我试图在
MySQL语句中检查2个空变量,但我似乎可以得到相当正确的语法.这是我现在所在,它不断给我一个错误.任何人都可以告诉我如何正确地做到这一点?
SELECT threads,userid,username,usergroupid FROM " . TABLE_PREFIX . "user WHERE " . iif(!empty($exuserids),"AND userid NOT IN ($exuserids)") . " " . iif(!empty($exgroups),"AND usergroupid NOT IN ($exgroups)") . " ORDER BY threads DESC LIMIT 1