Alvaro Herrera <alvherre@CommandPrompt.com> writes:
> I think this makes plenty of sense. However, something that occured to
> me just now is that perhaps the right thing to do in the long term is to
> put this message in errcontext and leave the "invalid value for XXX" as
> the main error message. That would probably involve attaching a
> errcontext callback and removing the complaint_level from this message
> altogether, letting the outer caller deal with it.
errcontext wouldn't help --- by the time guc.c is ready to throw the
error, the assign hook isn't in the call stack anymore. We'd have to
invent some other special-purpose gizmo to make this work.
Might be worth doing, but again, seems too big a change for 8.3.
regards, tom lane