Ruby on rails ActsAsTaggableOn:标记未保留在数据库中

我正在使用3.4上的acts_as_taggable_插件来标记Rails 4.2.4。我尝试通过种子文件和控制台添加自定义标记，虽然它似乎添加了属性，但我无法访问它们

我的模型：

class Recipe < ActiveRecord::Base
  acts_as_taggable_on :tags
  acts_as_taggable_on :dietaries, :meals, :cuisines, :sources
end

运行seed以在上面的seed文件中创建配方后的控制台步骤：

tarte = Recipe.first
tarte.dietary_list.add("vegetarian," "vegan")
tarte.meal_list.add("appetizers", "mains", "dinner")
tarte.cuisine_list.add("French")
tarte.source_list.add("Chocolate and Zucchini")

当我调用Recipe.first.u列表时，它会运行一个查询

Recipe Load (0.6ms)  SELECT  "recipes".* FROM "recipes"  ORDER BY "recipes"."id" ASC LIMIT 1
ActsAsTaggableOn::Tag Load (0.7ms)SELECT "tags".* FROM "tags" INNER JOIN "taggings" ON "tags"."id" = "taggings"."tag_id" WHERE "taggings"."taggable_id" = $1 AND "taggings"."taggable_type" = $2 AND (taggings.context = 'dietaries' AND taggings.tagger_id IS NULL)  [["taggable_id", 1], ["taggable_type", "Recipe"]]

但它返回一个空数组：

=> []

如果调用Recipe.first.dietaries，它将返回一个空集合代理：

Recipe Load (0.6ms)  SELECT  "recipes".* FROM "recipes"  ORDER BY "recipes"."id" ASC LIMIT 1
ActsAsTaggableOn::Tag Load (0.5ms)  SELECT "tags".* FROM "tags" INNER JOIN "taggings" ON "tags"."id" = "taggings"."tag_id" WHERE "taggings"."taggable_id" = $1 AND "taggings"."taggable_type" = $2 AND "taggings"."context" = $3  [["taggable_id", 1], ["taggable_type", "Recipe"], ["context", "dietaries"]]
=> #<ActiveRecord::Associations::CollectionProxy []>

---

使用这个工具有什么我不知道的吗？或者，是否有更好的标记工具？

通过在输入所有标记后调用.save来解决问题

您是否在种子文件或控制台步骤中调用过tarte.save？

Recipe Load (0.6ms)  SELECT  "recipes".* FROM "recipes"  ORDER BY "recipes"."id" ASC LIMIT 1
ActsAsTaggableOn::Tag Load (0.5ms)  SELECT "tags".* FROM "tags" INNER JOIN "taggings" ON "tags"."id" = "taggings"."tag_id" WHERE "taggings"."taggable_id" = $1 AND "taggings"."taggable_type" = $2 AND "taggings"."context" = $3  [["taggable_id", 1], ["taggable_type", "Recipe"], ["context", "dietaries"]]
=> #<ActiveRecord::Associations::CollectionProxy []>