new_contents: # Copyright 2013 Hewlett-Packard Development Company, L.P.
  #
  # Author: Endre Karlson <endre.karlson@hp.com>
  #
  # 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 MetaData, Index, Table
  
  meta = MetaData()
  
  
  def upgrade(migrate_engine):
      meta.bind = migrate_engine
  
      records_table = Table('records', meta, autoload=True)
  
      index = Index('designate_recordset_id',
                    records_table.c.designate_recordset_id)
      index.create()
  
  
  def downgrade(migrate_engine):
      meta.bind = migrate_engine
  
      records_table = Table('records', meta, autoload=True)
      index = Index('designate_recordset_id',
                    records_table.c.designate_recordset_id)
      index.drop()
  
subject: Add index on powerdns.records.designate_record_id