Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/virt-factory/server/db.py", line 394, in __call__
    return self.method(*args)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/session.py", line 294, in flush
    self.uow.flush(self, objects)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 213, in flush
    flush_context.execute()
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 368, in execute
    head.execute(self)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 535, in execute
    UOWExecutor().execute(trans, self)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 941, in execute
    self.execute_save_steps(trans, task)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 958, in execute_save_steps
    self.save_objects(trans, task)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 946, in save_objects
    task._save_objects(trans)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/unitofwork.py", line 523, in _save_objects
    self.mapper.save_obj(self.polymorphic_tosave_objects, trans)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/orm/mapper.py", line 1192, in save_obj
    c = connection.execute(statement, params)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 444, in execute
    return Connection.executors[c](self, object, *multiparams, **params)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 484, in execute_clauseelement
    return self.execute_compiled(elem.compile(engine=self.__engine, parameters=param), *multiparams, **params)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 503, in execute_compiled
    proxy(str(compiled), parameters)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 499, in proxy
    self._execute_raw(statement, parameters, cursor=cursor, context=context)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 547, in _execute_raw
    self._execute(cursor, statement, parameters, context=context)
  File "/usr/lib/python2.4/site-packages/sqlalchemy/engine/base.py", line 566, in _execute
    raise exceptions.SQLError(statement, parameters, e)
SQLError: (ProgrammingError) invalid input syntax for integer: "x86_64"