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mybatis/tk mybatis下实体字段是关键字/保留字,执行报错

Sky飞羽 2022-08-18 阅读 67

实体如下:

import com.fasterxml.jackson.annotation.JsonFormat;
import com.xxx.web.bean.PagesStatic;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.format.annotation.DateTimeFormat;

import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Transient;
import java.time.LocalDateTime;

@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
/***
* app图标
*/
@JsonFormat
public class ApiCertificate{
@Id
@GeneratedValue(generator = "JDBC")
@Transient
private Integer id;

private String url;

@Column(name = "`order`")
private Integer order;

private Integer creatorId;

@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
private LocalDateTime createTime;
}

tk mybatis使用动态sql语句的insert方法报错:

### SQL: INSERT INTO api_certificate  ( url,order,creator_id,create_time ) VALUES( ?,?,?,? )
### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order,creator_id,create_time ) VALUES( 'certificate/6c38dea0-3450-4bdf-8cd4-f42b' at line 1
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order,creator_id,create_time ) VALUES( 'certificate/6c38dea0-3450-4bdf-8cd4-f42b' at line 1
at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:234)
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)

解决方法,在sql关键字字段上加@Column注解,注意不同数据下关键字转义字符的不同,以上是mysql

 

springmvc下可以通过xml文件配置。可以到网上去搜 mybatis beginningDelimiter endingDelimiter

 

参考:​​https://vladmihalcea.com/escape-sql-reserved-keywords-jpa-hibernate/​​

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