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https://issues.apache.org/jira/browse/ARROW-15571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17487143#comment-17487143
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David Li commented on ARROW-15571:
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Min/max are available as aggregations:
[https://arrow.apache.org/docs/dev/cpp/compute.html#aggregations] and there are
also element-wise min/max:
[https://arrow.apache.org/docs/dev/cpp/compute.html#comparisons]
Square root is indeed not available, though power is:
[https://arrow.apache.org/docs/dev/cpp/compute.html#arithmetic-functions]
(presumably, a dedicated sqrt would be faster, though)
> [C++] Add min/max/sqrt scalar kernels to execution engine
> ---------------------------------------------------------
>
> Key: ARROW-15571
> URL: https://issues.apache.org/jira/browse/ARROW-15571
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Yaron Gvili
> Priority: Major
>
> The list of execution engine's scalar kernels currently available in
> `cpp/src/arrow/compute/kernels/scalar_arithmetic.cc` does not cover the
> common minimum, maximum, and square-root functions.
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