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https://issues.apache.org/jira/browse/ARROW-9140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson resolved ARROW-9140.
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Resolution: Fixed
Issue resolved by pull request 10445
[https://github.com/apache/arrow/pull/10445]
> [R] Zero-copy Arrow to R where possible
> ---------------------------------------
>
> Key: ARROW-9140
> URL: https://issues.apache.org/jira/browse/ARROW-9140
> Project: Apache Arrow
> Issue Type: New Feature
> Components: R
> Reporter: Neal Richardson
> Assignee: Romain Francois
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> In a few cases, such as {{int32}} and {{float64}}, where there are no nulls
> (or nulls allowed, if ARROW-8348/ARROW-3263 happen), we should be able to
> ingest data from Arrow to R with zero copy. But from my reading of the
> source, we always allocate memory, and even in the simple cases, we always
> [transform|https://github.com/apache/arrow/blob/efb707a5438380dcef78418668b57c3f60592a23/r/src/array_to_vector.cpp#L130]
> the data.
> cc [~romainfrancois] [~fsaintjacques]
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