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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2019/09/17 16:17:00 UTC

[jira] [Commented] (ARROW-5022) [C++] Implement more "Datum" types for AggregateKernel

    [ https://issues.apache.org/jira/browse/ARROW-5022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931613#comment-16931613 ] 

Antoine Pitrou commented on ARROW-5022:
---------------------------------------

The query engine will have to decide based on the specifics of each kernel, though. Since it's kernel-specific, perhaps it can be implemented in the kernel just as well (at least for the chunked array variant).

> [C++] Implement more "Datum" types for AggregateKernel
> ------------------------------------------------------
>
>                 Key: ARROW-5022
>                 URL: https://issues.apache.org/jira/browse/ARROW-5022
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Philipp Moritz
>            Priority: Major
>
> Currently it gives the following error if the datum isn't an array:
> {code:java}
> AggregateKernel expects Array datum{code}



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