[ARROW-9285] [C++] Detect unauthorized memory allocations in function kernels

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: C++
• Labels: good-first-issue pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17251
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 30/Jun/20 21:15
• Updated: 11/Jan/23 08:05

Description

If a function has been configured to preallocate space, then executing the kernel should not replace the preallocated buffer during execution – this is an implementation error. Detecting this would be relatively easy and improve debugging for kernel implementers

Issue Links

• relates to: ARROW-16755 [C++] Improve array expression and kernel evaluation performance on small inputs
• links to: GitHub Pull Request #12089