AlenkaF commented on pull request #12178:
URL: https://github.com/apache/arrow/pull/12178#issuecomment-1018467474
@jorisvandenbossche Looking at the docstrings for the `types_mapper` I think
item 1) from your list should test if `None` is added in the mapping function,
then the default conversion is used. For example: `types_mapper = {pa.int8():
None}.get`.
> The function receives a pyarrow DataType and is expected to return a
pandas ExtensionDtype or None if the default conversion should be used for that
type.
Is that what you meant?
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