MysqliDb::having PHP Method

    public function having($havingProp, $havingValue = 'DBNULL', $operator = '=', $cond = 'AND')
    {
        // forkaround for an old operation api
        if (is_array($havingValue) && ($key = key($havingValue)) != "0") {
            $operator = $key;
            $havingValue = $havingValue[$key];
        }
        if (count($this->_having) == 0) {
            $cond = '';
        }
        $this->_having[] = array($cond, $havingProp, $operator, $havingValue);
        return $this;
    }