ceilometer/ceilometer/storage/sqlalchemy/migrate_repo/versions/010_add_index_to_meter.py

24 lines
846 B
Python

#
#
# 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 as sa
def upgrade(migrate_engine):
meta = sa.MetaData(bind=migrate_engine)
meter = sa.Table('meter', meta, autoload=True)
index = sa.Index('idx_meter_rid_cname', meter.c.resource_id,
meter.c.counter_name)
index.create(bind=migrate_engine)