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Posted to issues@arrow.apache.org by "Jingyuan Wang (JIRA)" <ji...@apache.org> on 2018/01/25 21:35:00 UTC

[jira] [Comment Edited] (ARROW-772) [C++] Implement take kernel functions

    [ https://issues.apache.org/jira/browse/ARROW-772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16340119#comment-16340119 ] 

Jingyuan Wang edited comment on ARROW-772 at 1/25/18 9:34 PM:
--------------------------------------------------------------

I'll take a stab at this one and get familiar with c++ code.


was (Author: alphalfalfa):
I'll take a stab at this one.

> [C++] Implement take kernel functions
> -------------------------------------
>
>                 Key: ARROW-772
>                 URL: https://issues.apache.org/jira/browse/ARROW-772
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Jingyuan Wang
>            Priority: Major
>              Labels: Analytics
>             Fix For: 0.9.0
>
>
> Among other things, this can be used to convert from DictionaryArray back to dense array. This is equivalent to {{ndarray.take}} in NumPy



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