DoytoQuery中的查询映射方案详解

@Getter
@Setter
@Entity
public class UserEntity extends AbstractPersistable<Integer> {
    private String username;
    private String email;
    private String mobile;
    private String password;
    private String nickname;
    private Boolean valid;
}

@Getter
@Setter
@SuperBuilder
@NoArgsConstructor
@AllArgsConstructor
public class UserQuery extends PageQuery {
    private Integer id;
    private String username;
    private Boolean valid;
}

public class UserQuery extends PageQuery {
    private Integer id;
    private String username;
    private Boolean valid;
    private List<Integer> idIn;
    private Integer idGt;
    private String usernameLike;
}

UserQuery userQuery = UserQuery.builder().usernameLike("test").valid(true).build();

SELECT id, username, email, mobile, password, nickname, valid FROM user WHERE username LIKE ? and valid = ?
-- With parameters: ["%test%", true] 

public interface Or {
}
public class AccountOr implements Or {
    private String username;
    private String email;
    private String mobile;
}
public class UserQuery {
    private AccountOr account;
}

SELECT * FROM menu WHERE id IN (SELECT parentId FROM menu WHERE ...)

SELECT * FROM menu WHERE parentId IN (SELECT id FROM menu WHERE ...)

SELECT * FROM menu WHERE id IN (
    SELECT menu_id FROM a_perm_and_menu WHERE perm_id IN (
        SELECT perm_id FROM a_role_and_perm WHERE role_id IN (
            SELECT role_id FROM a_user_and_role WHERE user_id IN (
                SELECT id FROM t_user WHERE id = ?
))))

@Target(FIELD)
@Retention(RUNTIME)
public @interface DomainPath {
    // To describe how to route from the host domain to the target domain.
    String[] value();
    String localField() default "id";
    String foreignField() default "id";
}

public class MenuQuery extends PageQuery {
    // 多对一: 根据父菜单的条件查询他们的子菜单
    @DomainPath(localField = "parentId", foreignField = "id", value = "menu")
    MenuQuery parent;      // parentId   IN (SELECT      id   FROM     menu  WHERE ... )
    // 一对多: 根据子菜单的条件查询父菜单
    @DomainPath(localField = "id", foreignField = "parentId", value = "menu")
    MenuQuery children;    // id   IN (SELECT      parentId   FROM     menu  WHERE ... )
    // 多对多: 查询满足条件的用户被授予的菜单
    @DomainPath({"menu", "~", "perm",  "~", "role", "~", "user"})
    UserQuery user;
}

public class MenuQuery extends PageQuery {
    @QueryField(and = "id = (SELECT parent_id FROM menu WHERE id = ?)")
    private Integer childId;
}