37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
# Copyright 2012 OpenStack LLC
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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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import sqlalchemy as sql
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def upgrade(migrate_engine):
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# Upgrade operations go here. Don't create your own engine; bind
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meta = sql.MetaData()
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meta.bind = migrate_engine
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token = sql.Table('token', meta, autoload=True)
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# creating the column immediately with nullable=False fails with
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# PostgreSQL (LP 1068181), so do it in two steps instead
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valid = sql.Column(
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'valid', sql.Boolean(), sql.ColumnDefault(True), nullable=True)
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valid.create(token, populate_default=True)
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valid.alter(type=sql.Boolean(), default=True, nullable=False)
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def downgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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token = sql.Table('token', meta, autoload=True)
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token.drop_column('valid')
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