From: | "Josh Berkus" <josh(at)agliodbs(dot)com> |
---|---|
To: | "Jeff Barrett" <jbarrett(at)familynetwork(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Restriction by grouping problem. |
Date: | 2001-07-26 21:50:14 |
Message-ID: | web-92249@davinci.ethosmedia.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
Jeff,
> The query I have now:
>
> SELECT min(datettime), sid FROM logs GROUP by sid;
>
> This returns the first instance of an sid in the logs table, there
> can be
> many rows in the table for each sid. The problem I have is that I do
> not
> need the SID I just need to group the min(datetime) by it.
The answer to this question is simple:
SELECT min(datetime) as mintime FROM logs GROUP BY sid;
However, I get the impression that your intended problem was more
complicated. Can you re-explain it?
-Josh
______AGLIO DATABASE SOLUTIONS___________________________
Josh Berkus
Complete information technology josh(at)agliodbs(dot)com
and data management solutions (415) 565-7293
for law firms, small businesses fax 621-2533
and non-profit organizations. San Francisco
From | Date | Subject | |
---|---|---|---|
Next Message | Jeff Barrett | 2001-07-26 22:03:35 | Re: Restriction by grouping problem. |
Previous Message | Jeff Hoffmann | 2001-07-26 21:20:07 | Re: performance issue with distance function |