我的用户与我的地址表有一对一映射，它在用户表中有一个地址外键。我想在不删除用户的情况下删除用户地址，但由于我在用户表中有外键，因此无法删除，请帮助我在此处输入图像描述

@Table(name = "Address ")公共类地址{

@Id
@GeneratedValue 
private Integer addressId;

@NotNull(message="City should not be null")
@Pattern(regexp="^[a-zA-Z]+$" ,message="City should contain only alphabets")
private String city;

@NotNull(message="State should not be null")
@Pattern(regexp="^[a-zA-Z]+$" ,message="State should contain only alphabets")
private String state;

@NotNull(message="Pincode should not be null")
@Size(min=6,max=6,message = "Size must be of 6 elements")
@Pattern(regexp="\\d+", message = "Pincode must contain only numbers")
private String pinCode;

@NotNull(message="House number should not be null")
@Pattern(regexp="\\d+", message = "Pincode must contain only numbers")
private String houseNo;

@NotNull(message="Landmark should not be null")
private String landmark;

我的用户类

@Entity

@Table（name = “UserDetails”） public class User { public enum Role{ADMIN，USER};'' @Id @GeneratedValue private Integer userId;

@NotNull(message = "Firstname should not be null")
@Pattern(regexp="^[a-zA-Z '.-]*$", message = "Name should be alphabetic")
private String firstName;

@NotNull(message = "Firstname should not be null")
@Pattern(regexp="^[a-zA-Z '.-]*$", message = "Name should be alphabetic")
private String lastName;

@Email
private String email;

private String password;
private Role role;

@OneToOne(cascade = CascadeType.ALL)
private Address address;

@OneToMany(mappedBy = "userDetails", cascade = CascadeType.ALL)
private Set<Order> orders = new HashSet<Order>();
private Address address;

@OneToMany(mappedBy = "userDetails", cascade = CascadeType.ALL)
private Set<Order> orders = new HashSet<Order>();