Good point, somehow I forgot about that. Actually
polymorphic inheritance is very simple, here's a
small example:
import sqlalchemy
from turboentity import *
from turboentity import objectstore
metadata = sqlalchemy.BoundMetaData("sqlite:///:memory:", True)
class Employee (Entity):
name = Column(Unicode(30))
class Engineer (Employee):
engineer_info = Column(Unicode(60))
class Marketer (Employee):
marketer_info = Column(Unicode(60))
create_all()
worker = Employee(name="Some Worker")
engineer = Engineer(name="Joe Engineer", engineer_info="joe's an
engineer")
marketer = Marketer(name="Pete Marketer", marketer_info="pete's a
marketer")
objectstore.flush()
objectstore.clear()
print Employee.get_by(Employee.c.name.like("Joe%")).name
print Employee.get_by(Employee.c.name.like("%Worker")).name
print Employee.get_by(Employee.c.name.like("Joe%")).engineer_info
print type(Employee.get_by(Employee.c.name.like("Pete%"))).__name__
---------------- 8< ----------------
I just found that there is a problem with inheritance
and relationships. I'm sure it worked before, I'll
investigate that soon.
Daniel
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