Thomas G. Lockhart wrote:
>
> > It's not the aggregates, it is the whole '= (subquery)' that is missing
> > from gram.y. I am adding it now.
>
> Right, and aggregates are the only way in general to get a singleton result from
> a subselect. OK, I forgot about "where y = (select 1)". Well, only _useful_
> way?? I'll bet I'm forgetting another one too...
How about "where y = (select distinct foo from bar where n=5)" ?
Ocie