[ARROW-4022] [C++] Promote Datum variant out of compute namespace

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/20624
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 13/Dec/18 21:44
• Updated: 11/Jan/23 07:31
• Resolved: 24/May/20 14:38

Description

In working on ARROW-3762, I've found it's useful to be able to have functions return either Array or ChunkedArray. We might consider promoting the arrow::compute::Datum variant out of arrow/compute/kernel.h so it can be used in other places where it's helpful

Issue Links

• relates to: ARROW-8792 [C++] Improved declarative compute function / kernel development framework, normalize calling conventions