[GitHub] [arrow] jp0317 commented on a diff in pull request #36192: PARQUET-2316:[C++]: Allow partial prebuffer in parquet FileReader

["jp0317 (via GitHub)" <gi...@apache.org>]

jp0317 commented on code in PR #36192:
URL: https://github.com/apache/arrow/pull/36192#discussion_r1236249409


##########
cpp/src/parquet/file_reader.cc:
##########
@@ -268,6 +272,7 @@ class SerializedRowGroup : public RowGroupReader::Contents {
   std::unique_ptr<RowGroupMetaData> row_group_metadata_;
   ReaderProperties properties_;
   int row_group_ordinal_;
+  std::unordered_set<int>& prebuffered_column_chunks_;

Review Comment:
   thanks for the review. Changed as suggested.



##########
cpp/src/parquet/file_reader.cc:
##########
@@ -178,13 +179,15 @@ class SerializedRowGroup : public RowGroupReader::Contents {
                      std::shared_ptr<::arrow::io::internal::ReadRangeCache> cached_source,
                      int64_t source_size, FileMetaData* file_metadata,
                      int row_group_number, const ReaderProperties& props,
+                     std::unordered_set<int>& prebuffered_column_chunks,

Review Comment:
   done



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