You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20190225133654_add_ignored_users_table.rb
    path of file: ./repos/discourse/db/migrate
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class AddIgnoredUsersTable < ActiveRecord::Migration[5.2]
  def change
    create_table :ignored_users do |t|
      t.integer :user_id, null: fa
    
  def change
    create_table :ignored_users do |t|
      t.integer :user_id, null: false
      t.integer :ignored_user_id, null: false
      t.timestamps null: false
    end

    add_index :ignored_users, %i[user_id ignored_user_id], unique: true
    add_index :ignored_users, %i[ignored_user_id user_id], unique: true
  end