MySQL 求更正一段创建函数的语法

Question

#创建现值计算函数
set global log_bin_trust_function_creators=1;
delimiter//
DROP FUNCTION if exists PV;
CREATE FUNCTION PV(PV0 float,g1 float,g2 float,i float,n int)
RETURNS float
BEGIN
  declare SPV float default 0;
    declare SPV1 float default 0;
    declare SPV2 float default 0;
    declare PVt float default 0;
    declare t int;
    set t = 1;
    set SPV2 = PV0*power(1+g1,n)*(1+g2)/((i-g2)*power(1+i,n);
  while t<=n do
         set PVt = PV0*power(1+g1,t)/power(1+i,t);
         set SPV1 = SPV1 + PVt;
         set t = t+1; 
    end while;     
    set SPV = SPV1+SPV2;         
    RETURN SPV;
END//
delimiter;

初学，期待各位码神帮看看，修改一下，谢谢！

Answer 1

33行后面少了一个右括号）