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From: "Jim Buttafuoco" <jim@contactbda.com>
To: Scott Petersen <scottpetersen@softhome.net>, pgsql-sql@postgresql.org
Reply-To: jim@contactbda.com
Subject: Re: Deleting Functions
Date: Wed, 23 Aug 2006 15:56:11 -0400
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Scott,

I use the following query with psql \o option.  Change the schema name from public to whatever.  I am sure you could put
this into a plpgsql function using execute as well.


Jim

\o drops.sql
select 'drop function ' || nspname || '.' || proname || '(' || pg_catalog.oidvectortypes(p.proargtypes) || ');' from
pg_proc p join pg_namespace b on (p.pronamespace=b.oid) where nspname='public';
\o
\!vi drops.sql # <<remove the fluff from the query 
\i drops.sql




---------- Original Message -----------
From: Scott Petersen <scottpetersen@softhome.net>
To: pgsql-sql@postgresql.org
Sent: Wed, 23 Aug 2006 13:29:12 -0600
Subject: [SQL] Deleting Functions

> Folks,
> 
> I am using PGSQL do do all of my schema changes, but have run into a 
> problem.  I need to be able to DROP all of the USER FUNCTIONS that are 
> defined in a schema.  The problem is that I do not know the names of all 
> of the functions and parameters.  I know that I could use '\df' and then 
> use perl or some other scripting language to parse this, but I need to 
> be able to perform this action on multiple platforms (without rewriting 
> the process for each platform).
> 
> I have written a script that incorporates '\df' and appropriate parsing 
> to perform this action for LINUX and it works fine/lasts a long time.  I 
> need to make this more transparent so it will run on all platforms (in 
> particular windows).
> 
> I know that in the past (version 7) there was a way to drop the 
> functions by directly accessing some of the system tables.  The 
> question/problem is that we have updated to version 8.1 and need the 
> same functionality.
> 
> Any help or directions would be greatly appreciated.
> 
> Thanks Scott.
> 
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> TIP 6: explain analyze is your friend
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