Alvaro Herrera <alvherre@commandprompt.com> writes:
> So, the idea is to have a stack maintained by the function manager; each
> called function enters an element in it containing the interesting
> information about the function. We'd have another function that would
> return this stack as a result set. (With this arrangement, the topmost
> element would always appear to be this "peek" function.)
> I haven't looked at the code to see how this would actually be
> implemented, so I don't have more details to offer. Does anybody have
> opinions on the matter?
The performance and error recovery implications are unfavorable.
Just how badly do you need this, and for what?
regards, tom lane