Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Jan 3, 2012 at 6:25 PM, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
>> [ reasons ]
> I agree with these reasons. We don't get charged $0.50 per GUC, so
> there's no particular reason to contort things to have fewer of them.
Well, there definitely is a distributed cost to each additional GUC.
Peter's given what are probably adequate reasons to add several of them
here, but that doesn't mean we should not ask the question whether each
new GUC is really necessary.
regards, tom lane