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https://issues.apache.org/jira/browse/ARROW-14072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kouhei Sutou resolved ARROW-14072.
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Resolution: Fixed
Issue resolved by pull request 11215
[https://github.com/apache/arrow/pull/11215]
> [GLib][Parquet] Add support for getting number of rows through metadata
> -----------------------------------------------------------------------
>
> 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
> Labels: pull-request-available
> Fix For: 6.0.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> 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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