56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# Copyright 2014 OpenStack Foundation
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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 oslo_log import log as logging
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from sqlalchemy.exc import OperationalError
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from sqlalchemy.schema import Index
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from sqlalchemy.schema import MetaData
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from trove.db.sqlalchemy.migrate_repo.schema import Table
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logger = logging.getLogger('trove.db.sqlalchemy.migrate_repo.schema')
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def upgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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instances = Table('instances', meta, autoload=True)
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tenant_id_idx = Index("instances_tenant_id", instances.c.tenant_id)
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try:
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tenant_id_idx.create()
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except OperationalError as e:
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logger.info(e)
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deleted_idx = Index("instances_deleted", instances.c.deleted)
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try:
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deleted_idx.create()
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except OperationalError as e:
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logger.info(e)
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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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instances = Table('instances', meta, autoload=True)
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tenant_id_idx = Index("instances_tenant_id", instances.c.tenant_id)
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tenant_id_idx.drop()
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deleted_idx = Index("instances_deleted", instances.c.deleted)
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deleted_idx.drop()
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