- InvalidRequestError: Table is already defined for this MetaData instance. Specify 'extend_existing=True' to redefine options and columns on an existing Table object.
- sqlalchemy v0.7.8 一对多关系的backref出错
转载于:https://www.cnblogs.com/edhg/p/8907300.html
转载于:https://www.cnblogs.com/edhg/p/8907300.html