/usr/share/pyshared/glance/registry/db/migrate_repo/versions/010_default_update_at.py is in python-glance 2012.1.3+stable~20120821-120fcf-0ubuntu1.5.
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# Copyright 2011 OpenStack LLC.
# 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.
from migrate.changeset import *
from sqlalchemy import *
from glance.registry.db.migrate_repo.schema import from_migration_import
def get_images_table(meta):
"""
No changes to the images table from 008...
"""
(get_images_table,) = from_migration_import(
'008_add_image_members_table', ['get_images_table'])
images = get_images_table(meta)
return images
def get_image_properties_table(meta):
"""
No changes to the image properties table from 008...
"""
(get_image_properties_table,) = from_migration_import(
'008_add_image_members_table', ['get_image_properties_table'])
image_properties = get_image_properties_table(meta)
return image_properties
def get_image_members_table(meta):
"""
No changes to the image members table from 008...
"""
(get_image_members_table,) = from_migration_import(
'008_add_image_members_table', ['get_image_members_table'])
images = get_image_members_table(meta)
return images
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
images_table = get_images_table(meta)
# set updated_at to created_at if equal to None
conn = migrate_engine.connect()
conn.execute(
images_table.update(
images_table.c.updated_at == None,
{images_table.c.updated_at: images_table.c.created_at}))
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
images_table = get_images_table(meta)
# set updated_at to None if equal to created_at
conn = migrate_engine.connect()
conn.execute(
images_table.update(
images_table.c.updated_at == images_table.c.created_at,
{images_table.c.updated_at: None}))
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