jorisvandenbossche commented on code in PR #51151:
URL: https://github.com/apache/arrow/pull/51151#discussion_r3924881092
##########
python/pyarrow/parquet/core.py:
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@@ -1592,13 +1593,12 @@ def read(self, columns=None, use_threads=True,
use_pandas_metadata=False):
use_threads=use_threads
)
- # if use_pandas_metadata, restore the pandas metadata (which gets
- # lost if doing a specific `columns` selection in to_table)
- if use_pandas_metadata:
- if metadata and b"pandas" in metadata:
Review Comment:
If `metadata` would come from `metadata = self.schema.metadata`, it means it
already had a "pandas" key, and there is no need to add it back here
(`to_table()` does not (or no longer) loose the metadata)
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