@Data
@MappedSuperclass
public class BaseModel implements Serializable {
private static final Long serialVersionUID = -1442801573244745790L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@Convert(converter = LocalDateTimeConverter.class)
private LocalDateTime createAt = LocalDateTime.now();
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@Convert(converter = LocalDateTimeConverter.class)
private LocalDateTime updateAt = LocalDateTime.now();
}
@Data
@Entity
@Table(name = "tb_vip_code")
@SQLInsert(sql = "insert ignore into tb_vip_code (code, duration) values (?, ?)")
public class VipCode extends BaseModel {
private static final Long serialVersionUID = -4697221755301869573L;
private String code;
private Integer duration;
private Integer status = 0;
private Long userId;
public VipCode() {}
}
@Test
public void addOne() throws Exception {
VipCode vipCode = new VipCode();
vipCode.setCode("123456");
vipCode.setDuration(1);
service.addOne(vipCode);
}
create table tb_vip_code
(
id bigint auto_increment
primary key,
code varchar(20) not null,
status int default '0' not null,
user_id bigint null,
duration int not null,
create_at datetime default CURRENT_TIMESTAMP not null,
update_at timestamp default CURRENT_TIMESTAMP not null,
constraint tb_vip_code_code_uindex unique (code)
);
以上所有代码,我试图使用自定义sql保存对象,但是会引发异常: 原因:java.sql.SQLException:参数索引超出范围(3>参数数量,即2)。
我只有两个参数,为什么说需要三个参数?
答案 0 :(得分:0)
由@SQLInsert
指定的SQL语句获取绑定的实体字段作为参数。
您直接在VipCode
实体中至少有4个属性,而且我怀疑它继承自BaseModel
类的更多属性。但是您的SQL语句只需要两个参数。
要解决此问题,请从实体中删除多余的属性,将其多余的参数添加到查询中或将其标记为@Transient
。