64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Author: Kiall Mac Innes <kiall@hpe.com>
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#
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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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from sqlalchemy import MetaData, Table
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from migrate.changeset.constraint import ForeignKeyConstraint
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meta = MetaData()
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def upgrade(migrate_engine):
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meta.bind = migrate_engine
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domains_table = Table('domains', meta, autoload=True)
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domainmetadata_table = Table('domainmetadata', meta, autoload=True)
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records_table = Table('records', meta, autoload=True)
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records_fk = ForeignKeyConstraint(
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[records_table.c.domain_id],
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[domains_table.c.id],
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ondelete="CASCADE")
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records_fk.create()
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domainmetadata_fk = ForeignKeyConstraint(
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[domainmetadata_table.c.domain_id],
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[domains_table.c.id],
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ondelete="CASCADE")
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domainmetadata_fk.create()
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def downgrade(migrate_engine):
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meta.bind = migrate_engine
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domains_table = Table('domains', meta, autoload=True)
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domainmetadata_table = Table('domainmetadata', meta, autoload=True)
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records_table = Table('records', meta, autoload=True)
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records_fk = ForeignKeyConstraint(
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[records_table.c.domain_id],
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[domains_table.c.id],
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ondelete="CASCADE")
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records_fk.drop()
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domainmetadata_fk = ForeignKeyConstraint(
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[domainmetadata_table.c.domain_id],
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[domains_table.c.id],
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ondelete="CASCADE")
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domainmetadata_fk.drop()
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