Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> Right; mschwan wrote private email to indicate that the function in
> question is:
> CREATE OR REPLACE FUNCTION public.f_unaccent(text)
> RETURNS text AS
> $$
> select public.unaccent('public.unaccent', $1)
> $$
> LANGUAGE sql IMMUTABLE;
> so when the unaccent extension is dropped, this function remains (of
> course) but it stops working.
Ah, I kind of suspected that: the issue is that we don't analyze function
bodies to detect dependencies therein. In a perfect world we would, but
there are daunting obstacles in the way.
regards, tom lane