修改部分项目讨论区描述仍为课程讨论区的描述

db/migrate/20140801034242_change_boards_name.rb

@@ -0,0 +1,20 @@
+# -*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