ok, thanks Michael Bayer написа: > not currently no > > > On Feb 25, 2009, at 10:46 AM, Vladimir Iliev wrote: > >> so it's not possible to reuse relation's query definition ? >> >> Michael Bayer написа: >>> 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 >>>>>> >>>>>> >>> >> > > > > >
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