milesgranger commented on code in PR #14011:
URL: https://github.com/apache/arrow/pull/14011#discussion_r962752544
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python/pyarrow/parquet/core.py:
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@@ -2338,9 +2340,10 @@ def __init__(self, path_or_paths, filesystem=None, *,
filters=None,
if decryption_properties is not None:
read_options.update(decryption_properties=decryption_properties)
- # map filters to Expressions
- self._filters = filters
- self._filter_expression = filters and _filters_to_expression(filters)
+ # map filters to Expressions if not already
+ if not isinstance(filters, ds.Expression):
Review Comment:
~If I understand correctly, `_filters_to_expression` doesn't accept
`Expression` type. So here, if it's already an `Expression` then no processing
is needed.~
Nvm, I was looking at the wrong function.
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