"M. Bastin" <marcbastin(at)mindspring(dot)com> writes:
> I'm trying to implement the "cancel request in progress" (protocol
> 2.0, pgsql 7.3.3), but queries complete regardless.
> I'm trying it on short queries, which return about 600 rows. Would
> this only work on behemot queries?
It's certainly possible that the backend has already completed the query
before the cancel gets there. Try a bigger test case.
regards, tom lane