Change DB_result::num_rows default value to NULL
diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php
index 946b365..b91e76f 100644
--- a/system/database/drivers/sqlite3/sqlite3_result.php
+++ b/system/database/drivers/sqlite3/sqlite3_result.php
@@ -33,12 +33,10 @@
* @category Database
* @author Andrey Andreev
* @link http://codeigniter.com/user_guide/database/
+ * @since 3.0
*/
class CI_DB_sqlite3_result extends CI_DB_result {
- // Overwriting the parent here, so we have a way to know if it's already set
- public $num_rows;
-
// num_fields() might be called multiple times, so we'll use this one to cache it's result
protected $_num_fields;