Re: Indexes not used
От | D. Duccini |
---|---|
Тема | Re: Indexes not used |
Дата | |
Msg-id | Pine.GSO.4.03.10103151440560.2896-100000@ra.bpsi.net обсуждение исходный текст |
Ответ на | Re: Indexes not used (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | 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@backpack.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@backpack.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!" -----------------------------------------------------------------------------
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