Hello,
At 19.00 07/03/99 -0800, you wrote:
>So, is there an eloquent (or not) way to fake an outer join in PostgreSQL?
yes! Example of a workaround using unions:
select
X.a, X.b,
Y.a, Y.b
from
X left outer join Y on X.a = Y.a
becomes
select
X.a, X.b,
Y.a, Y.b
from
X,Y
where
X.a = Y.a
union
select
X.a, X.b,
null, null
from
X
where
not exists (select * from Y where Y.a = X.a)
Little cumbersome but it works.
Bye!
Sbragion Denis
InfoTecna
Tel, Fax: +39 039 2324054
URL: http://space.tin.it/internet/dsbragio
