Re: My indexes aren't being used (according to EXPLAIN)
От | Andrew Sullivan |
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Тема | Re: My indexes aren't being used (according to EXPLAIN) |
Дата | |
Msg-id | 20031201140410.GC4107@libertyrms.info обсуждение исходный текст |
Ответ на | My indexes aren't being used (according to EXPLAIN) (Erik Norvelle <erik@norvelle.net>) |
Ответы |
Re: My indexes aren't being used (according to EXPLAIN)
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Список | pgsql-performance |
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
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