42 lines
685 B
Plaintext
42 lines
685 B
Plaintext
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include::../description.adoc[]
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== Noncompliant Code Example
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----
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SET SERVEROUTPUT ON
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DECLARE
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foo VARCHAR2(42) := 'foo';
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BEGIN
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DECLARE
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foo VARCHAR2(42) := 'bar'; -- Noncompliant - this variable hides the one above and should be renamed
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BEGIN
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DBMS_OUTPUT.PUT_LINE(foo); -- Displays "bar", which is confusing
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END;
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DBMS_OUTPUT.PUT_LINE(foo); -- Displays "foo"
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END;
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/
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----
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== Compliant Solution
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----
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SET SERVEROUTPUT ON
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DECLARE
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foo VARCHAR2(42) := 'foo';
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BEGIN
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DECLARE
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bar VARCHAR2(42) := 'bar'; -- Compliant
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BEGIN
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DBMS_OUTPUT.PUT_LINE(bar); -- Displays "bar"
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END;
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DBMS_OUTPUT.PUT_LINE(foo); -- Displays "foo"
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END;
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/
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----
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include::../see.adoc[]
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