jorisvandenbossche commented on PR #36137:
URL: https://github.com/apache/arrow/pull/36137#issuecomment-1609666970

   Taking a quick look at some of the Python failures:
   
   - `test_write_error_deletes_incomplete_file`: I assume the test relied on 
parquet.write_table to raise an error because of nanosecods being present, and 
they would get truncated. So either we need to add something else that errors, 
or we can add `version="2.4"` to keep it using the older parquet version and 
thus it still errors
   - `test_timestamp_restore_timezone_nanosecond`: it is creating the expected 
result with microseconds, but now it comes back as nanoseconds. I think here we 
want to test explicitly that the timezone is preserved when the resolution 
changes, so I would also add a `version="2.4"` to keep the test as it was. But 
you could parametrize the test just above to use different resolutions (ms, us, 
ns) to cover all of them.
   - `test_parquet_version_timestamp_differences`: also needs to be updated 
because the `expected` now contains nanoseconds instead of microseconds (but 
there are some comments there that are a bit outdated it seems ..)


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