marin-ma commented on code in PR #12592:
URL: https://github.com/apache/gluten/pull/12592#discussion_r4347212418
##########
cpp/velox/operators/reader/FileReaderIterator.h:
##########
@@ -46,4 +53,14 @@ class FileReaderIterator : public ColumnarBatchIterator {
std::string path_;
};
+// Replays an empty input marker as an input iterator that yields no batches.
+class EmptyInputMarkerIterator final : public FileReaderIterator {
+ public:
+ explicit EmptyInputMarkerIterator(const std::string& path) :
FileReaderIterator(path) {}
+
+ std::shared_ptr<ColumnarBatch> next() override {
+ return nullptr;
+ }
Review Comment:
@malinjawi Can you please address this comment?
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