Oracle 如何检测PL/SQL中发生错误的位置

SQL> create or replace procedure p is
  2    x int;
  3  begin
  4    -- this one will work
  5    select 1 into x from dual;
  6
  7    -- this one will work
  8    select 1 into x from dual;
  9
 10    -- this one will FAIL
 11    select 1 into x from dual where 1=0;     <======LINE 11
 12
 13    -- this one will work
 14    select 1 into x from dual;
 15
 16    -- this one will work
 17    select 1 into x from dual;
 18
 19  end;
 20  /

Procedure created.

SQL>
SQL>
SQL> exec p
BEGIN p; END;

*
ERROR at line 1:
ORA-01403: no data found
ORA-06512: at "MCDONAC.P", line 11       <======LINE 11
ORA-06512: at line 1