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path: root/glance/db/sqlalchemy/migrate_repo/versions/040_add_changes_to_satisfy_metadefs_tags.py
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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
#
#         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.


import sqlalchemy
from sqlalchemy import (Table, Index)


def upgrade(migrate_engine):
    if migrate_engine.name == 'mysql':
        meta = sqlalchemy.MetaData()
        meta.bind = migrate_engine
        metadef_tags = Table('metadef_tags', meta, autoload=True)
        Index('namespace_id', metadef_tags.c.namespace_id,
              metadef_tags.c.name).drop()