Re: [HACKERS] Views on aggregates - need assistence

Bruce Momjian <maillist@candle.pha.pa.us>

From: Bruce Momjian <maillist@candle.pha.pa.us>
To: scrappy@hub.org (The Hermit Hacker)
Cc: jwieck@debis.com, pgsql-hackers@postgreSQL.org
Date: 1998-02-23T20:05:14Z
Lists: pgsql-hackers
> 
> On Mon, 23 Feb 1998, Bruce Momjian wrote:
> 
> > Actually, it does handle unions of views, but not views of unions. 
> > Informix doesn't support it either, and I don't know what the other
> > dbms's do, but I think I am going to find out soon from someone.  :-)
> 
> 	What exactly would you like me to try here? *raised eyebrow*
> 
> 
> 


	create view as
		select oid from pg_user union select oid from pg_class

or something like that.  That will not work under PostgreSQL.  But you
can use views as part of a union:

	select oid from view1
	union
	select oid from view2


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