class RenameDatabaseColumn < ActiveRecord::Migration def change rename_column :events,:subcategory,:subcategory_id end end
有没有办法格式化我的
rails g migration ~rename_column_events_subcategory_subcategory_id~
或类似的东西来自动生成该文件？
Refer Source Code.汽车发电机只有“to”,“from”,“add”,“remove”,“join_table”,“create”
