Resolve "Inherit from another table"

Closes #127 (closed)

server/app/database/models.py

@@ -194,6 +194,7 @@ class Component(db.Model):
     y = db.Column(db.Integer, nullable=False, default=0)
     w = db.Column(db.Integer, nullable=False, default=1)
     h = db.Column(db.Integer, nullable=False, default=1)
+    view_type_id = db.Column(db.Integer, db.ForeignKey("view_type.id"), nullable=True)
     slide_id = db.Column(db.Integer, db.ForeignKey("slide.id"), nullable=False)
     type_id = db.Column(db.Integer, db.ForeignKey("component_type.id"), nullable=False)