xanderbailey commented on code in PR #2584:
URL: https://github.com/apache/iceberg-rust/pull/2584#discussion_r3415007751
##########
crates/iceberg/src/arrow/reader/pipeline.rs:
##########
@@ -431,14 +437,44 @@ impl ArrowReader {
)
.with_parquet_read_options(parquet_read_options);
- let arrow_metadata = ArrowReaderMetadata::load_async(&mut reader,
Default::default())
+ let arrow_reader_options =
Self::build_arrow_reader_options(key_metadata)?;
+
+ let arrow_metadata = ArrowReaderMetadata::load_async(&mut reader,
arrow_reader_options)
.await
.map_err(|e| {
Error::new(ErrorKind::Unexpected, "Failed to load Parquet
metadata").with_source(e)
})?;
Ok((reader, arrow_metadata))
}
+
+ /// Builds `ArrowReaderOptions`, adding `FileDecryptionProperties` when
+ /// key metadata is present for Parquet Modular Encryption.
+ fn build_arrow_reader_options(key_metadata: Option<&[u8]>) ->
Result<ArrowReaderOptions> {
+ match key_metadata {
+ Some(km) => {
+ let standard_key_metadata = StandardKeyMetadata::decode(km)?;
+ let mut builder = FileDecryptionProperties::builder(
+ standard_key_metadata.encryption_key().as_bytes().to_vec(),
Review Comment:
[a1cda69](https://github.com/apache/iceberg-rust/pull/2584/commits/a1cda69eb66ebbe9dc42228808587cd888b0fd8f)
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