suppose there is a table A whose fields are roughly as follows: < table > < thead > < tr > < th > column < th > < th > index < th > < tr > < thead > < tbody > < tr > < td > id < td > < td > True < td > < tr > < tr > < td > name < td > <...
the result of the query is a model.user type, not a simple dict, so how can you use it like an object? user = User.query.filter(User.username == username, User.password == password).first() ...
according to the book, this error will be reported all the time, which probably means that this error can only be used in the same thread, right? Do you want to use creat_scoped_session? please give me some advice. Thank you! sqlalchemy.exc.Programm...