old_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2013 OpenStack Foundation
  # All Rights Reserved.
  #
  #    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
  
  import logging as base_logging
  import glance.openstack.common.log as logging
  
  
  LOG = logging.getLogger(__name__)
  
  sa_logger = base_logging.getLogger('sqlalchemy.engine')
  sa_logger.setLevel(base_logging.DEBUG)
  
  
  def get_images_table(meta):
      return sqlalchemy.Table('images', meta, autoload=True)
  
  
  def get_image_locations_table(meta):
      return sqlalchemy.Table('image_locations', meta, autoload=True)
  
  
  def upgrade(migrate_engine):
      meta = sqlalchemy.schema.MetaData(migrate_engine)
  
      images_table = get_images_table(meta)
      image_locations_table = get_image_locations_table(meta)
  
      image_records = images_table.select().execute().fetchall()
      for image in image_records:
          if image.location is not None:
              values = {
                  'image_id': image.id,
                  'value': image.location,
                  'created_at': image.created_at,
                  'updated_at': image.updated_at,
                  'deleted': image.deleted,
                  'deleted_at': image.deleted_at,
              }
              image_locations_table.insert(values=values).execute()
  
  
  def downgrade(migrate_engine):
      meta = sqlalchemy.schema.MetaData(migrate_engine)
  
      images_table = get_images_table(meta)
      image_locations_table = get_image_locations_table(meta)
  
      image_records = image_locations_table.select().execute().fetchall()
  
      for image_location in image_records:
          images_table.update(values={'location': image_location.value})\
                      .where(images_table.c.id == image_location.image_id)\
                      .execute()
  
new_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2013 OpenStack Foundation
  # All Rights Reserved.
  #
  #    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
  
  
  def get_images_table(meta):
      return sqlalchemy.Table('images', meta, autoload=True)
  
  
  def get_image_locations_table(meta):
      return sqlalchemy.Table('image_locations', meta, autoload=True)
  
  
  def upgrade(migrate_engine):
      meta = sqlalchemy.schema.MetaData(migrate_engine)
  
      images_table = get_images_table(meta)
      image_locations_table = get_image_locations_table(meta)
  
      image_records = images_table.select().execute().fetchall()
      for image in image_records:
          if image.location is not None:
              values = {
                  'image_id': image.id,
                  'value': image.location,
                  'created_at': image.created_at,
                  'updated_at': image.updated_at,
                  'deleted': image.deleted,
                  'deleted_at': image.deleted_at,
              }
              image_locations_table.insert(values=values).execute()
  
  
  def downgrade(migrate_engine):
      meta = sqlalchemy.schema.MetaData(migrate_engine)
  
      images_table = get_images_table(meta)
      image_locations_table = get_image_locations_table(meta)
  
      image_records = image_locations_table.select().execute().fetchall()
  
      for image_location in image_records:
          images_table.update(values={'location': image_location.value})\
                      .where(images_table.c.id == image_location.image_id)\
                      .execute()
  
subject: Remove unnecessary logging from migration 019