SQLAlchemy踩过的坑

SQLAlchemy的类继承、抽象类
https://www.jianshu.com/p/b3cc2fd97b7a
ON DUPLICATE KEY UPDATE in the SQL statement
https://www.e-learn.cn/content/wangluowenzhang/213028
Flask-SQLAlchemy 同时按照两个条件排序
https://blog.csdn.net/u011361138/article/details/86301240
SQLAlchemy 详解
https://www.jianshu.com/p/ec864413b051
sqlalchemy 系列教程一
https://blog.csdn.net/u010339879/article/details/84038975
SQlAlchemy的增删改查
https://www.cnblogs.com/chenxi67/p/10376617.html
SQLAlchemy会话与事务控制
http://www.codexiu.cn/python/sqlalchemy%E5%9F%BA%E7%A1%80%E6%95%99%E7%A8%8B/531/
python中使用原生sql操作数据库
https://blog.csdn.net/qq_28893679/article/details/77453540
sqlachemy中批量删除的问题
https://segmentfault.com/q/1010000000130368
flask-sqlalchemy中 backref lazy的参数实例解释和选择
https://blog.csdn.net/qq_34146899/article/details/52559747
Flask - SQLAlchemy - 自关联关系模型
https://www.jianshu.com/p/9477a28f5079
SQLALchemy中关于复杂关系表模型的映射处理
https://www.cnblogs.com/MilletChili/p/9177298.html
SQLAlchemy —— query
https://www.jianshu.com/p/b03e20cde341