import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
+import javax.validation.constraints.Digits;
/**
@Id
@Column(name = "user_id")
+ @Digits(integer = 11, fraction = 0)
public Long userId;
@Id
@Column(name = "menu_id")
+ @Digits(integer = 11, fraction = 0)
public Long menuId;
}