Re: Apparently I don't understand full outer joins.... - Mailing list pgsql-general

From Ben
Subject Re: Apparently I don't understand full outer joins....
Date
Msg-id Pine.LNX.4.44.0501251304200.9786-100000@localhost.localdomain
Whole thread Raw
In response to Re: Apparently I don't understand full outer joins....  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
List pgsql-general
Thanks guys, this works great.

On Tue, 25 Jan 2005, Stephan Szabo wrote:

>
> Each outer join gets an on clause.  You might want something like:
> select
>         coalesce(a.n,0) as a,
>         coalesce(b.n,0) as b,
>         coalesce(c.n,0) as c,
>         coalesce(a.s,b.s,c.s) as s
> from
>         ( select 1 as n, 0 as s) a full outer join
>         ( select 1 as n, 1 as s) b on (a.s=b.s) full outer join
>         ( select 2 as n, 2 as s) c on b.s = c.s;
>
>



pgsql-general by date:

Previous
From: Stephan Szabo
Date:
Subject: Re: Apparently I don't understand full outer joins....
Next
From: leon-pg@comvision.com
Date:
Subject: Delete with a multi-column join?