#101 マイグレとコントローラ

backend/db/migrate/20250909075500_add_original_created_at_to_posts.rb

@@ -0,0 +1,6 @@
+class AddOriginalCreatedAtToPosts < ActiveRecord::Migration[8.0]
+  def change
+    add_column :posts, :original_created_from, :datetime, after: :created_at
+    add_column :posts, :original_created_before, :datetime, after: :original_created_from
+  end
+end