select case a when 0 then 1 else (select max(uuid) from t_user)+1 end as b from (select count(uuid) as a from t_user)
- 周六. 4月 20th, 2024
select case a when 0 then 1 else (select max(uuid) from t_user)+1 end as b from (select count(uuid) as a from t_user)