Code Inspection: Constant expression
Reports conditions and expressions that are always true, false or null.
CREATE TABLE t1 (a TEXT, b INT, c BOOLEAN); SELECT a FROM t1 WHERE 'Cat' = 'Cat'; SELECT a FROM t1 WHERE 'Cat' = null;
'Cat' = 'Cat' is always true and will be reported.
'Cat' = null is always null and will be reported.
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Last modified: 13 May 2022