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# Copyright 2014 IBM Corp.
#
# 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 sqlalchemy as sql
_REGION_TABLE_NAME = 'region'
def upgrade(migrate_engine):
meta = sql.MetaData()
meta.bind = migrate_engine
region_table = sql.Table(_REGION_TABLE_NAME, meta, autoload=True)
url_column = sql.Column('url', sql.String(255), nullable=True)
region_table.create_column(url_column)
def downgrade(migrate_engine):
meta = sql.MetaData()
meta.bind = migrate_engine
region_table = sql.Table(_REGION_TABLE_NAME, meta, autoload=True)
region_table.drop_column('url')
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