marsupialtail commented on code in PR #13799:
URL: https://github.com/apache/arrow/pull/13799#discussion_r938282471
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cpp/src/arrow/dataset/scanner.cc:
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@@ -843,6 +834,24 @@ Status ScannerBuilder::BatchSize(int64_t batch_size) {
return Status::OK();
}
+Status ScannerBuilder::BatchReadahead(int32_t batch_readahead) {
+ if (batch_readahead < 0) {
Review Comment:
Does this mean that you just won't read ahead?
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