On Wed, 9 Apr 2025 at 14:33, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Maybe better:
>
> Other possibilities will be excluded for lack of join clauses.
> (In reality, use of EquivalenceClasses would allow us to
> deduce additional join clauses that allow more join
> combinations, but here we ignore that to preserve the
> simplicity of this example.)
Looks good to me.
David