Hi.
It does not work for combinations !
ps_ => table prefix
id_lang = 1 => language id
SELECT a.id_product, a.name, b.quantity, b.location FROM `ps_product_lang` a LEFT JOIN `ps_stock_available` b ON (a.id_product = b.id_product) WHERE a.id_lang = 1 AND b.id_product_attribute = 0;