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Posted to issues@arrow.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2018/06/30 15:40:00 UTC

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

     [ https://issues.apache.org/jira/browse/ARROW-2763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn reassigned ARROW-2763:
----------------------------------

    Assignee: Robert Gruener

> [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
>            Assignee: Robert Gruener
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 0.10.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> 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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