如上图，已知日期2022-01-01， 需要获得以2022-01-01为终点的10天的连续时间序列
附代码如下：
select date_add(dateadd(to_date('20220101','yyyymmdd'), 9, 'dd'), a.pos) as special_date
from (select posexplode(split(repeat(" ", datediff(to_date('20220101','yyyymmdd'),
dateadd(to_date('20220101','yyyymmdd'), 9, 'dd'))), " "))) a
