Christian8491 commented on a change in pull request #10896:
URL: https://github.com/apache/arrow/pull/10896#discussion_r686355736
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File path: cpp/src/arrow/compute/kernels/scalar_validity.cc
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@@ -76,11 +79,32 @@ struct IsInfOperator {
struct IsNullOperator {
static Status Call(KernelContext* ctx, const Scalar& in, Scalar* out) {
- checked_cast<BooleanScalar*>(out)->value = !in.is_valid;
+ auto options = OptionsWrapper<NanNullOptions>::Get(ctx);
+ bool* out_value = &checked_cast<BooleanScalar*>(out)->value;
+ if (in.is_valid) {
+ switch (in.type->id()) {
+ case Type::FLOAT:
+ *out_value = options.nan_is_null &&
+ std::isnan(internal::UnboxScalar<FloatType>::Unbox(in));
+ break;
+ case Type::DOUBLE:
+ *out_value = options.nan_is_null &&
+
std::isnan(internal::UnboxScalar<DoubleType>::Unbox(in));
+ break;
+ default:
+ *out_value = false;
+ }
+ } else {
+ *out_value = true;
+ }
+
return Status::OK();
}
static Status Call(KernelContext* ctx, const ArrayData& arr, ArrayData* out)
{
+ // TODO: Is `options` needed for detect nulls? Which is the better way to
+ // handle is_null for ArrayData
+ auto options = OptionsWrapper<NanNullOptions>::Get(ctx);
Review comment:
I have pushed f404910 which contains the ArrayData validity for nulls
(not sure if it's the best way to do).
There is a way to test those changes in R ? As the ticket is also related to
R language.
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