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https://issues.apache.org/jira/browse/ARROW-6124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932740#comment-16932740
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Wes McKinney commented on ARROW-6124:
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In general I would like to see a mergesort implementation at some point that
isn't leaning on these crutches
> [C++] ArgSort kernel should sort in a single pass (with nulls)
> --------------------------------------------------------------
>
> Key: ARROW-6124
> URL: https://issues.apache.org/jira/browse/ARROW-6124
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.15.0
> Reporter: Francois Saint-Jacques
> Priority: Minor
> Fix For: 2.0.0
>
>
> There's a good chance that merge sort must be implemented (spill to disk,
> ChunkedArray, ...)
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