pitrou commented on code in PR #39127:
URL: https://github.com/apache/arrow/pull/39127#discussion_r1421410887
##########
cpp/src/arrow/array/builder_binary.cc:
##########
@@ -80,10 +80,11 @@ Status BinaryViewBuilder::AppendArraySlice(const ArraySpan&
array, int64_t offse
Status BinaryViewBuilder::FinishInternal(std::shared_ptr<ArrayData>* out) {
ARROW_ASSIGN_OR_RAISE(auto null_bitmap,
null_bitmap_builder_.FinishWithLength(length_));
ARROW_ASSIGN_OR_RAISE(auto data, data_builder_.FinishWithLength(length_));
- BufferVector buffers = {null_bitmap, data};
- for (auto&& buffer : data_heap_builder_.Finish()) {
- buffers.push_back(std::move(buffer));
- }
+ ARROW_ASSIGN_OR_RAISE(auto byte_buffers, data_heap_builder_.Finish());
+ BufferVector buffers(byte_buffers.size() + 2);
+ buffers[0] = std::move(null_bitmap);
+ buffers[1] = std::move(data);
+ std::move(byte_buffers.begin(), byte_buffers.end(), byte_buffers.begin() +
2);
Review Comment:
```suggestion
std::move(byte_buffers.begin(), byte_buffers.end(), buffers.begin() + 2);
```
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