# frozen_string_literal: true class RemoveUncategorizedParents < ActiveRecord::Migration[4.2] def up uncat = execute("SELECT value FROM site_settings WHERE name = 'uncategorized_category_id'") if uncat && uncat[0] && uncat[0]['value'] execute "UPDATE categories SET parent_category_id = NULL where id = #{uncat[0]['value'].to_i}" end end def down end end