diff --git a/classes/Model.class.php b/classes/Model.class.php
index 08a9583..14f4313 100644
--- a/classes/Model.class.php
+++ b/classes/Model.class.php
@@ -120,6 +120,21 @@ abstract class Model
                                 ORDER BY '.$this->primary_key.' '.($sort == 'ASC' ? 'ASC' : 'DESC')
                                 .($limit !== false ? ' LIMIT '.(int) $limit : ''))->fetchAll();
     }
+
+    function setAutocommit($set)
+    {
+        return mysqli_autocommit($this->handler, (bool) $set);
+    }
+
+    function commit()
+    {
+        return mysqli_commit($this->handler);
+    }
+
+    function rollback()
+    {
+        return mysqli_rollback($this->handler);
+    }
 }
 
 class ModelResult