Greg Stark <gsstark(at)mit(dot)edu> writes:
> I don't understand what overlap_{left,right} are supposed to mean.
In this thread:
http://archives.postgresql.org/pgsql-general/2004-03/msg01135.php
we had decided that the rtree stuff is not only poorly documented
but actively broken. I had thought that Bill White was going to do
some work on the problem, but we've not heard back from him ...
regards, tom lane