From: | Martín Marqués <martin(at)bugs(dot)unl(dot)edu(dot)ar> |
---|---|
To: | "Brandon Metcalf" <bmetcalf(at)nortel(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: query for records based on date |
Date: | 2005-02-21 20:42:54 |
Message-ID: | 200502211742.55144.martin@bugs.unl.edu.ar |
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Thread: | |
Lists: | pgsql-sql |
El Lun 21 Feb 2005 17:00, Brandon Metcalf escribió:
> If I have a table with an attribute of type "timestamp without time
> zone", what is the best way to query that table for records that are
> older than, say, one week.
>
> I suppose I could get the current time in epoch seconds and the time of
> the attribute in the same, and select those records where the difference
> is greater than the number of seconds in a week. Is there something
> easier like
>
> SELECT * FROM table WHERE attribute IS OLDER THAN one week;
SELECT * FROM table WHERE attribute < (now()::DATE - 7)::TIMESTAMP;
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Martín Marqués | select 'mmarques' || '@' || 'unl.edu.ar'
Centro de Telematica | DBA, Programador, Administrador
Universidad Nacional
del Litoral
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