Update paths. Add notes on where encryption is needed.

Author: corwinjoy

Cargo.toml

@@ -91,6 +91,6 @@ arrow-row = { version = "54.0.0", path = "./arrow-row" }
 arrow-schema = { version = "54.0.0", path = "./arrow-schema" }
 arrow-select = { version = "54.0.0", path = "./arrow-select" }
 arrow-string = { version = "54.0.0", path = "./arrow-string" }
-parquet = { version = "54.0.0", path = "./parquet", default-features = false }
+parquet = { version = "54.0.0", path = "./parquet", default-features = true }
 
 chrono = { version = "0.4.34", default-features = false, features = ["clock"] }

parquet/src/arrow/async_reader/mod.rs

@@ -198,6 +198,9 @@ impl ArrowReaderMetadata {
     /// If `options` has [`ArrowReaderOptions::with_page_index`] true, but
     /// `Self::metadata` is missing the page index, this function will attempt
     /// to load the page index by making an object store request.
+
+    // load_async is what gets called by datafusion to read the metadata
+    // Rok, need your help here to add encryption.
     pub async fn load_async<T: AsyncFileReader>(
         input: &mut T,
         options: ArrowReaderOptions,

parquet/src/file/properties.rs

@@ -18,12 +18,12 @@
 //! Configuration via [`WriterProperties`] and [`ReaderProperties`]
 use crate::basic::{Compression, Encoding};
 use crate::compression::{CodecOptions, CodecOptionsBuilder};
-use crate::encryption::encryption::FileEncryptionProperties;
 use crate::file::metadata::KeyValue;
 use crate::format::SortingColumn;
 use crate::schema::types::ColumnPath;
 use std::str::FromStr;
 use std::{collections::HashMap, sync::Arc};
+use crate::encryption::encryption::FileEncryptionProperties;
 
 /// Default value for [`WriterProperties::data_page_size_limit`]
 pub const DEFAULT_PAGE_SIZE: usize = 1024 * 1024;