charging_pile/common/target/classes/mapper/EquipmentMapper.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.hcy.common.mapper.client.EquipmentMapper">
<!-- 通用查询映射结果 -->
<resultMap id="BaseResultMap" type="com.hcy.common.entity.client.Equipment">
</resultMap>
<select id="provinceEquipment" resultType="com.hcy.common.dto.largeDataDto.ClientLargeDataDto">
SELECT
dr.name as province,
COUNT( e.province_id ) AS equipmentCount,
SUM( CASE WHEN e.device_status = 1 THEN 1 ELSE 0 END ) AS normalCount,
SUM( CASE WHEN e.device_status = 2 THEN 1 ELSE 0 END ) AS underOverhaulCount,
SUM( CASE WHEN e.device_status = 3 THEN 1 ELSE 0 END ) AS underWarrantyCount
FROM
la_equipment AS e
JOIN la_dev_region as dr on e.province_id = dr.id
where
e.is_delete = 0
GROUP BY
e.province_id
ORDER BY
equipmentCount DESC
LIMIT 5;
</select>
</mapper>