我想按ID降序排列這個查詢。如何訂購此查詢?
我得到的錯誤mysql_fetch_array() expects parameter 1
$checkquery = "SELECT COUNT(message), user, date_time FROM messages";
$collctmsg = mysql_query($checkquery, $db_connect);
$no_rows = mysql_fetch_row($collctmsg);
$numrows = $no_rows[0];
$rows_per_page = 5;
$lastpage = ceil($numrows/$rows_per_page);
$pageno = (int)$pageno;
if ($pageno > $lastpage) {
$pageno < $lastpage;
} // if
if ($pageno < 1) {
$pageno = 1;
} // if
$limit = 'LIMIT ' .($pageno - 1) * $rows_per_page .',' .$rows_per_page;
$messageshow = "SELECT message, user, date_time FROM messages {$limit}, ORDER BY id DESC";
$message_execution = mysql_query($messageshow, $db_connect);
我們展示實際的PHP代碼,而不是簡單地查詢 – 2012-03-17 08:48:49