32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
#
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# 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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#
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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 standard_attr
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class Tag(model_base.BASEV2):
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standard_attr_id = sa.Column(
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sa.BigInteger().with_variant(sa.Integer(), 'sqlite'),
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sa.ForeignKey(standard_attr.StandardAttribute.id, ondelete="CASCADE"),
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nullable=False, primary_key=True)
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tag = sa.Column(sa.String(255), nullable=False, primary_key=True)
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standard_attr = orm.relationship(
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'StandardAttribute', load_on_pending=True,
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backref=orm.backref('tags', lazy='subquery', viewonly=True))
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revises_on_change = ('standard_attr', )
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