[ARROW-10440] [C++][Dataset][Python] Add a callback to visit file writers just before Finish()

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 5.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26418
• Assignee: Ben Kietzman
• Reporter: Ben Kietzman
• Created: 30/Oct/20 20:31
• Updated: 11/Jan/23 08:13
• Resolved: 22/Jun/21 21:55

Description

This will fill the role of (for example) metadata_collector or allow stats to be embedded in IPC file footer metadata.

Issue Links

• fixes: ARROW-12364 [Python] [Dataset] Add metadata_collector option to ds.write_dataset()
• links to: GitHub Pull Request #10573