public function resetSelf()
    {
        $this->where = '';
        $this->select = '*';
        $this->limit = 20;
        $this->offset = 0;
        $this->orderBy = array();
        $this->groupBy = array();
        $this->prepend = '';
        $this->listWordsField = null;
        $this->alternativesField = null;
        $this->join = null;
    }