bug #4506 SetDescription required on Product entities (yearofthegus)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #4506). Discussion ---------- SetDescription required on Product entities Doctrine sets columns to NOT NULL by default. The code in the example throws an exception without the fix. Commits ------- bb085da SetDescription required on Product entities

Author: wouterj

book/doctrine.rst

@@ -1105,6 +1105,7 @@ Now you can see this new code in action! Imagine you're inside a controller::
  $product = new Product();
  $product->setName('Foo');
  $product->setPrice(19.99);
+ $product->setDescription('Lorem ipsum dolor');
  // relate this product to the category
  $product->setCategory($category);