我需要获得发送消息数的用户。无法通过while循环在sql中获取计数值?
$userlist = mysql_query("select count(distinct m.subject) as msgcnt, u.name from message as m, message_users as mu, users as u where m.owner_id = u.id and m.id=mu.msg_id and mu.user_id='$u_id'group by name") or mysql_error();
while($row=mysql_fetch_array($userlist))
{
echo $row['name']."<br />";
}
如何通过while循环利用得到的计数值..
$用户列表=请求mysql_query(“SELECT COUNT(DISTINCT m.subject)作为msgcnt,u.name从消息为m,message_users为μ,用户为u,其中m.owner_id = u.id和m.id = mu.msg_id和mu.user_id ='$ u_id'group by name“)或mysql_error(); 查询问题可能会给空间mu.user_id ='$ _ id'组 – 2013-03-04 06:34:41