| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, mschwan(at)opentext(dot)com, pgsql-docs(at)postgresql(dot)org |
| Subject: | Re: DROP EXTENSION |
| Date: | 2016-06-21 18:26:49 |
| Message-ID: | 12382.1466533609@sss.pgh.pa.us |
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| Lists: | pgsql-docs |
Alvaro Herrera <alvherre(at)2ndquadrant(dot)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
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