oracle – ORA 06533：下标超出计数

ORA 06533:Subscript beyond count

错误.

有人可以告诉我在下面的代码中我缺少什么.

declare
  type salaryvarray is varray(6) of customers.salary%type;
  salary_array salaryvarray:=salaryvarray();
  c_salary customers.salary%type;
  i integer(2);
  counter number(2);
begin
  salary_array.extend;
  select count(*) into counter from customers;
  for i in 1..counter loop
    select salary into c_salary from customers where id =i;
    salary_array(i):=c_salary;
  end loop;
end;
/

declare
  type salaryvarray is varray(6) of customers.salary%type;
  salary_array salaryvarray:=salaryvarray();
  c_salary customers.salary%type;
  i integer(2);
  counter number(2);
begin
  select count(*) into counter from customers;
  for i in 1..counter loop
    salary_array.extend; -- Extend for each value.
    select salary into c_salary from customers where id =i;
    salary_array(i):=c_salary;
  end loop;
end;
/

您很可能很快会遇到类似的错误,但是,ORA-06532：下限超出限制.您将VARRAY限制为6个元素,但客户可能会有更多元素.考虑限制返回,扩展VARRAY或实现更动态的集合类型.

（编辑：李大同）

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