SA0038 : The comparison expression evaluates to TRUE | ![]() |
The topic describes the SA0038 analysis rule.
The comparison expression evaluates to TRUE
The rule checks for comparison expressions which will always evaluate to TRUE.
The rule has a Batch scope and is applied only on the SQL script.
Rule has no parameters.
The rule does not need Analysis Context or SQL Connection.
Design Rules
There is no additional info for this rule.
1-- Comparison will always evaluate to TRUE. 2-- ***************************************** 3 4SELECT * FROM sys.objects o 5WHERE 61 = 1 AND 70 != 1 AND 82 > 1 AND 92>=2 AND 102>=1 AND 112>=2.0 AND 122>=1.0 AND 13object_id = [object_id] AND 14o.object_id = o.[object_id] AND 15'ab' = N'ab' AND 16'ab' > N'a' AND 17'ab' >= N'a' AND 18'ab' != N'a' AND 19'ab' = 'ab' AND 20'ab' > 'a' AND 21'ab' >= 'a' AND 22'ab' != 'a' AND 23name = name AND 24[name] = [name] AND 25o.[name] = [o].[name] AND 26--name >= name AND 27name IN (name,'aaa','bbb') AND 28'a' IN ('a','b','c','d') AND 291 IN (2,4,3,1) AND 301 NOT IN (2,4,3) AND 311 NOT IN (2,4,3-2) AND 32name LIKE name AND 33Exists (SELECT 0) 34-- AND dbo.myFunction(a) = dbo.myFunction(a) -- Only if deterministic function 35 36SELECT * FROM sys.objects 37WHERE 38object_id = [object_id] OR 39sys.objects.object_id = sys.objects.[object_id] 40 41SELECT * FROM sys.objects WHERE Exists (SELECT 0 WHERE 1 = 0) 42SELECT * FROM sys.objects WHERE NOT Exists (SELECT 0 WHERE 1 = 1)
Message | Line | Column | |
---|---|---|---|
1 | SA0038 : The comparison expression evaluates to TRUE. | 27 | 5 |
2 | SA0038 : The comparison expression evaluates to TRUE. | 28 | 4 |
3 | SA0038 : The comparison expression evaluates to TRUE. | 29 | 2 |
4 | SA0038 : The comparison expression evaluates to TRUE. | 30 | 6 |
5 | SA0038 : The comparison expression evaluates to TRUE. | 32 | 5 |
6 | SA0038 : The comparison expression evaluates to TRUE. | 33 | 0 |
7 | SA0038 : The comparison expression evaluates to TRUE. | 6 | 2 |
8 | SA0038 : The comparison expression evaluates to TRUE. | 7 | 2 |
9 | SA0038 : The comparison expression evaluates to TRUE. | 8 | 2 |
10 | SA0038 : The comparison expression evaluates to TRUE. | 9 | 1 |
... | |||
28 | SA0038 : The comparison expression evaluates to TRUE. | 39 | 22 |
29 | SA0038 : The comparison expression evaluates to TRUE. | 42 | 61 |
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