Re: full-text indexing
От | Jim Richards |
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Тема | Re: full-text indexing |
Дата | |
Msg-id | 200004190130.VAA42535@hub.org обсуждение исходный текст |
Ответ на | Re: full-text indexing (Bruce Momjian <pgman@candle.pha.pa.us>) |
Ответы |
Re: full-text indexing
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Список | pgsql-general |
At 08:40 PM 18/04/00 -0400, Bruce Momjian wrote: >I have one word for you: CLUSTER. Without it, index lookups are too >slow. With it, they are rapid. I have done some work like this >commerically with Ingres, which has an ISAM type that keeps the matching >rows pretty close on a newly-created ISAM index. In PostgreSQL, and >regular CLUSTER will keep you good. The only down side of CLUSTER is that you loose your other keys on the table, including a primary key, so you loose out on your intregrity checks, which you the have to explictily re-apply with CREATE UNQIUE INDEX ... -- Kumera - a new Open Source Content Management System for small to medium web sites written in Perl and using XML http://www.cyber4.org/kumera/index.html
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