In response to Andreas :
>
> A. Kretschmer schrieb:
> >[...] Or simpler:
> >
> >test=*# select ((d-'2009-10-02'::date)/14) || '. period' as period,
> >sum(value) from foo group by 1;
> >
> This is tricky, because you use a text-column to sort but need numerical
> sorting since there will be more than 0-9 periods.
Yes, sure. Use ((d-'2009-10-02'::date)/14) instead for order. My fault.
>
> This is still the way to handle the periodity without pulling out some
> external skript language.
> Thanks for the reply. :)
Glad to help you ;-)
--
Andreas Kretschmer
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