[ARROW-13849] [C++] Add min and max aggregation functions

• Type: New Feature
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: kernel pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29470
• Assignee: David Li
• Reporter: Neal Richardson
• Created: 01/Sep/21 17:45
• Updated: 11/Jan/23 08:35
• Resolved: 17/Sep/21 14:03

Description

We have min_max but that returns a struct array. At some point we will want compute kernels that we can call in a ProjectNode that will allow us to get at struct array elements, but for now it would be nice to have (hash_)min and max that just give the scalar we want.

Issue Links

• is depended upon by: ARROW-13502 [R] Bindings for min/max aggregation
• links to: GitHub Pull Request #11152