[GENERAL] A real currency type

On 3/21/06, Jim C. Nasby <jnasby@pervasive.com> wrote:
> ISTM that having a currency type is pretty common for most databases; I
> don't really see any reason not to just include it. Likewise for a type
> that actually stores timezone info with a timestamp.

This really should be generalized to work with all the base types
because there are strong use cases for each. (timezones with
timestamps, currencies with numeric, physical units with floats and
ints)