Fix: Spring Data Jdbc에서 save 메서드를 통해서 update 할 때 PK를 List의 index 값으로 …

…입력되는 오류 수정

update 쿼리를 직접 작성해서 사용하는 방식으로 해당 문제를 해결했습니다.

BE/src/main/java/sidedish/com/repository/ProductsRepository.java

@@ -1,6 +1,7 @@
 package sidedish.com.repository;
 
 import java.util.List;
+import org.springframework.data.jdbc.repository.query.Modifying;
 import org.springframework.data.jdbc.repository.query.Query;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.repository.query.Param;
@@ -16,4 +17,8 @@ public interface ProductsRepository extends CrudRepository<ProductEntity, Long>
 	List<ProductEntity> findByMealType(@Param("mealType") String mealType);
 
 	List<ProductEntity> findAllByBestCategory(String category);
+
+	@Modifying
+	@Query("update PRODUCT set stock_quantity = :stockQuantity where id = :id")
+	void update(@Param("stockQuantity") long stockQuantity, @Param("id") Long id);
 }

BE/src/main/java/sidedish/com/service/OrderService.java

@@ -38,7 +38,7 @@ public OrderSaveResponse save(Long productId, long count) {
 		Order order = new Order(product, count);
 		OrderEntity orderEntity = domainEntityMapper.toOrderEntityFromDomain(order);
 
-		productsRepository.save(domainEntityMapper.toProductEntityFromDomain(product));
+		productsRepository.update(product.getStockQuantity(), product.getId());
 		return domainDtoMapper.toOrderSaveResponseFromOrder(orderRepository.save(orderEntity));
 	}
 }