Hannu Krosing <hannu@tm.ee> writes:
> Just out of curiosity - does CLUSTER currently "practically rebuild
> a tables representation" ?
CLUSTER currently *loses* most of a table's representation :-(.
It needs work.
But since the whole point of CLUSTER is to physically rearrange the
tuples of a table, it seems to me that it's in a different category
from VACUUM anyway.
regards, tom lane