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[jira] [Created] (ARROW-2763) [Python] Make parquet _metadata file accessible from ParquetDataset


Robert Gruener created ARROW-2763:
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             Summary: [Python] Make parquet _metadata file accessible from ParquetDataset
                 Key: ARROW-2763
                 URL: https://issues.apache.org/jira/browse/ARROW-2763
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Python
            Reporter: Robert Gruener


Currently when creating a ParquetDataset it gives you access to the _common_metadata file but not the _metadata file.

We access the metadata file to get row group information of the dataset without opening each footer.



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