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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC.
# All Rights Reserved.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sqlalchemy import Index, MetaData, Table
from sqlalchemy.exc import IntegrityError
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
t = Table('fixed_ips', meta, autoload=True)
# Based on fixed_ip_delete_associate
# from: nova/db/sqlalchemy/api.py
i = Index('fixed_ips_deleted_allocated_idx',
t.c.address, t.c.deleted, t.c.allocated)
try:
i.create(migrate_engine)
except IntegrityError:
pass
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
t = Table('fixed_ips', meta, autoload=True)
i = Index('fixed_ips_deleted_allocated_idx',
t.c.address, t.c.deleted, t.c.allocated)
i.drop(migrate_engine)
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