Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
> btw, is there a restriction to length of key in GiST in 7.1 ?
Index tuples still have to fit in a block --- no TOAST table for
an index (yet).
I think we can compress index datums in-line though; at least that
should work in principle.
regards, tom lane