Re: [SQLObject] column default value

[Andreas K. <an...@ko...>]

Am Freitag, den 09.09.2005, 17:05 +0400 schrieb Oleg Broytmann:
> On Fri, Sep 09, 2005 at 02:53:05PM +0200, Andreas Kostyrka wrote:
> > class Worktime(SQLObject):
> > 	customer =3D ForeignKey("customer", default=3DWHATDOIPUTHERE)
> > 	task =3D ForeignKey("task")
>=20
> > Now, a _set_customer setter doesn't work, because it needs the
> > corresponding .task value
>=20
>    And what?
Well, somehow a default value derived from another column would make
much sense. Not only in this case but others too.

>=20
> > and it seems that _set_customer doesn't get
> > called by Worktime(...)
>=20
>    It must get called. What version of SQLObject?
probably r915.
>=20
> > Supplying a callable default value would seem to be ok, BUT the callabl=
e
> > doesn't get any context (like arguments to the constructor, the row
> > object).
>=20
>    Should it? Should datetime.now (for example) gets the context?
Well, datetime.now probably doesn't need the context. But other default
definitions DO need access to other columns. Currently I can get the
context only by inspecting the callstack and guessing ;)

Andreas