46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
#
|
|
# 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
|
|
|
|
from heat.db.sqlalchemy import utils as migrate_utils
|
|
|
|
|
|
def upgrade(migrate_engine):
|
|
meta = sqlalchemy.MetaData(bind=migrate_engine)
|
|
|
|
stack = sqlalchemy.Table('stack', meta, autoload=True)
|
|
parent_resource_name = sqlalchemy.Column('parent_resource_name',
|
|
sqlalchemy.String(255))
|
|
parent_resource_name.create(stack)
|
|
|
|
|
|
def downgrade(migrate_engine):
|
|
meta = sqlalchemy.MetaData(bind=migrate_engine)
|
|
|
|
stack = sqlalchemy.Table('stack', meta, autoload=True)
|
|
if migrate_engine.name == 'sqlite':
|
|
_downgrade_062_sqlite(migrate_engine, meta, stack)
|
|
else:
|
|
stack.c.parent_resource_name.drop()
|
|
|
|
|
|
def _downgrade_062_sqlite(migrate_engine, metadata, table):
|
|
new_table = migrate_utils.clone_table(
|
|
table.name + '__tmp__', table, metadata,
|
|
ignorecols=['parent_resource_name'])
|
|
migrate_utils.migrate_data(migrate_engine,
|
|
table,
|
|
new_table,
|
|
['parent_resource_name'])
|