Source code for keystone.contrib.federation.migrate_repo.versions.003_mapping_id_nullable_false

# Copyright 2014 Mirantis.inc
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# 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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import sqlalchemy as sa


[docs]def upgrade(migrate_engine): meta = sa.MetaData(bind=migrate_engine) federation_protocol = sa.Table('federation_protocol', meta, autoload=True) # NOTE(i159): The column is changed to non-nullable. To prevent # database errors when the column will be altered, all the existing # null-records should be filled with not null values. stmt = (federation_protocol.update(). where(federation_protocol.c.mapping_id.is_(None)). values(mapping_id='')) migrate_engine.execute(stmt) federation_protocol.c.mapping_id.alter(nullable=False)
[docs]def downgrade(migrate_engine): meta = sa.MetaData(bind=migrate_engine) federation_protocol = sa.Table('federation_protocol', meta, autoload=True) federation_protocol.c.mapping_id.alter(nullable=True)