select p.products_id from products_to_categories_all p2c, products p left join manufacturers m on p.manufacturers_id = m.manufacturers_id where p.products_status = '1' and p.parent = '0' and p.products_id = p2c.products_id and p2c.categories_id= '26' and pd.language_id = '1' and m.manufacturers_id in (20) ORDER BY p.products_quantity+p.products_quantity_self desc, pd.products_name