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From: Michelle Schwan <[email protected]>
To: Tom Lane <[email protected]>
To: Alvaro Herrera <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: DROP EXTENSION
Date: Tue, 21 Jun 2016 18:28:53 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
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Ok - I understand!

However, could that be stated in the documentation so that is clear?

-----Original Message-----
From: Tom Lane [mailto:[email protected]] 
Sent: Tuesday, June 21, 2016 2:27 PM
To: Alvaro Herrera
Cc: Michael Paquier; Michelle Schwan; [email protected]
Subject: Re: [DOCS] DROP EXTENSION

Alvaro Herrera <[email protected]> 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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