private function reset()
    {
        $this->tableName = null;
        $this->select = '*';
        $this->filter = null;
        $this->orderby = null;
        $this->skip = 0;
        $this->groupby = null;
        $this->having = null;
        $this->top = null;
        $this->distinct = null;

        $this->recordID = null;

        $this->postFields = null;
    }