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To: "Andrew C.R. Martin" <a.c.r.martin@reading.ac.uk>
cc: interfaces@postgresql.org, docs@postgresql.org, hackers@postgresql.org
Subject: Re: Bugs: Programming Language Functions 
In-reply-to: <00041116534800.28381@sapc13.rdg.ac.uk> 
References: <734.955464746@sss.pgh.pa.us>
	<00041116534800.28381@sapc13.rdg.ac.uk>
Comments: In-reply-to "Andrew C.R. Martin" <a.c.r.martin@reading.ac.uk>
	message dated "Tue, 11 Apr 2000 16:38:58 +0100"
Date: Tue, 11 Apr 2000 12:05:39 -0400
Message-ID: <1291.955469139@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Archive-Number: 200004/46

"Andrew C.R. Martin" <a.c.r.martin@reading.ac.uk> writes:
> My own particular problem simply pulls out an integer and a (text *)
> from a varchar. It then goes away and does some calculations based on
> these values and another external file (in fact it does a system() to
> run an external program which does these calculations). It then build
> a 'text' structure containing the result.

Hm.  I'm not too clear on why that would need to worry about either
TupleTableSlot or GetAttributeByName ... shouldn't it be a simple
function consuming a text Datum and producing another?

			regards, tom lane