Ben Kietzman created ARROW-7081:
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             Summary: [R] Add methods for introspecting parquet files
                 Key: ARROW-7081
                 URL: https://issues.apache.org/jira/browse/ARROW-7081
             Project: Apache Arrow
          Issue Type: Improvement
          Components: R
    Affects Versions: 0.15.1
            Reporter: Ben Kietzman
            Assignee: Neal Richardson
             Fix For: 1.0.0


Parquet files are very opaque, and it'd be handy to have an easy way to 
introspect them. Functions exist for loading them as a table, but information 
about row group level metadata and data page compression is hidden. Ideally, 
every structure from https://github.com/apache/parquet-format/#file-format 
could be examined in this fashion.



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