text: #    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.
  
  """nested domain attributes in cisco_apic extension
  
  Revision ID: 4967af35820f
  Revises: 1c564e737f9f
  Create Date: 2018-04-19 14:18:11.909757
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4967af35820f'
  down_revision = '1c564e737f9f'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
  
      op.add_column('apic_aim_network_extensions',
                    sa.Column('nested_domain_name', sa.String(1024),
                        nullable=True))
      op.add_column('apic_aim_network_extensions',
                    sa.Column('nested_domain_type', sa.String(1024),
                        nullable=True))
      op.add_column('apic_aim_network_extensions',
                    sa.Column('nested_domain_infra_vlan', sa.Integer,
                        nullable=True))
      op.add_column('apic_aim_network_extensions',
                    sa.Column('nested_domain_service_vlan', sa.Integer,
                        nullable=True))
      op.add_column('apic_aim_network_extensions',
                    sa.Column('nested_domain_node_network_vlan', sa.Integer,
                        nullable=True))
  
      op.create_table(
          'apic_aim_network_nested_domain_allowed_vlans',
          sa.Column('vlan', sa.Integer, nullable=False),
          sa.PrimaryKeyConstraint('vlan'),
          sa.Column('network_id', sa.String(36), nullable=False),
          sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
                                  name='apic_aim_network_nested_extn_fk_network',
                                  ondelete='CASCADE')
      )
  
  
  def downgrade():
      pass
  