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https://issues.apache.org/jira/browse/ARROW-10440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-10440.
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Resolution: Fixed
Issue resolved by pull request 10573
[https://github.com/apache/arrow/pull/10573]
> [C++][Dataset][Python] Add a callback to visit file writers just before
> Finish()
> --------------------------------------------------------------------------------
>
> Key: ARROW-10440
> URL: https://issues.apache.org/jira/browse/ARROW-10440
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 2.0.0
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> This will fill the role of (for example) {{metadata_collector}} or allow
> stats to be embedded in IPC file footer metadata.
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