我在执行授权的时候特别慢,问题在 pkg/scdb/storage/storage.go 的 QueryInfoSchema 函数是循环900+造成的慢。 <img width="1464" height="750" alt="Image" src="https://github.com/user-attachments/assets/0753ebef-b168-45fe-aa4c-c7744523b923" /> 这是我抓到的grant执行的sql <img width="1484" height="521" alt="Image" src="https://github.com/user-attachments/assets/076d17f4-a203-4068-ab08-569ca4f83eb7" /> 通过claude分析这块代码存在优化点 <img width="1061" height="549" alt="Image" src="https://github.com/user-attachments/assets/aa28c244-6cbd-4279-a3a7-cada7453dbbf" /> <img width="1005" height="773" alt="Image" src="https://github.com/user-attachments/assets/03c350cc-f18a-4a57-a0bc-901f25c92747" />