behavior of unhandled exceptions and OUT variables. : Parameter OUT « Stored Procedure Function « Oracle PL / SQL






behavior of unhandled exceptions and OUT variables.

    
SQL>
SQL> CREATE OR REPLACE PROCEDURE RaiseError (
  2    p_Raise IN BOOLEAN,
  3    p_ParameterA OUT NUMBER) AS
  4  BEGIN
  5    p_ParameterA := 7;
  6
  7    IF p_Raise THEN
  8      RAISE DUP_VAL_ON_INDEX;
  9    ELSE
 10      RETURN;
 11    END IF;
 12  END RaiseError;
 13  /

Procedure created.

SQL>
SQL> set serveroutput on
SQL> DECLARE
  2    v_TempVar NUMBER := 1;
  3  BEGIN
  4    DBMS_OUTPUT.PUT_LINE('Initial value: ' || v_TempVar);
  5    RaiseError(FALSE, v_TempVar);
  6    DBMS_OUTPUT.PUT_LINE('Value after successful call: ' ||
  7                         v_TempVar);
  8
  9    v_TempVar := 2;
 10    DBMS_OUTPUT.PUT_LINE('Value before 2nd call: ' || v_TempVar);
 11    RaiseError(TRUE, v_TempVar);
 12  EXCEPTION
 13    WHEN OTHERS THEN
 14      DBMS_OUTPUT.PUT_LINE('Value after unsuccessful call: ' ||
 15                           v_TempVar);
 16  END;
 17  /
Initial value: 1
Value after successful call: 7
Value before 2nd call: 2
Value after unsuccessful call: 2

PL/SQL procedure successfully completed.

SQL>
SQL>

   
    
    
  








Related examples in the same category

1.Define 'out' parameters
2.Using out parameter
3.Use out parameter to get value out
4.Parameter Modes
5.Out with NOCOPY modifier.
6.Unhandled exceptions and OUT variables
7.Behavior of OUT variables and raised exceptions
8.Using Output Parameters
9.This procedure takes a single OUT. Out parameter is assignable
10.Out parameter is assignable