tonthon <[email protected]> wrote:
> Hi,
>
> I'm using polymorphism and I set up some deferred columns at each level
> of inheritance belonging to the same deferred group :
>
> """
> class Base(DBBASE):
> id = Column(Integer, primary_key=True)
> name = Column(String(255))
> description = deferred(
> Column(Text()),
> group="full"
> )
>
> class Element(DBBASE):
> id = Column(ForeignKey("base.id"))
> comments = deferred(
> Column(Text()),
> group="full",
> )
> """
>
> The following query :
>
> """
> Element.query().options(undefer_group('full')).all()
> """
>
> doesn't defer the description column, is that the expected behaviour ?
a query for Element here will not load objects of type “Base”, so I don’t see
where “description” comes into play.
If you can provide a more complete example that would help.
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