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我想從中間連接表中刪除數據。我越來越刪除連接表的行級聯休眠
更新或刪除表「eoclass」違反了表「eostaff_user_eoclass」 細節外鍵約束「fk_o5mbi65xmqv60x0m5v0l1raf8」:密鑰(primary_key)=(51)仍然從表「eostaff_user_eoclass」引用。
這裏是我的實體
@Entity
@Table(name = "EOSTAFF_USER")
@SequenceGenerator(name = "EOSTAFF_USER_SEQ", initialValue = 1, allocationSize = 1, sequenceName = "EOSTAFF_USER_SEQ")
public class EOStaffUser extends EOObject {
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "EOSTAFF_USER_SEQ")
@Column(name = "PRIMARY_KEY")
public long primaryKey;
@ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
public List<EOClass> eoClassArray = new LinkedList<>();
}
和
@Entity
@Table(name = "EOCLASS", uniqueConstraints = @UniqueConstraint(columnNames = { "eoinstitute_primary_key",
"lkclass_primary_key", "lksection_primary_key", "lksubject_primary_key" }))
@SequenceGenerator(name = "EOCLASS_SEQ", initialValue = 1, allocationSize = 1, sequenceName = "EOCLASS_SEQ")
public class EOClass extends EOObject {
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "EOCLASS_SEQ")
@Column(name = "PRIMARY_KEY")
public long primaryKey;
}
請首先在數據庫級別檢查通常的嫌疑人。刪除有關記錄/實體是否可以留下任何兒童記錄?將這些東西從清單中刪除,然後再擔心Hibernate。 –