suppression mode prepare emulated

src/Connection.php

@@ -84,6 +84,7 @@ class Connection
     {
         $this->getConnString();
         $this->pdo = new PDO($this->connstring, $this->user, $this->password);
+        $this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
         $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     }