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update 优化 大数据量下join卡顿问题 使用子查询提高性能

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疯狂的狮子Li
2024-06-28 12:49:58 +08:00
parent 3dff529920
commit a4fe077a23
5 changed files with 13 additions and 37 deletions
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33
ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
View File

@ -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">

4
ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
View File

@ -48,9 +48,7 @@
r.data_scope,
r.status
from sys_role r
left join sys_user_role sur on sur.role_id = r.role_id
left join sys_user u on u.user_id = sur.user_id
WHERE r.del_flag = '0' and sur.user_id = #{userId}
WHERE r.del_flag = '0' and r.role_id in (select role_id from sys_user_role where user_id = #{userId})
</select>
<select id="selectRoleById" resultMap="SysRoleResult">