I cannot thank you enough - this has been driving me crazy.
Your solution works great. I also worked out that you can get
create_all() to work by adding use_alter=True to the foreignkey
definition
thumbnail_id=Column('thumbnail_id',Integer, ForeignKey('image.id',
use_alter=True, name='thumbnail
I'm trying to do something that seems (to me at least) to be very
simple: I have two classes, 'Project' and 'Image'. I want to
associate a set of 'Image's with a project, like a slide show or
whatever. I also want to use *one* of those images as a thumbnail for
the project. Here's my relevant
