[jira] [Commented] (ARROW-6982) [R] Add bindings for compare and boolean kernels

["Wes McKinney (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-6982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17116218#comment-17116218 ] 

Wes McKinney commented on ARROW-6982:
-------------------------------------

Like ARROW-6978, wrapping {{CallFunction}} would allow dynamic invocation of any kernel from R

> [R] Add bindings for compare and boolean kernels
> ------------------------------------------------
>
>                 Key: ARROW-6982
>                 URL: https://issues.apache.org/jira/browse/ARROW-6982
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Neal Richardson
>            Assignee: Romain Francois
>            Priority: Major
>
> See cpp/src/arrow/compute/kernels/compare.h and boolean.h. ARROW-6980 introduces an Expression class that works on Arrow Arrays, but to evaluate the expressions, it has to pull the data into R first. This would enable us to do the work in C++ and only pull in the result.



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