2 files changed, 7 insertions, 9 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index d1581bf1a..be61aab20 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -49,12 +49,6 @@ class CI_DB_mysqli_driver extends CI_DB {
 	protected $_like_escape_str = '';
 	protected $_like_escape_chr = '\\';
 
-	/**
-	 * The syntax to count rows is slightly different across different
-	 * database engines, so this string appears in each driver and is
-	 * used for the count_all() and count_all_results() functions.
-	 */
-	protected $_count_string = 'SELECT COUNT(*) AS ';
 	protected $_random_keyword = ' RAND()'; // database specific random keyword
 
 	/**
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index 9b4d494d4..c1ec4da76 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -33,6 +33,7 @@
  * @category	Database
  * @author		EllisLab Dev Team
  * @link		http://codeigniter.com/user_guide/database/
+ * @since	1.3
  */
 class CI_DB_mysqli_result extends CI_DB_result {
 
@@ -43,7 +44,9 @@ class CI_DB_mysqli_result extends CI_DB_result {
 	 */
 	public function num_rows()
 	{
-		return $this->result_id->num_rows;
+		return is_int($this->num_rows)
+			? $this->num_rows
+			: $this->num_rows = $this->result_id->num_rows;
 	}
 
 	// --------------------------------------------------------------------
@@ -157,11 +160,12 @@ class CI_DB_mysqli_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an object
 	 *
+	 * @param	string
 	 * @return	object
 	 */
-	protected function _fetch_object()
+	protected function _fetch_object($class_name = 'stdClass')
 	{
-		return $this->result_id->fetch_object();
+		return $this->result_id->fetch_object($class_name);
 	}
 
 }