Wes McKinney created ARROW-4094:
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Summary: [Python] Store RangeIndex in Parquet files as metadata
rather than a physical data column
Key: ARROW-4094
URL: https://issues.apache.org/jira/browse/ARROW-4094
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Wes McKinney
Fix For: 0.13.0
This storage is wasteful in a lot of cases; we can define metadata for the
RangeIndex and store it in the "pandas" metadata field
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