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


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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