Re: View & Query Performance
| От | Richard Huxton |
|---|---|
| Тема | Re: View & Query Performance |
| Дата | |
| Msg-id | 416F7E22.6000702@archonet.com обсуждение исходный текст |
| Ответ на | View & Query Performance ("Igor Maciel Macaubas" <igor@providerst.com.br>) |
| Список | pgsql-performance |
Igor Maciel Macaubas wrote: > Hi all, > > I'm trying to find smarter ways to dig data from my database, and > have the following scenario: > > table1 -- id -- name . . . . . . > > table2 -- id -- number . . . . . . > > I want to create a view to give me back just what I want: The id, the > name and the number. I tought in doing the following: create view > my_view as select t1.id, t1.name, t2.number from table1 as t1, table2 > as t2 where t1.id = t2.id; > > Will this be enough fast ? Are there a faster way to make it work ?! > This table is mid-big, around 100K registers .. That's as simple a way as you will find. If you apply further conditions, e.g. SELECT * FROM my_view WHERE id = 123; then you should see any index on "id" being used. -- Richard Huxton Archonet Ltd
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