On Wed, Feb 6, 2013 at 11:32 AM, Dhruv Baldawa <dhruvbald...@gmail.com>wrote:
> I would do a:
>
> class Consultation(Base):
> __tablename__ = 'consultation'
>
> id = Column(Integer, primary_key=True)
> patient_id = Column(Integer, ForeignKey('patient.id'))
> doctor_id = Column(Integer, ForeignKey('doctor.id'))
> date = Column(Date(), default=MyT.today())
>
> @property
> def consultation_count(self):
> ''' returns the consultation count for current date '''
> return self.query.filter_by(date=self.date).count() # the syntax
> might not be correct
>
> c = Consultation.query.get(1)
> print c.consultation_count
>
> This way its computed on the fly and you dont need to store it.
>
If I read your code correctly this would mean:
(a) the consultation_count property for all the consutlations that happened
on a given day will be the same value
(b) for a given row this value will keep changing as we insert more records
into the table.
So this will not work, no?
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