[sqlalchemy] Problem using concrete inheritance with migrate

I have this definition in my upgrade script using migrate meta = MetaData(migrate_engine) DeclarativeBase = declarative_base(metadata=meta) maker = sessionmaker(autoflush=True, autocommit=False, extension=ZopeTransactionExtension()) DBSession = scoped_session(maker)

Re: [sqlalchemy] Problem using concrete inheritance with migrate

, Michael Bayer wrote: Todd Blanchard wrote: I upgraded from 0.5.6 to 0.5.8 but it is still the same. The fields from MakerGraphic do not appear in the event_types table.:-/ This is a common misunderstanding when using concrete. You need to define each column specifically for each concrete table