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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/04/09 10:20:00 UTC

[jira] [Commented] (ARROW-3134) [C++] Implement n-ary iterator for a collection of chunked arrays with possibly different chunking layouts

    [ https://issues.apache.org/jira/browse/ARROW-3134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17079161#comment-17079161 ] 

Antoine Pitrou commented on ARROW-3134:
---------------------------------------

Not n-ary, but we have {{ApplyBinaryChunked}} now.

> [C++] Implement n-ary iterator for a collection of chunked arrays with possibly different chunking layouts
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-3134
>                 URL: https://issues.apache.org/jira/browse/ARROW-3134
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>              Labels: dataframe
>
> This is a common pattern that will result in kernel invocation on chunked arrays



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