> > Is it
> > possible to have FK that spans into child tables?
>
> This is a well known (and documented, see [1]) deficiency. It's due to
> the current implementation of indices, which are bound to exactly one
> table, meaning they do return a position within the table, but cannot
> point to different tables.
Is this set to be fixed in any particular release?
(Here's hoping that someone smarter than I am is working on it...)
-W