OpenStack Study: 38335592a0dc_nvp_portmap.py

**** CubicPower OpenStack Study ****

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

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    op.create_table(

        'quantum_nvp_port_mapping',

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

        sa.Column('nvp_id', sa.String(length=36), nullable=True),

        sa.ForeignKeyConstraint(['quantum_id'], ['ports.id'],

                                ondelete='CASCADE'),

        sa.PrimaryKeyConstraint('quantum_id'))

**** CubicPower OpenStack Study ****

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

    if not migration.should_run(active_plugins, migration_for_plugins):

        return

    op.drop_table('quantum_nvp_port_mapping')