[jira] [Resolved] (ARROW-10345) [C++] NaN breaks sorting

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-10345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou resolved ARROW-10345.
------------------------------------
    Resolution: Fixed

Issue resolved by pull request 8623
[https://github.com/apache/arrow/pull/8623]

> [C++] NaN breaks sorting
> ------------------------
>
>                 Key: ARROW-10345
>                 URL: https://issues.apache.org/jira/browse/ARROW-10345
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 2.0.0
>            Reporter: Antoine Pitrou
>            Assignee: Yibo Cai
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 3h 20m
>  Remaining Estimate: 0h
>
> {code:python}
> >>> import numpy as np
> >>> import pyarrow.compute as pc
> >>> pc.sort_indices([3.0, 4.0, 1.0, 2.0, None])
> <pyarrow.lib.UInt64Array object at 0x7f78368a0c90>
> [
>   2,
>   3,
>   0,
>   1,
>   4
> ]
> >>> pc.sort_indices([3.0, 4.0, np.nan, 1.0, 2.0, None])
> <pyarrow.lib.UInt64Array object at 0x7f783684bf30>
> [
>   0,
>   1,
>   2,
>   3,
>   4,
>   5
> ]
> {code}



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