SELECT '=== SUPPLIER USERS ===' AS '';
SELECT user_id, user_name, dept_id, status, del_flag, password FROM sys_user WHERE user_name IN ('hsd','boyuan','ruida','lianmeng','hzjg');

SELECT '=== DEPT 100 EXISTS? ===' AS '';
SELECT dept_id, dept_name FROM sys_dept WHERE dept_id = 100;

SELECT '=== USER-ROLE ===' AS '';
SELECT u.user_name, r.role_key FROM sys_user u JOIN sys_user_role ur ON u.user_id=ur.user_id JOIN sys_role r ON ur.role_id=r.role_id WHERE u.user_name IN ('hsd','boyuan','ruida','lianmeng','hzjg');
