Foreign Keys

init.py

@@ -2,6 +2,7 @@ from flask import Flask
 from flask_login import LoginManager, UserMixin
 from flask_sqlalchemy import SQLAlchemy
 from flask_talisman import Talisman
+from sqlalchemy import ForeignKey
 
 from get_mysql import get_mysql
 import atexit
@@ -43,7 +44,8 @@ class User(UserMixin, db.Model):
     """
     Datenbank-Modell für User.
     """
-    id = db.Column(db.Integer, primary_key=True)
+    __tablename__ = 'user'
+    id = db.Column(db.Integer, ForeignKey('dualis.uid', ondelete='CASCADE'), primary_key=True)
     email = db.Column(db.String(255), unique=True)
     name = db.Column(db.String(255))
     kurs = db.Column(db.String(15))
@@ -53,6 +55,7 @@ class Dualis(db.Model):
     """
     Datenbank-Modell für Dualis.
     """
+    __tablename__ = 'dualis'
     token = db.Column(db.String(255), unique=True)
     uid = db.Column(db.Integer, primary_key=True)
     token_created = db.Column(db.Integer)
@@ -63,7 +66,8 @@ class Semesterlist(db.Model):
     """
     Datenbank-Modell für Semester-Liste.
     """
-    uid = db.Column(db.Integer)
+    __tablename__ = 'semesterlist'
+    uid = db.Column(db.Integer, ForeignKey('dualis.uid', ondelete='CASCADE'))
     semestername = db.Column(db.String(25))
     semesterid = db.Column(db.String(15))
     itemid = db.Column(db.Integer, primary_key=True)
@@ -73,6 +77,7 @@ class Rapla(db.Model):
     """
     Datenbank-Modell für Rapla.
     """
+    __tablename__ = 'rapla'
     name = db.Column(db.String(15), primary_key=True)
     file = db.Column(db.String(20), unique=True)
     link = db.Column(db.String(255), unique=True)
@@ -82,6 +87,7 @@ class Meals(db.Model):
     """
     Datenbank-Modell für Meals.
     """
+    __tablename__ = 'meals'
     id = db.Column(db.Integer, primary_key=True)
     date = db.Column(db.Date)
     name = db.Column(db.String(200))