Re: type casting a subselect as an interval

On Fri, Feb 21, 2003 at 07:59:19PM +0900, Jean-Christian Imbeault wrote:
> How can I cast the return value of a sub-select as an interval?
>
> Something like:
>
> select current_timestamp - interval '(select days from T) days'

 You can cast it in the subselect:

 select current_timestamp - (select (days::text || 'd')::interval from T);

    Karel
--
 Karel Zak  <zakkr@zf.jcu.cz>
 http://home.zf.jcu.cz/~zakkr/