this method is in 1.4 as well, just doesn't do pep-484 yet.
Change-Id: I5a0aee8ad212864fc79e152ec9ea3bb3d12b6b04
SELECT ip_address.id AS ip_address_id, ip_address.v4address AS ip_address_v4address
FROM ip_address JOIN network ON ip_address.v4address << network.v4representation
-.. versionadded:: 2.0 Added :meth:`.Operators.bool_op` to generate operators
- that are inherently "boolean" when used in expressions and ORM join
- conditions.
-
.. _relationship_custom_operator_sql_function:
Custom operators based on SQL functions