Re: why sequential scan is used on indexed column ???
| От | Andreas Kretschmer |
|---|---|
| Тема | Re: why sequential scan is used on indexed column ??? |
| Дата | |
| Msg-id | 20080614145944.GA9923@tux обсуждение исходный текст |
| Ответ на | why sequential scan is used on indexed column ??? (Julius Tuskenis <julius.tuskenis@gmail.com>) |
| Ответы |
Re: why sequential scan is used on indexed column ???
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| Список | pgsql-general |
Julius Tuskenis <julius.tuskenis@gmail.com> schrieb: > Hello. > > I have a question concerning performance. One of my queries take a long > to execute. I tried to do "explain analyse" and I see that the > sequential scan is being used, although I have indexes set on columns > that are used in joins. The question is - WHY, and how to change that > behavior??? Try to create an index on apsilankymai.sas_id Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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