icexelloss commented on code in PR #13880:
URL: https://github.com/apache/arrow/pull/13880#discussion_r954261977
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cpp/src/arrow/compute/exec/asof_join_node.cc:
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@@ -459,17 +642,58 @@ class CompositeReferenceTable {
if (!_ptr2ref.count((uintptr_t)ref.get())) _ptr2ref[(uintptr_t)ref.get()]
= ref;
}
- template <class Builder, class PrimitiveType>
- Result<std::shared_ptr<Array>> MaterializePrimitiveColumn(MemoryPool*
memory_pool,
- size_t i_table,
- col_index_t i_col)
{
- Builder builder(memory_pool);
+ // this should really be a method on ArrayData
+ static bool IsNull(const std::shared_ptr<ArrayData>& source, row_index_t
row) {
+ return ((source->buffers[0] != NULLPTR)
+ ? !bit_util::GetBit(source->buffers[0]->data(), row +
source->offset)
+ : source->null_count.load() == source->length);
+ }
+
+ template <typename T>
+ using is_fixed_width_type = std::is_base_of<FixedWidthType, T>;
+
+ template <typename T, typename R = void>
+ using enable_if_fixed_width_type =
enable_if_t<is_fixed_width_type<T>::value, R>;
+
+ template <class Type, class Builder = typename TypeTraits<Type>::BuilderType>
+ enable_if_fixed_width_type<Type, Status> static BuilderAppend(
+ Builder& builder, const std::shared_ptr<ArrayData>& source, row_index_t
row) {
+ if (IsNull(source, row)) {
+ builder.UnsafeAppendNull();
+ return Status::OK();
Review Comment:
When does this method return an Status other than "OK"?
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