marin-ma commented on code in PR #7861:
URL: https://github.com/apache/incubator-gluten/pull/7861#discussion_r1845840846
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cpp/core/shuffle/Utils.h:
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@@ -72,4 +72,34 @@ arrow::Result<std::shared_ptr<arrow::RecordBatch>>
makeUncompressedRecordBatch(
std::shared_ptr<arrow::Buffer> zeroLengthNullBuffer();
+class MmapFileStream : public arrow::io::InputStream {
Review Comment:
Could you please add some comments to explain the usage/functionality for
this class?
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