Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> I wonder if we should go so far as to make this the default behavior,
> instead of just making it an option.
In that case you'd have to invent a NOFREEZE keyword, no? Ick.
In any case, it's very far from obvious to me that CLUSTER ought
to throw away information by default, which is what you're proposing.
regards, tom lane