Re: [EXTERNAL] Re: Add non-blocking version of PQcancel

On Wed, 27 Mar 2024 at 19:46, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> On 2024-Mar-27, Alvaro Herrera wrote:
>
> > I changed it so that the error messages are returned as translated
> > phrases, and was bothered by the fact that if errors happen repeatedly,
> > the memory for them might be leaked.  Maybe this is fine depending on
> > the caller's memory context, but since it's only at most one string each
> > time, it's quite easy to just keep track of it so that we can release it
> > on the next.
>
> (Actually this sounds clever but fails pretty obviously if the caller
> does free the string, such as in a memory context reset.  So I guess we
> have to just accept the potential leakage.)

Your changes look good, apart from the prverror stuff indeed. If you
remove the prverror stuff again I think this is ready to commit.