[sqlalchemy] Unmapped Column Error

2011-03-03 Thread Doug
Hello all, I've just started using SQLAlchemy recently (and it's been great) but I have run into a problem recently. I am trying to map a table back to itself via a second many-to-many table in a declarative fashion. I have this working as so (mapper configuration): category_association =

Re: [sqlalchemy] Unmapped Column Error

2011-03-03 Thread Michael Bayer
On Mar 3, 2011, at 5:11 PM, Doug wrote: Hello all, I've just started using SQLAlchemy recently (and it's been great) but I have run into a problem recently. I am trying to map a table back to itself via a second many-to-many table in a declarative fashion. I have this working as so