+        city_zipcode3:
+            columns: [ city, zipcode ]
+            #XXX: see https://github.com/doctrine/dbal/pull/2412 and https://stackoverflow.com/questions/32539973/configuring-index-text-length-mysql-in-doctrine
+            options:
+                lengths: [ ~, 3 ]
+    lifecycleCallbacks:
+        preUpdate: ['preUpdate']