pitrou commented on a change in pull request #6744:
URL: https://github.com/apache/arrow/pull/6744#discussion_r413760214
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File path: cpp/src/parquet/file_reader.cc
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@@ -536,6 +577,14 @@ std::shared_ptr<RowGroupReader>
ParquetFileReader::RowGroup(int i) {
return contents_->GetRowGroup(i);
}
+void ParquetFileReader::PreBuffer(const std::vector<int>& row_groups,
+ const std::vector<int>& column_indices,
+ const ::arrow::io::CacheOptions& options) {
+ // Access private methods here
+ SerializedFile* file = static_cast<SerializedFile*>(contents_.get());
Review comment:
`checked_cast` here. Is it possible for `Contents` to be something else
than `SerializedFile`?
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