pitrou commented on code in PR #46532: URL: https://github.com/apache/arrow/pull/46532#discussion_r2108613550
########## cpp/src/parquet/arrow/reader.cc: ########## @@ -451,8 +452,17 @@ class LeafReader : public ColumnReaderImpl { field_(std::move(field)), input_(std::move(input)), descr_(input_->descr()) { + const auto type_id = field_->type()->id(); + // If binary-like, RecordReader is able to read directly as the concrete type + // so as to avoid offset limitations. + std::shared_ptr<DataType> type_for_reading = Review Comment: It sounds a bit pointless. Is the `LeafReader` constructor performance-critical? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org