ruby-on-rails - 为什么ActiveRecord::StatementInvalid:SQLite3::SQLException:在“)附近:语法错误:INSERT INTO“user_friendships”()VALUES()

Question

为什么为什么ActiveRecord :: StatementInvalid：SQLite3 :: SQLException：在“）”附近：语法错误：INSERT INTO“ user_friendships”（）VALUES（）

尝试测试时：

$ ruby​​-我测试test / unit / user_friendships_test.rb

require 'test_helper'

class UserFriendshipsTest < ActiveSupport::TestCase
should belong_to (:user)
should belong_to (:friend)

test "that creating a frinedship works without raising an exception" do

    assert_nothing_raised do
        UserFriendship.create user: users(:a), friend: friends(:b)
    end

end

end

任何想法？

更新：他是Schema.rb的一部分

create_table "user_friendships", :force => true do |t|
 t.integer  "user_id"
 t.integer  "friend_id"
 t.datetime "created_at", :null => false
 t.datetime "updated_at", :null => false
end

add_index "user_friendships", ["user_id", "friend_id"], :name => "index_user_friendships_on_user_id_and_friend_id"

create_table "users", :force => true do |t|
 t.string   "first_name"
 t.string   "last_name"
 t.string   "profile_name"
 t.string   "email",                  :default => "", :null => false
 t.string   "encrypted_password",     :default => "", :null => false
 t.string   "reset_password_token"
 t.datetime "reset_password_sent_at"
 t.datetime "remember_created_at"
 t.integer  "sign_in_count",          :default => 0,  :null => false
 t.datetime "current_sign_in_at"
 t.datetime "last_sign_in_at"
 t.string   "current_sign_in_ip"
 t.string   "last_sign_in_ip"
 t.datetime "created_at",                             :null => false
 t.datetime "updated_at",                             :null => false
end

add_index "users", ["email"], :name => "index_users_on_email", :unique => true
add_index "users", ["reset_password_token"], :name => "index_users_on_reset_password_token", :unique => true

end

Answer 1

我也遇到了这个问题。它似乎与搞乱rails命名约定有关。就我而言，执行“ rails g model activity_item”而不是“ rails g model activity_items”解决了该问题。