10 lines
527 B
Plaintext
10 lines
527 B
Plaintext
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A WHERE clause condition that uses NOT IN with a subquery will have unexpected results if that subquery returns NULL. On the other hand NOT EXISTS subqueries work reliably under the same conditions.
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This rule raises an issue when NOT IN is used with a subquery where the selected column is nullable.
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*Noteworthy*
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This rule raises issues only when a *Data Dictionary* is provided during the analysis. See https://docs.sonarqube.org/display/PLUG/Data+Dictionary
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include::../noncompliant.adoc[]
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include::../compliant.adoc[]
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