포인트 차감 질문.

$todate = date('Y-m-d');

            $sql = " select count(*) as cnt from {$g5['point_table']}

                        where mb_id = '$member['mb_id']'

                            and po_rel_table = 'day_point'

                            and po_rel_id = '$todate'

                            and po_rel_action = '차감' ";

            $row = sql_fetch($sql);

            if (!$row['cnt']) {

                $day_point = -50;

                insert_point($member['mb_id'], $day_point, $todate.' 차감', 'day_point', $todate, '차감');

            }