♻️ refactor: orders 테이블 복합키 추가 #238

BE/src/stock/order/stock-order.entity.ts

@@ -9,6 +9,7 @@ import { TradeType } from './enum/trade-type';
 import { StatusType } from './enum/status-type';
 
 @Entity('orders')
+@Index(['user_id', 'stock_code'])
 export class Order {
   @PrimaryGeneratedColumn()
   id: number;