Re: [JDBC] is a good practice to create an index on the oid?
| От | Dave Cramer | 
|---|---|
| Тема | Re: [JDBC] is a good practice to create an index on the oid? | 
| Дата | |
| Msg-id | 1083020647.13952.164.camel@localhost.localdomain обсуждение исходный текст | 
| Ответ на | is a good practice to create an index on the oid? (Edoardo Ceccarelli <eddy@axa.it>) | 
| Список | pgsql-performance | 
Yes, you can create an index on the oid, but unless you are selecting on it, it is of little use. you would have to do select * from foo where oid=? to get any value out of the index. Dave On Mon, 2004-04-26 at 12:38, Edoardo Ceccarelli wrote: > I am using the oid of the table as the main key and I've found that is > not indexed (maybe because I have declared another primary key in the table) > > it is a good practice to create an index like this on the oid of a table? > CREATE INDEX idoid annuncio400 USING btree (oid); > > > does it work as a normal index? > > Thank you > Edoardo > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > > > > !DSPAM:408d7c38183971270217895! > > -- Dave Cramer 519 939 0336 ICQ # 14675561
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