[fix]：iot home count

yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/IotDeviceMapper.xml

@@ -0,0 +1,25 @@
+<?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="cn.iocoder.yudao.module.iot.dal.mysql.device.IotDeviceMapper">
+
+    <select id="selectDeviceCountGroupByState" resultType="java.util.Map">
+        SELECT 
+            state AS `key`,
+            COUNT(1) AS `value`
+        FROM iot_device
+        WHERE deleted = 0
+        GROUP BY state
+    </select>
+
+    <select id="selectDeviceCountMapByProductId" resultType="java.util.Map">
+        SELECT
+            product_id AS `key`,
+            COUNT(1) AS `value`
+        FROM iot_device
+        WHERE deleted = 0
+        GROUP BY product_id
+    </select>
+
+</mapper>