1 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb b/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb
index fd94a2d038..fb0fbb4759 100644
--- a/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb
+++ b/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb
@@ -9,11 +9,14 @@ class <%= migration_class_name %> < ActiveRecord::Migration
 <% end -%>
 <% end -%>
 <% if options[:timestamps] %>
-      t.timestamps
+      t.timestamps null: false
 <% end -%>
     end
 <% attributes_with_index.each do |attribute| -%>
     add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %>
 <% end -%>
+<% attributes.select(&:reference?).reject(&:polymorphic?).each do |attribute| -%>
+    add_foreign_key :<%= table_name %>, :<%= attribute.name.pluralize %>
+<% end -%>
   end
 end