From a4fe077a231ed2ae0094af0fc6fa0735b764c862 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期五, 28 六月 2024 12:49:58 +0800
Subject: [PATCH] update 优化 大数据量下join卡顿问题 使用子查询提高性能
---
ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
index fad1812..a9d4886 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
@@ -11,9 +11,8 @@
select distinct m.menu_id, m.parent_id, m.menu_name, m.path, m.component, m.query_param, m.visible, m.status,
m.perms, m.is_frame, m.is_cache, m.menu_type, m.icon, m.order_num, m.create_time
from sys_menu m
- left join sys_role_menu rm on m.menu_id = rm.menu_id
- left join sys_user_role sur on rm.role_id = sur.role_id
- left join sys_role ro on sur.role_id = ro.role_id
+ left join sys_role_menu rm on m.menu_id = rm.menu_id
+ left join sys_role r on sur.role_id = r.role_id
${ew.getCustomSqlSegment}
</select>
@@ -34,14 +33,10 @@
m.order_num,
m.create_time
from sys_menu m
- left join sys_role_menu rm on m.menu_id = rm.menu_id
- left join sys_user_role sur on rm.role_id = sur.role_id
- left join sys_role ro on sur.role_id = ro.role_id
- left join sys_user u on sur.user_id = u.user_id
- where u.user_id = #{userId}
- and m.menu_type in ('M', 'C')
- and m.status = '0'
- and ro.status = '0'
+ left join sys_role_menu rm on m.menu_id = rm.menu_id and m.status = '0'
+ left join sys_role r on rm.role_id = r.role_id and r.status = '0'
+ where m.menu_type in ('M', 'C')
+ and r.role_id in (select role_id from sys_user_role where user_id = #{userId})
order by m.parent_id, m.order_num
</select>
@@ -57,22 +52,12 @@
order by m.parent_id, m.order_num
</select>
- <select id="selectMenuPerms" resultType="String">
- select distinct m.perms
- from sys_menu m
- left join sys_role_menu rm on m.menu_id = rm.menu_id
- left join sys_user_role sur on rm.role_id = sur.role_id
- </select>
-
<select id="selectMenuPermsByUserId" parameterType="Long" resultType="String">
select distinct m.perms
from sys_menu m
- left join sys_role_menu rm on m.menu_id = rm.menu_id
- left join sys_user_role sur on rm.role_id = sur.role_id
- left join sys_role r on r.role_id = sur.role_id
- where m.status = '0'
- and r.status = '0'
- and sur.user_id = #{userId}
+ left join sys_role_menu rm on m.menu_id = rm.menu_id and m.status = '0'
+ left join sys_role r on r.role_id = rm.role_id and r.status = '0'
+ where r.role_id in (select role_id from sys_user_role where user_id = #{userId})
</select>
<select id="selectMenuPermsByRoleId" parameterType="Long" resultType="String">
--
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