Radhika Sambamurti написа: >> I believe the manual is quite clear on that one ( >> http://www.postgresql.org/docs/current/static/datatype-numeric.html#DATATYPE-FLOAT) >> : >> >> " - If you require exact storage and calculations (such as for monetary >> amounts), use the numeric type instead." >> >> >> So if you decide to use floats after this warning you are on your own. > > Well, actually the manual is not quite clear on this one.
Given your requirements - "an application which is used for trading and back office operations." and "our monetary fields...", I still believe the manual is crystal clear. > It says quite clearly that very very small values approaching zero and > very very large values will be problematic. But I am not calculating the > distance to the moon. I need values to be accurate upto the 6th decimal > place, and was wondering if people use floating point types for this sort > of thing. -- Milen A. Radev ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
