Help converting OSC SQL code to Zencart

[mdc]

In the wiki
http://www.zen-cart.com/wiki/index.p...dules_from_osC

Thank you for the reply, i was trying to change the query into:

$sql = "SELECT * FROM fastway_zones WHERE $topcode >= f_postcode and $topcode <= f_postcode";
$qResult = $db->Execute($sql); 
$rec = $db->Execute($qResult); 

But still getting errors, could you advise me how should it be?

Thanks