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This commit is contained in:
Kim Seon Woo
2024-08-20 18:44:06 +02:00
parent 8bb2a48cb6
commit 8f617dd394
1 changed files with 37 additions and 11 deletions
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48
core/vdbe/mod.rs
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@@ -1724,10 +1724,7 @@ fn exec_minmax<'a>(
regs.into_iter().reduce(|a, b| op(a, b)).cloned()
}
fn exec_nullif(
first_value: &OwnedValue,
second_value: &OwnedValue,
) -> OwnedValue {
fn exec_nullif(first_value: &OwnedValue, second_value: &OwnedValue) -> OwnedValue {
if first_value != second_value {
first_value.clone()
} else {
@@ -1883,7 +1880,12 @@ fn exec_if(reg: &OwnedValue, null_reg: &OwnedValue, not: bool) -> bool {
#[cfg(test)]
mod tests {
use super::{exec_abs, exec_char, exec_if, exec_length, exec_like, exec_lower, exec_ltrim, exec_minmax, exec_nullif, exec_quote, exec_random, exec_round, exec_rtrim, exec_substring, exec_trim, exec_unicode, exec_upper, get_new_rowid, Cursor, CursorResult, LimboError, OwnedRecord, OwnedValue, Result};
use super::{
exec_abs, exec_char, exec_if, exec_length, exec_like, exec_lower, exec_ltrim, exec_minmax,
exec_nullif, exec_quote, exec_random, exec_round, exec_rtrim, exec_substring, exec_trim,
exec_unicode, exec_upper, get_new_rowid, Cursor, CursorResult, LimboError, OwnedRecord,
OwnedValue, Result,
};
use mockall::{mock, predicate};
use rand::{rngs::mock::StepRng, thread_rng};
use std::{cell::Ref, rc::Rc};
@@ -2313,13 +2315,37 @@ mod tests {
#[test]
fn test_nullif() {
assert_eq!(exec_nullif(&OwnedValue::Integer(1), &OwnedValue::Integer(1)), OwnedValue::Null);
assert_eq!(exec_nullif(&OwnedValue::Float(1.1), &OwnedValue::Float(1.1)), OwnedValue::Null);
assert_eq!(exec_nullif(&OwnedValue::Text(Rc::new("limbo".to_string())), &OwnedValue::Text(Rc::new("limbo".to_string()))), OwnedValue::Null);
assert_eq!(
exec_nullif(&OwnedValue::Integer(1), &OwnedValue::Integer(1)),
OwnedValue::Null
);
assert_eq!(
exec_nullif(&OwnedValue::Float(1.1), &OwnedValue::Float(1.1)),
OwnedValue::Null
);
assert_eq!(
exec_nullif(
&OwnedValue::Text(Rc::new("limbo".to_string())),
&OwnedValue::Text(Rc::new("limbo".to_string()))
),
OwnedValue::Null
);
assert_eq!(exec_nullif(&OwnedValue::Integer(1), &OwnedValue::Integer(2)), OwnedValue::Integer(1));
assert_eq!(exec_nullif(&OwnedValue::Float(1.1), &OwnedValue::Float(1.2)), OwnedValue::Float(1.1));
assert_eq!(exec_nullif(&OwnedValue::Text(Rc::new("limbo".to_string())), &OwnedValue::Text(Rc::new("limb".to_string()))), OwnedValue::Text(Rc::new("limbo".to_string())));
assert_eq!(
exec_nullif(&OwnedValue::Integer(1), &OwnedValue::Integer(2)),
OwnedValue::Integer(1)
);
assert_eq!(
exec_nullif(&OwnedValue::Float(1.1), &OwnedValue::Float(1.2)),
OwnedValue::Float(1.1)
);
assert_eq!(
exec_nullif(
&OwnedValue::Text(Rc::new("limbo".to_string())),
&OwnedValue::Text(Rc::new("limb".to_string()))
),
OwnedValue::Text(Rc::new("limbo".to_string()))
);
}
#[test]