zanmato1984 commented on code in PR #45498:
URL: https://github.com/apache/arrow/pull/45498#discussion_r1952504507
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cpp/src/arrow/csv/parser.cc:
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@@ -172,11 +172,17 @@ class ResizableValueDescWriter : public
ValueDescWriter<ResizableValueDescWriter
void PushValue(ParsedValueDesc v) {
if (ARROW_PREDICT_FALSE(values_size_ == values_capacity_)) {
- values_capacity_ = values_capacity_ * 2;
- status_ &= values_buffer_->Resize(values_capacity_ * sizeof(*values_));
- values_ =
reinterpret_cast<ParsedValueDesc*>(values_buffer_->mutable_data());
+ int64_t new_capacity = values_capacity_ * 2;
+ auto resize_status = values_buffer_->Resize(new_capacity *
sizeof(*values_));
+ if (resize_status.ok()) {
+ values_ =
reinterpret_cast<ParsedValueDesc*>(values_buffer_->mutable_data());
+ values_capacity_ = new_capacity;
+ }
+ status_ &= std::move(resize_status);
+ }
+ if (ARROW_PREDICT_TRUE(status_.ok())) {
Review Comment:
Why not the same approach as `PresizedValueDescWriter` as you mentioned
before? Less perf hurting?
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