From: | Dave Cramer <pg(at)fastcrypt(dot)com> |
---|---|
To: | Edoardo Ceccarelli <eddy(at)axa(dot)it> |
Cc: | "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org>, pgsql-performance(at)postgresql(dot)org, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: [JDBC] is a good practice to create an index on the oid? |
Date: | 2004-04-26 23:04:07 |
Message-ID: | 1083020647.13952.164.camel@localhost.localdomain |
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Lists: | pgsql-admin pgsql-jdbc 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
519 939 0336
ICQ # 14675561
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