package cn.exrick.xboot.your.mapper;
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import cn.exrick.xboot.your.entity.Area;
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import cn.exrick.xboot.your.vo.CarVo;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.Constants;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import org.apache.ibatis.annotations.Param;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import cn.exrick.xboot.your.entity.Car;
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import org.apache.ibatis.annotations.Result;
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import org.apache.ibatis.annotations.Results;
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import org.apache.ibatis.annotations.Select;
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import org.apache.ibatis.type.JdbcType;
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import java.util.List;
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/**
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* 车辆表数据处理层
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* @author zhangzeli
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*/
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public interface CarMapper extends BaseMapper<Car> {
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@Select("SELECT a.*,b1.nickname AS temp,b2.nickname AS followNickName FROM t_car a LEFT JOIN t_user AS b1 ON a.user_id = b1.id LEFT JOIN t_user AS b2 ON a.follow_user_id = b2.id ${ew.customSqlSegment} ")
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@Results({@Result(column="temp", property="nickName", jdbcType = JdbcType.VARCHAR)})
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IPage<Car> page2(Page initMpPage, @Param(Constants.WRAPPER) QueryWrapper<Car> wrapper);
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@Select("SELECT c.*,u.nickname,a.`name` AS area_name FROM t_car c LEFT JOIN t_user AS u ON c.user_id=u.id LEFT JOIN t_area AS a ON a.user_id=u.id")
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List<Car> getAll2();
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@Select("SELECT\n" +
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"\tc.*,(SUM(amount)) AS allAmount,SUM(money) AS allMoney,(MAX(mileage)) AS allMileage\n" +
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"FROM\n" +
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"\tt_car c\n" +
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"LEFT JOIN t_add_oil a ON c.id = a.car_id GROUP BY car_no\n")
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List<Car> getCarInfo();
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@Select("SELECT\n" +
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"\tc.*,(MAX(amount)-MIN(amount)) AS amount,SUM(money) AS money,(MAX(mileage)-MIN(mileage)) AS mileage\n" +
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"FROM\n" +
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"\tt_car c\n" +
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"LEFT JOIN t_add_oil a ON c.id = a.car_id ${ew.customSqlSegment}")
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List<Car> getCarInfo2(@Param(Constants.WRAPPER) QueryWrapper<Car> wrapper);
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}
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