[ARROW-13482] [C++][Compute] Provide a registry for ExecNode implementations

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: pull-request-available query-engine
• External issue URL: https://github.com/apache/arrow/issues/29144
• Assignee: Ben Kietzman
• Reporter: Ben Kietzman
• Created: 28/Jul/21 21:02
• Updated: 11/Jan/23 08:33
• Resolved: 09/Aug/21 17:15

Description

ExecNodes' factory functions are confusingly non-uniform, which means a lot of boilerplate when composing them into even a simple ExecPlan. Providing a standard factory interface for these and a registry in which to store them by name will simplify declaration of ExecPlans.

Issue Links

• is a child of: ARROW-12633 [C++] Query engine umbrella issue
• links to: GitHub Pull Request #10793