"Willy-Bas Loos" <willybas(at)gmail(dot)com> writes:
> I want to test the behavior of an an aggregate without creating a dummy
> table for it.
> But the code for it is horrible.
> Is there no simpler way?
> select max(foo)
> from (select 1 as foo union select 2 as foo)bar;
Perhaps VALUES?
regression=# select max(foo) from (values(1,2),(3,4),(5,6)) as v(foo,bar);
max
-----
5
(1 row)
regards, tom lane