Albert Vernon Smith <contact1(at)absentia(dot)com> writes:
> I just re-checked, and all the same index definitions are on both
> tables.
Well, that seems to imply that the 8.0 planner is missing the plan that
7.4 finds ... which is both hard to believe and impossible to
investigate with this much info. Would it be possible to get a copy of
the database? Or at least a schema dump?
regards, tom lane