33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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 migrate.changeset.constraint import UniqueConstraint
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from sqlalchemy import schema
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meta = schema.MetaData()
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def upgrade(migrate_engine):
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meta.bind = migrate_engine
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table = schema.Table('environment', meta, autoload=True)
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cons = UniqueConstraint("tenant_id", "name", table=table)
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cons.create()
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def downgrade(migrate_engine):
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meta.bind = migrate_engine
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table = schema.Table('environment', meta, autoload=True)
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cons = UniqueConstraint("tenant_id", "name", table=table)
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cons.drop()
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