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OpenStack Study: fcac4c42e2cc_bsn_addresspairs.py

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**** CubicPower OpenStack Study ****

def upgrade(active_plugins=None, options=None):

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    op.create_table(

        'allowedaddresspairs',

        sa.Column('port_id', sa.String(length=36), nullable=False),

        sa.Column('mac_address', sa.String(length=32), nullable=False),

        sa.Column('ip_address', sa.String(length=64), nullable=False),

        sa.ForeignKeyConstraint(['port_id'], ['ports.id'], ondelete='CASCADE'),

        sa.PrimaryKeyConstraint('port_id', 'mac_address', 'ip_address'),

    )

**** CubicPower OpenStack Study ****

def downgrade(active_plugins=None, options=None):

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    op.drop_table('allowedaddresspairs')