wesm commented on a change in pull request #7461:
URL: https://github.com/apache/arrow/pull/7461#discussion_r441902495
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File path: cpp/src/arrow/compute/kernels/codegen_internal.h
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@@ -485,18 +502,44 @@ struct ScalarUnaryNotNullStateful {
struct ArrayExec<Type, enable_if_base_binary<Type>> {
static void Exec(const ThisType& functor, KernelContext* ctx, const
ExecBatch& batch,
Datum* out) {
- typename TypeTraits<Type>::BuilderType builder;
- VisitArrayValuesInline<Arg0Type>(*batch[0].array(),
[&](util::optional<ARG0> v) {
- if (v.has_value()) {
- KERNEL_RETURN_IF_ERROR(ctx, builder.Append(functor.op.Call(ctx,
*v)));
- } else {
- KERNEL_RETURN_IF_ERROR(ctx, builder.AppendNull());
+ // TODO: This code path is currently inadequately tested.
+
+ using offset_type = typename Type::offset_type;
Review comment:
I'm reverting this change since no kernel uses it and adding a comment
explaining that it is suboptimal.
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