Source code for glance.db.sqlalchemy.migrate_repo.versions.005_size_big_integer

# 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 (
    Boolean, DateTime, BigInteger, Integer, String,
    Text, from_migration_import)  # noqa

[docs]def get_images_table(meta): """ Returns the Table object for the images table that corresponds to the images table definition of this version. """ images = Table('images', meta, Column('id', Integer(), primary_key=True, nullable=False), Column('name', String(255)), Column('disk_format', String(20)), Column('container_format', String(20)), Column('size', BigInteger()), Column('status', String(30), nullable=False), Column('is_public', Boolean(), nullable=False, default=False, index=True), Column('location', Text()), Column('created_at', DateTime(), nullable=False), Column('updated_at', DateTime()), Column('deleted_at', DateTime()), Column('deleted', Boolean(), nullable=False, default=False, index=True), mysql_engine='InnoDB', extend_existing=True) return images
[docs]def upgrade(migrate_engine): meta = MetaData() meta.bind = migrate_engine # No changes to SQLite stores are necessary, since # there is no BIG INTEGER type in SQLite. Unfortunately, # running the Python migration script # on a SQLite datastore results in an error in the sa-migrate # code that does the workarounds for SQLite not having # ALTER TABLE MODIFY COLUMN ability dialect = migrate_engine.url.get_dialect().name if not dialect.startswith('sqlite'): (get_images_table,) = from_migration_import( '003_add_disk_format', ['get_images_table']) images = get_images_table(meta) images.columns['size'].alter(type=BigInteger())

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