paleolimbot opened a new issue, #38293:
URL: https://github.com/apache/arrow/issues/38293

   ### Describe the bug, including details regarding any error messages, 
version, and platform.
   
   With duckdb 0.9.1 we now see:
   
   ```
   
   ── Failure (test-duckdb.R:243:3): to_duckdb with a table 
───────────────────────
   ... %>% collect() (`actual`) not identical to tibble::tibble(...) 
(`expected`).
   
   actual vs expected
                   int > 4 int_mean dbl_mean
     actual[1, ]     FALSE      2.0      2.1
   - actual[2, ]      TRUE      7.5      7.3
   + expected[2, ]      NA       NA      4.1
   - actual[3, ]        NA       NA      4.1
   + expected[3, ]    TRUE      7.5      7.3
   
   `actual$int > 4`:   FALSE TRUE <NA>
   `expected$int > 4`: FALSE <NA> TRUE
   
     `actual$int_mean`: 2  8 NA
   `expected$int_mean`: 2 NA  8
   
     `actual$dbl_mean`: 2 7 4
   `expected$dbl_mean`: 2 4 7
   ```
   
   I will do a few more investigations to see if this is an arrow problem 
exposed via a duckdb update or a duckdb problem.
   
   ### Component(s)
   
   R


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