class CreateAccountWarnings < ActiveRecord::Migration[5.2] def change create_table :account_warnings do |t| t.belongs_to :account, foreign_key: { on_delete: :nullify } t.belongs_to :target_account, foreign_key: { to_table: 'accounts', on_delete: :cascade } t.integer :action, null: false, default: 0 t.text :text, null: false, default: '' t.timestamps end end end