Re: My indexes aren't being used (according to EXPLAIN)
От | Erik Norvelle |
---|---|
Тема | Re: My indexes aren't being used (according to EXPLAIN) |
Дата | |
Msg-id | 99468E86-2410-11D8-BDFB-000A9583BF06@norvelle.net обсуждение исходный текст |
Ответ на | Re: My indexes aren't being used (according to EXPLAIN) (Andrew Sullivan <andrew@libertyrms.info>) |
Список | pgsql-performance |
The ANALYSE did the trick... Thanks! Will also read through the archives... -Erik On lunes, dici 1, 2003, at 15:04 Europe/Madrid, Andrew Sullivan wrote: > On Mon, Dec 01, 2003 at 02:40:30PM +0100, Erik Norvelle wrote: >> >> it=> explain select * from indethom where clavis < 25; > > What's the percentage of the table where clavis < 25? Have you > ANALYSEd recently? What does the pg_stats view tell you about this > table? > >> Feel free to point me to any FAQ or previous message that already >> answers this question. Thanks in advance! > > This is a pretty common sort of problem. See the archives of this > list for several fairly recent discussions of these sorts of > problems. > > A > > -- > ---- > Andrew Sullivan 204-4141 Yonge Street > Afilias Canada Toronto, Ontario Canada > <andrew@libertyrms.info> M2P 2A8 > +1 416 646 3304 x110 > > > ---------------------------(end of > broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org >
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