspiration.



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