rake db:migrate

app/controllers/homework_attach_controller.rb

@@ -156,6 +156,7 @@ class HomeworkAttachController < ApplicationController
   #获取可选成员列表
   #homework：作业
   #users：该作业所有成员
+  #q:模糊匹配的用户的昵称
   def members_for_homework homework,users,q
     homework.bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and user_id not in (:users)", {:role_id => [5, 10],:users => users}).joins(:user).where("users.login like '%#{q}%'")
   end

db/schema.rb

@@ -924,13 +924,11 @@ ActiveRecord::Schema.define(:version => 20140609061903) do
   add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
 
   create_table "user_scores", :force => true do |t|
-    t.integer  "user_id",       :null => false
+    t.integer "user_id"
     t.integer "collaboration"
     t.integer "influence"
     t.integer "skill"
-    t.integer  "active"
+    t.integer "activity"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
   end
 
   create_table "user_statuses", :force => true do |t|