[ARROW-16211] [C++][Python] Unregister compute functions

• Type: Sub-task
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Component/s: C++, Python
• External issue URL: https://github.com/apache/arrow/issues/31611
• Assignee: Vibhatha Lakmal Abeykoon
• Reporter: Vibhatha Lakmal Abeykoon
• Created: 18/Apr/22 00:54
• Updated: 11/Jan/23 11:42

Description

In general, when using UDFs, the user defines a function expecting a particular outcome. When building the program, there needs to be a way to update existing function kernels if it expands beyond what is planned before. In such situations, there should be a way to remove the existing definition and add a new definition. To enable this, the unregister functionality has to be included. 

Issue Links

• relates to: ARROW-16823 [C++] Arrow Substrait enhancements for UDF
• links to: GitHub Pull Request #14308