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To: Thomas Kellerer <spam_eater@gmx.net>
cc: pgsql-sql@postgresql.org
Subject: Re: pg_get_functiondef and overloaded functions 
In-reply-to: <hcd7gq$olg$1@ger.gmane.org> 
References: <hcd7gq$olg$1@ger.gmane.org>
Comments: In-reply-to Thomas Kellerer <spam_eater@gmx.net>
	message dated "Fri, 30 Oct 2009 00:12:26 +0100"
Date: Fri, 30 Oct 2009 00:44:52 -0400
Message-ID: <1311.1256877892@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Thomas Kellerer <spam_eater@gmx.net> writes:
> I tried 
> select pg_get_functiondef('foo(int)'::regproc)
> select pg_get_functiondef('foo(int4)'::regproc)
> select pg_get_functiondef('foo(integer)'::regproc)
> but each time I get the error: function "foo(integer)" does not exist  
> What am I missing?

You need to use regprocedure.  regproc is mainly for bootstrap purposes
--- it accepts a function name only.

			regards, tom lane