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# 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 as sql
from sqlalchemy import func
def upgrade(migrate_engine):
meta = sql.MetaData()
meta.bind = migrate_engine
user_table = sql.Table('user', meta, autoload=True)
local_user_table = sql.Table('local_user', meta, autoload=True)
password_table = sql.Table('password', meta, autoload=True)
# migrate data to local_user table
local_user_values = []
for row in user_table.select().execute():
# skip the row that already exists in `local_user`, this could
# happen if run into a partially-migrated table due to the
# bug #1549705.
filter_by = local_user_table.c.user_id == row['id']
user_count = sql.select([func.count()]).select_from(
local_user_table).where(filter_by).execute().fetchone()[0]
if user_count == 0:
local_user_values.append({'user_id': row['id'],
'domain_id': row['domain_id'],
'name': row['name']})
if local_user_values:
local_user_table.insert().values(local_user_values).execute()
# migrate data to password table
sel = (
sql.select([user_table, local_user_table], use_labels=True)
.select_from(user_table.join(local_user_table, user_table.c.id ==
local_user_table.c.user_id))
)
user_rows = sel.execute()
password_values = []
for row in user_rows:
if row['user_password']:
password_values.append({'local_user_id': row['local_user_id'],
'password': row['user_password']})
if password_values:
password_table.insert().values(password_values).execute()
# remove domain_id and name unique constraint
if migrate_engine.name != 'sqlite':
migrate.UniqueConstraint(user_table.c.domain_id,
user_table.c.name,
name='ixu_user_name_domain_id').drop()
# drop user columns
user_table.c.domain_id.drop()
user_table.c.name.drop()
user_table.c.password.drop()
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