65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Add unique constraint for id column of TunnelEndpoint
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Revision ID: 63afba73813
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Revises: 3c6e57a23db4
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Create Date: 2013-04-30 13:53:31.717450
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"""
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# revision identifiers, used by Alembic.
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revision = '63afba73813'
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down_revision = '3c6e57a23db4'
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# Change to ['*'] if this migration applies to all plugins
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migration_for_plugins = [
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'neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2',
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]
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from alembic import op
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from neutron.db import migration
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CONSTRAINT_NAME = 'uniq_ovs_tunnel_endpoints0id'
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TABLE_NAME = 'ovs_tunnel_endpoints'
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def upgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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op.create_unique_constraint(
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name=CONSTRAINT_NAME,
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source=TABLE_NAME,
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local_cols=['id']
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)
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def downgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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op.drop_constraint(
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CONSTRAINT_NAME,
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TABLE_NAME,
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type_='unique'
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)
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