From b723fc5252ec44bd2db384ebda9a29ec686f8d9f Mon Sep 17 00:00:00 2001
From: Nashira <hao.jia@i-school.net>
Date: Wed, 13 Apr 2022 16:24:00 +0800
Subject: [PATCH] bug fixed:
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API: /api/device/query/devices/{deviceId}
    修复返回值中channelCount属性常为0的问题
---
 .../java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
index aab8d7739..d80fb887c 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
@@ -13,7 +13,7 @@ import java.util.List;
 @Repository
 public interface DeviceMapper {
 
-    @Select("SELECT * FROM device WHERE deviceId = #{deviceId}")
+    @Select("SELECT *, (SELECT count(0) FROM device_channel WHERE deviceId=device.deviceId) as channelCount FROM device WHERE deviceId = #{deviceId}")
     Device getDeviceByDeviceId(String deviceId);
 
     @Insert("INSERT INTO device (" +