From b726dc97538b7d4ba71fd06c14161017dd67c2b7 Mon Sep 17 00:00:00 2001
From: xubinbin <1323875150@qq.com>
Date: 星期三, 10 五月 2023 15:38:22 +0800
Subject: [PATCH] "@schedule"是Spring框架提供的一种定时任务执行机制，默认情况下它是单线程执行，项目中多次使用fixedRate按指定频率执行任务(不管前面任务是否已经完成)，在同时执行多个定时任务时可能会出现阻塞和性能问题，为了解决这种单线程瓶颈问题，将定时任务的执行机制改为支持多线程
---
src/main/java/com/genersoft/iot/vmp/storager/dao/UserMapper.java | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/UserMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/UserMapper.java
index fe72a7d..ecaa165 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/UserMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/UserMapper.java
@@ -50,7 +50,7 @@
@ResultMap(value="roleMap")
List<User> selectAll();
- @Select("select * from (select user.*, concat(#{callId}_', pushKey) as str1 from user) as u where md5(u.str1) = #{sign}")
+ @Select("select * from (select user.*, concat(concat(#{callId}, '_'), pushKey) as str1 from user) as u where md5(u.str1) = #{sign}")
List<User> checkPushAuthorityByCallIdAndSign(String callId, String sign);
@Select("select * from user where md5(pushKey) = #{sign}")
--
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