[dokuwiki] Remove a page from the cache
- From: lilive <lilivve@xxxxxxxx>
- To: dokuwiki@xxxxxxxxxxxxx
- Date: Mon, 23 Nov 2009 21:50:16 +0100
Hi,
First, thanks a lot for this great tool and to share this big work :)
And sorry for my english, I'm just a french...
To be short, my question is :
Is it a way to purge the cache for a given page, from the handle method
of a syntax plugin ?
(the page to remove from the cache is not the page for which the handle
method is called)
To be long, here's some details :
I'm working on a wiki (dokuwiki one, of course) for actionscript
developpers.
It's my first php experience, and the whole dokuwiki program is a little
bit complicated for me to understand.
I made a custom version of the data plugin. For example, you can see it
in action here :
http://wikibis.mediabox.fr/tutoriaux/flash/programmation/generalites
(This is a devel state, the wiki isn't fully functionnal, and must not
be use yet)
As you can see, I use data plugin to make nice summaries.
It work like this :
Each content page has a "category" key. This key can have multiples
values. Each value is like a namespace.
For example :
---- dataentry ----
category : animal:cat, hunter:mouse
----
Then, this page is visible in 2 summaries pages. A summary page
"animal:cat", which presents all the pages about cats :
---- datatable ----
filter : category=animal:cat
...
----
and a summary, at "hunter:mouse", which presents all the pages about
mouses hunters :
---- datatable ----
filter : category=hunter:mouse
...
----
My problem is that the SQL data base is quite big. A single request, for
datatable generation, takes more than 6 seconds.
I don't want users to wait so much each time they want to display a
summary.
The datatable render method specify :
$renderer->info['cache'] = false;
Of course, because changes may occurs in the database since the last
render operation.
I would like to remove this line.
I think it could be a good idea that a page with a datatable stay in the
cache, until a corresponding dataentry changes.
For example, the "animal:cat" page may stay in the cache, until a
dataentry with a
category : animal:cat
was created or deleted.
That's why I'm looking for a way to remove a page from the cache, in the
handle method of the dataentry class.
I hope I'm clear enougth :)
Thank you to read me, and perhaps to answer me,
Olivier Tarasse.
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