Source code for keystone.common.sql.expand_repo.versions.036_expand_rename_application_credential_restriction_column
# 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 as sql
[docs]def upgrade(migrate_engine):
meta = sql.MetaData()
meta.bind = migrate_engine
table = sql.Table(
'application_credential', meta, autoload=True
)
# MySQL and PostgreSQL can handle a column rename.
# Only Sqlite is special. Since Sqlite can't support an online upgrade
# anyway, just brute-force the migration by copying the table.
if migrate_engine.name == 'sqlite':
old_table = table
args = []
for column in old_table.columns:
if column.name != 'allow_application_credential_creation':
args.append(column.copy())
unrestricted = sql.Column('unrestricted', sql.Boolean)
args.append(unrestricted)
constraint = sql.UniqueConstraint('user_id', 'name',
name='duplicate_app_cred_constraint')
args.append(constraint)
new_table = sql.Table('application_credential_temp',
old_table.metadata, *args)
new_table.create(migrate_engine, checkfirst=True)
else:
unrestricted = sql.Column('unrestricted', sql.Boolean())
table.create_column(unrestricted)