Source code for glance.db.sqlalchemy.migrate_repo.versions.006_key_to_name

# Copyright 2011 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
#    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 *  # noqa

from glance.db.sqlalchemy.migrate_repo.schema import from_migration_import

[docs]def get_images_table(meta): """ No changes to the image properties table from 002... """ (get_images_table,) = from_migration_import( '004_add_checksum', ['get_images_table']) images = get_images_table(meta) return images
[docs]def upgrade(migrate_engine): meta = MetaData() meta.bind = migrate_engine (get_image_properties_table,) = from_migration_import( '004_add_checksum', ['get_image_properties_table']) image_properties = get_image_properties_table(meta) if == "ibm_db_sa": # NOTE(dperaza) ibm db2 does not allow ALTER INDEX so we will drop # the index, rename the column, then re-create the index sql_commands = [ """ALTER TABLE image_properties DROP UNIQUE ix_image_properties_image_id_key;""", """ALTER TABLE image_properties RENAME COLUMN \"key\" to name;""", """ALTER TABLE image_properties ADD CONSTRAINT ix_image_properties_image_id_name UNIQUE(image_id, name);""", ] for command in sql_commands: meta.bind.execute(command) else: index = Index('ix_image_properties_image_id_key', image_properties.c.image_id, image_properties.c.key) index.rename('ix_image_properties_image_id_name') image_properties = get_image_properties_table(meta) image_properties.columns['key'].alter(name="name")

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