20160831125422_add_drug_name_active_ingredients_and_company_to_fda_dap.py 文件源码

def downgrade():
    with op.batch_alter_table('fda_dap') as batch_op:
        batch_op.drop_column('drug_name')
        batch_op.drop_column('active_ingredients')
        batch_op.drop_column('company')