53 lines
1.8 KiB
Python
53 lines
1.8 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 migrate
|
|
import sqlalchemy
|
|
|
|
from heat.db.sqlalchemy import utils as migrate_utils
|
|
|
|
|
|
def upgrade(migrate_engine):
|
|
if migrate_engine.name == 'sqlite':
|
|
upgrade_sqlite(migrate_engine)
|
|
return
|
|
|
|
meta = sqlalchemy.MetaData()
|
|
meta.bind = migrate_engine
|
|
|
|
tmpl_table = sqlalchemy.Table('raw_template', meta, autoload=True)
|
|
|
|
# drop constraint
|
|
fkey = migrate.ForeignKeyConstraint(
|
|
columns=[tmpl_table.c.predecessor],
|
|
refcolumns=[tmpl_table.c.id],
|
|
name='predecessor_fkey_ref')
|
|
fkey.drop()
|
|
tmpl_table.c.predecessor.drop()
|
|
|
|
|
|
def upgrade_sqlite(migrate_engine):
|
|
meta = sqlalchemy.MetaData()
|
|
meta.bind = migrate_engine
|
|
|
|
tmpl_table = sqlalchemy.Table('raw_template', meta, autoload=True)
|
|
ignorecols = [tmpl_table.c.predecessor.name]
|
|
new_template = migrate_utils.clone_table('new_raw_template',
|
|
tmpl_table,
|
|
meta, ignorecols=ignorecols)
|
|
# migrate stacks to new table
|
|
migrate_utils.migrate_data(migrate_engine,
|
|
tmpl_table,
|
|
new_template,
|
|
skip_columns=['predecessor'])
|