vb.org Archive - Best way to retrieve the number of users with a specific secondary usergroup?

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- - Best way to retrieve the number of users with a specific secondary usergroup? (https://vborg.vbsupport.ru/showthread.php?t=154491)

Attilitus

08-06-2007 06:18 PM

Best way to retrieve the number of users with a specific secondary usergroup?

Is there any easy way to retrieve the amount of users who have a specific secondary usergroup? I need to be able to quickly retrieve a count, and want to know the most load-friendly way of doing it. (Without looping through the resultset to check if the groupid is in the array of membergroupids.)

Edit: for other people's reference here is how vbulletin does it:

(I guess I'm all set.)

Code:

        // count secondary users

        $groupcounts = $db->query_read("

                SELECT membergroupids, usergroupid

                FROM " . TABLE_PREFIX . "user

                WHERE membergroupids <> ''

        ");

        while ($groupcount = $db->fetch_array($groupcounts))

        {

                $ids = fetch_membergroupids_array($groupcount, false);

                foreach ($ids AS $index => $value)

                {

                        if ($groupcount['usergroupid'] != $value AND !empty($vbulletin->usergroupcache["$value"]))

                        {

                                $vbulletin->usergroupcache["$value"]['secondarycount']++;

                        }

                }

        }

Marco van Herwaarden

08-07-2007 06:19 AM

If you just want to have the count for a specific secondary usergroup, the following query (untested!) should also work:

[sql]SELECT COUNT(*) FROM user WHERE FIND_IN_SET(GROUPID, membergroupids);[/sql]Replace GROUPID with the group you are searching for.

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