gunshi-project-ss/src/main/java/com/gunshi/project/hsz/mapper/OsmoticFlowDeviceMapper.java

package com.gunshi.project.hsz.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.gunshi.project.hsz.entity.vo.HomeOsmoticFlowDeviceVo;
import com.gunshi.project.hsz.model.OsmoticFlowDevice;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * 描述: 渗流设备表
 * author: xusan
 * date: 2024-07-08 15:44:07
 */
@Mapper
public interface OsmoticFlowDeviceMapper extends BaseMapper<OsmoticFlowDevice> {

    @Select("""
            <script>
            SELECT st.*,r.q,r.tm FROM osmotic_flow_device st
            LEFT JOIN (SELECT station_code,MAX(tm) tm FROM osmotic_flow_r GROUP BY station_code) maxr ON st.station_code = maxr.station_code
            LEFT JOIN osmotic_flow_r r ON maxr.station_code = r.station_code AND maxr.tm = r.tm
            </script>
            """)
    List<HomeOsmoticFlowDeviceVo> getDetailsAndMonitoringDataList();
}