title: Cannot set relations in relation view with phpMyAdmin
body: <p>I set my tables to InnoDB and can enter the relation view. But I only can add constraints no relations. What causes the problem?</p>
  
  <p>Server version: 5.7.14 - MySQL Community Server (GPL) </p>
  
  <p>phpMyAdmin Version: 4.6.4</p>
  
  <p>WampServer Version: 3.0.6
  <a href="https://i.stack.imgur.com/VJRsq.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VJRsq.png" alt="enter image description here"></a></p>
  
  <p>Here a picture how I expect the view to be, the table "Internal relations" is missing:
  <a href="https://i.stack.imgur.com/YnGdF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YnGdF.png" alt="enter image description here"></a></p>