package com.trafficaudit.observation.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.trafficaudit.observation.dto.ObservationDateSummary;
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import com.trafficaudit.observation.entity.ObservationStationFlow;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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@Mapper
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public interface ObservationStationFlowMapper extends BaseMapper<ObservationStationFlow> {
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@Select("SELECT obs_date, COUNT(*) AS station_count, "
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+ "SUM(small_medium_passenger) AS small_medium_passenger_total, "
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+ "MAX(updated_at) AS imported_at "
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+ "FROM observation_station_flow GROUP BY obs_date ORDER BY obs_date ASC")
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List<ObservationDateSummary> selectDateSummary();
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}
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