David Fetter wrote: > I just ran across this, and was wondering whether it's worth a > back-patch.
New features are not back-patched. > The interval type has an aggregate for average (AVG), > but not one for standard deviation (STDDEV) or variance (VARIANCE). > > Is this a bug? No, it's a missing feature. :-) > Is there some problem with defining variance over > intervals? If all the operations that are used as part of the calculation of stddev are available for intervals, then I don't see one. ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
