vb.org Archive - [how-to] Cache some table

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Milad

02-03-2006 12:33 AM

[how-to] Cache some table

How to cache a table and insert it into datastore table or in datastor file?

like forumcache

thanks in advance

Nullifi3d

02-03-2006 01:22 AM

Are you asking how to store a table's fields in a php variable? as $vbulletin->userinfo stores the user table?

Milad

02-03-2006 01:27 AM

No
Something like $vbulletin->cacheforum

Nullifi3d

02-03-2006 01:34 AM

Sorry, I'm not quite sure what you're referring to. Maybe someone else will know.

Milad

02-03-2006 01:37 AM

$vbulletin->forumcache exactly

thank you

Nullifi3d

02-03-2006 01:48 AM

What do you want to cache? A mysql table (as you said in your first post) or a forum?

Milad

02-03-2006 01:50 AM

Now I'm working on a hack for vBulletin and I want to cache my categories to deal easily with them.

Of course categories are in new table

Nullifi3d

02-03-2006 02:06 AM

In that case you use php code like this:

PHP Code:


		
			
$tableinfo = $db->query_first("SELECT * FROM " . TABLE_PREFIX . "tablename WHERE userid = " . $_REQUEST['userid']);

You would change tablename to the name of the mysql table that is storing you hack's data. the * tells mysql to store (cache) each row in that table in the variable $tableinfo (which you can name this whatever you want). This way if you have a row/field named username that stores the usernames for everyone the username for $_REQUEST['userid'] would be called with $tablename['username'];
If you need anymore help let me know.

Milad

02-03-2006 02:11 AM

Dear
This isn't caching, caching makes you avoid this query, I think.

thank you

Nullifi3d

02-03-2006 02:19 AM

Ohh, well I don't know then, sorry.

Adrian Schneider

02-03-2006 02:27 AM

Query it, create a serialized version of the resultset, then insert that into a new datastore column.

Place the colum name in the $specialtemplates array in your script (and unserialize) and you won't have to query for it every time.

Milad

02-03-2006 02:41 AM

THank you
This is exactly what I want
But can you gice a php example?

Adrian Schneider

02-03-2006 03:17 AM

wrote this real quick

PHP Code:


		
			
// Preparing

$eggnog = $db->query_read("

    SELECT *

    FROM stuff

    ORDER BY stuffName ASC

");



$allNogs = array();

while ($nog = $db->fetch_array($eggnog))

{

    $allNogs[] = $nog;

}



$serialized = serialize($allNogs);



$db->query_write("

    UPDATE " . TABLE_PREFIX . "datastore

    SET data = '" . $db->escape_string($serialized) . "'

    WHERE title = 'nog'

");



// Usage



$specialtemplates = array(

    'nog'

);



require_once('./global.php');



//$vbulletin->nog now contains serialized array



$vbulletin->nog = unserialize($vbulletin->nog);

Milad

02-03-2006 06:10 AM

Thank you very much.

Quote:

Originally Posted by SirAdrian

PHP Code:


		
			
$db->query_write("

    UPDATE " . TABLE_PREFIX . "datastore

    SET data = '" . $db->escape_string($serialized) . "'

    WHERE title = 'nog'

");

I think we can use build_datastore instead of this query

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