From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
---|---|
To: | jerome <jerome(at)gmanmi(dot)tv> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: getting weekly total based on daily... |
Date: | 2003-01-27 13:14:18 |
Message-ID: | 20030127131418.GB27948@wolff.to |
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Lists: | pgsql-general |
On Mon, Jan 27, 2003 at 23:34:02 +0800,
jerome <jerome(at)gmanmi(dot)tv> wrote:
> but this gives me week on year not week of month...
If that is what you want then you want something like:
area=> select extract (day from current_date)::int / 7;
?column?
----------
3
(1 row)
However, you will need to decide for yourself how to count the first
partial week. Depending on what you decide, you will need a different
formula to produce.
>
> On Monday 27 January 2003 11:31, you wrote:
> > On Mon, Jan 27, 2003 at 16:52:50 +0800,
> >
> > jerome <jerome(at)gmanmi(dot)tv> wrote:
> > > i was wondering is there a built-in funtion that gets the weeknumber
> > > based on date..
> >
> > area=> select extract(week from current_date);
> > date_part
> > -----------
> > 4
> > (1 row)
> >
> > This is the ISO week of the year. Week 1 is the week containing the first
> > Thursday of the year. Weeks go from Monday to Sunday.
>
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