2
好吧,我遇到了一個非常奇怪的PDOException,我似乎無法控制我的腦袋。下面是生成的異常:PDOException:SQLSTATE [IMSSP]:嘗試綁定參數號65536. SQL Server最多支持2100個參數
PDOException: SQLSTATE[IMSSP]: Tried to bind parameter number 65536. SQL Server supports a maximum of 2100 parameters. in D:\Work\CEUR16-004\Project\www_root\includes\scripts\php\libCore\products.php:169
Stack trace:
#0 D:\Work\CEUR16-004\Project\www_root\includes\scripts\php\libCore\products.php(169): PDOStatement->execute()
#1 D:\Work\CEUR16-004\Project\www_root\includes\pages\products\products.php(5): ProductCore->build_product_list()
#2 D:\Work\CEUR16-004\Project\www_root\index.php(27): include('D:\\Work\\CEUR16-...')
#3 {main}
,這裏是它指的是代碼:現在
public function build_product_list()
{
// This function builds the product list visible on the main site (guests only)
try
{
if($this->product_type_id == "999")
{
$query = 'SELECT sp.product_id, sp.product_name, sp.product_price, pt.product_type_name FROM shop_products AS sp LEFT JOIN product_types AS pt ON sp.product_type_id = pt.product_type_id ORDER BY sp.product_type_id ASC'; // Line 161
}
else
{
$query = 'SELECT sp.product_id, sp.product_name, sp.product_price, pt.product_type_name FROM shop_products AS sp LEFT JOIN product_types AS pt ON sp.product_type_id = pt.product_type_id WHERE sp.product_type_id = :product_type_id ORDER BY sp.product_id ASC';
}
$stmt = $this->dbcore_prod_core->dbc->prepare($query);
$stmt->bindParam(':product_type_id', $this->product_type_id, PDO::PARAM_INT);
$stmt->execute(); // Line 169
// Function continues below...
,當$this->product_type_id
等於999
運行於線161查詢(只產生此異常在上面的代碼中註釋)。我直接在服務器上運行查詢,並返回預期的結果,那麼爲什麼PDO會引發異常?