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Posted to jira@arrow.apache.org by "Todd Farmer (Jira)" <ji...@apache.org> on 2022/07/12 14:05:02 UTC

[jira] [Assigned] (ARROW-7081) [R] Add methods for introspecting parquet files

     [ https://issues.apache.org/jira/browse/ARROW-7081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Farmer reassigned ARROW-7081:
----------------------------------

    Assignee:     (was: Ian Cook)

This issue was last updated over 90 days ago, which may be an indication it is no longer being actively worked. To better reflect the current state, the issue is being unassigned. Please feel free to re-take assignment of the issue if it is being actively worked, or if you plan to start that work soon.

> [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
>            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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