I gave it a name but now...
raise FlushError("Circular dependency detected " + repr(edges) +
repr(queue))
sqlalchemy.exceptions.FlushError: Circular dependency detected
<sqlalchemy.topological._EdgeCollection object at 0xb73f356c>[]
jose wrote:
>the use_alter=True raises this error:
>
> ForeignKeyConstraint(['id_operatore'],['operatore.id'],use_alter=True),
> File "/usr/lib/python2.4/site-packages/sqlalchemy/schema.py", line
>701, in __init__
> raise exceptions.ArgumentError("Alterable
>ForeignKey/ForeignKeyConstraint requires a name")
>
>
>Michael Bayer wrote:
>
>
>
>>specify use_alter=True to one or both ForeignKey constructs.
>>
>>
>>On Dec 6, 2008, at 12:37 PM, jose wrote:
>>
>>
>>
>>
>>
>>>Hi all,
>>>
>>>I have two tables in my schema with circular references and I don't
>>>know
>>>hot to create them.
>>>
>>>
>>>tbl['anagrafica']=Table('anagrafica',database.metadata,
>>> Column('id', Integer, Sequence('anagrafica_id_seq'),
>>>primary_key=True, nullable=False),
>>> Column('nome', Unicode(200), nullable=False, index=True,
>>>case_sensitive=True),
>>> Column('id_operatore', Integer, ForeignKey('operatore.id'))
>>>)
>>>tbl['operatore']=Table('operatore',database.metadata,
>>> Column('id', Integer, Sequence('operatore_id_seq'),
>>>nullable=False, primary_key=True),
>>> Column('id_anagrafica', Integer,
>>>ForeignKeyConstraint('anagrafica.id'))
>>>)
>>>
>>>thank you for any help.
>>>j
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
>>
>
>
>
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