from flask_sqlalchemy import SQLAlchemy import sqlalchemy as sa db = SQLAlchemy() class User(db.Model): id = sa.Column(sa.Integer, primary_key=True) name = sa.Column(sa.String) email = sa.Column(sa.String) personal_number = sa.Column(sa.String, unique=True) rfid_number = sa.Column(sa.String, unique=True) active = sa.Column(sa.Boolean) class TimeStamp(db.Model): id = sa.Column(sa.Integer, primary_key=True) id_user = sa.Column(sa.ForeignKey(User.id)) create_time = sa.Column(sa.TIMESTAMP) timestamp = sa.Column(sa.TIMESTAMP)