Joris Van den Bossche created ARROW-16121:
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Summary: [Python] Deprecate the (common_)metadata(_path)
attributes of ParquetDataset
Key: ARROW-16121
URL: https://issues.apache.org/jira/browse/ARROW-16121
Project: Apache Arrow
Issue Type: Sub-task
Components: Python
Reporter: Joris Van den Bossche
Fix For: 8.0.0
The custom python ParquetDataset implementation exposes the {{metadata}},
{{metadata_path}}, {{common_metadata}} and {{common_metadata_path}} attributes,
something for which we didn't add an equivalent to the new dataset API.
Unless we still want to add something for this, we should deprecate those
attributes in the legacy ParquetDataset.
In addition, we should also deprecate passing the {{metadata}} keyword in the
ParquetDataset constructor.
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