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https://issues.apache.org/jira/browse/ARROW-13269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weston Pace updated ARROW-13269:
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Issue Type: Improvement (was: Bug)
> [C++] [Dataset] Improve the _metadata example to show how to properly create
> _metadata if there is a partitioning
> -----------------------------------------------------------------------------------------------------------------
>
> Key: ARROW-13269
> URL: https://issues.apache.org/jira/browse/ARROW-13269
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 4.0.0
> Reporter: Weston Pace
> Priority: Major
>
> If there are partition columns specified then the writers will only write the
> non-partition columns and thus they will not contain the fields used for the
> partition.
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