From 058f8a4ddd743a153def7d0d1da2a12126bd0aac Mon Sep 17 00:00:00 2001
From: FatttSnake <fatttsnake@gmail.com>
Date: Wed, 17 May 2023 15:09:39 +0800
Subject: [PATCH] Optimized group sql query statement

---
 Pinnacle/src/main/resources/mapper/GroupMapper.xml | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/Pinnacle/src/main/resources/mapper/GroupMapper.xml b/Pinnacle/src/main/resources/mapper/GroupMapper.xml
index de297e8..da5c77b 100644
--- a/Pinnacle/src/main/resources/mapper/GroupMapper.xml
+++ b/Pinnacle/src/main/resources/mapper/GroupMapper.xml
@@ -12,11 +12,9 @@
                tr.deleted      as role_deleted,
                tr.version      as role_version
         from t_group
-                 left join t_role_group trg on t_group.id = trg.group_id
-                 left join t_role tr on tr.id = trg.role_id
-        where t_group.deleted = 0
-          and (tr.deleted = 0 or tr.deleted is null)
-          and (trg.deleted = 0 or trg.deleted is null)
+                 left join (select * from t_role_group where deleted = 0) as trg on t_group.id = trg.group_id
+                 left join (select * from t_role where deleted = 0) as tr on tr.id = trg.role_id
+        where t_group.deleted = 0;
     </select>
 
     <select id="getOneById" resultMap="groupMap">
@@ -29,8 +27,8 @@
                tr.deleted      as role_deleted,
                tr.version      as role_version
         from t_group
-                 left join t_role_group trg on t_group.id = trg.group_id
-                 left join t_role tr on tr.id = trg.role_id
+                 left join (select * from t_role_group where deleted = 0) as trg on t_group.id = trg.group_id
+                 left join (select * from t_role where deleted = 0) as tr on tr.id = trg.role_id
         where t_group.deleted = 0
           and (tr.deleted = 0 or tr.deleted is null)
           and (trg.deleted = 0 or trg.deleted is null)