On Fri, Jul 01, 2022 at 07:19:11PM -0400, Tom Lane wrote: > I tried interrupting at a random point and then stepping, and > look what I hit after just a couple of steps:
I'd come up with the trick of setting SET backtrace_functions='ProcessInterrupts'; > That, um, piqued my interest. After a bit of digging, > I modestly propose the attached. I'm not sure if it's > okay to back-patch this, because maybe someone out there > is relying on qsort() to be incapable of throwing an error > --- but it'd solve the problem at hand and a bunch of other > issues of the same ilk. Confirmed this fixes the 3 types of extended stats, at least for the example cases I made. If it's okay to backpatch, v14 seems adequate since the problem is more prominent with expressional statistics (I'm sure that's why I hit it) ... otherwise v15 would do. -- Justin