按时间查询

app/controllers/files_controller.rb

@@ -33,8 +33,8 @@ class FilesController < ApplicationController
                   'size' => "#{Attachment.table_name}.filesize",
                   'downloads' => "#{Attachment.table_name}.downloads"
    
-    @containers = [ Project.includes(:attachments).reorder("attachments.created_on DESC").find(@project.id)]     #modify by Long Jun
-    @containers += @project.versions.includes(:attachments).reorder("created_on DESC").all.sort
+    @containers = [ Project.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@project.id)]     #modify by Long Jun
+    @containers += @project.versions.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").all.sort
    
     if @project.project_type == 1
       render :layout => 'base_courses'