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?
>
> --
> 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.
>
--
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.
