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https://issues.apache.org/jira/browse/ARROW-7081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17092919#comment-17092919
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Wes McKinney commented on ARROW-7081:
-------------------------------------
We have most of this exposed in Python so this could provide some template for
what to expose
> [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
> Priority: Major
>
> 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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