westonpace commented on pull request #11106:
URL: https://github.com/apache/arrow/pull/11106#issuecomment-915663195
CC @jorisvandenbossche
Also, I noticed another potential con: we do mention UUID in the pyarrow
extension type examples. If uuid was accepted that might weaken that example.
However, the extension type example supports round trip.
The original StackOverflow issue could almost be solved by an extension type
except:
* There is no way to tie an extension type into the inference logic
The issue could also almost be solved by a pandas UUID extension type except
pandas read_sql_query supports dtype but not a type-mapping mechanism that
would allow a pandas UUID extension type to automatically be used if the column
type was UUID.
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