OpenStack Study: 3cbf70257c28_nvp_mac_learning.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(

        'maclearningstates',

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

        sa.Column('mac_learning_enabled', sa.Boolean(), nullable=False),

        sa.ForeignKeyConstraint(

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

        sa.PrimaryKeyConstraint('port_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('maclearningstates')