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fuzz: sometimes add another condition on the same column to exercise index range queries

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Jussi Saurio
2025-10-09 12:34:12 +03:00
parent 4313f57ecb
commit a76cdb83c5
1 changed files with 21 additions and 4 deletions
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25
tests/integration/fuzz/mod.rs
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@@ -381,11 +381,28 @@ mod tests {
// Use a small limit to make the test complete faster
let limit = 5;
// Generate WHERE clause string
/// Generate a comparison string (e.g. x > 10 AND x < 20) or just x > 10.
fn generate_comparison(
operator: &str,
col_name: &str,
col_val: i32,
rng: &mut ChaCha8Rng,
) -> String {
if operator != "=" && rng.random_range(0..3) == 1 {
let val2 = rng.random_range(0..=3000);
let op2 = COMPARISONS[rng.random_range(0..COMPARISONS.len())];
format!("{col_name} {operator} {col_val} AND {col_name} {op2} {val2}")
} else {
format!("{col_name} {operator} {col_val}")
}
}
// Generate WHERE clause string.
// Sometimes add another inequality to the WHERE clause (e.g. x > 10 AND x < 20) to exercise range queries.
let where_clause_components = vec![
comp1.map(|x| format!("x {} {}", x, col_val_first.unwrap())),
comp2.map(|x| format!("y {} {}", x, col_val_second.unwrap())),
comp3.map(|x| format!("z {} {}", x, col_val_third.unwrap())),
comp1.map(|x| generate_comparison(x, "x", col_val_first.unwrap(), &mut rng)),
comp2.map(|x| generate_comparison(x, "y", col_val_second.unwrap(), &mut rng)),
comp3.map(|x| generate_comparison(x, "z", col_val_third.unwrap(), &mut rng)),
]
.into_iter()
.flatten()