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Redundant ELSE NULL clause

Reports redundant ELSE NULL clauses.

Example (MySQL):

SELECT CASE WHEN 2 > 1 THEN 'OK' ELSE NULL END AS alias FROM foo;

The ELSE NULL part will never be executed and may be omitted.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

SqlRedundantElseNull
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | SQL

Last modified: 11 September 2024