Есть запрос select s.name as storename, sum(pc.rest) as rest, sum(pc.reserve) as reserve, r.name as regionname, r.id_region, (select first 1 rp.price_retail from region_prices rp where (r.id_region=rp.id_region) and (pc.id_product=rp.id_product)) as PriceRetail from stores s left join regions r on s.id_region=r.id_region, product_cards pc where s.id_store=pc.id_store and pc.id_product=582 group by 1,4,5,6 order by s.name
который в FB1.5.3 ругается на group by Как его правильно переписать?