ef1e8abb89
Since sqlalchemy 1.4, "session.autocommit" is False by default; in sqlalchemy 2.0 this will be the only value accepted. The ``_orm.Session`` is considered active when [1]: - there is a transaction and this transaction is active - there is no transaction [2], the class ``_orm.Session`` will autobegin when it is first used. The second one breaks the way Neutron considers a session is active: only when a transaction is in place, Neutron considers a session is active. Depends-On: https://review.opendev.org/c/openstack/neutron/+/833247 [1]https://github.com/sqlalchemy/sqlalchemy/blob/rel_1_4/lib/sqlalchemy/orm/session.py#L3918-L3950 [2]https://github.com/sqlalchemy/sqlalchemy/blob/rel_1_4/lib/sqlalchemy/orm/session.py#L3930-L3932 Closes-Bug: #1962153 Topic: sqlalchemy-20 Change-Id: Iabaee4e556afb3dc75a82d99dc4a597fe4d7dd21