Некорректно работает запрос MySQL - AdsManager

$database->setQuery( " SELECT a.`ad_reg`, a.`ad_staff`,COUNT(a.`ad_reg`) AS num, COUNT(a.`ad_staff`) AS num1, c.`parent` ".
                         " FROM #__adsmanager_ads AS a ".   
                         " LEFT JOIN #__adsmanager_categories AS c ON c.`parent` = $catid AND a.`category` = c.`id` ".   
                         " WHERE a.`published` = 1 AND a.`ad_reg` != ' ' OR a.`ad_staff` != ' ' GROUP BY a.`ad_reg`, a.`ad_staff` ORDER BY a.`ad_reg`, a.`ad_staff` ");

$database->setQuery( " SELECT a.`ad_reg`, a.`ad_staff`, a.`ad_region`, COUNT(a.`ad_reg`) AS num, COUNT(a.`ad_staff`) AS num1, COUNT(a.`ad_region`) AS num2, c.`parent` ".
                         " FROM #__adsmanager_ads AS a ".   
                         " LEFT JOIN #__adsmanager_categories AS c ON c.`parent` = $catid AND a.`category` = c.`id` ".   
                         " WHERE a.`published` = 1 AND a.`ad_reg` != ' ' OR a.`ad_staff` != ' ' OR a.`ad_region` !=' ' GROUP BY a.`ad_reg`, a.`ad_staff`, a.`ad_region` ORDER BY a.`ad_reg`, a.`ad_staff`, a.`ad_region` ");