Message-ID: <43A921A8.3010702@archonet.com>
Date: Wed, 21 Dec 2005 09:34:32 +0000
From: Richard Huxton <dev@archonet.com>
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To: Calin Meze <mezecalin@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Help me do a LOOP
References: <20051214082130.36637.qmail@web52809.mail.yahoo.com>
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Calin Meze wrote:
> I need to test each record of a cursor for some requirements,
> something like this
[snip]
> -- the problem is that I do not know how to make the while loop
> execute  until the last record "WHILE (still in the cursor)"... So I
> need  something like
> 
> 
> Can anyone help me with this? It really seems silly... but I cannot
> get  to solve this, I do not know where to look for syntax like this
> or  tutorials  like this.

Assuming this is plpgsql you are probably looking for the FOUND 
pseudo-variable. See Ch 36.6.6 Obtaining the Result Status

You don't actually need to bother with a cursor in plpgsql, just loop 
over a SELECT (Ch 36.7.4 Looping Through Query Results). That basically 
*is* a cursor internally.

-- 
   Richard Huxton
   Archonet Ltd