jp0317 commented on code in PR #36510:
URL: https://github.com/apache/arrow/pull/36510#discussion_r1257353049
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cpp/src/parquet/file_reader.h:
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@@ -189,6 +190,9 @@ class PARQUET_EXPORT ParquetFileReader {
::arrow::Future<> WhenBuffered(const std::vector<int>& row_groups,
const std::vector<int>& column_indices) const;
+ /// Return the range of the specified column chunk.
+ ::arrow::io::ReadRange GetColumnChunkRange(int row_group_index, int
column_index);
Review Comment:
yes, it's just exposing the internal `ComputeColumnChunkRange` to users such
that they can know the actual column chunks size.
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