class CreateForumThreadLinks < ActiveRecord::Migration[4.2] def change create_table :forum_thread_links do |t| t.integer :forum_thread_id, null: false t.integer :post_id, null: false t.integer :user_id, null: false t.string :url, limit: 500, null: false t.string :domain, limit: 100, null: false t.boolean :internal, null: false, default: false t.integer :link_forum_thread_id, null: true t.timestamps null: false end add_index :forum_thread_links, :forum_thread_id end end