Skip to content

fix error result in execute&pre_selection #16930

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 7 commits into from
Aug 4, 2025
Merged

fix error result in execute&pre_selection #16930

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
faa5c61
fix error result in execute&pre_selection
acking-you Jul 27, 2025
bb6e397
fix clippy
acking-you Jul 27, 2025
d06bc59
Merge branch 'main' into fix_error_result_in_pre_selection
acking-you Aug 2, 2025
9f24c05
Optimize implementation
acking-you Aug 2, 2025
bea2ee7
more efficiency impl
acking-you Aug 3, 2025
eded26c
Merge branch 'main' into fix_error_result_in_pre_selection
acking-you Aug 3, 2025
c198d4e
fix CI
acking-you Aug 3, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions datafusion/physical-expr-common/src/physical_expr.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,9 @@ pub trait PhysicalExpr: Send + Sync + Display + Debug + DynEq + DynHash {
Ok(tmp_result)
} else if let ColumnarValue::Array(a) = tmp_result {
scatter(selection, a.as_ref()).map(ColumnarValue::Array)
} else if let ColumnarValue::Scalar(ScalarValue::Boolean(v)) = &tmp_result {
let a = BooleanArray::from(vec![*v; tmp_batch.num_rows()]);
scatter(selection, &a).map(ColumnarValue::Array)
} else {
Ok(tmp_result)
}
Expand Down
81 changes: 48 additions & 33 deletions datafusion/physical-expr/src/expressions/binary.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,19 @@ impl PhysicalExpr for BinaryExpr {
// as it takes into account cases where the selection contains null values.
let batch = filter_record_batch(batch, selection)?;
let right_ret = self.right.evaluate(&batch)?;
return pre_selection_scatter(selection, right_ret);
match &right_ret {
ColumnarValue::Array(array) => {
return pre_selection_scatter(selection, array.as_boolean());
}
ColumnarValue::Scalar(scalar) => {
if let ScalarValue::Boolean(v) = scalar {
let array = BooleanArray::from(vec![*v; batch.num_rows()]);
return pre_selection_scatter(selection, &array);
} else {
return Ok(right_ret);
}
}
}
}
}

Expand Down Expand Up @@ -974,13 +986,8 @@ fn check_short_circuit<'a>(
/// However, this is difficult to achieve under the immutable constraints of [`Arc`] and [`BooleanArray`].
fn pre_selection_scatter(
left_result: &BooleanArray,
right_result: ColumnarValue,
right_result: &BooleanArray,
) -> Result<ColumnarValue> {
let right_boolean_array = match &right_result {
ColumnarValue::Array(array) => array.as_boolean(),
ColumnarValue::Scalar(_) => return Ok(right_result),
};

let result_len = left_result.len();

let mut result_array_builder = BooleanArray::builder(result_len);
Expand All @@ -998,7 +1005,7 @@ fn pre_selection_scatter(

// copy values from right array for this slice
let len = end - start;
right_boolean_array
right_result
.slice(right_array_pos, len)
.iter()
.for_each(|v| result_array_builder.append_option(v));
Expand Down Expand Up @@ -5211,7 +5218,6 @@ mod tests {
/// 4. Test single true at first position
/// 5. Test single true at last position
/// 6. Test nulls in right array
/// 7. Test scalar right handling
#[test]
fn test_pre_selection_scatter() {
fn create_bool_array(bools: Vec<bool>) -> BooleanArray {
Expand All @@ -5222,11 +5228,9 @@ mod tests {
// Left: [T, F, T, F, T]
// Right: [F, T, F] (values for 3 true positions)
let left = create_bool_array(vec![true, false, true, false, true]);
let right = ColumnarValue::Array(Arc::new(create_bool_array(vec![
false, true, false,
])));
let right = create_bool_array(vec![false, true, false]);

let result = pre_selection_scatter(&left, right).unwrap();
let result = pre_selection_scatter(&left, &right).unwrap();
let result_arr = result.into_array(left.len()).unwrap();

let expected = create_bool_array(vec![false, false, true, false, false]);
Expand All @@ -5238,11 +5242,9 @@ mod tests {
// Right: [T, F, F, T, F]
let left =
create_bool_array(vec![false, true, true, false, true, true, true]);
let right = ColumnarValue::Array(Arc::new(create_bool_array(vec![
true, false, false, true, false,
])));
let right = create_bool_array(vec![true, false, false, true, false]);

let result = pre_selection_scatter(&left, right).unwrap();
let result = pre_selection_scatter(&left, &right).unwrap();
let result_arr = result.into_array(left.len()).unwrap();

let expected =
Expand All @@ -5254,9 +5256,9 @@ mod tests {
// Left: [T, F, F]
// Right: [F]
let left = create_bool_array(vec![true, false, false]);
let right = ColumnarValue::Array(Arc::new(create_bool_array(vec![false])));
let right = create_bool_array(vec![false]);

let result = pre_selection_scatter(&left, right).unwrap();
let result = pre_selection_scatter(&left, &right).unwrap();
let result_arr = result.into_array(left.len()).unwrap();

let expected = create_bool_array(vec![false, false, false]);
Expand All @@ -5267,9 +5269,9 @@ mod tests {
// Left: [F, F, T]
// Right: [F]
let left = create_bool_array(vec![false, false, true]);
let right = ColumnarValue::Array(Arc::new(create_bool_array(vec![false])));
let right = create_bool_array(vec![false]);

let result = pre_selection_scatter(&left, right).unwrap();
let result = pre_selection_scatter(&left, &right).unwrap();
let result_arr = result.into_array(left.len()).unwrap();

let expected = create_bool_array(vec![false, false, false]);
Expand All @@ -5280,10 +5282,9 @@ mod tests {
// Left: [F, T, F, T]
// Right: [None, Some(false)] (with null at first position)
let left = create_bool_array(vec![false, true, false, true]);
let right_arr = BooleanArray::from(vec![None, Some(false)]);
let right = ColumnarValue::Array(Arc::new(right_arr));
let right = BooleanArray::from(vec![None, Some(false)]);

let result = pre_selection_scatter(&left, right).unwrap();
let result = pre_selection_scatter(&left, &right).unwrap();
let result_arr = result.into_array(left.len()).unwrap();

let expected = BooleanArray::from(vec![
Expand All @@ -5294,16 +5295,30 @@ mod tests {
]);
assert_eq!(&expected, result_arr.as_boolean());
}
// Test scalar right handling
{
// Left: [T, F, T]
// Right: Scalar true
let left = create_bool_array(vec![true, false, true]);
let right = ColumnarValue::Scalar(ScalarValue::Boolean(Some(true)));
}

let result = pre_selection_scatter(&left, right).unwrap();
assert!(matches!(result, ColumnarValue::Scalar(_)));
}
#[test]
fn test_and_true_preselection_returns_lhs() {
let schema =
Arc::new(Schema::new(vec![Field::new("c", DataType::Boolean, false)]));
let c_array = Arc::new(BooleanArray::from(vec![false, true, false, false, false]))
as ArrayRef;
let batch = RecordBatch::try_new(Arc::clone(&schema), vec![Arc::clone(&c_array)])
.unwrap();

let expr = logical2physical(&logical_col("c").and(expr_lit(true)), &schema);

let result = expr.evaluate(&batch).unwrap();
let ColumnarValue::Array(result_arr) = result else {
panic!("Expected ColumnarValue::Array");
};

let expected: Vec<_> = c_array.as_boolean().iter().collect();
let actual: Vec<_> = result_arr.as_boolean().iter().collect();
assert_eq!(
expected, actual,
"AND with TRUE must equal LHS even with PreSelection"
);
}

#[test]
Expand Down
Loading