attr_x = field.from_ldap(x[1].get(field.db_column, []), connection=self.connection)
attr_y = field.from_ldap(y[1].get(field.db_column, []), connection=self.connection)
# perform case insensitive comparison
attr_x = field.from_ldap(x[1].get(field.db_column, []), connection=self.connection)
attr_y = field.from_ldap(y[1].get(field.db_column, []), connection=self.connection)
# perform case insensitive comparison