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Posted to issues@arrow.apache.org by "thisisnic (via GitHub)" <gi...@apache.org> on 2026/07/11 15:42:47 UTC

[I] [R] empty_named_list() uses deprecated .Names in structure() [arrow]

thisisnic opened a new issue, #50476:
URL: https://github.com/apache/arrow/issues/50476

   The fedora-r-clang nightly (R-devel) is failing with 268 test failures, all from the same cause: R-devel now deprecates using `.Names` as a special attribute name in `structure()`.
   
   The warning:
   
       Replacing special names '.Names' is deprecated; use 'names' instead.
   
   Source: https://github.com/apache/arrow/blob/2a526c1e623df0ce8b9b76b03d4d9c617d21fda1/r/R/util.R#L47
   
   ```r
   empty_named_list <- function() structure(list(), .Names = character(0))
   ```
   
   Fix is to replace `.Names` with `names`.
   
   Failing nightly: https://github.com/ursacomputing/crossbow/actions/runs/29068520086/job/86285065823
   
   This issue was drafted by Claude and reviewed by Nic Crane.


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Re: [I] [R] empty_named_list() uses deprecated .Names in structure() [arrow]

Posted by "jonkeane (via GitHub)" <gi...@apache.org>.

jonkeane commented on issue #50476:
URL: https://github.com/apache/arrow/issues/50476#issuecomment-4948299124

   Thanks for opening this — I came to do the same. We will need to make this change in our release too — just got an email from CRAN to correct this before 2026-07-25


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Re: [I] [R] empty_named_list() uses deprecated .Names in structure() [arrow]

Posted by "thisisnic (via GitHub)" <gi...@apache.org>.

thisisnic closed issue #50476: [R] empty_named_list() uses deprecated .Names in structure()
URL: https://github.com/apache/arrow/issues/50476


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Re: [I] [R] empty_named_list() uses deprecated .Names in structure() [arrow]

Posted by "thisisnic (via GitHub)" <gi...@apache.org>.

thisisnic commented on issue #50476:
URL: https://github.com/apache/arrow/issues/50476#issuecomment-4961355814

   Issue resolved by pull request 50485
   https://github.com/apache/arrow/pull/50485


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