Flask异常—— UserWarning: Neither SQLALCHEMY_DATABASE_URI nor SQLALCHEMY_BINDS is set. Defaulting SQLALCHEMY_DATABASE_URI to “sqlite:///:memory:”.
'Neither SQLALCHEMY_DATABASE_URI nor SQLALCHEMY_BINDS is set. ’
Flask异常——FSADeprecationWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True or False to suppress this warning.
'SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and ’
在使用flask框架连接数据库时，可能会遇到如下异常：
UserWarning: Neither SQLALCHEMY_DATABASE_URI nor SQLALCHEMY_BINDS is set. Defaulting SQLALCHEMY_DATABASE_URI to “sqlite:///:memory:”.
'Neither SQLALCHEMY_DATABASE_URI nor SQLALCHEMY_BINDS is set. ’
FSADeprecationWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True or False to suppress this warning.
'SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and ’
Solution:
Check if there is any problem with the package imported by Config. Pay attention to the capitalization and spelling of letters.
My wrong way of writing. The Config I used should not be the Config in the flask package, but the Config defined by
myself. I wrote the Config myself. Add it in, it can run normally
