follow @okriuchykhin 's suggestions

app/models/repository_list_item.rb

@@ -1,6 +1,5 @@
 class RepositoryListItem < ApplicationRecord
-  has_many :repository_list_values,
-           foreign_key: 'selected_item_id'
+  has_many :repository_list_values, inverse_of: :repository_list_item
   belongs_to :repository, inverse_of: :repository_list_items
   belongs_to :created_by,
              foreign_key: :created_by_id,
@@ -8,7 +7,7 @@ class RepositoryListItem < ApplicationRecord
   belongs_to :last_modified_by,
              foreign_key: :last_modified_by_id,
              class_name: 'User'
-  validates :name,
+  validates :data,
             presence: true,
             uniqueness: { scope: :repository, case_sensitive: false },
             length: { maximum: Constants::TEXT_MAX_LENGTH }

app/models/repository_list_value.rb

@@ -1,7 +1,5 @@
 class RepositoryListValue < ApplicationRecord
-  belongs_to :selected_item,
-             foreign_key: :selected_item_id,
-             class_name: 'RepositoryListItem',
+  belongs_to :repository_list_item,
              optional: true
   belongs_to :created_by,
              foreign_key: :created_by_id,
@@ -15,7 +13,7 @@ class RepositoryListValue < ApplicationRecord
   validates :repository_cell, presence: true
 
   def formatted
-    return '' unless selected_item
-    selected_item.name
+    return '' unless repository_list_item
+    repository_list_item.data
   end
 end

db/migrate/20180207095200_create_repository_list_values.rb

@@ -2,7 +2,7 @@ class CreateRepositoryListValues < ActiveRecord::Migration[5.1]
   def change
     create_table :repository_list_items do |t|
       t.references :repository, foreign_key: true
-      t.text :name, index: true, using: :gin, null: false
+      t.text :data, index: true, using: :gin, null: false
       t.references :created_by,
                    index: true,
                    foreign_key: { to_table: :users }
@@ -13,9 +13,7 @@ class CreateRepositoryListValues < ActiveRecord::Migration[5.1]
     end
 
     create_table :repository_list_values do |t|
-      t.references :selected_item,
-                   index: true,
-                   foreign_key: { to_table: :repository_list_items }
+      t.references :repository_list_item, index: true
       t.references :created_by,
                    index: true,
                    foreign_key: { to_table: :users }

db/schema.rb

@@ -396,26 +396,26 @@ ActiveRecord::Schema.define(version: 20180207095200) do
 
   create_table "repository_list_items", force: :cascade do |t|
     t.bigint "repository_id"
-    t.text "name", null: false
+    t.text "data", null: false
     t.bigint "created_by_id"
     t.bigint "last_modified_by_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["created_by_id"], name: "index_repository_list_items_on_created_by_id"
+    t.index ["data"], name: "index_repository_list_items_on_data"
     t.index ["last_modified_by_id"], name: "index_repository_list_items_on_last_modified_by_id"
-    t.index ["name"], name: "index_repository_list_items_on_name"
     t.index ["repository_id"], name: "index_repository_list_items_on_repository_id"
   end
 
   create_table "repository_list_values", force: :cascade do |t|
-    t.bigint "selected_item_id"
+    t.bigint "repository_list_item_id"
     t.bigint "created_by_id"
     t.bigint "last_modified_by_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["created_by_id"], name: "index_repository_list_values_on_created_by_id"
     t.index ["last_modified_by_id"], name: "index_repository_list_values_on_last_modified_by_id"
-    t.index ["selected_item_id"], name: "index_repository_list_values_on_selected_item_id"
+    t.index ["repository_list_item_id"], name: "index_repository_list_values_on_repository_list_item_id"
   end
 
   create_table "repository_rows", id: :serial, force: :cascade do |t|
@@ -881,7 +881,6 @@ ActiveRecord::Schema.define(version: 20180207095200) do
   add_foreign_key "repository_list_items", "repositories"
   add_foreign_key "repository_list_items", "users", column: "created_by_id"
   add_foreign_key "repository_list_items", "users", column: "last_modified_by_id"
-  add_foreign_key "repository_list_values", "repository_list_items", column: "selected_item_id"
   add_foreign_key "repository_list_values", "users", column: "created_by_id"
   add_foreign_key "repository_list_values", "users", column: "last_modified_by_id"
   add_foreign_key "repository_rows", "users", column: "created_by_id"

spec/factories/repository_list_items.rb

@@ -1,6 +1,6 @@
 FactoryBot.define do
   factory :repository_list_item do
-    name ''
+    data ''
     repository { Repository.first || create(:repository) }
     created_by { User.first || association(:project_user) }
     last_modified_by { User.first || association(:project_user) }

spec/models/repository_list_item_spec.rb

@@ -6,8 +6,10 @@ RSpec.describe RepositoryListItem, type: :model do
   end
 
   describe 'Database table' do
-    it { should have_db_column :name }
+    it { should have_db_column :data }
     it { should have_db_column :repository_id }
+    it { should have_db_column :created_by_id }
+    it { should have_db_column :last_modified_by_id }
   end
 
   describe 'Relations' do
@@ -16,32 +18,32 @@ RSpec.describe RepositoryListItem, type: :model do
   end
 
   describe 'Validations' do
-    it { should validate_presence_of(:name) }
+    it { should validate_presence_of(:data) }
     it do
-      should validate_length_of(:name).is_at_most(Constants::TEXT_MAX_LENGTH)
+      should validate_length_of(:data).is_at_most(Constants::TEXT_MAX_LENGTH)
     end
 
-    context 'has a uniq name scoped on repository' do
+    context 'has a uniq data scoped on repository' do
       let!(:user) { create :user }
       let!(:repository_one) { create :repository }
       let!(:repository_two) { create :repository, name: 'New repo' }
       let!(:repository_list_item) do
-        create :repository_list_item, name: 'Test', repository: repository_one
+        create :repository_list_item, data: 'Test', repository: repository_one
       end
 
       it 'creates a repository list item in same repository' do
         new_item = build :repository_list_item,
-                         name: 'Test',
+                         data: 'Test',
                          repository: repository_one
         expect(new_item).to_not be_valid
         expect(
           new_item.errors.full_messages.first
-        ).to eq 'Name has already been taken'
+        ).to eq 'Data has already been taken'
       end
 
       it 'create a repository list item in other repository' do
         new_item = build :repository_list_item,
-                         name: 'Test',
+                         data: 'Test',
                          repository: repository_two
         expect(new_item).to be_valid
       end

spec/models/repository_list_value_spec.rb

@@ -8,13 +8,13 @@ RSpec.describe RepositoryListValue, type: :model do
   describe 'Database table' do
     it { should have_db_column :created_by_id }
     it { should have_db_column :last_modified_by_id }
-    it { should have_db_column :selected_item_id }
+    it { should have_db_column :repository_list_item_id }
   end
 
   describe 'Relations' do
     it { should belong_to(:created_by).class_name('User') }
     it { should belong_to(:last_modified_by).class_name('User') }
-    it { should belong_to(:selected_item).class_name('RepositoryListItem') }
+    it { should belong_to(:repository_list_item) }
     it { should accept_nested_attributes_for(:repository_cell) }
   end
 
@@ -31,11 +31,11 @@ RSpec.describe RepositoryListValue, type: :model do
       }
     end
 
-    it 'returns the name of a selected item' do
+    it 'returns the data of a selected item' do
       list_item = create :repository_list_item,
-                         name: 'my item',
+                         data: 'my item',
                          repository: repository
-      repository_list_value.selected_item = list_item
+      repository_list_value.repository_list_item = list_item
       repository_list_value.save
       expect(repository_list_value.reload.formatted).to eq 'my item'
     end
@@ -48,22 +48,22 @@ RSpec.describe RepositoryListValue, type: :model do
           repository_row: repository_row_two
         }
       list_item = create :repository_list_item,
-                         name: 'new item',
+                         data: 'new item',
                          repository: repository
-      repository_list_value.selected_item = list_item
+      repository_list_value.repository_list_item = list_item
       expect(repository_list_value.reload.formatted).to_not eq 'my item'
       expect(repository_list_value.formatted).to eq ''
     end
 
     it 'returns an empty string if no item selected' do
       list_item = create :repository_list_item,
-                         name: 'my item',
+                         data: 'my item',
                          repository: repository
       expect(repository_list_value.reload.formatted).to eq ''
     end
 
     it 'returns an empty string if item does not exists' do
-      repository_list_value.selected_item = nil
+      repository_list_value.repository_list_item = nil
       expect(repository_list_value.reload.formatted).to eq ''
     end
   end