Re: time interval format srting

On Tue, Nov 4, 2008 at 10:53 AM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> On Tue, Nov 4, 2008 at 10:06 AM, Joao Ferreira gmail
> <joao(dot)miguel(dot)c(dot)ferreira(at)gmail(dot)com> wrote:
>> Hello,
>>
>> I've been searching the docs on a simple way to convert a time
>> _duration_ in seconds to the format dd:hh:mm:ss, but I can't find it.
>>
>> 90061 --> 1d 1h 1m 1s
>>
>> (90061=24*3600+3600+60+1)
>
> select number*interval '1 sec';

OK, that just gives hours:minutes:seconds. You can add and subtract
the same timestamp to get something like an interval

select ((9084000*interval '1 sec')+timestamp '2008-01-01')-timestamp
'2008-01-01';