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