oracle8.1.6
select p.no_shipping_avail_p, p.product_name, p.one_line_description, p.product_id,
count(*) as quantity,
u.offer_code,
i.color_choice, i.size_choice, i.style_choice
from ec_orders o, ec_items i, ec_products p,
(select offer_code, product_id
from ec_user_session_offer_codes usoc
where usoc.user_session_id=:user_session_id) u
where i.product_id=p.product_id
and o.order_id=i.order_id
and p.product_id= u.product_id(+)
and o.user_session_id=:user_session_id and o.order_state='in_basket'
group by p.no_shipping_avail_p, p.product_name, p.one_line_description, p.product_id,
u.offer_code,
i.color_choice, i.size_choice, i.style_choice