Question

我想运行像

这样的查询

select ... as days where `date` is between '2010-01-28' and '2010-02-03'

并返回如下数据：

days
---
28
29
30
31
1
2
3

Answer 1

select extract(day from d) as days
from generate_series(timestamp '2010-01-28', timestamp '2010-02-03', interval '1' day) as d
order by d;