viirya commented on code in PR #1983:
URL: https://github.com/apache/arrow-rs/pull/1983#discussion_r916221216
##########
arrow/src/compute/kernels/arithmetic.rs:
##########
@@ -671,6 +741,28 @@ where
math_dict_op!(left, right, op, PrimitiveArray<T>)
}
+/// Helper function for operations where a valid `0` on the right array should
+/// result in an [ArrowError::DivideByZero], namely the division and modulo
operations
+///
+/// # Errors
+///
+/// This function errors if:
+/// * the arrays have different lengths
+/// * there is an element where both left and right values are valid and the
right value is `0`
+fn math_divide_checked_op_dict<K, T, F>(
+ left: &DictionaryArray<K>,
+ right: &DictionaryArray<K>,
+ op: F,
+) -> Result<PrimitiveArray<T>>
+where
+ K: ArrowNumericType,
+ T: ArrowNumericType,
+ T::Native: One + Zero,
+ F: Fn(T::Native, T::Native) -> T::Native,
+{
+ math_dict_divide_checked_op!(left, right, op, PrimitiveArray<T>)
Review Comment:
okay, inlined it.
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