This might be because the tables you're trying to reference are themselves not
InnoDB. Try running DESCRIBE on the referenced tables at the MySQL console to
help confirm this, as well as the same CREATE TABLE statement below.
On May 30, 2012, at 11:31 PM, Jeff wrote:
Having difficulty creating a database that includes the following
plumbing:
class Base(object):
id = Column(Integer, primary_key=True)
__table_args__ = {'mysql_engine': 'InnoDB'}
Base = declarative_base(cls=Base)
class Event(Base):
Avalanche_Event_Association = Table('Avalanche_Event_Association',
Base.metadata,
Column('avalanche_id', Integer, ForeignKey('Avalanche.id')),
Column('event_id', Integer, ForeignKey('Event.id')),
mysql_engine='InnoDB')
class Avalanche(Base):
Doing Base.metadata.create_all(engine) yields:
OperationalError: (OperationalError) (1005, Can't create table
'alstottj.Avalanche_Event_Association' (errno: 150)) '\nCREATE TABLE
`Avalanche_Event_Association` (\n\tavalanche_id INTEGER, \n\tevent_id
INTEGER, \n\tFOREIGN KEY(avalanche_id) REFERENCES `Avalanche` (id), \n
\tFOREIGN KEY(event_id) REFERENCES `Event` (id)\n)ENGINE=InnoDB\n
\n' ()
Commenting out the line mysql_engine='InnoDB' removes the error and
the tables are all created, but the association table is now MyISAM.
I have some feelings on what could be causing the error, but they all
seem improbable. Thoughts?
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