> By the time you make this actually work in all cases, it's probably
> going to be more of a mess than the other way;
I meant to add only ASC/DESC; I would leave all other cases
(non-btrees, custom expression btrees) to use the old index-scan method.
> not to mention that it
> doesn't work *at all* without violating SPI internals.
You lost me there...
