"Robert Haas" <robertmh...@gmail.com> writes:
> I wonder whether the whole architecture is wrong here. Perhaps when a
> function is created with N arguments of which M have default values,
> we should actually create M entries in pg_proc: one for each possible
> number of arguments from N-M up through N.
That's been considered and rejected before, in the context of the
variadic-function patch which has a lot of the same issues. What it
mostly does is bloat pg_proc.
> I think this would kill all of the problems reported thus far at one
> blow.
No, it doesn't resolve any of them ... particularly not the ones
associated with defaults for polymorphics.
regards, tom lane
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