with_polymorphic() needs to be called first. On Feb 25, 2009, at 9:54 AM, Vladimir Iliev wrote:
> > InvalidRequestError: Query.with_polymorphic() being called on a Query > with existing criterion > > > a...@svilendobrev.com написа: >> thequery().with_polymorphic( list of classes ) ? >> >> On Wednesday 25 February 2009 15:43:54 Vladimir Iliev wrote: >>> hi, >>> >>> how can i filter dynamic relation's query to instances of a given >>> class, including the subclasses ? >>> >>> i tried something like >>> >>> part.documents.filter(Part.documents.of_type(CADDocument)) >>> >>> but i'm getting >>> >>> ArgumentError: filter() argument must be of type >>> sqlalchemy.sql.ClauseElement or string >>> >>> thanks in advance >>> >>> >> >>> >> > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---