You need to join to Category.parent first. It also must be aliased, because
this is self-referential:
ca = aliased(Category)
query(Category).join(ca, Category.parent).order_by(ca.name, Category.name)
On Jan 25, 2013, at 3:49 PM, sector119 wrote:
> I want to order_by(Category.parent.name, Category.name) is it possible?
>
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