problem with the order of statements

Hello

I know that, in the declaration section, the cursor should be at the top of the statement and only then I can declare the internal procedures, functions etc.
But what happens if in this slider, I need the result of the internal function said after the cursor? The cursor does not see this feature because is declared after.
How do I write this slider, is it possible?

Thank you!

The SQL engine is aware of the standalone procedures and functions as well as public packet methods. He is not aware of the private methods in a package or nested procedures & functions. The PL/SQL engine always runs all PL/SQL blocks, it's just a question of which blocks exposes it PL/SQL in SQL engine.

If you need to call a nested function or a private function declared in your package, it is normally relatively simple just call the function in an iteration on the cursor rather than in the cursor declaration itself, i.e.

declare
  l_dname dept.dname%type;
  cursor employees is
    select *
      from emp;
  function get_dname( p_deptno in number )
    return varchar2
  is
    l_dname dept.dname%type;
  begin
    select dname
      into l_dname
      from dept
    where deptno = p_deptno;
    return l_dname;
  end;
begin
  for i in employees
  loop
    l_dname := get_dname( i.deptno );
  end loop;
end;
/

rather than trying to call the GET_DNAME procedure in the context of the cursor EMPLOYEES.

Justin

Tags: Database

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