From 1af82bc2d03920111b6427c2346518a55da84bf2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=80=81=E6=96=B9=E4=B8=88?= <1184321658@qq.com>
Date: Tue, 5 Apr 2022 06:23:33 +0000
Subject: [PATCH] update install_guide.md. user_variables_by_thread

---
 install_guide.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/install_guide.md b/install_guide.md
index 896927d..acb6de6 100644
--- a/install_guide.md
+++ b/install_guide.md
@@ -148,6 +148,16 @@ MySQL 5.5 和 MySQL 8.0配置MySQL连接权限的 **_方式不一样_** ，分
 
   3.查看 application.yml 配置文件的redis服务设置部分的配置是否正确。
 
+### 数据库user_variables_by_thread报错
+
+- 错误现象
+SELECT command denied to user ‘root‘@‘192.168.*.*‘ for table ‘user_variables_by_thread‘报错
+普通mysql用户nature对performance_schema数据库的user_variables_by_thread表没有select权限
+
+- 解决方案
+  登录mysql中root用户
+  mysql> grant select on `performance_schema`.user_variables_by_thread to nature@"%";
+  mysql> flush privileges;
   
 
 ## 产品经理微信