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From: Josh Berkus <josh@agliodbs.com>
To: James Cooper <jim@luckydigital.com>
To: sql <pgsql-sql@postgresql.org>
Subject: Re: syntax question
Date: Sun, 23 Feb 2003 14:52:00 -0800
Message-ID: <200302231452.00484.josh@agliodbs.com> (raw)
In-Reply-To: <006401c2db87$fc09be00$c900a8c0@jax>
References: <006401c2db87$fc09be00$c900a8c0@jax>

James,

> FOR total IN EXECUTE subquery LOOP
>
> END LOOP;
>
> RETURN total.tot;

The above is fine, except that you need to assign total.tot to a variable 
*inside* the loop:

FOR total IN EXECUTE subquery LOOP
	return_total := total.tot;
END LOOP;

RETURN return_total;

This is because the expression "total.tot" is out of scope as soon as the loop 
exits.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco



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