16f6c0aecf
Inline adoc files when they are included exactly once. Also fix language tags because this inlining gives us better information on what language the code is written in.
52 lines
1.1 KiB
Plaintext
52 lines
1.1 KiB
Plaintext
== Why is this an issue?
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Since the purpose of the ``++EXECUTE IMMEDIATE++`` statement is to execute dynamic SQL queries - which by definition can contain unexpected errors - properly handling exceptions becomes critical. Therefore, care should be taken to trap all possible exceptions.
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=== Noncompliant code example
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[source,sql]
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----
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DECLARE
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result VARCHAR2(42);
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column VARCHAR2(42);
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BEGIN
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column := 'DUMMY_2';
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EXECUTE IMMEDIATE 'SELECT ' || column || ' FROM DUAL' INTO result; -- Non-Compliant
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END;
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/
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----
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=== Compliant solution
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[source,sql]
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----
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SET SERVEROUTPUT ON
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DECLARE
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result VARCHAR2(42);
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column VARCHAR2(42);
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BEGIN
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column := 'DUMMY_2';
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EXECUTE IMMEDIATE 'SELECT ' || column || ' FROM DUAL' INTO result; -- Compliant
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EXCEPTION
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WHEN OTHERS THEN
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DBMS_OUTPUT.PUT_LINE ('Execute immediate error: ' || DBMS_UTILITY.FORMAT_ERROR_STACK);
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END;
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/
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----
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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=== Message
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Add an exception trap to this execution.
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endif::env-github,rspecator-view[]
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