45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
# Copyright 2012 OpenStack Foundation
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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.schema import Column
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from sqlalchemy.schema import MetaData
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from trove.db.sqlalchemy.migrate_repo.schema import Integer
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from trove.db.sqlalchemy.migrate_repo.schema import String
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from trove.db.sqlalchemy.migrate_repo.schema import Table
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def upgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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# add column:
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instances = Table('instances', meta, autoload=True)
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volume_size = Column('volume_size', Integer())
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flavor_id = Column('flavor_id', String(36))
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instances.create_column(flavor_id)
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instances.create_column(volume_size)
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def downgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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# drop column:
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instances = Table('instances', meta, autoload=True)
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instances.drop_column('flavor_id')
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instances.drop_column('volume_size')
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