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优化

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This commit is contained in:
mashili
2025-06-29 14:45:20 +08:00
parent aed3f830f5
commit 324beeaa69
7 changed files with 20 additions and 20 deletions
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15
ems-system/src/main/resources/mapper/ems/EmsPcsBranchDataMapper.xml
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@ -205,14 +205,15 @@
</delete>
<select id="getPcsBranchInfoList" resultType="com.xzzn.ems.domain.vo.PcsBranchInfo">
select tmp.branch_id as branchId, tmp.discharge_status as dischargeStatus,
SELECT tmp.branch_id as branchId, tmp.discharge_status as dischargeStatus,
tmp.dc_power as dcPower, tmp.dc_voltage as dcVoltage,
tmp.dc_current as dcCurrent, tmp.site_id as siteId, tmp.device_id as deviceId
from ems_pcs_branch_data tmp
where tmp.site_id = #{siteId}
and tmp.device_id = #{deviceId}
and tmp.update_time = (select MAX(t.update_time) FROM ems_pcs_branch_data t where t.site_id = tmp.site_id
and t.device_id = tmp.device_id and t.branch_id = tmp.branch_id)
order by tmp.branch_id
FROM (
SELECT t.*, ROW_NUMBER() OVER ( PARTITION BY t.branch_id ORDER BY t.update_time DESC ) AS rn
FROM ems_pcs_branch_data t
WHERE t.site_id = #{siteId} AND t.device_id = #{deviceId}
) tmp
WHERE rn = 1
ORDER BY tmp.branch_id;
</select>
</mapper>