Description:
------------
give me following error message:
Warning: mysqli_prepare() [function.mysqli-prepare]: Error (00000/1047): Unknown command in /shine/htdocs/test.php on line 16

Reproduce code:
---------------
$mysqli = new mysqli("localhost", "root", "root", "hotel");
if (mysqli_connect_errno()) {
   printf("Connect failed: %s\n", mysqli_connect_error());
   exit();
}
	
if ($stmt = $mysqli->prepare($link, "SELECT id, name FROM program")) {
   $stmt->execute();

   $stmt->bind_result($col1, $col2);

   while ($stmt->fetch()) {
      printf("%i %s\n", $col1, $col2);
   }

   $stmt->close();
} else {
   print "stmt failed<br/>";
}