Vadim B. Mikheev wrote:
>
> Bruce Momjian wrote:
> >
> > OK, a few questions:
> >
> > Should we use sortmerge, so we can use our psort as temp tables,
> > or do we use hashunique?
> >
> > How do we pass the query to the optimizer? How do we represent
> > the range table for each, and the links between them in correlated
> > subqueries?
>
> My suggestion is just use varlevel in Var and don't put upper query'
> relations into subquery range table.
Hmm... Sorry, it seems that I did reply to very old message - forget it.
Vadim
