On May 4, 9:27 am, DaNieL <daniele.pigned...@xxxxxxxxx> wrote: > Sorry, i know that this maybe is a basically problem, but i come from > mysql.. and in mysql that query works... if there's only one name per order, just put a min or max around the second col. as you know by now, all columns that are not GROUPed BY must be in an aggregate function. SELECT orders.code, MIN(customer.name), SUM(order_item.price) FROM orders INNER JOIN customer ON (customer.id = orders.id_customer) INNER JOIN order_item ON (order_item.id_order = orders.id) GROUP BY orders.id -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
