#+COLUMNS: %50ITEM %5Effort(Sum){:}
#+BEGIN_SRC emacs-lisp
(setq load-path (cons "~/.emacs.d/plugins/org-mode/lisp" load-path))
(require 'org-install)
(require 'org-inlinetask)
(require 'org)
(load "~/.emacs.d/plugins/org-mode/lisp/org.el")
#+END_SRC

#+results:
: t

(emacs-version) = "GNU Emacs 23.4.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.9)
 of 2012-02-01 on shirley.hoetzel.info"

(org-version) = "Org-mode version 7.8.03 (release_7.8.03.576.gbeb02)"

* Introduction

** test sums
   :PROPERTIES:
   :Effort:   0:30
   :END:

#+BEGIN: columnview :hlines 5 :id global
| ITEM                                        |  Sum |
|---------------------------------------------+------|
| * Introduction                              | 5:30 |
|---------------------------------------------+------|
| ** test sums                                | 0:30 |
|---------------------------------------------+------|
| ** Getting warmed up                        | 5:00 |
|---------------------------------------------+------|
| *** Nitty gritty                            | 5:00 |
| *************** TODO Do something fantastic | 5:00 |
| *************** END                         |      |
|---------------------------------------------+------|
| **** This is not added                      | 0:10 |
| *************** TODO Do something else      | 0:10 |
| *************** END                         |      |
#+END:

** Getting warmed up
*** Nitty gritty
*************** TODO Do something fantastic
:PROPERTIES:
:Effort: 5:00
:END:
*************** END

**** This is not added

*************** TODO Do something else
:PROPERTIES:
:Effort: 0:10
:END:
*************** END