title: How to alter column type of a primary key and connected foreign keys?
body: <p>I have a primary key named item_id. This column is connected as a foreign key in other tables.</p>
  
  <p>If I try to change the column type one by one I have this: #1025 - Error on rename...</p>
  
  <p>How do I change the column type for all columns?</p>