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Posted to issues@arrow.apache.org by "Benjamin Kietzman (JIRA)" <ji...@apache.org> on 2019/08/05 18:32:00 UTC

[jira] [Commented] (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=16900296#comment-16900296 ] 

Benjamin Kietzman commented on ARROW-772:
-----------------------------------------

Take against UnionArrays has been resolved: https://issues.apache.org/jira/browse/ARROW-5594

> [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
>            Priority: Major
>              Labels: Analytics, columnar-format-1.0
>             Fix For: 1.0.0
>
>
> 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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