61 lines
1.1 KiB
Plaintext
61 lines
1.1 KiB
Plaintext
== Why is this an issue?
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Trying to assign a large character value to a smaller variable or column will raise an error.
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=== Noncompliant code example
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[source,sql]
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----
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create table persons (id number, name varchar2(4));
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insert into persons (id, name) values (1, 'Alice'); -- Noncompliant, raises ORA-12899
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create or replace procedure sp1
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is
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foo varchar2(2);
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begin
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select name into foo from persons where id = 1; -- Noncompliant, may raise ORA-06502
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end;
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----
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=== Compliant solution
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[source,sql]
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----
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create table persons (id number, name varchar2(8));
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insert into persons (id, name) values (1, 'Alice');
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create or replace procedure sp1
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is
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foo varchar2(8);
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begin
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select name into foo from persons where id = 1;
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end;
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----
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== Resources
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* CWE - https://cwe.mitre.org/data/definitions/704[CWE-704 - Incorrect Type Conversion or Cast]
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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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include::../message.adoc[]
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include::../parameters.adoc[]
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include::../highlighting.adoc[]
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'''
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== Comments And Links
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(visible only on this page)
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include::../comments-and-links.adoc[]
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endif::env-github,rspecator-view[]
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