cinder/cinder/db/sqlalchemy/migrate_repo/versions/062_deleted_type_to_Integer.py

31 lines
1.2 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.
from sqlalchemy import Integer
from sqlalchemy import MetaData, Table
def upgrade(migrate_engine):
"""Deleted col of volume_type_projects converted(tinyint->Int)."""
meta = MetaData()
meta.bind = migrate_engine
volume_type_projects = Table('volume_type_projects', meta, autoload=True)
if migrate_engine.name == 'postgresql':
# NOTE: PostgreSQL can't cast Boolean to int automatically
sql = 'ALTER TABLE volume_type_projects ALTER COLUMN deleted ' + \
'TYPE INTEGER USING deleted::integer'
migrate_engine.execute(sql)
else:
volume_type_projects.c.deleted.alter(Integer)