thisisnic commented on issue #34965:
URL: https://github.com/apache/arrow/issues/34965#issuecomment-1505254724
> Is it feasible to implement?
We can absolutely open up a C++ ticket, and see if anyone has time to work
on it.
Another thing which is tangentially related, but may help is #35035 which
would make it easier to rename all fields in a schema in one go. It doesn't
solve the problem but could lead to a faster workaround once you have the
existing schema.
A faster way of extracting the existing schema, would be to use
`readr::read_csv()` which can limit the number of lines to read and works
really quickly, e.g.
```
one_row <- readr::read_csv(file_location, n_max = 1) %>%
arrow_table(as_data_frame = FALSE)
one_row$schema
```
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