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	id AA03507; Tue, 10 Mar 92 14:27:35 -0800
Message-Id: <9203102227.AA03507@postgres.Berkeley.EDU>
From: postarch (Postgres Mailing Archive)
Subject: Re: multiple types of instances from a retrieve command
To: postgres@postgres.berkeley.edu
Sender: pg_adm@postgres.berkeley.edu
Reply-To: mer@postgres.berkeley.edu
In-Reply-To: Your message of "Wed, 04 Mar 92 15:59:31 PST."
             <9203042359.AA17697@postgres.Berkeley.EDU> 
Date: Tue, 10 Mar 92 14:27:22 PST

you write:

>In what situations will a "query returns multiple instance types from an
>inheritance heirachy?"

There isn't one.  You always get what you ask for in the target list.
The manual is wrong.  You can get multiple instance types when your
queries cause rules to fire, but these will be returned in an asynchronous
portal (coming soon to a dbms near you).


Jeff Meredith
mer@postgres.berkeley.edu