pitrou commented on a change in pull request #12584:
URL: https://github.com/apache/arrow/pull/12584#discussion_r823591435
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File path: python/pyarrow/parquet.py
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@@ -2006,6 +2007,12 @@ def read_table(source, columns=None, use_threads=True,
metadata=None,
return dataset.read(columns=columns, use_threads=use_threads,
use_pandas_metadata=use_pandas_metadata)
+ warnings.warn(
+ "Passing 'use_legacy_dataset=True' to get the legacy behaviour is "
+ "deprecated as of pyarrow 8.0.0, and the legacy implementation will "
+ "be removed in a future version.",
+ DeprecationWarning, stacklevel=2)
Review comment:
Do we want to use DeprecationWarning or FutureWarning?
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