From 9c349789633a27ec0cecc2499933012492807642 Mon Sep 17 00:00:00 2001
From: wangyimeng <421132955@qq.com>
Date: 星期五, 03 三月 2023 20:59:56 +0800
Subject: [PATCH] 修复查询设备通道目录时查询报错的问题

---
 src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
index dd3659d..9e2b1b7 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
@@ -1,5 +1,6 @@
 package com.genersoft.iot.vmp.storager.dao;
 
+import com.genersoft.iot.vmp.gb28181.bean.Device;
 import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
 import com.genersoft.iot.vmp.gb28181.bean.DeviceChannelInPlatform;
 import com.genersoft.iot.vmp.vmanager.bean.ResourceBaceInfo;
@@ -315,10 +316,10 @@
             "select * " +
             "from device_channel " +
             "where deviceId=#{deviceId}" +
-            " <if test='parentId != null and length != null' > and parentId = #{parentId} or left(channelId, #{parentId.length()}) = #{parentId} and length(channelId)=#{length} </if>" +
+            " <if test='parentId != null and length != null' > and parentId = #{parentId} or left(channelId, LENGTH(#{parentId})) = #{parentId} and length(channelId)=#{length} </if>" +
             " <if test='parentId == null and length != null' > and parentId = #{parentId} or length(channelId)=#{length} </if>" +
             " <if test='parentId == null and length == null' > and parentId = #{parentId} </if>" +
-            " <if test='parentId != null and length == null' > and parentId = #{parentId} or left(channelId, #{parentId.length()}) = #{parentId} </if>" +
+            " <if test='parentId != null and length == null' > and parentId = #{parentId} or left(channelId, LENGTH(#{parentId})) = #{parentId} </if>" +
             " </script>"})
     List<DeviceChannel> getChannelsWithCivilCodeAndLength(String deviceId, String parentId, Integer length);
 
@@ -371,4 +372,7 @@
             "and  longitude != 0 " +
             "and (latitudeGcj02 = 0 or latitudeWgs84 = 0 or longitudeWgs84 = 0 or longitudeGcj02 = 0)")
     List<DeviceChannel> getChannelsWithoutTransform(String deviceId);
+
+    @Select("select de.* from device de left join device_channel dc on de.deviceId = dc.deviceId where dc.channelId=#{channelId}")
+    List<Device> getDeviceByChannelId(String channelId);
 }

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