class AddReferenceToSecurityPrices < ActiveRecord::Migration[7.2] def change add_reference :security_prices, :security, foreign_key: true, type: :uuid reversible do |dir| dir.up do Security::Price.find_each do |sp| security = Security.find_by(ticker: sp.ticker) sp.update_column(:security_id, security&.id) end end end end end