[ic] Help with Postgres

["daniel castro" <suppressed>]

Hi list,
I am finishing a e-commerce site, the very last thing to do, is what my 
client calls, the mark up protection.  This is a way to protect catalog, 
from changing the price for the products in the admin interface. So the way 
to do this is making a trigger. but now the trigger is not allowing the 
catalog to take orders. Can any one help me with either the trigger, or a 
better way to do the protection.

Any comment are welcome...

The trigge for postgres 7.2 and IC 5.2:

CREATE FUNCTION price_verify () RETURNS OPAQUE AS'
DECLARE
$7 TEXT;
$21 FLOAT;
BEGIN
SELECT INTO $7 sku FROM products WHERE sku = new.sku;
IF NOT FOUND THEN RAISE EXCEPTION ''NO PRODUCT FOUND'';
END IF;
SELECT INTO $21 price FROM products WHERE sku = new.sku;
IF price > new.price THEN RAISE EXCEPTION ''INVALID PRICE'';
END IF;
RETURN NEW;
'LANGUAGE 'plpgsql';

CREATE TRIGGER mark_up_protection
BEFORE UPDATE
ON orderline
FOR EACH ROW
EXECUTE PROCEDURE
price_verify();

But now with the trigger I get the following error:
(log_orderline_table): There was an error adding the items to the orderline 
table: DBD::Pg::st execute failed: ERROR: syntax error at or near "" at 
/home/interchange/server/lib/Vend/Table/DBI.pm line 1626.

Thanks you all for you time, this is a great list. BTW I have written a 
small article with some of the wierd stuff that we had to implement for this 
catalog, you can find it here:
http://www.ingenian.com/modules.php?name=News&file=article&sid=12
Pictures are missing, but I will correct that later today.

Thanks to all,
Daniel Castro
Junior Developer
Ingenian Software LLC

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