On Tue, Jun 22, 2010 at 1:58 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> It doesn't? I didn't think it was making any assumptions about the
> ordering data type beyond the fact that it had a default btree
> opclass.
>
Actually, the return type of consistent method was replaced by float8.
Negative values are used for "unconsistent" state. Non-negative values are
used for "consistent" and ordering.