From: | Michelle Schwan <mschwan(at)opentext(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, "pgsql-docs(at)postgresql(dot)org" <pgsql-docs(at)postgresql(dot)org> |
Subject: | Re: DROP EXTENSION |
Date: | 2016-06-21 18:28:53 |
Message-ID: | B9948C5F5585784A98B0F992EC6B2BA8065828EF@otwlxg20.opentext.net |
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Lists: | pgsql-docs |
Ok - I understand!
However, could that be stated in the documentation so that is clear?
-----Original Message-----
From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
Sent: Tuesday, June 21, 2016 2:27 PM
To: Alvaro Herrera
Cc: Michael Paquier; Michelle Schwan; pgsql-docs(at)postgresql(dot)org
Subject: Re: [DOCS] DROP EXTENSION
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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