Question

我在电子商务平台上工作。我有正常形式的查询。我想转换为codeigniter。

这是我的查询

SELECT products.product_name,products.product_id,products.short_description,pi.img,
CASE WHEN products.sp_price=0 THEN products.price WHEN products.sp_price!=0 THEN products.sp_price END as pprice FROM 
(`offers_products`) JOIN `products` ON `offers_products`.`product_id` = `products`.`product_id`  
LEFT JOIN (SELECT image_name as img,product_id as pid from product_images GROUP BY pid)pi 
ON `products`.`product_id` = `pi`.`pid` .

如何将此转换为codeigniter查询。

我试过了，但是语法错误了。请帮助我，我是codeigniter的新手。

Answer 1

无需转换您的查询。而且你也不应该只使用codeigniter查询。

你可以使用

$res = $this->db->query("your query here")->result();

$res将拥有您想要的result()。这对你有帮助。

有关详情，请查看here

Answer 2

只需使用

public function method_name()
{
    $query = $this->db->query("SELECT products.product_name,products.product_id,products.short_description,pi.img,    CASE WHEN products.sp_price=0 THEN products.price WHEN products.sp_price!=0 THEN products.sp_price END as pprice FROM     (`offers_products`) JOIN `products` ON `offers_products`.`product_id` = `products`.`product_id`     LEFT JOIN (SELECT image_name as img,product_id as pid from product_images GROUP BY pid)pi     ON `products`.`product_id` = `pi`.`pid`");
    $result = $query->result_array();
    return $result; 
}

我们将result_array用于传递数据作为目标数组

在codeigniter中转换查询

2 个答案: