Sorry, i'll try to be precise.

table_A contains two distinct foreign keys to table_B, table_B
contains one foreign key to table_C
mapped classes are A, B, C.
mapper_A contains two corresponding properties a_to_b_property1,
a_to_b_property2 to class B.
mapper_B contains property b_to_c_property


I cannot eagerload all three properties in session.query(A)... !

look at this lines (strategies.py, setup_query):

464        if self.mapper in context.recursion_stack:
465            return
466        else:
467            context.recursion_stack.add(self.parent)

After processing eagerload property 'a_to_b_property1. 
b_to_c_property',
context.recursion_stack contains B_mapper (as a parent of  
b_to_c_property) - line 467
so 'a_to_b_property2' just skipped - line 464.

I want to load all this relations in one query.



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