Re: faster agenda with properties support disabled (no org-refresh-properties)

[Daniel Clemente <n142857@gmail.com>]

>>  So I would like to ask: is there a clean way to disable calls to
>> org-refresh-properties?
>
> No, that would require a patch and a config variable.
>
> - Carsten
>

  I send a patch to do this. Setting this new variable to t reduced 10
seconds my agenda export time (down from 1 minute 6 seconds) as well
as the update.
  You may add a comment about what to expect if your agenda depends on
property data.


diff --git a/lisp/org.el b/lisp/org.el
index 572b797..167e7a8 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -17656,6 +17656,14 @@ is not set, the tables are not re-aligned, etc."
   :version "24.3"
   :group 'org-agenda)

+(defcustom org-agenda-ignore-properties nil
+  "Avoid updating text properties when building the agenda.
+Properties are used for effort estimation, appointments, categories.
+If you don't use these in the agenda, set it to t and it will be faster."
+  :type 'boolean
+  :version "24.3"
+  :group 'org-agenda)
+
 (defun org-duration-string-to-minutes (s &optional output-to-string)
   "Convert a duration string S to minutes.

@@ -18017,9 +18025,11 @@ When a buffer is unmodified, it is just
killed.  When modified, it is saved
 		;; this is only run for setting agenda tags from setup
 		;; file
 		(org-set-regexps-and-options)))
-	    (org-refresh-category-properties)
-	    (org-refresh-properties org-effort-property 'org-effort)
-	    (org-refresh-properties "APPT_WARNTIME" 'org-appt-warntime)
+	    (unless org-agenda-ignore-properties
+	      (org-refresh-category-properties)
+	      (org-refresh-properties org-effort-property 'org-effort)
+	      (org-refresh-properties "APPT_WARNTIME" 'org-appt-warntime)
+	    )
 	    (setq org-todo-keywords-for-agenda
 		  (append org-todo-keywords-for-agenda org-todo-keywords-1))
 	    (setq org-done-keywords-for-agenda