김현민 1주차 과제 #12
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김현민 1주차 과제 #12
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jjunhub
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Oct 19, 2024
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| @Getter | ||
| public class Grades { |
jjunhub
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Oct 19, 2024
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| import org.springframework.data.jpa.repository.JpaRepository; | ||
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| public interface GradesRepository extends JpaRepository { |
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Suggested change
| public interface GradesRepository extends JpaRepository { | |
| public interface GradesRepository extends JpaRepository<Grades, Long> { |
JpaRepository를 사용하실 떄는 제네릭 부분에 <Entity 클래스 명, PK의 타입> 형태로 작성해주셔야합니다!
jjunhub
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Oct 19, 2024
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| @Id | ||
| private int studentId; |
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학생 학번이라 의도적으로 @GeneratedValue를 사용하지 않고, 직접 PK를 작성하도록 구현한 디테일 너무 좋습니다!
jjunhub
reviewed
Oct 19, 2024
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사실 M:N이라 학생 - 과목 - 성적으로 쪼개야 할 것 같은데 일단 대충 만들었읍니다
EntityManagerFactory 써서 뭐 하려다가 잘 안됐는데 그것에 대해서는... 더 고민해 보는 것으로...