ruby-on-rails - Rails ActiveRecord::InvalidForeignKey在ArticlesController＃destroy中

ActiveRecord::InvalidForeignKey in ArticlesController#destroy

SQLite3::ConstraintException: FOREIGN KEY constraint failed: DELETE FROM "articles" WHERE "articles"."id" = ?

我正在创建一个博客应用程序，每次尝试删除包含评论的文章时都会出现此错误。我怎样才能修好它？
告诉我要发布的代码，我会更新问题。
物品管理员：

class ArticlesController < ApplicationController
    def new
        @article = Article.new
    end

    def index
     #@articles = Article.all
     @articles = Article.paginate(:page => params[:page], :per_page => 10)
    end

    def show
        @article = Article.find(params[:id])
    end

     def create
        @article = Article.new(article_params)

        @article.save
        redirect_to @article
    end

    def edit
        @article = Article.find(params[:id])
    end

    def update
        @article = Article.find(params[:id])
        if @article.update(article_params)
            redirect_to @article
        else
            render 'edit'
        end

    end

    def destroy
        @article = Article.find(params[:id])
        @article.destroy

        redirect_to articles_path
    end
end

private
def article_params
    params.require(:article).permit(:title, :text, :datee)
end

物品型号：

class Article < ApplicationRecord
    has_many :comments
    has_many :photos
end

评论模型：

class Comment < ApplicationRecord
  belongs_to :article
end

更新
现在我有一个新的错误

ArgumentError in ArticlesController#destroy

Unknown key: :dependant. Valid keys are: :class_name, :anonymous_class, :foreign_key, :validate, :autosave, :table_name, :before_add, :after_add, :before_remove, :after_remove, :extend, :primary_key, :dependent, :as, :through, :source, :source_type, :inverse_of, :counter_cache, :join_table, :foreign_type, :index_errors

最佳答案

为了避免此问题，您可以在dependent: :delete_all模型中定义Article，以便同时删除所有相关的Comment，如下所示：

class Article < ApplicationRecord
  has_many :comments, dependent: :delete_all
end

关于ruby-on-rails - Rails ActiveRecord::InvalidForeignKey在ArticlesController＃destroy中，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/45522580/