# -*coding:utf-8 -*- class ChangeBoardsName < ActiveRecord::Migration def up boards = Board.where("project_id <> -1 and name like '%课程讨论区%'") boards.each do |board| board.name = "项目讨论区" board.description = "项目讨论区" board.save(:validate => false) end end def down boards = Board.where("project_id <> -1 and name like '%项目讨论区%'") boards.each do |board| board.name = " 课程讨论区" board.description = " 课程讨论区" board.save(:validate => false) end end end