update step migration

db/migrate/20170414233856_try_step_migration_again.rb

@@ -0,0 +1,27 @@
+class TryStepMigrationAgain < ActiveRecord::Migration[5.0]
+  class RecipeStub < ActiveRecord::Base
+    self.table_name = 'recipes'
+  end
+
+  class RecipeStepStub < ActiveRecord::Base
+    self.table_name = 'recipe_steps'
+  end
+
+  def up
+    RecipeStub.all.each do |r|
+      text = ''
+      RecipeStepStub.where(recipe_id: r.id).order(:sort_order).each do |s|
+        text << '1. '
+        text << s.step
+        text << "\n\n"
+      end
+
+      r.step_text = text
+      r.save!
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration, "Can't undo step migration"
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170414185039) do
+ActiveRecord::Schema.define(version: 20170414233856) do
 
   create_table "ingredient_units", force: :cascade do |t|
     t.integer "ingredient_id",                          null: false