Tom Lane <[EMAIL PROTECTED]> writes: > I think they may have intended to treat each time interval > as the half-open interval [S,T), that is S <= time < T. However > that would leave a zero-length interval as completely empty and > thereby arguably not overlapping anything ... which they didn't > make it do.
Well an empty interval would be just as inconsistent. I guess they wanted half-open intervals and they had a problem with zero-length intervals one way or the other and just chose the one that seemed most useful. -- greg ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend