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.
61 lines
1.1 KiB
Plaintext
61 lines
1.1 KiB
Plaintext
== Why is this an issue?
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Explicit variable initializations with null values are superfluous, since unassigned variables are implicitly initialized to null.
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=== Noncompliant code example
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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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foo PLS_INTEGER := NULL; -- Noncompliant, the null assignation is superfluous
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bar VARCHAR2(100) := ''; -- Noncompliant, the null assignation is superfluous
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correctInitializedString VARCHAR2(100) := 'Hello world!';
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BEGIN
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IF foo IS NULL THEN
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DBMS_OUTPUT.PUT_LINE('foo is NULL');
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ELSE
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DBMS_OUTPUT.PUT_LINE('foo is NOT NULL');
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END IF;
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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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foo PLS_INTEGER;
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bar VARCHAR2(100);
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correctInitializedString VARCHAR2(100) := 'Hello world!';
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BEGIN
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IF foo IS NULL THEN
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DBMS_OUTPUT.PUT_LINE('foo is NULL');
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ELSE
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DBMS_OUTPUT.PUT_LINE('foo is NOT NULL');
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END IF;
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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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Remove this "NULL" initialization.
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endif::env-github,rspecator-view[]
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