Re: name search query speed
| От | Markus Schaber |
|---|---|
| Тема | Re: name search query speed |
| Дата | |
| Msg-id | 422789C0.20201@logix-tt.com обсуждение исходный текст |
| Ответ на | Re: name search query speed (Jeremiah Jahn <jeremiah@cs.earlham.edu>) |
| Список | pgsql-performance |
Hi, Jeremiah, Jeremiah Jahn schrieb: > doesn't that cause two queries? I used to do it that way and cut my time > substantially by counting in-line. Even though the results were cached > it still took more time. This sounds rather strange. > Also since the tables is constantly be updated > the returned total would not always match the number of results on the > second query. Did you run both queries in the same transaction, with transaction isolation level set to serializable? If yes, you found a serious bug in PostgreSQL transaction engine. Markus -- Markus Schaber | Dipl. Informatiker | Software Development GIS Fight against software patents in EU! http://ffii.org/ http://nosoftwarepatents.org/
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