[jira] [Updated] (ARROW-3750) [R] Pass various wrapped Arrow objects created in Python into R with zero copy via reticulate

["Neal Richardson (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-3750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neal Richardson updated ARROW-3750:
-----------------------------------
    Fix Version/s: 0.15.0

> [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
>             Fix For: 0.15.0
>
>
> 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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