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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/12/16 17:59:00 UTC

[jira] [Updated] (ARROW-13310) [C++] Implement hash_aggregate mode kernel

     [ https://issues.apache.org/jira/browse/ARROW-13310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-13310:
-----------------------------------
    Fix Version/s: 8.0.0
                       (was: 7.0.0)

> [C++] Implement hash_aggregate mode kernel
> ------------------------------------------
>
>                 Key: ARROW-13310
>                 URL: https://issues.apache.org/jira/browse/ARROW-13310
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: David Li
>            Priority: Major
>              Labels: kernel
>             Fix For: 8.0.0
>
>
> Requires ARROW-12759.
> We have a scalar aggregate kernel for this already and hopefully the implementation can be reused. Note, Pandas actually doesn't expose this in DataFrameGroupBy.



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