[ARROW-6965] [C++][Dataset] Optionally expose partition keys as materialized columns

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: C++
• Labels: dataset pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/23282
• Assignee: Ben Kietzman
• Reporter: Francois Saint-Jacques
• Created: 22/Oct/19 16:42
• Updated: 11/Jan/23 07:50
• Resolved: 10/Dec/19 22:05

Description

This would be exposed in the DataSourceDiscovery as an option.

Issue Links

• contains: ARROW-7069 [C++][Dataset] Replace ConstantPartitionScheme with PrefixDictionaryPartitionScheme
• links to: GitHub Pull Request #5950