Переименование файлов с sql-запросом

App/Requests/sql/ship_seller.sql

@@ -0,0 +1,8 @@
+SELECT w.date_of_delivery AS 'Дата поставки',
+       SUM(w.sum) AS 'Общая сумма',
+       SUM(wl.cnt) as 'Количество' 
+FROM waybill w
+JOIN (SELECT waybill_id, SUM(count) AS cnt FROM waybill_lines wl GROUP BY waybill_id)wl USING (waybill_id)
+JOIN sellers USING(sel_id)
+WHERE sellers.name = '${seller}'
+GROUP BY date_of_delivery