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https://issues.apache.org/jira/browse/ARROW-3750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682990#comment-16682990
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Wes McKinney commented on ARROW-3750:
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Methods would need to be added to the Cython extension types to give the memory
address of the smart pointer object they contain
> [R] Pass various wrapped Arrow objects created in Python into R with zero
> copy via reticulate
> ---------------------------------------------------------------------------------------------
>
> Key: ARROW-3750
> URL: https://issues.apache.org/jira/browse/ARROW-3750
> Project: Apache Arrow
> Issue Type: New Feature
> Components: R
> Reporter: Wes McKinney
> Priority: Major
>
> A user may wish to use some functionality available only in pyarrow using
> reticulate; it would be useful to be able to construct an R wrapper object to
> the C++ object inside the corresponding Python type, e.g. {{pyarrow.Table}}.
> This probably will require some new functions to return the memory address of
> the shared_ptr/unique_ptr inside the Cython types so that a function on the R
> side can copy the smart pointer and create the corresponding R wrapper type
> cc [~pitrou]
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