From: | Jean-Luc Lachance <jllachan(at)nsd(dot)ca> |
---|---|
To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
Cc: | Randall Perry <rgp(at)systame(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Can this be done in one query? |
Date: | 2002-05-08 14:48:16 |
Message-ID: | 3CD93AB0.AEDC2398@nsd.ca |
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Lists: | pgsql-general |
Or maybe if date_time is of type timestamp:
select date( select date_time from log order by date_time desc limit 1);
JLL
Stephan Szabo wrote:
>
> On Tue, 7 May 2002, Randall Perry wrote:
>
> > With the following:
> >
> > select max(date) from log order by date_time desc limit 12;
> >
> > The limit clause has no effect on the results; it'll get the latest date
> > from the entire record set rather than from the last 12 records.
>
> Maybe something like:
> select max(date) from (select date from log order by date_time desc limit
> 12) c;
>
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