wang-hao-jie
2021-12-09 fdeaff15619f5f2e851f74f7b5e2b203b157856d
xboot-modules/xboot-your/src/main/java/cn/exrick/xboot/your/mapper/DrivingRecordMapper.java
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package cn.exrick.xboot.your.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import cn.exrick.xboot.your.entity.DrivingRecord;
import org.apache.ibatis.annotations.Select;
import java.util.List;
/**
 * 行车记录数据处理层
 * @author zhangzeli
 */
public interface DrivingRecordMapper extends BaseMapper<DrivingRecord> {
    @Select("select max(mileage) from t_driving_record where user_id=#{userId}")
    Integer maxByUserId(String userId);
    @Select("select min(mileage) from t_driving_record where user_id=#{userId}")
    Integer minByUserId(String userId);
    @Select("select sum(likes) from t_driving_record where user_id=#{userId}")
    Integer sumLikeByUserId(String userId);
}