D'oh, I figured myself, It was very easy. I just followed the guide again
and it worked.
One question though. Let's use the guide example for this:
Let's say that AddressUser inherits(joined inheritance) from another class,
and that class have a id with the same name (user_id), I get a warning like
this:
Implicitly combining column address.user_id with column superclass.user_id
under attribute 'user_id'. This usage will be prohibited in 0.7. Please
configure one or more attributes for these same-named columns explicitly.
All ids are indeed, the same id so it seems ok for me. Why is it being
prohibited? Issued with advanced cases, or just to avoid hard-to-debug
errors?
2011/5/23 Israel Ben Guilherme Fonseca <israel....@gmail.com>
> I have the following:
>
> class Person(Base):
> __tablename__ = 'pessoa'
> id = Column("id_person"), Integer, primary_key = True)
> name = Column(String)
>
> class Teacher(Person):
> __tablename__ = 'teacher'
> id = Column("id_teacher", Integer, ForeignKey(Person.id),
> primary_key=True)
> info = Column(String)
>
> class Salary(Base):
> __tablename__ = 'salary'
> id = Column(String)
> value = Column(Numeric)
>
> That's ok, but I wanted to merge the Salary and Teacher objects following
> the guide:
>
>
> http://www.sqlalchemy.org/docs/06/orm/mapper_config.html#mapping-a-class-against-multiple-tables
>
> Am I forced to map the Teacher and Salary in the non-declarative mode to
> achieve this? It's nice to keep things declarative, because it automatically
> create the __init__ method with the columns as parameters.
>
> I have another classes that have relationships to those classes (and they
> are declarative too), and things get nasty when I mix declarative with the
> standard way.
>
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