Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> I would like to consider adding constraints to GiST indexes. I think it
> is possible to add constraints that are more sophisticated than just
> UNIQUE. My use case is a non-overlapping constraint, but I think it's
> possible for this to be more general.
I would like to see something that replaces the current btree-only kluge
for UNIQUE, if we're going to try to do something "general". IOW, don't
think of this as GiST-specific.
regards, tom lane