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https://issues.apache.org/jira/browse/ARROW-7313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-7313:
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Fix Version/s: (was: 0.16.0)
> [C++] Add function for retrieving a scalar from an array slot
> -------------------------------------------------------------
>
> Key: ARROW-7313
> URL: https://issues.apache.org/jira/browse/ARROW-7313
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.15.1
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
>
> It'd be useful to construct scalar values given an array and an index.
> {code}
> /* static */ std::shared_ptr<Scalar> Scalar::FromArray(const Array&, int64_t);
> {code}
> Since this is much less efficient than unboxing the entire array and
> accessing its buffers directly, it should not be used in hot loops.
> [~kszucs] [~fsaintjacques]
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