On Fri, 3 Apr 2009, Tom Lane wrote:
> Intuitively, it seems like 1-D "overlaps" is a tractable enough
> operator that you should be able to make something merge-like
> work. But it's more complicated than I think you realize.
It's tractable when the two sides are symmetrical, but not so much when
they aren't. Our "no it isn't" messages obviously crossed on the wire.
Matthew
--
Some people, when confronted with a problem, think "I know, I'll use regular
expressions." Now they have two problems. -- Jamie Zawinski
