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