[ARROW-16121] [Python] Deprecate the (common_)metadata(_path) attributes of ParquetDataset

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.0.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20181
• Assignee: Alenka Frim
• Reporter: Joris Van den Bossche
• Created: 05/Apr/22 11:44
• Updated: 11/Jan/23 11:41
• Resolved: 22/Apr/22 17:45

Description

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.

Issue Links

• links to: GitHub Pull Request #12952