修复部分课程作业进入作业列表报错的BUG

db/migrate/20141009010934_update_bids_proportion.rb

@@ -0,0 +1,12 @@
+class UpdateBidsProportion < ActiveRecord::Migration
+  def up
+    Bid.where("proportion is null").each do |bid|
+      bid.proportion = 60
+      bid.save
+    end
+  end
+
+  def down
+
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140916005319) do
+ActiveRecord::Schema.define(:version => 20141009010934) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -350,6 +350,7 @@ ActiveRecord::Schema.define(:version => 20140916005319) do
     t.integer  "rgt"
     t.integer  "is_public",       :limit => 1, :default => 1
     t.integer  "inherit_members", :limit => 1, :default => 1
+    t.integer  "open_student",                 :default => 0
   end
 
   create_table "custom_fields", :force => true do |t|
@@ -437,9 +438,9 @@ ActiveRecord::Schema.define(:version => 20140916005319) do
     t.string   "web_title"
     t.string   "title"
     t.text     "description"
+    t.string   "page_type"
     t.datetime "created_at",                    :null => false
     t.datetime "updated_at",                    :null => false
-    t.string   "page_type"
     t.integer  "sort_type"
     t.integer  "image_width",  :default => 107
     t.integer  "image_height", :default => 63
@@ -879,7 +880,7 @@ ActiveRecord::Schema.define(:version => 20140916005319) do
     t.integer  "osp_id"
     t.integer  "parent_id"
     t.string   "subject",                                                   :null => false
-    t.text     "content",                               :null => false
+    t.text     "content",            :limit => 16777215,                    :null => false
     t.integer  "author_id"
     t.integer  "replies_count",                          :default => 0
     t.integer  "last_reply_id"