jorisvandenbossche commented on a change in pull request #10224:
URL: https://github.com/apache/arrow/pull/10224#discussion_r625078445
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File path: python/pyarrow/dataset.py
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@@ -733,19 +733,17 @@ def write_dataset(data, base_dir, basename_template=None,
format=None,
"""
from pyarrow.fs import _resolve_filesystem_and_path
- if isinstance(data, Dataset):
- schema = schema or data.schema
Review comment:
We are extracting the `schema` here, but this is not actually used any
more, if the user passes a Dataset or Scanner.
This should be better documented, but to avoid surprises, could also error
in that case? (or only if the schema's are not equal)
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