This is not correct. In web2py datetime is a proper datetime

from datetime import datetime
a=datetime(1800,1,1,12,0,0)
db.define_time('test,SQLField('adatetime','datetime',default=a))

and it works on every architecture including GAE.

Instead float numbers would not have enough precision to represent
datetime.



On May 11, 7:39 pm, Steve Shepherd <[email protected]> wrote:
> @Massimo
> I have seen that the datetime type is not a fundamental of Python but really
> a floating number based on seconds since 1970.
> I still don't understand why we could not intercept the method call and pass
> the value that will work to the GAE interface layer.
>
> On Mon, May 11, 2009 at 5:11 PM, mdipierro <[email protected]> wrote:
>
> > No because this would work for year but there is no way to make it
> > work month() and day() or time differences. GAE just does not support
> > the operations. There are reports that even soting by date/datetime
> > does not work well.
>
> > On May 10, 8:08 pm, Steve Shepherd <[email protected]> wrote:
> > > @Massimo
>
> > > Couldn't the GAE class be overloaded with another datetime class that
> > does
> > > include the code to translate the normal method call i.e.
> > > db(db.mydatefield.year()==1999).select()
>
> > > So the added on class includes a new method for year() but runs code that
> > > translates the 1999 into the code that you specified i.e.
>
> > db((db.mydatefield>datetime.date(1998,12,31))?(db.mytabefield<datetime.date(2000,1,1))).select()
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