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.
68 lines
1.0 KiB
Plaintext
68 lines
1.0 KiB
Plaintext
== Why is this an issue?
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As soon as a ``++WHEN++`` clause contains too much logic this highly decreases the readability of the overall expression. In such case, the content of the ``++WHEN++`` clause may be extracted into a dedicated function.
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=== Noncompliant code example
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With a threshold of 5:
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[source,sql]
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----
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SELECT CASE column1
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WHEN 1 THEN
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CASE column2
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WHEN 'a' THEN -- Noncompliant, 7 lines till ELSE
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'x'
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ELSE
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'y'
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END
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ELSE
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42
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END
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FROM table1;
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----
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=== Compliant solution
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[source,sql]
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----
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SELECT CASE
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WHEN column1 = 1 AND column2 = 'a' THEN
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'x'
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WHEN column1 = 1 THEN
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'y'
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ELSE
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42
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END
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FROM table1;
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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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include::../message.adoc[]
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=== Parameters
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.max
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****
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_Integer_
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----
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10
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----
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Maximum number of lines of code
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****
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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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