From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Business days |
Date: | 2007-04-26 05:17:46 |
Message-ID: | 20070426051746.GA10365@a-kretschmer.de |
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Lists: | pgsql-general |
am Wed, dem 25.04.2007, um 21:01:13 -0400 mailte Eddy D. Sanchez folgendes:
> Hello...
> I need to get the a total number of business days (from monday to
> friday) between two dates.
> Someone can help me please.
For instance the number of business days between 2007-04-01 and
2007-04-30:
select sum(case when extract (dow from foo) in(1,2,3,4,5) then 1 else 0 end)
from (select ('2007-04-01'::date + (generate_series(0,'2007-04-30'::date - '2007-04-01'::date)||'days')::interval) as foo) foo;
Unregardedly Easter!
Andreas
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Andreas Kretschmer
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