2009/3/4 Doug <[email protected]>

>
>
> I am also pretty green with GAE, but I think that the db Model Event
> and the db model event are 2 different db models.
>
> If they are 2 different models this would be why you are always
> getting none when you read from it.  You would be able to see if you
> have 2 in the console.
>

OK, I'll check that. Thanks.

>
> BTW - What is "None"?  I do not see that as a db Model option in the
> Google doc.  It looks to me like you would want those to be strings.
>

In fact, I don't want to create columns for color and status, so I use None

>
> Doug
>
>
> On Mar 3, 10:32 pm, disorderdev <[email protected]> wrote:
> > Hi, I'm a newbie here, both python and app engine. a few questions:
> >  I store some fields in DB, but when show message on Web, I need more
> > fields, most of them are calculated according to fields in DB, For now
> > I don't want to do the calculating on web, but when I add some fields
> > to the DB model class, the web dose not recognize them, all values are
> > None, what should I do?
> >
> > For example, I have a class
> > class Event(db.Model) :
> >         owner = db.UserProperty()
> >         title = db.StringProperty()
> >         content = db.StringProperty(multiline = True)
> >         status = None
> >         color = None
> >
> > when showing events on web, I want 'color' and 'status', so after
> > retrieve the data from DB, I do the following:
> >
> >                 for event in events :
> >                         logger.info(event.status)
> >                         logger.info(event.color);
> >                         event.create_time = datetime.now()
> >                         event.status = "Finished"
> >                         event.color = "green"
> >
> > but on web, they are still None.
> >
> > BTW: I have to add status and color in class, or these fields are not
> > recognized.
> >
>


-- 
Don't schedule every day, make them disorder.

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"Google App Engine" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to 
[email protected]
For more options, visit this group at 
http://groups.google.com/group/google-appengine?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to