def concurrent_increment(s):
db_api.sqla_remove(se.Session, 'before_commit',
concurrent_increment)
# slip in a concurrent update that will bump the revision
plugin = directory.get_plugin()
plugin.update_port(nctx.get_admin_context(),
port['port']['id'], new)
raise db_exc.DBDeadlock()
def unregister_events(self):
try:
db_api.sqla_remove(self._model_class, 'after_insert',
self._db_event_handler)
db_api.sqla_remove(self._model_class, 'after_delete',
self._db_event_handler)
db_api.sqla_remove(se.Session, 'after_bulk_delete',
self._except_bulk_delete)
except sql_exc.InvalidRequestError:
LOG.warning("No sqlalchemy event for resource %s found", self.name)
def unregister_events(self):
try:
db_api.sqla_remove(self._model_class, 'after_insert',
self._db_event_handler)
db_api.sqla_remove(self._model_class, 'after_delete',
self._db_event_handler)
db_api.sqla_remove(se.Session, 'after_bulk_delete',
self._except_bulk_delete)
except sql_exc.InvalidRequestError:
LOG.warning(_LW("No sqlalchemy event for resource %s found"),
self.name)
def concurrent_increment(s):
db_api.sqla_remove(se.Session, 'before_commit',
concurrent_increment)
# slip in a concurrent update that will bump the revision
self._update('ports', port['port']['id'], new)
raise db_exc.DBDeadlock()