Hi there !
I am using Google App Engine for severals times now but I'm stuck about a
querying issue.
Here's my concern :
I have two classes, lets say class A and class B. Class A have a referenced
property on class B (classBproperty).
I have a collection of class B objects and I want to get all class A which
referenced one of the class B contained in my classB collection.
Here's what I managed to do :
classBcollection = [...] # Collection of class B here
classB_keys = []
for obj in classBcollection:
classB_keys.append(obj.key().id())
q = classA.all()
q.filter("classBproperty.__key__ IN ", classB_keys)
My point is that this returns an empty list even though in my datastore, I
have several class A that referenced class B objects contained in my
collection.
It would be very nice if I can I have any help to figure out this ?
Thanks !
Ben
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