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ggamnunq
reviewed
Oct 30, 2025
| @Id | ||
| @GeneratedValue(strategy = GenerationType.IDENTITY) | ||
| private Long id; //pk | ||
| private Long memberId; //pk |
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private Long id; -> 이렇게 해도 member_id로 컬럼 이름 저장됩니다.
private Long memberId => 이렇게 하면 CammelCase -> snake_case로 자동 변환돼서 member_id로 저장됩니다.
∴ 그냥 id로 저장해도 된다~
ggamnunq
reviewed
Oct 30, 2025
| //2 id 로 멤버 테이블 조회 | ||
| //마이 페이지 화면 쿼리 | ||
| //(메서드 생성 방식 권장) | ||
| Optional<Member> findById(Long id); |
ggamnunq
reviewed
Oct 30, 2025
| JOIN FETCH r.subRegion sr | ||
| WHERE r.id = :regionId | ||
| """, | ||
| countQuery = "SELECT count(m) FROM Mission m JOIN m.store s WHERE s.region.id = :regionId") |
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countQuery -> 이게 뭔가 해서 알아봤는데, fetchJoin + Page 하면 CountQuery를 정상적으로 만들지 못한다는걸 배웠네요. 굿굿
ggamnunq
reviewed
Oct 30, 2025
| show-sql: true # | ||
| hibernate: | ||
| ddl-auto: create # | ||
| ddl-auto: create-drop # |
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5주차 : JPA 활용 미션