Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> Tom Lane wrote:
>> Th big picture is that it doesn't work very well to assume that indexes
>> only need to handle same-datatype comparisons. I think we are
>> ultimately going to have to address that issue more-or-less directly.
> Wouldn't that logically lead to an "abstract" operator class to be
> pointed to in the original indexes operator class?
I've just posted a proposal in pgsql-hackers that attacks the problem
a little differently: put the cross-type operators directly into the
opclass.
regards, tom lane