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我只想查询具有最高喜欢的项目。将Sql查询转换为CodeIgniter活动记录
这是sql查询我想转换成CodeIgnitor的活动记录:
SELECT *, SUM(like) as totalLikes
FROM tbl_like
GROUP BY uploadID
ORDER BY totalLikes DESC
LIMIT 2
笨:
public function get_cheezyPic(){
$this->db->select('uploadID, SUM(like) as totalLikes');
$this->db->from('tbl_like');
$this->db->group_by('uploadID');
$this->db->order_by('totalLikes DESC');
$this->db->limit(2);
$query= $this->db->get();
return $query->result_array();}
但是当我尝试运行这段代码,我有这个错误
您的SQL语法错误;检查对应于你的MySQL服务器版本使用附近的正确语法手册“等)作为totalLikes FROM(
tbl_like
)GROUP BYuploadID
ORDER BYtotalLikes
”在行1
SELECT `uploadID`, SUM(like) as totalLikes FROM (`tbl_like`) GROUP BY `uploadID` ORDER BY `totalLikes` desc LIMIT 2
有什么不对的代码?
感谢您的帮助。
我已经得到了同样的错误,把假 – Jen143Me
@ Jen143Me IHAVE更新,你可以检查为'like'查询保留它需要被引用关键字 –
呀,,它现在的工作之后,但我怎么样我会显示总喜欢吗? – Jen143Me