Re: Instability in partition_prune test?

Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Tom Lane wrote:
>> Seems reasonable.  I'm still uncomfortable with the assumption
>> that if we ask for two workers we will get two workers, but
>> that's a pre-existing problem in other parallel regression tests.

> Yeah, I was looking at that line and wondering.  But I think that'd
> require a different approach (*if* we see it fail, which I'm not sure we
> have), such as suppressing the Workers Launched lines without a plpgsql
> function to do it, since it's much more prevalent than this problem.

At least in this case, some of the "row" counts also depend on number
of workers, no?  So just hiding that line wouldn't do it.

Anyway, I agree that we shouldn't solve that problem until we see
that it's a problem in practice.

            regards, tom lane