SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future.
Environment:Mac OS 10.12.2, Python 2.7.10, SQLAlchemy 1.1.4
在试教程 http://www.jikexueyuan.com/course/1387_2.html?ss=1 时,用到python flask_sqlalchemy (version 1.1.4)时,报一个warning
解决办法是加一行配置,将SQLALCHEMY_TRACK_MODIFICATIONS设为true,如下
参考链接:http://www.jianshu.com/p/70c892fab7af