From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
---|---|
To: | "Valsecchi, Patrick" <patrick(dot)valsecchi(at)nagrastar(dot)com> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: Indexes not used for "min()" |
Date: | 2003-08-04 20:58:15 |
Message-ID: | 20030804205815.GA14136@wolff.to |
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Lists: | pgsql-bugs |
On Tue, Jul 29, 2003 at 09:48:37 -0600,
"Valsecchi, Patrick" <patrick(dot)valsecchi(at)nagrastar(dot)com> wrote:
>
> When doing the following query, it's obvious that postgres should use
> the index:
>
> stats=# explain select min(time) from call;
This has been discussed on the mailing lists numerous times. If you are
interested in details you can search the archives. If you just want a faster
equivalent query use:
select time from call order by time limit 1;
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