sqlachemy 查询当日数据，
Tokens.query.filter(Tokens.user_id==user_id,db.cast(Tokens.create_time,db.DATE)==db.cast(current_time,db.DATE)).all()
sqlachemy 获取新创建对象的id，flush与commit
divclass=\cnblogs_Highlighter\preclass=\brush:python;gutter:true;\foraccount_infoinvalid_account_detail: