40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# Copyright 2014 Red Hat, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
"""add unique constraint to instance_uuid
|
|
|
|
Revision ID: 3bea56f25597
|
|
Revises: 31baaf680d2b
|
|
Create Date: 2014-06-05 11:45:07.046670
|
|
|
|
"""
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision = '3bea56f25597'
|
|
down_revision = '31baaf680d2b'
|
|
|
|
from alembic import op
|
|
|
|
|
|
def upgrade():
|
|
op.create_unique_constraint("uniq_nodes0instance_uuid", "nodes",
|
|
["instance_uuid"])
|
|
op.drop_index('node_instance_uuid', 'nodes')
|
|
|
|
|
|
def downgrade():
|
|
op.drop_constraint("uniq_nodes0instance_uuid", "nodes", type_='unique')
|
|
op.create_index('node_instance_uuid', 'nodes', ['instance_uuid'])
|