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https://issues.apache.org/jira/browse/ARROW-5489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913769#comment-16913769
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Wes McKinney commented on ARROW-5489:
-------------------------------------

I think kernels probably shouldn't support ChunkedArray at all unless there's a 
good kernel-specific reason. Dispatching kernels on chunked array would best be 
taken care of at a higher level (e.g. the "Data Frame" interface we've been 
discussing)

> [C++] Normalize kernels and ChunkedArray behavior
> -------------------------------------------------
>
>                 Key: ARROW-5489
>                 URL: https://issues.apache.org/jira/browse/ARROW-5489
>             Project: Apache Arrow
>          Issue Type: Improvement
>            Reporter: Francois Saint-Jacques
>            Priority: Major
>
> Some kernels (the wrappers, e.g. Unique) support ChunkedArray inputs, and 
> some don't. We should normalize this usage.



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