27 lines
436 B
Plaintext
27 lines
436 B
Plaintext
The requirement for a final ``++ELSE++`` clause is defensive programming. The ``++CASE++`` expression should always provide a value.
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== Noncompliant Code Example
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----
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SELECT
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CASE category
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WHEN 'A' THEN 21
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WHEN 'B' THEN 33
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END shipping_cost
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FROM product
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----
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== Compliant Solution
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----
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SELECT
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CASE category
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WHEN 'A' THEN 21
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WHEN 'B' THEN 33
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ELSE 42
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END shipping_cost
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FROM product
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----
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include::../see.adoc[]
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