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Posted to jira@arrow.apache.org by "Dewey Dunnington (Jira)" <ji...@apache.org> on 2022/12/14 16:36:00 UTC

[jira] [Resolved] (ARROW-17054) [R] Creating an Array from an object bigger than 2^31 results in an Array of length 0

     [ https://issues.apache.org/jira/browse/ARROW-17054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dewey Dunnington resolved ARROW-17054.
--------------------------------------
    Resolution: Fixed

Issue resolved by pull request 14929
https://github.com/apache/arrow/pull/14929

> [R] Creating an Array from an object bigger than 2^31 results in an Array of length 0
> -------------------------------------------------------------------------------------
>
>                 Key: ARROW-17054
>                 URL: https://issues.apache.org/jira/browse/ARROW-17054
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: R
>            Reporter: Nicola Crane
>            Assignee: Dewey Dunnington
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 11.0.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Apologies for the lack of proper reprex but it crashes my session when I try to make one.
> I'm working on ARROW-16977 which is all about the reporting of object size having integer overflow issues, but this affects object creation.
> {code:r}
> library(arrow, warn.conflicts = TRUE)
> # works - creates a huge array, hurrah
> big_logical <- vector(mode = "logical", length = .Machine$integer.max)
> big_logical_array <- Array$create(big_logical)
> length(big_logical)
> ## [1] 2147483647
> length(big_logical_array)
> ## [1] 2147483647
> # creates an array of length 0, boo!
> too_big <- vector(mode = "logical", length = .Machine$integer.max + 1) too_big_array <- Array$create(too_big)
> length(too_big)
> ## [1] 2147483648
> length(too_big_array)
> ## [1] 0
>  {code}



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