PDO有问题

@@ -380,7 +380,7 @@ abstract class Q_Db_Adapter_Pdo_Abstract
             // set the PDO connection to perform case-folding on array keys, or not
             $_connection->setAttribute(PDO::ATTR_CASE, $this->_caseFolding);
             // always use exceptions.
-            $_connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+           // $_connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
             // 判断环境设置是否开启预处理
             if (version_compare(phpversion(), '5.3.6', '<') == true) {