diegoQuinas commented on code in PR #21710:
URL: https://github.com/apache/datafusion/pull/21710#discussion_r3197923209
##########
datafusion/spark/src/function/math/ceil.rs:
##########
@@ -168,137 +336,18 @@ fn spark_ceil_array(input: &Arc<dyn
arrow::array::Array>) -> Result<ColumnarValu
Ok(ColumnarValue::Array(result))
}
-#[cfg(test)]
-mod tests {
- use super::*;
- use arrow::array::{Decimal128Array, Float32Array, Float64Array,
Int64Array};
- use datafusion_common::ScalarValue;
-
- #[test]
- fn test_ceil_float64() {
- let input = Float64Array::from(vec![
- Some(125.2345),
- Some(15.0001),
- Some(0.1),
- Some(-0.9),
- Some(-1.1),
- Some(123.0),
- None,
- ]);
- let args = vec![ColumnarValue::Array(Arc::new(input))];
- let result = spark_ceil(&args).unwrap();
- let result = match result {
- ColumnarValue::Array(arr) => arr,
- _ => panic!("Expected array"),
- };
- let result = result.as_primitive::<Int64Type>();
- assert_eq!(
- result,
- &Int64Array::from(vec![
- Some(126),
- Some(16),
- Some(1),
- Some(0),
- Some(-1),
- Some(123),
- None,
- ])
- );
- }
-
- #[test]
- fn test_ceil_float32() {
- let input = Float32Array::from(vec![
- Some(125.2345f32),
- Some(15.0001f32),
- Some(0.1f32),
- Some(-0.9f32),
- Some(-1.1f32),
- Some(123.0f32),
- None,
- ]);
- let args = vec![ColumnarValue::Array(Arc::new(input))];
- let result = spark_ceil(&args).unwrap();
- let result = match result {
- ColumnarValue::Array(arr) => arr,
- _ => panic!("Expected array"),
- };
- let result = result.as_primitive::<Int64Type>();
- assert_eq!(
- result,
- &Int64Array::from(vec![
- Some(126),
- Some(16),
- Some(1),
- Some(0),
- Some(-1),
- Some(123),
- None,
- ])
- );
- }
-
- #[test]
- fn test_ceil_int64() {
- let input = Int64Array::from(vec![Some(1), Some(-1), None]);
- let args = vec![ColumnarValue::Array(Arc::new(input))];
- let result = spark_ceil(&args).unwrap();
- let result = match result {
- ColumnarValue::Array(arr) => arr,
- _ => panic!("Expected array"),
- };
- let result = result.as_primitive::<Int64Type>();
- assert_eq!(result, &Int64Array::from(vec![Some(1), Some(-1), None]));
- }
-
- #[test]
- fn test_ceil_decimal128() {
- // Decimal128(10, 2): 150 = 1.50, -150 = -1.50, 100 = 1.00
- let return_type = DataType::Decimal128(9, 0);
- let input = Decimal128Array::from(vec![Some(150), Some(-150),
Some(100), None])
- .with_data_type(DataType::Decimal128(10, 2));
- let args = vec![ColumnarValue::Array(Arc::new(input))];
- let result = spark_ceil(&args).unwrap();
- let result = match result {
- ColumnarValue::Array(arr) => arr,
- _ => panic!("Expected array"),
- };
- let result = result.as_primitive::<Decimal128Type>();
- let expected = Decimal128Array::from(vec![Some(2), Some(-1), Some(1),
None])
- .with_data_type(return_type);
- assert_eq!(result, &expected);
- }
-
- #[test]
- fn test_ceil_float64_scalar() {
- let input = ScalarValue::Float64(Some(-1.1));
- let args = vec![ColumnarValue::Scalar(input)];
- let result = match spark_ceil(&args).unwrap() {
- ColumnarValue::Scalar(v) => v,
- _ => panic!("Expected scalar"),
- };
- assert_eq!(result, ScalarValue::Int64(Some(-1)));
- }
-
- #[test]
- fn test_ceil_float32_scalar() {
- let input = ScalarValue::Float32(Some(125.2345f32));
- let args = vec![ColumnarValue::Scalar(input)];
- let result = match spark_ceil(&args).unwrap() {
- ColumnarValue::Scalar(v) => v,
- _ => panic!("Expected scalar"),
- };
- assert_eq!(result, ScalarValue::Int64(Some(126)));
- }
-
- #[test]
- fn test_ceil_int64_scalar() {
- let input = ScalarValue::Int64(Some(48));
- let args = vec![ColumnarValue::Scalar(input)];
- let result = match spark_ceil(&args).unwrap() {
- ColumnarValue::Scalar(v) => v,
- _ => panic!("Expected scalar"),
- };
- assert_eq!(result, ScalarValue::Int64(Some(48)));
+fn ceil_float<T: num_traits::Float>(value: T, scale: i32) -> T {
+ if scale >= 0 {
+ let factor = T::from(10.0f64.powi(scale)).unwrap_or_else(T::infinity);
+ if factor.is_infinite() {
+ return value;
+ }
+ (value * factor).ceil() / factor
+ } else {
+ let factor = T::from(10.0f64.powi(-scale)).unwrap_or_else(T::infinity);
Review Comment:
Perfect. You're right.
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