주문 검색 기능 개발
@Getter
@Setter
public class OrderSearch {
private String memberName;
private OrderStatus orderStatus;
}JPQL로 처리
@Repository
@RequiredArgsConstructor
public class OrderRepository {
public List<Order> findAllByString(OrderSearch orderSearch) {
String jpql = "select o From Order o join o.member m";
boolean isFirstCondition = true;
// 주문 상태 검색
if (orderSearch.getOrderStatus() != null) {
if (isFirstCondition) {
jpql += " where";
isFirstCondition = false;
} else {
jpql += " and";
}
jpql += " o.status = :status";
}
// 회원 이름 검색
if (StringUtils.hasText(orderSearch.getMemberName())) {
if (isFirstCondition) {
jpql += " where";
isFirstCondition = false;
} else {
jpql += " and";
}
jpql += " m.name like :name";
}
TypedQuery<Order> query = em.createQuery(jpql, Order.class).setMaxResults(1000); // 최대 1000건
if (orderSearch.getOrderStatus() != null) {
query = query.setParameter("status", orderSearch.getOrderStatus());
}
if (StringUtils.hasText(orderSearch.getMemberName())) {
query = query.setParameter("name", orderSearch.getMemberName());
}
return query.getResultList();
}
}JPA Criteria로 처리
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