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 -~----------~----~----~----~------~----~------~--~---