[ARROW-4094] [Python] Store RangeIndex in Parquet files as metadata rather than a physical data column

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/20687
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 21/Dec/18 00:22
• Updated: 11/Jan/23 07:31
• Resolved: 19/Mar/19 19:04

Description

This storage is wasteful in a lot of cases; we can define metadata for the RangeIndex and store it in the "pandas" metadata field