postgresql7.1
update ec_custom_product_field_values
set last_modified=now(), last_modifying_user=:user_id, modified_ip_address=:ip $moresqlupdate
where product_id = :product_id
insert into ec_custom_product_field_values
( last_modified, last_modifying_user, modified_ip_address, product_id $moresqlinsert_columns )
values ( now(), :user_id, :ip, :product_id $moresqlinsert_values )