> I just stumbled on http://www.cs.purdue.edu/spgist/ which seems like
> exactly what I need.
It doesn't work with 8.2 and up, because since 8.2 index should take care about
concurrent access itself and that implementation doesn't do it.
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/