tustvold commented on code in PR #2774:
URL: https://github.com/apache/arrow-rs/pull/2774#discussion_r978711220
##########
parquet/src/arrow/arrow_reader/mod.rs:
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@@ -82,15 +84,17 @@ impl<T> ArrowReaderBuilder<T> {
false => metadata.file_metadata().key_value_metadata(),
};
- let schema = Arc::new(parquet_to_arrow_schema(
+ let (schema, fields) = parquet_to_array_schema_and_fields(
Review Comment:
Here we can see that we perform the inference logic once, and keep the
ParquetField around to later project
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