From: | "D(dot) Duccini" <duccini(at)backpack(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Pgsql-novice <pgsql-novice(at)postgresql(dot)org> |
Subject: | Re: Indexes not used |
Date: | 2001-03-15 20:42:04 |
Message-ID: | Pine.GSO.4.03.10103151440560.2896-100000@ra.bpsi.net |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-novice |
not even a million
# select count(*) from radusage;
count
--------
573042
(1 row)
what is the analyze? i've run vacuum several times
On Thu, 15 Mar 2001, Tom Lane wrote:
> "D. Duccini" <duccini(at)backpack(dot)com> writes:
> > # explain select * from radusage where account = 'someuser';
>
> > Seq Scan on radusage (cost=0.00..13839.67 rows=5757 width=50)
>
> Have you done a VACUUM ANALYZE?
>
> The rows count looks like it might be a default estimate (but I'm just
> counting on my fingers to guess that you have about a million rows in
> the table). If the rows count *is* accurate then a seq scan is
> probably the right thing to be using...
>
> regards, tom lane
>
-----------------------------------------------------------------------------
david(at)backpack(dot)com BackPack Software, Inc. www.backpack.com
+1 651.645.7550 voice "Life is an Adventure.
+1 651.645.9798 fax Don't forget your BackPack!"
-----------------------------------------------------------------------------
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2001-03-15 20:46:11 | Re: Indexes not used |
Previous Message | Jeff Williams | 2001-03-15 20:40:00 | PosgreSQL Windows install |