From: | tony <tony(at)tgds(dot)net> |
---|---|
To: | Richard Huxton <dev(at)archonet(dot)com> |
Cc: | postgres list <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: date problem |
Date: | 2005-05-16 08:51:37 |
Message-ID: | 1116233497.8944.4.camel@hush |
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Thread: | |
Lists: | pgsql-general |
Le lundi 16 mai 2005 à 09:44 +0100, Richard Huxton a écrit :
> > works for one record but other fields I need must be in aggregate or
> > grouped. Is there a simple SQL request to get the most recent records
> > from a set of joined tables?
>
> SELECT * FROM expo WHERE date = (SELECT max(date) FROM expo WHERE date <
> now());
>
> In fact, you might want to rewrite the subselect. Oh, and "date" is
> likely to cause trouble as a column-name.
>
> SELECT * FROM expo
> WHERE my_date = (
> SELECT my_date FROM expo
> WHERE my_date < now()
> ORDER BY my_date DESC LIMIT 1
> )
Thanks! I wasn't really using date but for clarity had put that instead
of my French column name...
Tony
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