# frozen_string_literal: true class RemoveRailsAdminHistories < ActiveRecord::Migration[5.1] def up drop_table :rails_admin_histories end def down create_table :rails_admin_histories do |t| t.text :message t.string :username t.integer :item t.string :table t.integer :month, limit: 2 t.integer :year, limit: 8 t.datetime :created_at, null: false t.datetime :updated_at, null: false end add_index :rails_admin_histories, %i[item table month year], name: :index_rails_admin_histories, length: {table: 188} end end