Question

레일하지만 아래와 같은 오류를 반환합니다

ActiveRecord::StatementInvalid: PG::UndefinedTable: ERROR: relation "refinery_georgiantoast_restaurant_wines" does not exist 
LINE 5:    WHERE a.attrelid = '"refinery_georgiantoast_r... 
             ^
:    SELECT a.attname, format_type(a.atttypid, a.atttypmod), 
        pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod 
       FROM pg_attribute a LEFT JOIN pg_attrdef d 
        ON a.attrelid = d.adrelid AND a.attnum = d.adnum 
       WHERE a.attrelid = '"refinery_georgiantoast_restaurant_wines"'::regclass 
       AND a.attnum > 0 AND NOT a.attisdropped 
       ORDER BY a.attnum 

/공급 업체/확장/georgiantoasts/응용 프로그램/모델

module Refinery 
    module Georgiantoast 
    class Restaurant < Refinery::Core::BaseModel 

     validates :title, :presence => true, :uniqueness => true 

     belongs_to :avatars, :class_name => '::Refinery::Image' 

     has_many :restaurants_wines 

     has_many :wines, :through => :restaurants_wines 

     # To enable admin searching, add acts_as_indexed on searchable fields, for example: 
     # 
     # acts_as_indexed :fields => [:title] 

    end 
    end 
end 

: 여기

/refinery/georgiantoast/restaurant.rb 내 restaurant.rb 모델/vendor/extensions/georgiantoasts/app/models/refinery/georgiantoast/wine.rb 여기

내 wine.rb 모델 :

module Refinery 
    module Georgiantoast 
    class Wine < Refinery::Core::BaseModel 

     validates :title, :presence => true, :uniqueness => true 

     belongs_to :avatars, :class_name => '::Refinery::Image' 

     has_many :restaurants_wines 

     has_many :restaurants, :through => :restaurants_wines 

     # To enable admin searching, add acts_as_indexed on searchable fields, for example: 
     # 
     # acts_as_indexed :fields => [:title] 

    end 
    end 
end 

/공급 업체/확장/georgiantoasts/응용 프로그램/모델/정유/georgiantoast/restaurant_wines.rb 여기

내 테이블 모델을 restaurant_wines.rb 가입

여기 /vendor/extensions/georgiantoasts/app/controllers/refinery/georgiantoast/admin/restaurants_controller.rb

451,515,

module Refinery 
    module Georgiantoast 
    class RestaurantWine < Refinery::Core::BaseModel 

     belongs_to :wine 

     belongs_to :restaurant 

     # To enable admin searching, add acts_as_indexed on searchable fields, for example: 
     # 
     # acts_as_indexed :fields => [:title] 

    end 
    end 
end 

은 restaurants_controller.rb 컨트롤러 :

module Refinery 
    module Georgiantoast 
    module Admin 
     class RestaurantsController < ::Refinery::AdminController 

     crudify :'refinery/georgiantoast/restaurant' 

     private 

     # Only allow a trusted parameter "white list" through. 
     def restaurant_params 
      params.require(:restaurant).permit(:title, :description, :address, :town, :state, :lat, :lng, :avatars_id, :wine_ids => []) 
     end 
     end 
    end 
    end 
end 

/공급 업체/확장 프로그램/georgiantoasts/app/views/refinery/georgiantoast/admin/restaurants/_form.html.erb

class CreateJoinTableRestaurantsWines < ActiveRecord::Migration 
    def change 
    create_join_table :restaurants, :wines do |t| 
     t.index :restaurant_id 
     t.index :wine_id 
    end 
    end 
end 

내가 내 양식을 게시 할 때 테이블에 가입 호출의 조치를 수행하지 않은 : 여기

<%= form_for [refinery, :georgiantoast_admin, @restaurant] do |f| -%> 
    <%= render '/refinery/admin/error_messages', 
       :object => @restaurant, 
       :include_object_name => true %> 

    <div class='field'> 
     <%= f.label :title -%> 
     <%= f.text_field :title, :class => 'larger widest' -%> 
    </div> 

    <div class='field'> 
     <%= render '/refinery/admin/wysiwyg', 
       :f => f, 
       :fields => [:description], 
       :object => "georgiantoast/restaurant" -%> 
    </div> 

    <div class='field'> 
     <%= f.label :address -%> 
     <%= f.text_field :address -%> 
    </div> 

    <div class='field'> 
     <%= f.label :wine -%> 
     <%= select_tag "#{f.object_name}[wine_ids][]", options_for_select(Refinery::Georgiantoast::Wine.all.collect { |wine| [wine.title, wine.id] }), {multiple: true} -%> 
    </div> 


    <%= render '/refinery/admin/form_actions', :f => f, 
       :continue_editing => false, 
       :delete_title => t('delete', :scope => 'refinery.restaurants.admin.restaurants.restaurant'), 
       :delete_confirmation => t('message', :scope => 'refinery.admin.delete', :title => @restaurant.title) -%> 
<% end -%> 

마이그레이션 파일입니다

여기 형태 _form.html.erb 레스토랑 입니다 .

내가 rails console에 명령 아래 실행하려고하면이 오류가 아래 저를 반환

2.2.3 :001 > r = Refinery::Georgiantoast::Restaurant.first 
    Refinery::Georgiantoast::Restaurant Load (1.0ms) SELECT "refinery_georgiantoast_restaurants".* FROM "refinery_georgiantoast_restaurants" ORDER BY "refinery_georgiantoast_restaurants"."id" ASC LIMIT 1 
=> #<Refinery::Georgiantoast::Restaurant id: 1, title: "abc restaurant", description: "<p>abc restaurant</p>", address: "12 helifax estate", town: "helifax", state: "toronto", lat: #<BigDecimal:55fdfc0,'-0.12555555E2',18(27)>, lng: #<BigDecimal:55fde80,'0.74555555E2',18(27)>, avatars_id: 3, position: nil, created_at: "2016-08-27 11:26:29", updated_at: "2016-08-27 11:26:29"> 
2.2.3 :002 > r.wine_ids 
ActiveRecord::StatementInvalid: PG::UndefinedTable: ERROR: relation "refinery_georgiantoast_restaurant_wines" does not exist 
LINE 5:    WHERE a.attrelid = '"refinery_georgiantoast_r... 
             ^
:    SELECT a.attname, format_type(a.atttypid, a.atttypmod), 
        pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod 
       FROM pg_attribute a LEFT JOIN pg_attrdef d 
        ON a.attrelid = d.adrelid AND a.attnum = d.adnum 
       WHERE a.attrelid = '"refinery_georgiantoast_restaurant_wines"'::regclass 
       AND a.attnum > 0 AND NOT a.attisdropped 
       ORDER BY a.attnum 

    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql_adapter.rb:592:in `async_exec' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql_adapter.rb:592:in `block in exec_no_cache' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/abstract_adapter.rb:472:in `block in log' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/abstract_adapter.rb:466:in `log' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql_adapter.rb:592:in `exec_no_cache' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql_adapter.rb:584:in `execute_and_clear' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql/database_statements.rb:160:in `exec_query' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql_adapter.rb:733:in `column_definitions' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/postgresql/schema_statements.rb:197:in `columns' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/schema_cache.rb:43:in `columns' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/connection_adapters/schema_cache.rb:49:in `columns_hash' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/associations/association_scope.rb:85:in `column_for' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/associations/association_scope.rb:94:in `bind' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/associations/association_scope.rb:103:in `last_chain_scope' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activerecord-4.2.6/lib/active_record/associations/association_scope.rb:139:in `add_constraints' 
... 9 levels... 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/railties-4.2.6/lib/rails/commands/console.rb:9:in `start' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:68:in `console' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in `run_command!' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/railties-4.2.6/lib/rails/commands.rb:17:in `<top (required)>' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `block in require' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require' 
    from /home/muhammad/workspace/georgian-toast-wines/bin/rails:9:in `<top (required)>' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `load' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `block in load' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency' 
    from /home/muhammad/.rvm/gems/ruby-2.2.3@georgian-toast/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `load' 
    from /home/muhammad/.rvm/rubies/ruby-2.2.3/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require' 
    from /home/muhammad/.rvm/rubies/ruby-2.2.3/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require' 
    from -e:1:in `<main>' 

모든 마이그레이션을 실행하고있다, 더 마이그레이션 또는 종자가 너무중인되지 않습니다.

Answer 1

당신이

<%= f.collection_select :wine_ids, @wines, :id, :name, {}, {:multiple => true} %> 

는 컨트롤러에서 이것을 잊지 마세요보기 응용 프로그램/뷰/레스토랑/_form이 울부 짖는 소리를 사용할 수 있습니다 form_for 당신이

params.require(:restaurant).permit(:name, :wine_ids => []) 

Answer 2

당신은이 보인다 사용하는 경우 와인 및 레스토랑 수업에 오타가 있습니다.그 관계는 restaurants_wines이 아닌 restaurant_wines이어야합니다 (따라서 "와인"은 복수형이어야합니다).

아직 수행하지 않은 경우 wine_id 및 restaurant_id 열을 조인 테이블에 추가해야합니다. 그곳에 가면,