40 lines
703 B
Plaintext
40 lines
703 B
Plaintext
|
include::../description.adoc[]
|
||
|
|
|
||
|
|
== Noncompliant Code Example
|
||
|
|
|
||
|
|
----
|
||
|
|
SET SERVEROUTPUT ON
|
||
|
|
|
||
|
|
DECLARE
|
||
|
|
d VARCHAR2(1);
|
||
|
|
BEGIN
|
||
|
|
SELECT dummy INTO d FROM DUAL WHERE dummy = 'Y'; -- Will raise NO_DATA_FOUND
|
||
|
|
DBMS_OUTPUT.PUT_LINE('d = ' || d);
|
||
|
|
EXCEPTION
|
||
|
|
WHEN NO_DATA_FOUND THEN -- Noncompliant, did we really want to mask this exception?
|
||
|
|
NULL;
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
----
|
||
|
|
|
||
|
|
== Compliant Solution
|
||
|
|
|
||
|
|
----
|
||
|
|
SET SERVEROUTPUT ON
|
||
|
|
|
||
|
|
DECLARE
|
||
|
|
d VARCHAR2(1);
|
||
|
|
BEGIN
|
||
|
|
SELECT dummy INTO d FROM DUAL WHERE dummy = 'Y'; -- Will raise NO_DATA_FOUND
|
||
|
|
DBMS_OUTPUT.PUT_LINE('d = ' || d);
|
||
|
|
EXCEPTION
|
||
|
|
WHEN NO_DATA_FOUND THEN
|
||
|
|
DBMS_OUTPUT.PUT_LINE('Error: No data found');
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
----
|
||
|
|
|
||
|
|
include::../exceptions.adoc[]
|
||
|
|
|
||
|
|
include::../see.adoc[]
|