Message-ID: <BAY104-F13E662F56440DC27A08BDAB2050@phx.gbl>
In-Reply-To: <22df564b05060107539603a26@mail.gmail.com>
From: "David Klugmann" <dklugmann@hotmail.com>
To: rafacouto@gmail.com
Cc: pgsql-sql@postgresql.org
Subject: Re: View unique rowid
Date: Wed, 01 Jun 2005 15:17:41 +0000
Mime-Version: 1.0
Content-Type: text/plain; format=flowed

Many thanks

I think the problem with using the oid from the primary table is that may 
rows in the view definition will get the same oid because of the union.

Thanks very much anyway.

I will look at the temporary sequence although I am not sure if sequences 
work with views.

Regards

David

>From: Rafa Couto <rafacouto@gmail.com>
>Reply-To: Rafa Couto <rafacouto@gmail.com>
>To: David Klugmann <dklugmann@hotmail.com>
>CC: pgsql-sql@postgresql.org
>Subject: Re: [SQL] View unique rowid
>Date: Wed, 1 Jun 2005 16:53:19 +0200
>
> > Is it possible to refer to a unique row identifier on a view ?
> >
> > I have the following view but in a subsequent select I need to refer to
> > each row's unique identifier and I know oid's are not valid for a view.
>
>
>You can get an oid from some table in view definition. May be it
>results to resolve your problem...
>
>You can also try "create temp sequence" (review
>http://archives.postgresql.org/pgsql-sql/2005-05/msg00126.php)
>
>
>select 'saludos';
>
>--
>Rafa Couto (caligari)
>mailto:rafacouto@gmail.com
>
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