tap-as-a-service-tempest-pl.../neutron_taas/db/migration/alembic_migration/versions/newton/contract/2ecce0368a62_add_foreign_ke...

38 lines
1.1 KiB
Python

# Copyright 2016 Midokura SARL
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""add foreign key constraint on tap id association
Revision ID: 2ecce0368a62
Revises: 1817af933379
Create Date: 2016-05-19 11:39:52.892610
"""
# revision identifiers, used by Alembic.
revision = '2ecce0368a62'
down_revision = '1817af933379'
from alembic import op
def upgrade():
op.create_foreign_key(
constraint_name=None,
source_table='tap_id_associations',
referent_table='tap_services',
local_cols=['tap_service_id'],
remote_cols=['id'],
ondelete='CASCADE')