Nextras\Orm\Mapper\BaseMapper::flush PHP Method

    public function flush()
    {
        $this->collectionCache = (object) null;
    }

 public function flush()
 {
     parent::flush();
     $this->cacheRM = [];
     $hash = spl_object_hash($this->connection);
     if (isset(self::$transactions[$hash])) {
         $this->connection->commitTransaction();
         unset(self::$transactions[$hash]);
     }
 }