즉시 로딩, 지연 로딩

다음과 같이 N : 1로 연관관계 매핑된 2개의 엔티티가 있다고 할 때, @Entity public class Team { @Id @GeneratedValue @Column(name = "TEAM_ID") private Long id; private String name; @OneToMany(mappedBy = "team") private List members = new ArrayList(); } @Entity public class Member { @Id @GeneratedValue @Column(name = "MEMBER_ID") private Long id; @Column(name = "USERNAME") private String username; @ManyToOne(fetch = FetchTy..

• format_list_bulleted DB/JPA
• · 2023. 3. 23.
• textsms

Proxy

@Entity public class Team { @Id @GeneratedValue @Column(name = "TEAM_ID") private Long id; private String name; @OneToMany(mappedBy = "team") private List members = new ArrayList(); } @Entity public class Member { @Id @GeneratedValue @Column(name = "MEMBER_ID") private Long id; @Column(name = "USERNAME") private String username; @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "TEAM_ID") pr..

• format_list_bulleted DB/JPA
• · 2023. 3. 22.
• textsms