43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC
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# All Rights Reserved.
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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 Column, Integer, MetaData, String, Table
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def upgrade(migrate_engine):
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# Upgrade operations go here. Don't create your own engine;
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# bind migrate_engine to your metadata
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meta = MetaData()
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meta.bind = migrate_engine
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networks = Table('networks', meta, autoload=True)
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networks_label = Column(
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'label',
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String(length=255, convert_unicode=False, assert_unicode=None,
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unicode_error=None, _warn_on_bytestring=False))
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networks.create_column(networks_label)
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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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networks = Table('networks', meta, autoload=True)
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networks.drop_column('label')
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