Source code for keystone.common.sql.contract_repo.versions.013_contract_protocol_cascade_delete_for_federated_user

# 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
#
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# under the License.

import migrate
import sqlalchemy as sql


[docs]def upgrade(migrate_engine):
    meta = sql.MetaData()
    meta.bind = migrate_engine

    federated_table = sql.Table('federated_user', meta, autoload=True)
    protocol_table = sql.Table('federation_protocol', meta, autoload=True)

    migrate.ForeignKeyConstraint(
        columns=[federated_table.c.protocol_id, federated_table.c.idp_id],
        refcolumns=[protocol_table.c.id, protocol_table.c.idp_id]).drop()

    migrate.ForeignKeyConstraint(
        columns=[federated_table.c.protocol_id, federated_table.c.idp_id],
        refcolumns=[protocol_table.c.id, protocol_table.c.idp_id],
        ondelete='CASCADE').create()