Re: showing records from the last 20 min

the age function can also be used i guess.

where age(tstamp) <  '20 mins'::interval


regds
mallah.

On Tuesday 18 Mar 2003 11:49 pm, Tomasz Myrta wrote:
> Użytkownik Matthew Nuzum napisał:
> > I know this is such a simple question, but I can't find the answer in
> > the manual and I've tried very hard to find it.
> >
> > I want to show all the records in a table that occurred in the last 20
> > min.
> >
> > So, maybe something like:
> > select * from sys_logins WHERE tstamp >= now() - '00:20';
> >
> > on pg 7.3.2 this produces the error:
> > ERROR:  Bad timestamp external representation '00:20'
> >
> > Thanks for any help,
> Did you mean:
> select * from sys_logins
> WHERE tstamp >= now()-cast('20:00' as interval);
> ?
>
> Regards,
> Tomasz Myrta
>
>
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