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https://issues.apache.org/jira/browse/ARROW-12063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou updated ARROW-12063:
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Fix Version/s: 5.0.0
> [C++] Add nulls position option to sort functions
> -------------------------------------------------
>
> Key: ARROW-12063
> URL: https://issues.apache.org/jira/browse/ARROW-12063
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 3.0.0
> Reporter: Ian Cook
> Priority: Major
> Fix For: 5.0.0
>
>
> Currently in the [sort
> functions|https://arrow.apache.org/docs/cpp/compute.html#sorts-and-partitions],
> nulls are considered greater than any other value and are sorted at the the
> end of the array. Add an option to enable users to sort nulls at the
> beginning if they wish. This option is common in analytic data systems, e.g.
> SQL {{NULLS FIRST}} and {{NULLS LAST}}, pandas {{na_position}}, R {{na.last}}.
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