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Posted to jira@arrow.apache.org by "Kouhei Sutou (Jira)" <ji...@apache.org> on 2021/09/22 21:30:00 UTC

[jira] [Assigned] (ARROW-14072) Get Number of Rows in Parquet file Through Metadata GLib

     [ https://issues.apache.org/jira/browse/ARROW-14072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kouhei Sutou reassigned ARROW-14072:
------------------------------------

    Assignee: Kouhei Sutou

> Get Number of Rows in Parquet file Through Metadata GLib
> --------------------------------------------------------
>
>                 Key: ARROW-14072
>                 URL: https://issues.apache.org/jira/browse/ARROW-14072
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C, GLib
>            Reporter: Ben McDonald
>            Assignee: Kouhei Sutou
>            Priority: Blocker
>
> Would like to be able to read in the number of rows of a Parquet file through the metadata in Apache Arrow GLib. 
>  
> Having to read in the entire table to get the number of rows from a Parquet file causes a big performance bottleneck.



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