From: | Andrew Rawnsley <ronz(at)ravensfield(dot)com> |
---|---|
To: | MaRCeLO PeReiRA <gandalf_mp(at)yahoo(dot)com(dot)br> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Dates |
Date: | 2004-02-16 19:53:13 |
Message-ID: | C12259DB-60B9-11D8-BD8B-000393A47FCC@ravensfield.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
Subtracting two dates/timestamps will return an interval. So
select now()::date - '2004-01-13'::date
returns 34.
Is this what you need?
On Feb 16, 2004, at 2:01 PM, MaRCeLO PeReiRA wrote:
> Hi Guys,
>
> I am in troubles with some dates.
>
>
> "I need to know the difference, in days, between two
> dates."
>
> Well, if the difference is less than a month, so I
> could use:
>
> SELECT date_part('day', age(now(), mydate));
>
> But, when it is bigger than a month, the select above
> return a wrong information to me:
>
> For instance:
>
> intranet=# select age('30/01/2004', '01/03/2004');
> age
> -----------------------
> @ 1 mon 2 days 1 hour
>
> So, if I use date_part(), it would return "2 days",
> not "31 days", that is what I was waiting for.
>
> How can I get the difference, in days, between two
> dates???
>
> Thanks in advance and
> Best Regards,
>
>
>
> ______________________________________________________________________
>
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--------------------
Andrew Rawnsley
President
The Ravensfield Digital Resource Group, Ltd.
(740) 587-0114
www.ravensfield.com
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