摘要:
select api_path ,avg(time ) as time_avg ,max(case when rn = cast(cn * 0.5 as UNSIGNED) then time end) as time_p50 ,max(case when rn = cast(cn * 0.8 as 阅读全文
摘要:
-- 自定义排序 select FIND_IN_SET(str, 'a,b,c,d,e') as str_fis ,str from ( select 'b' as str union all select 'a' as str union all select 'd' as str union a 阅读全文