Hello everyone!
I'm trying to migrate from SqlAlchemy 0.6.8 to 0.7.4.
I have a class that is the base for all the bases in my system. In
that class is where I define the id (numeric primary key) for the rest
of my classes. That class is not mapped to any table.
I want to have getter/setter for said "id", making it a
hybrid_property, something like:
class BaseClass(object):
_id = Column("id", Integer, primary_key=True, key="id")
@hybrid_property
def id(self):
return self._id
@id.setter
def setId(self, id):
try:
self._id = int(id)
except TypeError:
self._id = None
but if then i try to use the id in filters (such as
Product.manufacturer.any(id=parameterId), where Product is a "really"
mapped class, with a relationship towards Manufacturer, another
"really" mapped class, ) I get a key error "id", so it looks like the
"id" is not property set.
In 0.6.8, what I did was
class BaseClass(object):
_id = Column("id", Integer, primary_key=True, key="id")
@declared_attr
def id(cls):
return synonym('_id', descriptor=property(cls.getId, cls.setId))
I've tried as many dirty tricks as I could come up with, and I didn't
get any success... Any ideas will be welcome!
--
You received this message because you are subscribed to the Google Groups
"sqlalchemy" group.
To post to this group, send email to sqlalchemy@googlegroups.com.
To unsubscribe from this group, send email to
sqlalchemy+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/sqlalchemy?hl=en.
