>> ERROR: operator class "timestamp_ops" does not accept data type
>> timestamp with time zone
> Oh, ye olde change-of-opclass-name problem. I've stuck a hack into
> gram.y as we've done in the past, but I'm starting to think that we
> need a better answer going forward. Maybe pg_dump could be tweaked to
> not dump opclass names if they are default opclasses?
Not having heard any objections, I have done this. We're still stuck
with needing the hack for 7.2, but perhaps future rearrangements of
index opclasses will be less painful.
regards, tom lane