Patrick Welche <prlw1(at)newn(dot)cam(dot)ac(dot)uk> writes:
> WARNING: Message from PostgreSQL backend:
> The Postmaster has informed me that some other backend
> died abnormally and possibly corrupted shared memory.
> Should I be able to cause this with a duff query?
No. That's a backend bug, not a libpq++ bug. Let's see the query ...
regards, tom lane