[ARROW-16112] [C++] Allow reordering fields of a StructArray via casting

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• Labels: kernel
• External issue URL: https://github.com/apache/arrow/issues/31522
• Assignee: Unassigned
• Reporter: David Li
• Created: 04/Apr/22 15:11
• Updated: 11/Jan/23 11:41

Description

Follow-up to ARROW-15643 and possibly required for full handling of nested field refs in scanning. We may need to add a cast option to allow this since this can cause ambiguities.

Issue Links

• relates to: ARROW-15643 [C++] Kernel to select subset of fields of a StructArray