ruby-on-rails - 错误- ActiveModel::UnknownAttributeError: unknown attribute 'name' for Review
问题描述
当我运行时:
rails db:seed
在命令行中,我收到以下错误:
ActiveModel::UnknownAttributeError: unknown attribute 'name' for Review..........................................................
我运行时也遇到同样的错误:
rails db:seed
种子.rb
movie = Movie.find_by(title: 'Iron Man')
movie.reviews.create!(name: "Roger Ebert", stars: 3, comment: "I laughed, I cried, I spilled my popcorn!")
movie.reviews.create!(name: "Gene Siskel", stars: 5, comment: "I'm a better reviewer than he is.")
movie.reviews.create!(name: "Peter Travers", stars: 4, comment: "It's been years since a movie superhero was this fierce and this funny.")
movie = Movie.find_by(title: 'Superman')
movie.reviews.create!(name: "Elvis Mitchell", stars: 5, comment: "It's a bird, it's a plane, it's a blockbuster!")
Genre.create!(name: "Action")
Genre.create!(name: "Comedy")
Genre.create!(name: "Drama")
Genre.create!(name: "Romance")
Genre.create!(name: "Thriller")
Genre.create!(name: "Fantasy")
Genre.create!(name: "Documentary")
Genre.create!(name: "Adventure")
Genre.create!(name: "Animation")
Genre.create!(name: "Sci-Fi")
这是我的架构文件 [原文如此]:
ActiveRecord::Schema.define(version: 20181218222845) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
create_table "characterizations", force: :cascade do |t|
t.bigint "movie_id"
t.bigint "genre_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["genre_id"], name: "index_characterizations_on_genre_id"
t.index ["movie_id"], name: "index_characterizations_on_movie_id"
end
create_table "favorites", force: :cascade do |t|
t.bigint "movie_id"
t.bigint "user_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["movie_id"], name: "index_favorites_on_movie_id"
t.index ["user_id"], name: "index_favorites_on_user_id"
end
create_table "genres", force: :cascade do |t|
t.string "name"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "movies", force: :cascade do |t|
t.string "title"
t.string "rating"
t.decimal "total_gross"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.text "description"
t.date "released_on"
t.string "cast"
t.string "director"
t.string "duration"
t.string "image_file_name", default: ""
t.string "image_content_type"
t.integer "image_file_size"
t.datetime "image_updated_at"
t.string "main_image"
t.string "slug"
end
create_table "reviews", force: :cascade do |t|
t.integer "stars"
t.text "comment"
t.bigint "movie_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
t.index ["movie_id"], name: "index_reviews_on_movie_id"
end
create_table "users", force: :cascade do |t|
t.string "name"
t.string "email"
t.string "password_digest"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "username"
t.boolean "admin", default: false
end
add_foreign_key "characterizations", "genres"
add_foreign_key "characterizations", "movies"
add_foreign_key "favorites", "movies"
add_foreign_key "favorites", "users"
add_foreign_key "reviews", "movies"
end
解决方案
至少,您需要创建一个迁移并运行它以将name
字段添加到您的reviews
表中:
rails generate migration AddNameToReviews name:string
rails db:migrate
这应该可以解决您报告的错误。
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