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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 Red Hat, Inc.
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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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# http://www.apache.org/licenses/LICENSE-2.0
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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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from sqlalchemy import Column, MetaData, String, Table
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def downgrade(migrate_engine):
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meta.bind = migrate_engine
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token = Table('token', meta, autoload=True)
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old_id_col = token.c.id
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old_id_col.alter(name='id_hash')
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# Note: We obtain a new metadata reference to avoid
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# sqlalchemy.exc.ArgumentError:
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# Trying to redefine primary-key column 'id' as a non-primary-key...
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meta.bind = migrate_engine
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token = Table('token', meta, autoload=True)
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new_id = Column("id", String(2048))
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token.create_column(new_id)
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def upgrade(migrate_engine):
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meta.bind = migrate_engine
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token = Table('token', meta, autoload=True)
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token.drop_column('id')
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token = Table('token', meta, autoload=True)
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id_col = token.c.id_hash
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id_col.alter(name='id')