refactor: 移除模型中的 uniqueIndex 约束

help/server_show冠名索引修复.sql

@@ -13,6 +13,11 @@ DROP INDEX IF EXISTS idx_server_show_server_id;
 CREATE INDEX IF NOT EXISTS idx_server_show_server_id ON server_show (server_id);
 
 -- 保证“一个玩家对一个服务器最多一条”
-CREATE UNIQUE INDEX IF NOT EXISTS idx_server_show_server_owner ON server_show (server_id, owner);
+ALTER TABLE server_show DROP CONSTRAINT IF EXISTS idx_server_show_server_owner;
+DROP INDEX IF EXISTS idx_server_show_server_owner;
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_server_show_server_owner
+ON server_show (server_id, owner)
+WHERE deleted_at IS NULL;
 
 COMMIT;