Sounds great! I'm on vacation this week, but I look forward to trying
it out next week.
~Dave
On Sep 12, 10:56 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
> This is now fixed. Here is a final example of usage:
>
> db=DAL('gae')
> db.define_table('contact',Field('address'), polymodel=True)
> db.define_table('person',Field('first_name'), db.contact,
> polymodel=db.contact)
> db.define_table('company',Field('business_name'),db.contact,polymodel=db.co
> ntact)
>
> if not db(db.contact.id>0).count():
> db.person.insert(first_name="John", address='here')
> db.company.insert(business_name="John Inc", address='there')
>
> persons = db(db.person.id>0).select()
> companies = db(db.company.id>0).select()
> contacts = db(db.contact.id>0).select()
> # latter includes both people and companies
>
> Mind that you can do:
>
> db.define_table('person',Field('first_name'), db.contact,
> polymodel=db.contact)
>
> or
>
> db.define_table('person',db.contact, Field('first_name'),
> polymodel=db.contact)
>
> I.e. you must choose explicitly whether the fields of the extended
> class should appear after or before the new fields.
>
> On Sep 10, 3:27 pm, Dave <thefe...@gmail.com> wrote:
>
>
>
> > It still has both the original problems. Here's what I'm testing so
> > far:
>
> > >contacts = db(db.contact.id>0).select()
>
> > Returns all contacts, as it should
>
> > >people = db(db.person.id>0).select()
>
> > Also returns all contacts, instead of just the contacts that are of
> > type "person"
>
> > >address = people[0].address
>
> > Works, and returns the address of the first person.
>
> > >name = people[0].first_name
>
> > Crashes, with the following trace:
>
> > Traceback (most recent call last):
> > File "C:\Users\Dave\Documents\Python\web2py\gluon\restricted.py",
> > line 188, in restricted
> > exec ccode in environment
> > File "C:\Users\Dave\Documents\Python\web2py\applications\welcome/
> > controllers/default.py:index", line 66, in <module>
> > File "C:\Users\Dave\Documents\Python\web2py\gluon\globals.py", line
> > 96, in <lambda>
> > self._caller = lambda f: f()
> > File "C:\Users\Dave\Documents\Python\web2py\applications\welcome/
> > controllers/default.py:index", line 23, in index
> > File "C:\Users\Dave\Documents\Python\web2py\gluon\sql.py", line 729,
> > in __getattr__
> > return dict.__getitem__(self,key)
> > KeyError: 'first_name'
