Re: [JDBC] is a good practice to create an index on the oid? - Mailing list pgsql-performance

From Dave Cramer
Subject Re: [JDBC] is a good practice to create an index on the oid?
Date
Msg-id 1083020647.13952.164.camel@localhost.localdomain
Whole thread Raw
In response to is a good practice to create an index on the oid?  (Edoardo Ceccarelli <eddy@axa.it>)
List 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
>
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Dave Cramer
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