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Posted to jira@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/09/10 13:54:00 UTC

[jira] [Commented] (ARROW-13502) [R] Bindings for min/max aggregation

    [ https://issues.apache.org/jira/browse/ARROW-13502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17413196#comment-17413196 ] 

Ian Cook commented on ARROW-13502:
----------------------------------

[~npr] is this blocked by lack of an Arrow C++ compute kernel that extracts an array from an array of struct by name?

> [R] Bindings for min/max aggregation
> ------------------------------------
>
>                 Key: ARROW-13502
>                 URL: https://issues.apache.org/jira/browse/ARROW-13502
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: R
>            Reporter: Neal Richardson
>            Assignee: Neal Richardson
>            Priority: Critical
>              Labels: query-engine
>             Fix For: 6.0.0
>
>
> This one is tricky because the arrow function is min_max, which returns a struct(min, max). So how do we translate that back to what the user asked for if they want just min or max?



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