octavia/octavia/db/migration/alembic_migrations/versions/43287cd10fef_make_pool_lb_a...

44 lines
1.3 KiB
Python

# Copyright 2016 Blue Box, an IBM Company
#
# 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.
"""Make pool.lb_algorithm larger
Revision ID: 43287cd10fef
Revises: 6abb04f24c5
Create Date: 2016-01-14 10:05:27.803518
"""
# revision identifiers, used by Alembic.
revision = '43287cd10fef'
down_revision = '6abb04f24c5'
from alembic import op
import sqlalchemy as sa
def upgrade():
op.drop_constraint(
u'fk_pool_algorithm_name', u'pool',
type_=u'foreignkey'
)
op.alter_column(u'algorithm', u'name', nullable=False,
existing_type=sa.String(255))
op.alter_column(u'pool', u'lb_algorithm', nullable=False,
existing_type=sa.String(255))
op.create_foreign_key(
u'fk_pool_algorithm_name', u'pool',
u'algorithm', [u'lb_algorithm'], [u'name']
)