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https://issues.apache.org/jira/browse/ARROW-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Saint-Jacques updated ARROW-1566:
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Description: The output of such operator would be a permutation vector that
if applied to a column, would result in the data being sorted like requested.
This is similar to numpy's argsort functionality.
Summary: [C++] Implement non-materializing sort kernels (was: [C++]
Implement "argsort" kernels that use mergesort to compute sorting indices)
> [C++] Implement non-materializing sort kernels
> ----------------------------------------------
>
> Key: ARROW-1566
> URL: https://issues.apache.org/jira/browse/ARROW-1566
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: Analytics
>
> The output of such operator would be a permutation vector that if applied to
> a column, would result in the data being sorted like requested. This is
> similar to numpy's argsort functionality.
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