lidavidm commented on code in PR #12967:
URL: https://github.com/apache/arrow/pull/12967#discussion_r856742557
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cpp/src/parquet/arrow/reader.cc:
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@@ -1113,15 +1146,19 @@ class RowGroupGenerator {
::arrow::internal::Executor* cpu_executor_;
std::vector<int> row_groups_;
std::vector<int> column_indices_;
+ int64_t min_rows_in_flight_;
+ std::queue<ReadRequest> in_flight_reads_;
+ int64_t rows_in_flight_;
size_t index_;
+ size_t readahead_index_;
};
::arrow::Result<::arrow::AsyncGenerator<std::shared_ptr<::arrow::RecordBatch>>>
FileReaderImpl::GetRecordBatchGenerator(std::shared_ptr<FileReader> reader,
const std::vector<int>
row_group_indices,
const std::vector<int> column_indices,
::arrow::internal::Executor*
cpu_executor,
- int batch_readahead) {
+ int rows_to_readahead) {
Review Comment:
Should we rename this in the header too?
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