keystone.common.sql.migrate_repo.versions.092_make_implied_roles_fks_cascaded

Source code for keystone.common.sql.migrate_repo.versions.092_make_implied_roles_fks_cascaded

#    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


ROLE_TABLE = 'role'
IMPLIED_ROLE_TABLE = 'implied_role'


[docs]def upgrade(migrate_engine): meta = sql.MetaData() meta.bind = migrate_engine role = sql.Table(ROLE_TABLE, meta, autoload=True) implied_role = sql.Table(IMPLIED_ROLE_TABLE, meta, autoload=True) fkeys = [ {'columns': [implied_role.c.prior_role_id], 'references': [role.c.id]}, {'columns': [implied_role.c.implied_role_id], 'references': [role.c.id]}, ] # NOTE(stevemar): We need to divide these into two separate loops otherwise # they may clobber each other and only end up with one foreign key. for fkey in fkeys: migrate.ForeignKeyConstraint(columns=fkey['columns'], refcolumns=fkey['references'], name=fkey.get('name')).drop() for fkey in fkeys: migrate.ForeignKeyConstraint(columns=fkey['columns'], refcolumns=fkey['references'], name=fkey.get('name'), ondelete="CASCADE").create()
Creative Commons Attribution 3.0 License

Except where otherwise noted, this document is licensed under Creative Commons Attribution 3.0 License. See all OpenStack Legal Documents.