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https://issues.apache.org/jira/browse/ARROW-11950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Kietzman resolved ARROW-11950.
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Resolution: Fixed
Issue resolved by pull request 10113
[https://github.com/apache/arrow/pull/10113]
> [C++][Compute] Add unary negative kernel
> ----------------------------------------
>
> Key: ARROW-11950
> URL: https://issues.apache.org/jira/browse/ARROW-11950
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Neal Richardson
> Assignee: Eduardo Ponce
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> Related to ARROW-11945. So that you can have an expression like {{-col}}. You
> can approximate this with doing {{0 - col}}, but I would guess it could be
> done more efficiently.
> cc [~bkietz]
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