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To: Steve Northamer <stevenorthamer@gmail.com>
cc: pgsql-sql@postgresql.org
Subject: Re: plpgsql function executed multiple times for each return value 
In-reply-to: <4E8DEC80.3010706@gmail.com> 
References: <4E8DEC80.3010706@gmail.com>
Comments: In-reply-to Steve Northamer <stevenorthamer@gmail.com>
	message dated "Thu, 06 Oct 2011 13:59:28 -0400"
Date: Sat, 08 Oct 2011 12:32:01 -0400
Message-ID: <11372.1318091521@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Steve Northamer <stevenorthamer@gmail.com> writes:
> So my questions are:  1) How do we cause the paymentcalc function to be 
> executed only once?

In recent versions, I think marking it volatile would be sufficient.

			regards, tom lane