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Re: [JDBC] is a good practice to create an index on the oid?

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 (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-jdbcpgsql-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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