Thanks for answer.
Problem is too much loading time (~40 seconds) if i use standart
declaration.
To resolve this,
i define classes when they called (write class factory), but on factory i
cannot redefine func to get relationship value if return non-main class
(such as child)
Realization is
def handle_assertion_error(self, err_info):
result = re.match(
"^No such polymorphic_identity '(.*)' is defined$", str(err_info))
if result.groups() is None:
raise DBException(str(err_info))
for class_name in class_factory.all_classes_list:
if (class_name.lower() == result.groups()[0]):
getattr(class_factory, class_name)
return
With child of *sqlalchemy.orm.query.Query* class i override methods *all*,
and *__getitem__ *and now query works
But that is not good for orm objects such is *Organisation.Users*, need to
use this handler for all queries
I ask how can i pass handler to sqlalchemy?
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The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
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