[Python-Dev] proposal: add basic money type to the standard library

[M.-A. Lemburg]

Guido van Rossum wrote:
> 
> > Indeed, monetary types solve different problems than decimal
> > types. Financial applications do have a need for these kind
> > of implicit error checks.
> 
> But this is easily done by creating a custom class -- which has the
> advantage that the set of constraints can be specialized to the needs
> of a specific application.  When we add a monetary type to the
> language we'll never get it right for all apps.  OTOH, I think we
> could get a fixed point type right.

True. 

A real implementation of a good working decimal
type with adjustable rounding rules would certainly go
a long way and the money type could be built on top of 
it.
 
> What support for money does SQL have?

SQL-92 doesn't have support for it, but some modern database
engines do, e.g. MS SQL Server, PostgreSQL (even though it's
deprecated there, now), MS Access.

-- 
Marc-Andre Lemburg
CEO eGenix.com Software GmbH
______________________________________________________________________
Company & Consulting:                           http://www.egenix.com/
Python Software:                   http://www.egenix.com/files/python/