Say I have a python class defined:
def class User(object):
get_calculated_field(self):
return self.a_column_in_user_table_1 +
self.a_column_in_additional_info
user_table = Table('user_table', metadata, autoload=True)
additional_info = Table('additional_info', metadata, autoload=True)
Now I need to do the following:
1. Add an additional read only attribute to the User object which is
calculated from columns on the user_table and additional_info table
2. Be able to generate a join between a user_table and additional_info
table and then for each row that is returned by the db, have the User
object add calculated_field as a read only attribute (by calling the
function get_calculated_field)
Thanks,
Vineet
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