**** CubicPower OpenStack Study ****
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
t = Table('bm_nodes', meta, autoload=True)
uuid_col = Column('uuid', String(36))
t.create_column(uuid_col)
uuid_ux = Index('uuid_ux', t.c.uuid, unique=True)
uuid_ux.create(migrate_engine)
**** CubicPower OpenStack Study ****
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
t = Table('bm_nodes', meta, autoload=True)
t.drop_column('uuid')
