6dee4c5942
All of the additional lookup logic was essentially duplicating a relationship property of 'load_on_pending=True', which tells SQLAlchemy to lookup the relationship during object creation [1]. So we can dump all of this logic and just use that option. 1. http://docs.sqlalchemy.org/en/latest/orm/relationship_api.html #sqlalchemy.orm.relationship.params.load_on_pending Related: blueprint push-notifications Change-Id: I0e495a50f5cab9b6449825039d7683d77de1e763
49 lines
2.0 KiB
Python
49 lines
2.0 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron_lib.db import model_base
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import sqlalchemy as sa
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from sqlalchemy import orm
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from neutron.db import models_v2
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class PortSecurityBinding(model_base.BASEV2):
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port_id = sa.Column(sa.String(36),
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sa.ForeignKey('ports.id', ondelete="CASCADE"),
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primary_key=True)
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port_security_enabled = sa.Column(sa.Boolean(), nullable=False)
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# Add a relationship to the Port model in order to be to able to
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# instruct SQLAlchemy to eagerly load port security binding
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port = orm.relationship(
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models_v2.Port, load_on_pending=True,
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backref=orm.backref("port_security", uselist=False,
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cascade='delete', lazy='joined'))
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revises_on_change = ('port',)
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class NetworkSecurityBinding(model_base.BASEV2):
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network_id = sa.Column(sa.String(36),
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sa.ForeignKey('networks.id', ondelete="CASCADE"),
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primary_key=True)
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port_security_enabled = sa.Column(sa.Boolean(), nullable=False)
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# Add a relationship to the Port model in order to be able to instruct
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# SQLAlchemy to eagerly load default port security setting for ports
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# on this network
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network = orm.relationship(
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models_v2.Network, load_on_pending=True,
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backref=orm.backref("port_security", uselist=False,
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cascade='delete', lazy='joined'))
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revises_on_change = ('network',)
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