select SUM(ct_qty)
from yc_cart
where it_id = '1168576657'
and ct_stock_use = 0
/*
// 재고 오류로 인한 수정
and ct_status = '주문'
*/
and ct_status in ('주문', '준비')
1270 : Illegal mix of collations (utf8_general_ci,IMPLICIT), (euckr_korean_ci,COERCIBLE), (euckr_korean_ci,COERCIBLE) for operation ' IN '
