Oleg Bartunov <oleg@sai.msu.su> writes:
> Full implementation of R-Tree using GiST is available from
> http://www.sai.msu.su/~megera/postgres/gist/
Committed as a contrib module.
At some point we'll probably want to move this into the mainframe,
but I left it as a separate package for now.
regards, tom lane