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  # Copyright 2011 OpenStack LLC.
  #
  #    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
  
  
  def upgrade(migrate_engine):
      # Upgrade operations go here. Don't create your own engine;
      # bind migrate_engine to your metadata
      meta = MetaData()
      meta.bind = migrate_engine
      if migrate_engine.name == "mysql":
          migrate_engine.execute("ALTER TABLE auth_tokens Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE certificates Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE compute_nodes Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE console_pools Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE consoles Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE export_devices Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE fixed_ips Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE floating_ips Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE instance_actions Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE instance_metadata Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE instance_types Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE instances Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE iscsi_targets Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE key_pairs Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE migrate_version Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE migrations Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE networks Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE projects Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE quotas Engine=InnoDB")
          migrate_engine.execute(
           "ALTER TABLE security_group_instance_association Engine=InnoDB")
          migrate_engine.execute(
           "ALTER TABLE security_group_rules Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE security_groups Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE services Engine=InnoDB")
          migrate_engine.execute(
           "ALTER TABLE user_project_association Engine=InnoDB")
          migrate_engine.execute(
           "ALTER TABLE user_project_role_association Engine=InnoDB")
          migrate_engine.execute(
           "ALTER TABLE user_role_association Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE users Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE volumes Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE zones Engine=InnoDB")
          migrate_engine.execute("ALTER TABLE snapshots Engine=InnoDB")
  
  
  def downgrade(migrate_engine):
      pass
  