Thanks as always for the quick response and fix.
As a slight aside; I am using a MapperExtension to create an attribute
on an object. When the object is stored, reloaded and then merged back
into a session this attribute is no longer available.
Any thoughts on why this might be?
ta
Martin
Pseudo code:
==========
class EntityMapperExtension(MapperExtension):
def populate_instance(self, mapper, selectcontext, row, instance,
**flags):
if not hasattr(instance, 'property'):
instance.property = PropertyDict(instance)
return EXT_CONTINUE
obj = Entity()
obj.property['group'] > [prop1, prop2]
store[id] = obj
Session.remove()
...
session = Session()
obj = session.merge(store[id])
obj.property['group'] > AttributeError: 'Entity' object has no
attribute 'property'
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