From: | Martin Hampl <Martin(dot)Hampl(at)gmx(dot)de> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: Query does not use index |
Date: | 2004-05-01 15:58:29 |
Message-ID: | 63684DAC-9B88-11D8-9140-000393674318@gmx.de |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-novice |
Am 01.05.2004 um 17:48 schrieb Tom Lane:
> Martin Hampl <Martin(dot)Hampl(at)gmx(dot)de> writes:
>> Am 30.04.2004 um 17:52 schrieb Tom Lane:
>>> It could be that this table has a lot of empty pages near the front,
>
>> I never deleted anything from this database, but it might be that I
>> dropped some of the tables a couple of times when populating the
>> database. Also 'copy from' failed a couple of times. Can that have the
>> same effect?
>
> A failed copy-in would leave a dead row for each input line that it was
> able to process before hitting the error. So potentially that could
> account for a lot of dead rows. I think there is a hint on the COPY
> reference page suggesting that you VACUUM in such a situation ...
There is. Well...
Regards,
Martin
From | Date | Subject | |
---|---|---|---|
Next Message | Chari Clark | 2004-05-03 20:20:13 | Restoring a SQL Server 2000 database to PostGreSQL... |
Previous Message | Tom Lane | 2004-05-01 15:48:57 | Re: Query does not use index |