1054 - Unknown column 'p2c.order_num' in 'order clause'
select m.manufacturers_name, pd.products_name, pd.products_coments, p.products_image, p.products_quantity, p.products_id, p.manufacturers_id, p.products_price, p.products_list_price, p.products_tax_class_id, IF(s.status, s.specials_new_products_price, NULL) as specials_new_products_price, IF(s.status, s.specials_new_products_price, p.products_price) as final_price from (products p, products_description pd, manufacturers m) left join specials s on p.products_id = s.products_id where p.products_status = '1' and pd.products_id = p.products_id and pd.language_id = '4' and p.manufacturers_id = m.manufacturers_id and m.manufacturers_id = '30' order by p2c.order_num DESC