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

28 lines
959 B
Java

package com.gunshi.project.hsz.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.gunshi.project.hsz.entity.vo.HomeOsmoticPressDeviceVo;
import com.gunshi.project.hsz.model.OsmoticPressDevice;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import java.util.List;
/**
* 描述: 渗压设备表
* author: xusan
* date: 2024-07-08 15:44:07
*/
@Mapper
public interface OsmoticPressDeviceMapper extends BaseMapper<OsmoticPressDevice> {
@Select("""
<script>
SELECT st.*,r.value,r.tm FROM osmotic_press_device st
LEFT JOIN (SELECT station_code,MAX(tm) tm FROM osmotic_press_r GROUP BY station_code) maxr ON st.station_code = maxr.station_code
LEFT JOIN osmotic_press_r r ON maxr.station_code = r.station_code AND maxr.tm = r.tm
</script>
""")
List<HomeOsmoticPressDeviceVo> getDetailsAndMonitoringDataList();
}