fatemehp commented on code in PR #14545:
URL: https://github.com/apache/arrow/pull/14545#discussion_r1009855139
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cpp/src/parquet/column_reader.cc:
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@@ -1141,12 +1146,14 @@ int64_t TypedColumnReaderImpl<DType>::ReadBatchSpaced(
template <typename DType>
int64_t TypedColumnReaderImpl<DType>::Skip(int64_t num_values_to_skip) {
int64_t values_to_skip = num_values_to_skip;
- while (HasNext() && values_to_skip > 0) {
+ // Optimization: Do not call HasNext() when values_to_skip == 0.
+ while (values_to_skip > 0 && HasNext()) {
Review Comment:
No, this line is the main change. Sorry I should have separated the
refactoring from this change.
if (values_to_skip >= available_values) {
Change > to >=
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